A film is formed by use of a composition containing (A) a binder resin, (B) a hard particle, and (C) a solid lubricant, wherein the hard particle contains metal tungsten particle with 0.5 to 10 micrometers of average particle size measured by laser diffraction scattering method.
C08K 3/30 - Sulfur-, selenium-, or tellurium-containing compounds
F16C 33/00 - Parts of bearings; Special methods for making bearings or parts thereof
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
A film is formed by use of a composition containing (A) a binder resin, (B) a hard particle, and (C) a solid lubricant selected from the group containing molybdenum disulfide and graphite, wherein the composition contains tungsten carbide as the hard particle, and wherein weight ratio of (B) the hard particles and (C) the solid lubricant, (B)/(C), is in the range of 1 to 3.
C04B 35/52 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite
C04B 35/56 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbides
C04B 35/58 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on borides, nitrides or silicides
C04B 35/626 - Preparing or treating the powders individually or as batches
C23C 20/08 - Coating with inorganic material, other than metallic material with compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
C10M 103/00 - Lubricating compositions characterised by the base-material being an inorganic material
C10M 107/24 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol, aldehydo, ketonic, ether, ketal or acetal radical
C10M 107/32 - Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
C10M 107/40 - Lubricating compositions characterised by the base-material being a macromolecular compound containing nitrogen
The present invention pertains to an adhesive film having a silicone adhesive layer on one or both surfaces of a substrate film, wherein a silicone adhesive material constituting the silicon adhesive layer has an elongation at break (at tension rate of 300 mm/min and temperature of 25°C) of 120-380% in accordance with JIS K 6251 and a shear storage elastic modulus (at frequency of 10 Hz and temperature of 25°C) of 1.8×105-4.5×105 Pa. The adhesive film according to the present invention has favorable wettability with respect to the surface of an adherend, is capable of easily sticking to a surface without drawing in air bubbles, is capable of, even if air bubbles are involved, causing those air bubbles to disappear easily, and normally does not peel easily but can be easily peeled with little peel force in high-speed peeling.
C09J 7/25 - Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
The present invention relates to a silicone pressure-sensitive adhesive composition containing: (A) a straight chain organopolysiloxane having at least 2 alkenyl groups in the molecule; (B) an organopolysiloxane having a siloxane unit represented by the formula R131/21/2 (in the formula, the R14/24/2; (C) at least one type of reactive diluent having one aliphatic unsaturated carbon-carbon bond in the molecule; (D) an organopolysiloxane having at least eight hydrogen atom-bonded siloxane units in the molecule; and (E) a hydrosilylation reaction catalyst. This silicone pressure-sensitive adhesive composition forms a pressure-sensitive adhesive layer which exhibits good adhesive properties and undergoes little change in adhesive strength over time.
C09J 4/06 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
The present disclosure relates to a light curable, light-heat or light-moisture dually curable, or light-heat-moisture multiple curable polyorganosiloxane composition, which has ease of synthesis, low volatile content, rapid curability, excellent toughness and/or superior optical/physical stability in a variety of fields such as coating materials, encapsulants, sealants and adhesives, a cured body obtained by curing said compositions, and an electronic device comprising the same.
C08L 83/14 - Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Compositions of derivatives of such polymers in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
H01L 23/29 - Encapsulation, e.g. encapsulating layers, coatings characterised by the material
6.
CURABLE SILICONE COMPOSITION AND OPTICAL SEMICONDUCTOR DEVICE
[Problem] To provide a curable silicone composition whereby an optical semiconductor device can be formed that has good efficiency of light extraction from a light-emitting element and a small rate of change, and an optical semiconductor device having good efficiency of light extraction from a light-emitting element and a small rate of change over time. [Solution] A curable silicone composition including at least: (A) an organopolysiloxane represented by an average composition formula and having at least two alkenyl groups in the molecule thereof; (B) an organopolysiloxane having at least two silicon-atom-bonded hydrogen atoms in the molecule thereof, at least 5 mol% of silicon-atom-bonded groups other than hydrogen atoms being aryl groups; (C) an organopolysiloxane represented by an average unit formula and having an alkenyl group, an aryl group, and an epoxy-containing organic group; and (D) a hydrosilylation catalyst.
[Problem] To provide: a curable organopolysiloxane composition having rheological properties suitable for precision coating and fine pattern formation by a fine droplet coating device such as a jet dispenser; and a pattern forming method using the same. [Solution] Provided are a curable organopolysiloxane composition, and a pattern forming method using the same, the curable organopolysiloxane composition being characterized in that said composition preferably has a hydrosilylation reaction curing property, is precisely coated by a jet dispenser or the like, and has a viscosity at a strain rate of 1,000 (1/s) of is 2.0 Pa·s or less, and a viscosity at a strain rate of 0.1 (1/s) of at least 50.0 times the viscosity at a strain rate of 1,000 (1/s).
C08L 83/07 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
B05D 1/26 - Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
B05D 7/24 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
[Problem] To provide an electronic component, or a precursor thereof, that comprises a curable organopolysiloxane composition or a cured product thereof, the electronic component or precursor thereof enabling a precise coating to be applied and a fine pattern to be formed by a fine droplet coating device such as a jet dispenser in a single-liquid system. [Solution] An electronic component, or a precursor thereof, that is characterized by comprising a curable organopolysiloxane composition or a cured product thereof, the curable organopolysiloxane composition preferably being curable through a hydrosilylation reaction and being applied to at least one area by a fine droplet coating device, the curable organopolysiloxane composition having a viscosity of no more than 2.0 Pa·s at a strain rate of 1,000 (1/s), and the viscosity at a strain rate of 0.1 (1/s) being a value no less than 50.0 times the viscosity at a strain rate of 1,000 (1/s). In particular, the area of application preferably is a substantially circular area that fits within a frame no more than 1000 μm in diameter, a linear area no more than 1000 μm in line width, or a pattern configured from a combination of said areas.
B05D 7/24 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
B05D 1/26 - Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
C08L 83/05 - Polysiloxanes containing silicon bound to hydrogen
C08L 83/07 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
H01L 23/29 - Encapsulation, e.g. encapsulating layers, coatings characterised by the material
H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement
9.
METHOD FOR PRODUCING SEALED OPTICAL SEMICONDUCTOR DEVICE
22 of the optical semiconductor element placement substrate when the reduction of pressure within the pressure reduction chamber is released is a temperature at which the sealing film exhibits a tensile strength of 0.02-0.15 MPa and an elongation at break of 150-450%.
[Problem] The purpose of the present invention is to provide: a cured silicone elastomer which has excellent heat resistance, flexibility and the like, and which exhibits good adhesion and followability to a base material and is therefore not separated from the base material even if the cured silicone elastomer is cut together with the base material, while being able to be easily removed from the base material when desired; a protective material for electronic components, which is formed from this cured silicone elastomer; and a use of this cured silicone elastomer. [Solution] A cured silicone elastomer which is obtained by curing a composition that contains (A) a chain organopolysiloxane having a curing reactive group, while optionally containing (B) an organohydrogen polysiloxane, (C1) a curing agent and (D) an organopolysiloxane resin, and which has radical reactivity; and a use of this cured silicone elastomer. The surface of this cured silicone elastomer is radically reactive with an adhesive and the like; and this cured silicone elastomer is able to be easily removed together with an adhesive tape and the like after use as a protective material.
C08F 299/08 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polysiloxanes
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
This curable silicone composition is characterized by comprising at least (A) an organopolysiloxane having at least two alkenyl groups in each molecule thereof, (B) an organopolysiloxane having at least two hydrogen atoms bonded to a silicon atom in each molecule thereof, (C) a polyether-modified silicone comprising repeating units represented by the general formula and having a number-average molecular weight of 1000 to 100000, and (D) a hydrosilylation catalyst, the curable silicone composition whereby an optical semiconductor device can be formed having minimal contamination of a case during manufacturing of the optical semiconductor device, good efficiency of light extraction from a light-emitting element, and minimal color unevenness or chromaticity deviation. This optical semiconductor device is also characterized in that a light-emitting element is sealed or covered by a cured material of the composition, and by having minimal contamination of a case, good efficiency of light extraction, and minimal color unevenness or chromaticity deviation.
This curable silicone composition is characterized by comprising at least (A) an organopolysiloxane having at least two alkenyl groups in each molecule thereof, (B) an organopolysiloxane not having a polyether structure and having at least two hydrogen atoms bonded to a silicon atom in each molecule thereof, (C) a polyether-modified silicone having a siloxane dendron structure and a polyether structure, and (D) a hydrosilylation catalyst, the curable silicone composition whereby an optical semiconductor device can be formed having minimal contamination of a case during manufacturing of the optical semiconductor device, good efficiency of light extraction from a light-emitting element, and minimal color unevenness or chromaticity deviation. This optical semiconductor device is also characterized in that a light-emitting element is sealed or covered by a cured material of the composition, and by having minimal contamination of a case, good efficiency of light extraction, and minimal color unevenness or chromaticity deviation.
[Problem] To provide an aqueous coating agent composition (in particular, an aqueous coating composition for lubricating films that contains a solid lubricant) which as a whole is excellent in terms of flowability, applicability, and storage stability and which is capable of forming satisfactory and smooth coating films effective in stick-slip inhibition. [Solution] The problem can be solved with an aqueous coating agent composition which comprises (A) a curable resin in an aqueous emulsion form, (B) a surfactant, (C) solid particles, (D) one or more nitrogenous heterocyclic compounds, (E) a film-forming silicone in an aqueous emulsion form, and (F) water. In particular, it is preferable that the (C) component comprise a solid lubricant. In view of the environmental regulations, it is especially preferable that the (D) component be 1,3-dimethyl-2-imidazolidinone.
C10N 50/02 - Form in which the lubricant is applied to the material being lubricated dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating
15.
THERMALLY-CONDUCTIVE SILICONE GEL COMPOSITION, THERMALLY-CONDUCTIVE MEMBER, AND HEAT DISSIPATION STRUCTURE
[Problem] To provide: a thermally-conductive silicone gel composition which has a high thermal conductivity, and has excellent gap-filling ability and repairability; a thermally-conductive member comprising the thermally-conductive silicone gel composition; and a heat dissipation structure using same. [Solution] Provided is a thermally-conductive silicone gel composition containing: (A) an alkenyl group-containing organopolysiloxane; (B) a straight-chain organohydrogenpolysiloxane containing an average of 2-4 silicon atom-bound hydrogen atoms per molecule, at least two of the hydrogen atoms being located on a side chain of the molecular chain, wherein the amount of the silicon atom-bound hydrogen atoms in the component (B) is 0.2-5 mol with respect to 1 mol of an alkenyl group contained in the component (A); (C) a catalyst for hydrosilylation reaction; (D) a thermally-conductive filler; and (E) an alkoxysilane having 6 or more carbon atoms per molecule. Also provided are: a silicone gel obtained by curing the thermally-conductive silicone gel composition; and the use of the thermally-conductive silicone gel composition.
[Problem] To provide: a thermally-conductive silicone gel composition which has a high thermal conductivity, and is less likely to flow out and slip off/drop off from a surface on which the gel composition is placed, even when the composition that has not been cured is placed on a sloped surface or in a vertical direction, and has excellent gap-filling ability with respect to a heat dissipation part, etc., and excellent repairability if desired; a thermally-conductive member comprising the thermally-conductive silicone gel composition; and a heat dissipation structure using same. [Solution] Provided are: a thermally-conductive silicone gel composition containing (A) an alkenyl group-containing organopolysiloxane, (B) an organohydrogenpolysiloxane, (C) a catalyst for hydrosilylation reaction, (D) a thermally-conductive filler, (E) a silane-coupling agent, and (F) a specific organopolysiloxane having a hydrolyzable silyl group at one end thereof, wherein the gel composition has a viscosity in the range of 50-400 Pa·s at a strain rate of 10 (1/s), and the viscosity thereof at a strain rate of 1 (1/s) is 2.0 times or more of the viscosity thereof at a strain rate of 10 (1/s); and the use of the thermally-conductive silicone gel composition.
C08K 9/06 - Ingredients treated with organic substances with silicon-containing compounds
C08L 83/05 - Polysiloxanes containing silicon bound to hydrogen
C08L 83/06 - Polysiloxanes containing silicon bound to oxygen-containing groups
H01L 23/36 - Selection of materials, or shaping, to facilitate cooling or heating, e.g. heat sinks
H01L 23/373 - Cooling facilitated by selection of materials for the device
17.
OPTICAL MEMBER RESIN SHEET, OPTICAL MEMBER, LAYERED BODY, OR LIGHT-EMITTING DEVICE COMPRISING OPTICAL MEMBER RESIN SHEET, AND METHOD FOR MANUFACTURING OPTICAL MEMBER RESIN SHEET
Provided are: a resin sheet having excellent characteristics as an optical member and exhibiting excellent performance even if used for a light-emitting device or the like; and a method for producing the resin sheet. Provided is an optical member resin sheet characterized: in that the difference between the thickness of an end of the sheet and the thickness of the center of the sheet in the width direction of the sheet is within 5.0% of the total film thickness of the sheet; in that the thickness of the center of the sheet is in the range of 10-1000 μm; in that the sheet area is 225 mm2 or more; and by containing at least one kind of phosphor or a reflecting material.
B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
B05D 7/24 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
[Problem] The present invention provides an oil-in-water-type emulsion composition which can be produced by directly emulsifying an organopolysiloxane having a high polymerization degree, contains substantially no coarse particle, and has a small average particle diameter. The present invention also provides: a method for producing the oil-in-water-type emulsion composition using a vertical batch mixer; and a use of a cosmetic raw material or the like which contains the oil-in-water-type emulsion composition. [Solution] An oil-in-water-type emulsion composition which is an emulsion containing (A) an organopolysiloxane having a total viscosity of 1,000,000 mPa·s or more or having plasticity or a mixture thereof, (B) a surfactant and (C) water, wherein the component (A) is emulsified in water by the action of the component (B), the average particle diameter of emulsion particles falls within the range from 0.1 to 7.5 μm, and the content of emulsion particles each having a particle diameter 10 times or more larger than the average particle diameter is less than 5.0 vol%; and a use of the oil-in-water-type emulsion composition.
B01F 7/24 - Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a vertical axis with helices
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
C08J 3/03 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
D06M 15/643 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
20.
MULTICOMPONENT-CURABLE THERMALLY-CONDUCTIVE SILICONE GEL COMPOSITION, THERMALLY-CONDUCTIVE MEMBER AND HEAT DISSIPATION STRUCTURE
[Problem] To provide: a multicomponent-curable thermally-conductive silicone gel composition which has a high thermal conductivity, has excellent gap-filling ability and repairability, and has superior storage stability; a thermally-conductive member comprising said composition; and a heat dissipation structure using same. [Solution] Provided are: a thermally-conductive silicone gel composition which contains (A) an alkenyl group-containing organopolysiloxane, (B) an organohydrogenpolysiloxane, (C) a catalyst for hydrosilylation reaction, (D) a thermally-conductive filler, (E) a silane-coupling agent or a hydrolysis condensation product thereof, and (F) a specific organopolysiloxane having a hydrolyzable silyl group at one end thereof, wherein the thermally-conductive silicone gel composition includes liquid (I) (a composition that includes components (A), (C), (D), (E), and (F), but does not include component (B)) and liquid (II) (a composition that includes components (B), (D), (E), and (F), but does not include component (C)) which are individually stored; a silicone gel obtained by curing said thermally-conductive silicone gel composition; and use of those.
[Problem] To provide: a grease composition that has a superior noise reduction effect at low frequencies (100-500 Hz range); a slide member using same; and a noise reduction method. [Solution] Provided are: a grease composition (preferably a noise reduction lubricating grease) which comprises (A) a base oil that contains polyalphaolefin (PAO), (B) a thickener that contains a lithium soap, (C1) a styrene-based block copolymer having a glass transition point (Tg) of less than -20°C, and (C2) a styrene-based block copolymer having a glass transition point (Tg) of at least -20°C; and a use of said grease composition.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 107/02 - Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
C10M 117/00 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
C10M 143/00 - Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
C10M 143/10 - Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing aromatic monomer, e.g. styrene
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
[Problem] To provide: a curable organopolysiloxane composition which has excellent curability by means of a hydrosilylation reaction and excellent handling properties, and which forms a pressure sensitive adhesive layer that firmly adheres to a base material of a display device and the like; and a use of this curable organopolysiloxane composition. [Solution] An organopolysiloxane composition for forming a pressure sensitive adhesive layer, which is a hydrosilylatable organopolysiloxane composition wherein the molar ratio of the SiH groups in (C) an organohydrogen polysiloxane to the sum of the alkenyl groups in (A) an organopolysiloxane having an alkenyl group and the alkenyl groups in (B) an organopolysiloxane resin, namely the SiH/Vi ratio is 20 to 60; and a use of this organopolysiloxane composition for forming a pressure sensitive adhesive layer.
G02F 1/1335 - Structural association of cells with optical devices, e.g. polarisers or reflectors
G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
23.
COPOLYMER HAVING CARBOSILOXANE DENDRIMER STRUCTURE AND ACIDIC GROUP, COMPOSITION CONTAINING SAME, AND COSMETIC
[Problem] To provide a copolymer having excellent water resistance and sebum resistance but also high washability, a composition containing the same, and a cosmetic. [Solution] A copolymer polymerized from a monomer composition containing (A) a carbosiloxane dendrimer monomer having a radical-polymerizable organic group and (B) an unsaturated monomer having at least one acidic group or a salt thereof in the molecule wherein, in the copolymer, the weight of the monomer (A) in the monomer composition is 30 wt% or higher relative to the monomer composition weight and the ratio (A/B) of the weight of the monomer (A) to the weight of the monomer (B) is 1.0-20.0.
C08F 230/08 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium, or a metal containing a metal containing silicon
A61K 8/891 - Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
A61Q 1/00 - Make-up preparations; Body powders; Preparations for removing make-up
C08L 43/04 - Homopolymers or copolymers of monomers containing silicon
24.
FILM-FORMING AGENT FOR COSMETICS AND COSMETICS CONTAINING SAME
[Problem] To provide a film-forming agent for cosmetics, which can form a film having an excellent water resistance and an excellent sebum resistance while also having a high washability, and a cosmetic containing this film-forming agent for cosmetics. [Solution] A film-forming agent for cosmetics, which contains a copolymer polymerized from a monomer composition containing (A) an unsaturated monomer having at least one polysiloxane structure in the molecule and (B) an unsaturated monomer having at least one acidic group or salt thereof in the molecule, wherein the content of the monomer (A) is at least 30 wt% with reference to the monomer composition.
A curable silicone composition for die bonding use according to the present invention contains at least (A) an organopolysiloxane having at least two alkenyl groups per molecule, (B) an organopolysiloxane having at least two siloxane units each represented by the formula: RHSiO (wherein R represents a monovalent hydrocarbon group having 1 to 12 carbon atoms and having no aliphatic unsaturated bond) per molecule, (C) a platinum-group metal-based catalyst for hydrosilylation reactions, (D) a hydrosilylation reaction inhibitor and (E) an adhesiveness-imparting agent, wherein the scorch time (ts1), which is defined in JIS K 6300-2, at a die bonding temperature is 20 to 60 seconds, and the 90% vulcanization time [tc(90)] with respect to the maximum torque value during the vulcanization time of 600 seconds is 300 to 500 seconds. The curable silicone composition for die bonding use according to the present invention can adhere a semiconductor chip to a support strongly.
[Problem] To provide a curable silicone composition and a use thereof, wherein the curable silicone composition has hot-melt properties and excellent handling workability and curing characteristics, sufficient fluidity and gap filling properties can be obtained when the curable silicone composition is heated and melted at a high temperature, and a cured product of the curable silicone composition has excellent mechanical strength and adhesion to a substrate. [Solution] The present invention provides a curable silicone composition and a use thereof, the curable silicone composition being characterized by containing (A0): a hot-melt-type silicone having a curable functional group; (B) an inorganic filler having an average particle size of 1.0 µm or less; (C0) a hot-melt component (other than components corresponding to component (A0)); and (D) a curing agent, and satisfying VisA>VisC with regard to the kinetic viscosity (VisA) at the time of melting of component (A0) at 150°C and the kinetic viscosity (VisC) at the time of melting of component (C0) at 150°C.
The releasant composition for pressure-sensitive silicone adhesives according to the present invention comprises (A) an organopolysiloxane represented by the average rational formula (R13SiO1/2)a(R12SiO2/2)b(R1SiO3/2)c(SiO4/2)d (wherein the R1 moieties are the same or different and each represent a C1-12 alkyl, C2-12 alkenyl, C6-12 aryl, C7-12 aralkyl, or C1-12 fluoroalkyl group, provided that at least two R1 moieties per molecule are said alkenyl groups, the content of the alkenyl groups in terms of vinyl content is at most 0.1 mass%, and the content of fluorine atoms attributable to the fluoroalkyl group(s) is at least 36 mass%; a is a positive number; b is a positive number; c is 0 or a positive number; and d is 0 or a positive number), (B) an organopolysiloxnae having at least two silicon-atom-bonded hydrogen atoms in the molecule, and (C) a hydrosylilation catalyst. With the releasant composition for pressure-sensitive silicone adhesives, it is possible to form a release film showing low peel force in separation from pressure-sensitive silicone adhesives.
The present invention relates to a liquid silicone composition for transfer- or injection-molding optical parts, comprising: (A) a linear organopolysiloxane having in a molecule at least two silicon-bonded C2-10 alkenyl groups and at least one silicon-bonded C6-20 aryl group; (B) an organopolysiloxane resin represented by a specific average unit formula; (C) an organopolysiloxane having at least two silicon-bonded hydrogen atoms in a molecule; (D) a hydrosilylation reaction catalyst; and (E) a hydrosilylation reaction inhibitor.
C08G 77/12 - Polysiloxanes containing silicon bound to hydrogen
C08G 77/48 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
C08G 77/08 - Preparatory processes characterised by the catalysts used
[Problem] To give a cured product having a very low mean line expansion coefficient in a wide temperature range by curing, and particularly to provide a curable granular silicone composition or the like that is preferable to an over-mold forming. [Solution] The present invention provides a curable granular silicone composition and a use thereof, the composition being characterized by containing: (A) hot-melt silicone fine particles having a specific reactive functional group; (B) an inorganic filler; and (C) a curing agent, wherein the content of (B) component is in a range of 87-95 volume% of the total composition, and a cured product, of which the mean line expansion coefficient in a range of 25°C-200°C is 15 ppm/°C or less, is given.
This silicone rubber composition for forming fixing members is composed of at least (A) an organopolysiloxane that has at least two alkenyl groups in each molecule, (B) graphite having an average particle diameter of 1-100 μm and (C) a curing agent. This silicone rubber composition for forming fixing members is suitable for the formation of a fixing member such as a fixing roll and a fixing belt, which has low heat capacity and high thermal conductivity, while being not susceptible to the formation of a skin layer even by means of thermal aging. In addition, a fixing member according to the present invention is formed with use of the above-described composition, and has low heat capacity, high thermal conductivity and excellent heat resistance.
[Problem] To provide a sliding member which has good operatability in a wide temperature range from extremely low to high temperature, and generates less operating sound on a sliding surface, and a grease composition which is used for the sliding member. [Solution] This grease composition contains (A) a straight-chain perfluoropolyether having a kinematic viscosity of 2-110 mm2/s at 40ºC, (B) a branched perfluoropolyether having a kinematic viscosity of 2-100 mm2/s at 40ºC, and (C) a fluorocarbon resin powder having a primary particle size of 1 μm or less, wherein the contained amount of the fluorocarbon resin powder is 25-40 wt% with respect to the weight of the grease composition, and the weight ratio of the straight-chain perfluoropolyether (A) to the branched perfluoropolyether (B) is 15:85 to 70:30.
C10M 169/02 - Mixtures of base-materials and thickeners
C10M 105/54 - Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing halogen containing carbon, hydrogen, halogen and oxygen
C10M 107/38 - Lubricating compositions characterised by the base-material being a macromolecular compound containing halogen
C10M 119/22 - Lubricating compositions characterised by the thickener being a macromolecular compound containing halogen
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
[Problem] To provide: a solid silicone material which can be easily formed into a thin film having an even thickness on the order of nanometer and which, when disposed at the interface between a multilayered object, which is a light-emitting device, and air, can improve the light extraction efficiency, etc.; and a multilayered object and the like obtained using the solid silicone material. [Solution] A solid silicone material which comprises (A) hollow or porous, inorganic fine particles having a number-average particle diameter of 1-100 nm and (B) an organopolysiloxane having, in the molecule, an arylsiloxane unit represented by RASiO3/2 (wherein RA is a C6-14 aryl group) and a polydiorganosiloxane structure represented by (R2SiO2/2)n (wherein R is a C1-20 alkyl or C6-14 aryl group optionally substituted by a halogen atom and n is a number in the range of 3-1,000), the content of the component (A) being in the range of 10-95 mass%.
[Problem] To provide: a curable organopolysiloxane composition that can be easily processed into the shape of film, has a high relative dielectric constant, a high dielectric breakdown strength, and a low Young's modulus, and can thereby achieve a high energy density, and that has excellent mechanical strength (specifically, tensile strength, tear strength, elongation ratio, etc.) when used as a dielectric layer in a transducer; and use of the organopolysiloxane composition. [Solution] Provided are: a fluoroalkyl group-containing curable organopolysiloxane composition which can be cured by an addition reaction, and which is obtained by using an organopolysiloxane containing an alkenyl group and a fluoroalkyl group, an organohydrogenpolysiloxane having SiH at both ends of the molecular chain but not having a fluoroalkyl group, and a straight-chain fluoroalkyl group-containing organohydrogenpolysiloxane or branched fluoroalkyl group-containing organohydrogenpolysiloxane having a T unit; and use of the fluoroalkyl group-containing curable organopolysiloxane composition.
Provided is a water absorption preventing material which is an organosilicon compound-based composition that has properties facilitating work and excellent storage stability and that can impart excellent water repellency for long periods of time to inorganic porous material such as concrete, mortar, autoclaved lightweight concrete, and bricks. This water absorption preventing material includes components (A) to (D). (A) 70 to 95 weight% of an organoalkoxysilane represented by general formula R1aSi(OR2)4-a (in the formula, R1 is each independently a monovalent hydrocarbon group having 1 to 20 carbon atoms, provided that at least one R1 is an alkyl group having 4 to 20 carbon atoms, R2 is an alkyl group having 1 to 3 carbon atoms, and a is 1 or 2), (B) 0.2 to 10 weight% of a silicone resin comprising an alkyl group having 4 to 20 carbon atoms, the silicone resin being selected from the group consisting of an MQ resin, MTQ resin, MDQ resin, MDTQ resin, and T resin, (C) 0 to 5 weight% of an organosilicon represented by the general formula, [chemical formula 1] (in the formula, R3 is each independently an alkyl group having 1 to 20 carbon atoms, Q is a group selected from the group consisting of a group comprising a hydroxyl group or an alkoxy group bonded to a silicon atom, an amino group, an amide group, a carboxyl group, an epoxy group, and a hydroxyl group, A is a group selected from a hydroxyl group, R3, and Q, l is 0 to 500, and m is 0 to 20, provided that one of l or m is not 0), and (D) 0.1 to 6 weight% of a surfactant that includes a nonionic surfactant of HLB12 or less and a nonionic surfactant of HLB15 or more. The ratio of (A)/{(B)+(C)} by weight is 4:1 to 250:1 ((A):{(B)+(C)}) and the percentage of the total amount of (A), (B), and (C) to the whole amount is 70.2 to 95.2 weight%.
C09K 3/18 - Materials not provided for elsewhere for application to surface to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
35.
METHOD FOR PRODUCING SILICONE-BASED ADHESIVE MEMBER
The method for producing a silicone-based adhesive material of the present invention is characterized by comprising at least a step (1) for applying a silicone composition (I) to one side of a releasable base material and forming a silicone layer (I) by curing or drying the composition, and a step (2) for applying a silicone composition (II) to the surface of the silicone layer (I) and forming a silicone-based adhesive material by curing the composition, the composition (I) containing a silicone resin, and the composition (II) not containing the above silicone resin, or, even if containing the above silicone resin, the composition (II) having a lower silicone resin content than the composition (I). The method of the present invention makes it possible to produce a silicone-based adhesive material having low release resistance relative to the releasable substrate despite having a low modulus.
[Problem] to provide a stable oil-in-water emulsion composition which can achieve excellent film formability, usability and formulation stability, and which uses a vinyl-acrylamide copolymer having a carbosiloxane dendrimer structure in a side chain, and a production method and use thereof. [Solution] This composition contains (A1) a vinyl-acrylamide copolymer having at least one carbosiloxane dendrimer structure in a side chain, and at least one acrylamide-base unit in the polymer, (B) a surfactant, and (X) water, wherein emulsified particles formed from at least component (A1) and component (B) are in an aqueous phase.
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
C08F 2/24 - Emulsion polymerisation with the aid of emulsifying agents
C08F 220/28 - Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
C08F 220/58 - Amides containing oxygen in addition to the carbonamido oxygen
C08F 230/08 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium, or a metal containing a metal containing silicon
C08L 33/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
C08L 33/26 - Homopolymers or copolymers of acrylamide or methacrylamide
C08L 43/04 - Homopolymers or copolymers of monomers containing silicon
D06M 15/285 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acid amides or imides
37.
COSMETIC COMPOSITION, COSMETIC, AND FILM FORMING AGENT
[Problem] To provide a cosmetic, or a film forming agent, which, even when used as a cosmetic for use on the hair, or a film forming agent for use on fibers including hair, can achieve excellent film forming properties, usability and formulation stability, and which uses a vinyl polymer having a carbosiloxane dendrimer structure in the side chain. [Solution] This cosmetic composition or film forming agent is a composition that contains (A) 100 parts by weight of at least one vinyl polymer having at least one carbosiloxane dendrimer structure in a side chain, (B) 0.1-30 parts by weight of a cationic surfactant, and (X) water, wherein emulsified particles formed from at least component (A) and component (B) are in an aqueous phase, and the weight average molecular weight of the component (A) is at least 80,000.
C08F 230/08 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium, or a metal containing a metal containing silicon
C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
C08L 43/04 - Homopolymers or copolymers of monomers containing silicon
[Problem] To provide a curing-reactive organopolysiloxane composition that is curable by a hydrosilylation reaction, has excellent adhesiveness and workability in handling, and forms a pressure-sensitive adhesive layer capable of maintaining high transparency over an extended period of time without developing problems such as discoloration or coloration even when subjected to long-term aging at high temperature and even when exposed over an extended period of time to high-energy rays such as UV rays; and the use thereof. [Solution] A curing-reactive organopolysiloxane composition including a hydrosilylation reaction characterized in that the content of platinum-based metal in the solids fraction is in the 0.1-50 ppm range and the adhesive force of a 50 μm-thick cured layer obtained by curing said composition is 0.02 N/25 mm or higher; a pressure-sensitive adhesive layer obtained by curing the same; and an electronic component or display device using the same.
[Problem] To provide: a liquid curable silicone adhesive composition, which is a one-pack type composition that can be stably stored at room temperature, and which can be primarily cured in the presence of moisture at around room temperature and undergoes secondary curing at a high temperature to form a layer strongly adherent to the substrate or member in contact therewith; a cured product (including a primarily cured product) thereof; a bonding method using these; and a use thereof. [Solution] A liquid curable silicone adhesive composition containing a curable organopolysiloxane having both a radical reactive group and a condensable group in the same molecule or in the whole mixture thereof, a condensation catalyst, an organic peroxide, an adhesion promoter, and a crosslinkable silane, said composition characterized in that a cured product obtained by primarily curing the composition in the presence of moisture at around room temperature has a storage modulus (G'1) and a cured product obtained by curing the composition at a high temperature has a storage modulus (G'2), the increase (Δ) in storage modulus therebetween being at least 50%; a primarily cured product thereof; and a use of these.
H01L 21/301 - Treatment of semiconductor bodies using processes or apparatus not provided for in groups to subdivide a semiconductor body into separate parts, e.g. making partitions
H01L 21/52 - Mounting semiconductor bodies in containers
40.
CURABLE SILICONE COMPOSITION, CURED PRODUCT OF SAME, AND OPTICAL DISPLAY
The present invention relates to a curable silicone composition which is composed of at least (A) an organopolysiloxane that has at least two alkenyl groups and at least one aryl group in each molecule, (B) a polyoxyalkylene compound represented by general formula XO-(C2H4O)p(CnH2nO)q(YO)r-X (wherein each X represents a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an acryl group or a methacryl group, provided that at least one X in each molecule is the alkenyl group, the acryl group or the methacryl group; Y represents a divalent hydrocarbon group; n represents an integer of 3-6; p and q are integers satisfying 2 ≤ p ≤ 100 and 0 ≤ q ≤ 50; and r represents 0 or 1), (C) an organopolysiloxane that has at least two silicon-bonded hydrogen atoms in each molecule, and (D) a hydrosilylation reaction catalyst. This composition forms a cured product which is not susceptible to turbidity or coloring even if exposed to high temperature and high humidity.
C08L 83/07 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
C08L 71/00 - Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
C08L 83/05 - Polysiloxanes containing silicon bound to hydrogen
C09J 183/05 - Polysiloxanes containing silicon bound to hydrogen
C09J 183/07 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
G02B 1/04 - Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
41.
CURABLE ORGANOPOLYSILOXANE COMPOSITION AND SEMICONDUCTOR DEVICE
The present invention pertains to a curable organopolysiloxane composition comprising at least (A) an organopolysiloxane having at least two alkenyl groups per molecule, (B) an organopolysiloxane resin represented by average unit formula: (R13SiO1/2)a(R12SiO2/2)b(R2SiO3/2)c(SiO4/2)d (in the formula, R1's are the same or different from each other, and represent a hydrogen atom or a monovalent hydrocarbon group not having an aliphatic unsaturated carbon bond but at least two of the R1's per molecule represent hydrogen atoms, R2 represents a monovalent hydrocarbon group not having an aliphatic unsaturated bond, and a, b, and c are numbers satisfying 0
[Problem] To provide the following: an oil mist inhibitor that effectively suppresses the oil mist produced from a lubricant during treatment with the lubricant and that does not impair the purpose of treatment with the lubricant or the effect of the treatment; a lubricant that contains this oil mist inhibitor; and an oil mist reduction method that uses this oil mist inhibitor. [Solution] An oil mist inhibitor comprises a silicone fluid composition that can be uniformly blended with a dimethylpolysiloxane oil having a kinematic viscosity at 25°C of 10.0 mm2/s. The oil mist inhibitor has the property of increasing the maximum lamella length of the dimethylpolysiloxane oil by at least 5%, by adding 1.0 mass% of the silicone fluid composition to the dimethylpolysiloxane oil.
D06M 15/643 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
The coating agent for concrete structures according to the present invention comprises (A) a diorganopolysiloxane blocked at both molecular terminals with silanol groups or with silicon-atom-bonded hydrolyzable groups, (B) either a silane compound having at least two silicon-atom-bonded hydrolyzable groups in the molecule or a product of the partial hydrolysis/condensation of the compound, (C) a curing catalyst, and (D) fumed silica. The coating agent forms silicone coating films strongly adherent to concrete structures. The surface state of the concrete structures can be visually checked through the silicone coating films.
E01D 22/00 - Methods or apparatus for repairing or strengthening existing bridges
E04G 23/02 - Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
E21D 11/00 - Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
44.
SPONGE-FORMING LIQUID SILICONE RUBBER COMPOSITION AND SILICONE RUBBER SPONGE
[Problem] To provide: a sponge-forming liquid silicone rubber composition that maintains a stable emulsified state, that can form a low-density silicone rubber sponge having a uniform and fine open-cell foam structure even when a coating or molding method involving shearing force and thin layer formation is used, that is less likely to contract during curing, and that forms a silicone rubber sponge having a density close to the density designed on the basis of water content; and a low-density silicone rubber sponge material using the sponge-forming liquid silicone rubber composition. [Solution] Provided are: a sponge-forming liquid silicone rubber composition characterized by comprising (A) an alkenyl group-containing organopolysiloxane, (B) an organopolysiloxane having a silicon atom-bonded hydrogen atom, (C) a mixture of water and an inorganic thickener, (D) an emulsifier, and (E) a hydrosilylation reaction catalyst, the contained amount of the component (C) in the entire composition being 70 mass% or more; and the use thereof.
C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
Provided is: a co-modified silicone which has at least two kinds of units selected from among disiloxy units represented by formulae (I)-(III) in each molecule; or a co-modified silicone which has two or more disiloxy units represented by formula (I) in each molecule. (I) X1R1SiO2/2 unit (In the formula, X1 represents a protected amino group-containing organic group; and R1 represents a monovalent hydrocarbon group, a silicon atom-bonded hydrogen atom or a hydroxyl group.) (II) X2R1SiO2/2 unit (In the formula, X2 represents an alkoxysilyl group-containing organic group; and R1 is as defined in formula (I).) (III) X3R1SiO2/2 unit (In the formula, X3 represents an epoxy group-containing organic group; and R1 is as defined in formula (I).)
C07F 7/18 - Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
C08G 77/38 - Polysiloxanes modified by chemical after-treatment
C08G 77/48 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
46.
CURABLE SILICONE COMPOSITION AND OPTICAL SEMICONDUCTOR DEVICE USING SAME
[Problem] To provide a curable silicone composition which has excellent curability, and provides a cured product which has high thermal shock resistance and low gas permeability. In addition, by applying the curable silicone composition to an optical semiconductor device, to provide an optical semiconductor device having advantages, namely excellent thermal shock resistance and sustained high light-emission efficiency. [Solution] The curable silicone composition and the optical semiconductor device using the same according to the present invention are characterized by containing an organopolysiloxane having an alkyl phenyl vinyl siloxane unit (R2R3R4SiO0.5; wherein R2 represents an alkyl group such as a methyl group, R3 represents a phenyl group, and R4 represents an alkenyl group such as a vinyl group), wherein the contained amount of 1,3-divinyl-1,3-diphenyl-1,3-dimethyl di-siloxane is more than 0.0 mass% but less than 3.0 mass% with respect to the entire composition.
This reactive hot-melt silicone filling container is characterized in that: a container is filled with a crosslinking silicone composition including (A) an alkenyl-group-bonded organopolysiloxane that includes a branched-chain organopolysiloxane having an alkenyl group and having a softening point of a least 50°C, (B) an organopolysiloxane having at least two silicon-atom-bonded hydrogen atoms in a single molecule, and (C) a hydrosilylation reaction catalyst; the container is heated to cause B-stage crosslinking of the composition; and a reactive hot-melt silicone that is nonflowable at 25°C and has a melt viscosity at 120°C of 5,000 Pa·s or less is formed; the application of heat making it possible to remove the reactive hot-melt silicone, which has exceptional gap-filling performance.
[Problem] To provide: a one-pack curable type thermally conductive silicone grease composition which is excellent in terms of long-term storability and handleability and can be vertically held in a severe temperature environment; a method for applying the silicone grease composition; and an electronic device including the composition. [Solution] A one-pack curable type thermally conductive silicone grease composition which comprises (A) an organopolysiloxane having at least one aliphatic unsaturated hydrocarbon group in the molecule and having a viscosity at 25°C of 50-100,000 mPa∙s, (B) an organohydrogensiloxane having at least two silicon-atom-bonded hydrogen atoms in the molecule, (C) a thermally conductive filler having particle diameters having an average particle diameter of 0.01-200 μm, (D) a finely particulate catalyst which comprises a thermoplastic resin containing a platinum-based catalyst in an amount of 0.01 mass% or larger in terms of the amount of platinum-metal atoms and having a softening point of 40-200°C and which has an average particle diameter of 0.01-10 μm, and (E) a curing control agent, and which after curing, has a complex elastic modulus at 25°C of 0.01-20 MPa.
[Problem] The purpose of the present invention is to provide a layered body and an application thereof (method for manufacturing an electronic component, or the like) the layered body having, on a substrate, a gel layer that is more suitable for an industrial production step and which, prior to curing thereof, is capable of protecting the substrate from various types of processing prior to curing, has excellent heat resistance and other properties, low elastic modulus, low stress, and excellent stress buffer properties and flexibility, and is soft and has excellent retention of an electronic component or the like, the gel layer having higher shape retention after curing thereof than before curing thereof and changing to a hard cured layer having excellent release properties, and the cured layer be easily and conveniently separable from the substrate even when localized. [Solution] A layered body and an application thereof, the layered body in which a curing reactive silicone gel is layered, and a sheet-shaped member is provided that is layered via an adhesive layer on the curing reactive silicone gel.
H01L 21/301 - Treatment of semiconductor bodies using processes or apparatus not provided for in groups to subdivide a semiconductor body into separate parts, e.g. making partitions
50.
POLYETHER-MODIFIED SILICONE COMPOSITION, SURFACTANT, FOAM STABILIZER, POLYURETHANE FOAM FORMING COMPOSITION, AND COSMETIC PREPARATION INCLUDING SAID COMPOSITION, AND METHOD FOR PRODUCING SAID COMPOSITION
[Problem] To provide a polyether-modified silicone composition, which can be supplied in large quantities at low cost, is highly safe and environmentally friendly, and is excellent in terms of mixing stability, handleability, and quality such as storage stability as a whole composition including a dispersion medium, and which is useful for applications such as surfactants and foam stabilizers, and to also provide uses of said polyether-modified silicone composition, and a method for producing said polyether-modified silicone composition. [Solution] A polyether-modified silicone composition comprising (A) a polyether-modified silicone, and (B) an organic monol compound selected from (B1) a glycol ether compound in which a C2-8 alkyl group is substituted for the hydrogen atom at one terminal and there is a secondary alcoholic hydroxy group at another terminal and in which the number of repetitions of a C2-4 oxyalkylene unit is in the range of 2-3, and (B2) a tripropylene glycol monomethyl ether, wherein the isopropyl alcohol content does not exceed 1 mass% with respect to the whole composition. Uses of said composition, and a method for producing said composition.
A61K 8/894 - Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
A61Q 1/00 - Make-up preparations; Body powders; Preparations for removing make-up
C08G 18/00 - Polymeric products of isocyanates or isothiocyanates
This photocurable liquid silicone composition includes (A) a straight-chain organopolysiloxane having at least 2 C2-12 alkenyl groups and not having a mercaptoalkyl group in each molecule thereof, (B) an organopolysiloxane having at least 2 mercaptoalkyl groups in each molecule thereof, (C) a branched-chain organopolysiloxane not having an alkenyl group and a mercaptoalkyl group, (D) a photoradical initiator containing a phosphorus atom, and (E) a hindered phenol compound, the photocurable liquid silicone composition having excellent storage stability and coating application properties at room temperature and low temperature (approximately 0°C) while being rapidly cured by irradiation with long-wavelength light, and the photocurable liquid silicone composition forming a cured coating film having minimal cloudiness or coloration and maintaining transparency even when left in high-temperature, high-humidity conditions.
A silicone resin-linear co-polymer is disclosed. The silicone resin-linear copolymer includes a resinous structure having the general formula (1): (R1R2R3SiO1/2)x(R4SiO3/2)y (1) wherein each R1, R2, R3 and R4 is an independently selected substituted or unsubstituted hydrocarbyl groups, with the proviso that in one molecular at least two of R1, R2 and R3 are aryl groups; and x and y are each from >0 to <1 such that x+y=1; and a linear structure having the general formula (2): (R5R6SiO2/2) (2) wherein R5 and R6 are each independently selected substituted or unsubstituted hydrocarbyl groups. End use applications and related methods of the silicone resin-linear copolymer are also disclosed.
A silicone resin-linear copolymer is disclosed which has a resinous structure (A1) including R1SiO3/2 units, and a linear structure (A2) including repeated R22SiO2/2 units, wherein R1 is a propyl group and each R2 is an independently selected substituted or unsubstituted hydrocarbyl group, and wherein the resinous structure (A1) and the linear structure (A2) are bonded together in the silicone resin-linear copolymer via a siloxane bond. End use applications and related methods of the silicone resin-linear copolymer are also disclosed
The present invention provides a cosmetic composition or an external composition containing a resin-linear organopolysiloxane block copolymer, the composition having a high degree of freedom of formulation design for the sake of exceptional compatibility with other cosmetic raw materials, exceptional film-forming properties and film traceability, and suppressed stickiness, etc., of the film. The resin-linear organopolysiloxane block copolymer contains a resin-linear organopolysiloxane block copolymer (A) having a structure in which a resin structure (A1) block that has siloxane units represented by R1SiO3/2 (R1 is a monovalent organic group, a hydroxyl group, or a C1-6 alkoxy group) or SiO4/2 and a linear structure (A2) block represented by (R2SiO2/2)n (n is an integer of 5 or higher, and R is an alkyl group, a fluoroalkyl group, or an aryl group) are connected by an Si-O-Si bond in the molecule, as well as having R1SiO3/2 units in the molecule.
Provided is a novel resin-linear organopolysiloxane block copolymer which has a high degree of freedom in formulation due to excellent compatibility with other lipophilic starting materials, and which exhibits excellent film forming properties and followability of a film, while being suppressed in stickiness of a film or the like. This resin-linear organopolysiloxane block copolymer has a resin structure (A1) block that has siloxane units represented by R1SiO3/2 (wherein R1 represents a monovalent organic group, a hydroxyl group or an alkoxy group having 1-6 carbon atoms) and SiO4/2, and a linear structure (A2) block represented by (R2SiO2/2)n (wherein n represents a number of 5 or more; and R represents an alkyl group, a fluoroalkyl group or an aryl group) in each molecule; the resin structure (A1) and the linear structure (A2) are linked to each other by an Si-O-Si bond; and an Si atom bonded to the resin structure (A1) constitutes an RSiO3/2 unit.
This curable silicone composition is composed of at least: (A) a linear organopolysiloxane which has at least two alkenyl groups bonded to silicon atoms in each molecule, and wherein at least 5% by mole of all organic groups bonded to silicon atoms is aryl groups; (B) an organopolysiloxane which is composed of a siloxane unit represented by formula R13SiO1/2 (wherein R1 represents a monovalent hydrocarbon group) and a siloxane unit represented by formula SiO4/2, and wherein the content of alkenyl groups is at least 6% by weight; (C) an organopolysiloxane which has at least two hydrogen atoms bonded to silicon atoms in each molecule; and (D) a catalyst for hydrosilylation reactions. This curable silicone composition forms a cured product that is suppressed in weight decrease, hardness change and occurrence of cracks after thermal aging.
[Problem] The purpose of the present invention is to provide a soft, curing reactive silicone gel which has excellent heat resistance, a low elastic modulus, low stress and excellent stress buffering and flexibility, wherein, after curing, the silicone gel layer changes into a hard cured product which has better shape retention than before curing and has excellent releasability. A further purpose of the present invention is to provide uses of the silicone gel as an adhesive agent, protective agent or sealing agent, and in a member for electronic component manufacture, and to provide an electronic component which comprises the cured product of the curing reactive silicone gel. [Solution] A curing reactive silicone gel which is formed by primary curing of a composition containing the components below into a gel, and which further has secondary curing reactivity; and a use thereof. (A) Organopolysiloxane having at least two curing reactive groups in one molecule (B) Optionally, an organohydrogenpolysiloxane (C) A curing agent
C08L 83/07 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
C08F 299/08 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polysiloxanes
C08L 83/05 - Polysiloxanes containing silicon bound to hydrogen
C09J 183/05 - Polysiloxanes containing silicon bound to hydrogen
C09J 183/07 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
C09K 3/10 - Materials not provided for elsewhere for sealing or packing joints or covers
H01L 23/24 - Fillings characterised by the material, its physical or chemical properties, or its arrangement within the complete device solid or gel, at the normal operating temperature of the device
H01L 23/28 - Encapsulation, e.g. encapsulating layers, coatings
58.
LAMINATE, MANUFACTURING METHOD THEREOF, AND MANUFACTURING METHOD OF ELECTRONIC COMPONENT
[Problem] The purpose of the present invention is to provide a laminate which, on a substrate, comprises a gel layer which, before curing, has excellent heat resistance, a low elastic coefficient, low stress, excellent stress buffering and flexibility, is soft and has excellent holdability of electronic components, etc., and which, after curing, changes to a hard cured layer which has better shape retention than before curing and excellent releasability; and to provide a manufacturing method of said laminate. A further purpose of the present invention is to provide an electronic component manufacturing method which is not prone to cause problems such as that of deposits of the silicone gel, or cured product thereof, on the substrate or electronic component, and which is not prone to cause problems such as defects in electronic components or defective products. [Solution] A laminate provided with a curing reactive silicone gel layer on at least one type of substrate, and a use thereof.
H01L 21/301 - Treatment of semiconductor bodies using processes or apparatus not provided for in groups to subdivide a semiconductor body into separate parts, e.g. making partitions
H01L 23/29 - Encapsulation, e.g. encapsulating layers, coatings characterised by the material
H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement
59.
CURABLE ORGANOPOLYSILOXANE COMPOSITION, AND PROTECTION AGENT OR ADHESIVE COMPOSITION FOR ELECTRICAL/ELECTRONIC COMPONENTS
[Problem] To provide: a curable organopolysiloxane composition which has excellent initial adhesiveness improvement effect with respect to various substrates even in a small amount and in the form of a thin layer, and which enables the achievement of high bonding strength after curing, while particularly exhibiting excellent bonding durability; and the like. [Solution] A curable organopolysiloxane composition which contains: (A) an organopolysiloxane having at least two alkenyl groups; (B) a trialkoxysilyl group-containing siloxane having one silicon atom-bonded hydrogen atom in each molecule, while having at least one trialkoxysilyl group; (C) a chain or cyclic organopolysiloxane having two silicon atom-bonded hydrogen atoms in each molecule; (D) a chain organopolysiloxane having at least three silicon atom-bonded hydrogen atoms in each molecule; (E) a catalyst for hydrosilylation reactions; (F) a catalyst for condensation reactions; and (G) a bonding accelerator.
Process of preparing a silicone rubber suspension, comprising following steps: 1) a step of preparing emulsion, comprising the components: a) 100 parts by mass of an organosiloxane with viscosity between 20mPa · s and 1,000 mPa- s at 25 °C, having at least two silicone atom-bonded hydroxyl groups in a molecule; b) 3.0 - 10.0 parts by mass of organoalkoxysilane or partially hydrolysate thereof; c) 2.0 - 10.0 parts by mass of alkyl silicate; d) 0.001 - 1.5 parts by mass of a surfactant; and e) 50 - 200 parts by mass of water; 2) a step of mixing the emulsion with following components: f) condensation reaction catalyst, g) 1.0 - 30.0 parts by mass of a surfactant; and h) 0 - 10 parts by mass of water.
The room temperature curable organopolysiloxane composition for protecting electric/electronic parts, comprising: (A) an organopolysiloxane having a viscosity at 25°C of 20 to 1,000,000 mPa・s and having at least two silicon atom-bonded hydroxyl groups or silicon atom-bonded alkoxy groups in a molecule; (B) an alkoxysilane represented by the following general formula or a partial hydrolysis condensation product thereof: R1aSi(OR2)(4-a) wherein R1 is a monovalent hydrocarbon group having a carbon number of 1 to 12, R2 is an alkyl group having a carbon number of 1 to 3, and "a" is an integer of 0 to 2; (C) a mercaptobenzothiazole based compound; (D) zinc oxide powder and/or zinc carbonate powder; and (E) a catalyst for condensation reactions, can protect electric/electronic parts from corrosive gases such as hydrogen sulfide gas and sulfuric acid contained in the atmosphere.
Provided is a curable particulate silicone composition that is hot-meltable, that has excellent handling workability and curing properties, that also has excellent gap fill properties when melted, and that gives cured objects that have excellent flexibility and resilience from room temperature to high temperatures of about 150°C. Also provided are pellets or the like that are formed by molding the curable particulate silicone composition. A curable particulate silicone composition that is characterized by containing: (A) hot-meltable silicone fine particles that that have a softening point of 30°C or higher and that have a hydrosilylatable group and/or a radical-reactive group; (B) an inorganic filler (fine particles) that does not substantially include coarse particles that have an average particle diameter of 10.0 μm or higher; and (C) a curing agent. The curable particulate silicone composition is also characterized in that, when cured, the curable particulate silicone composition gives a cured object that has a storage modulus of 2000 MPa or lower at 25°C and of 100 MPa or lower at 150°C. A use for the curable particulate silicone composition.
C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
C08K 3/00 - Use of inorganic substances as compounding ingredients
H01L 21/56 - Encapsulations, e.g. encapsulating layers, coatings
H01L 23/29 - Encapsulation, e.g. encapsulating layers, coatings characterised by the material
H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement
63.
CURABLE PARTICULATE SILICONE COMPOSITION, OPTICALLY REFLECTIVE MATERIAL COMPRISING CURABLE PARTICULATE SILICONE COMPOSITION, AND PRODUCTION METHOD FOR OPTICALLY REFLECTIVE MATERIAL COMPRISING CURABLE PARTICULATE SILICONE COMPOSITION
Provided is a curable particulate silicone composition that is hot-meltable, that has excellent handling workability and curing properties, and that gives cured objects that have high optical reflectance for the visible wavelength range and excellent flexibility and resilience from room temperature to high temperatures of about 150°C. Also provided is a use for the curable particulate silicone composition. A curable particulate silicone composition that is characterized by containing: (A) hot-meltable silicone fine particles that have a softening point of 30°C or higher and that have a hydrosilylatable group and/or a radical-reactive group; (B) an inorganic filler that does not substantially include coarse particles that have an average particle diameter of 5 μm or higher; and (C) a curing agent. The curable particulate silicone composition is also characterized in that, when cured, the curable particulate silicone composition gives a cured object that has a storage modulus of 2000 MPa or lower at 25°C and of 100 MPa or lower at 50°C and that, at a thickness of 100 μm, has an optical reflectance of 90% or higher at wavelengths of 450 nm and, ideally, 700 nm. A use for the curable particulate silicone composition.
Provided is a curable particulate silicone composition that is hot-meltable, that has excellent handling workability and curing properties with respect to overmold molding and the like, and that gives cured objects that have excellent rigidity and resilience from room temperature to high temperatures of about 250°C. Also provided are: pellets or the like that are formed by molding the curable particulate silicone composition; and a use for the pellets or the like. A curable particulate silicone composition that is characterized by containing: (A) 100 parts by mass of hot-meltable silicone fine particles that have a softening point of 30°C or higher and that have a hydrosilylatable group and/or a radical-reactive group; (B) 100-4000 parts by mass of an inorganic filler (fine particles); and (C) a curing agent. The curable particulate silicone composition is also characterized in that, when cured, the curable particulate silicone composition gives a cured object that has a mean coefficient of linear expansion of 30 ppm/°C or lower over a temperature range of 25-200°C and that has a storage modulus (G'-50) at -50°C and a storage modulus (G'250) at 250°C that have a ratio (G'-50/G'250) of 1/1-1/50. A use for the curable particulate silicone composition.
C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
C08K 3/00 - Use of inorganic substances as compounding ingredients
H01L 21/56 - Encapsulations, e.g. encapsulating layers, coatings
H01L 23/29 - Encapsulation, e.g. encapsulating layers, coatings characterised by the material
H01L 23/31 - Encapsulation, e.g. encapsulating layers, coatings characterised by the arrangement
H01L 25/07 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices all the devices being of a type provided for in the same subgroup of groups , or in a single subclass of , , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 25/18 - Assemblies consisting of a plurality of individual semiconductor or other solid state devices the devices being of types provided for in two or more different subgroups of the same main group of groups , or in a single subclass of ,
65.
SILICONE RUBBER COMPOSITION AND COMPOSITE MADE THEREFROM
The silicone rubber composition of the present invention comprises: (A) an organopolysiloxane having at least two alkenyl groups in a molecule and free of an aryl group; (B) (B-1) an organosiloxane having in a molecule at least one aryl group, at least one silicon-bonded hydrogen atom, and free of an alkenyl group, or a mixture of components (B-1) and (B-2) an organosiloxane having in a molecule at least one aryl group and at least one alkenyl group; (C) an acrylic compound or a methacrylic compound; (D) an organopolysiloxane having at least two silicon-bonded hydrogen atoms in a molecule and free of an aryl group and an alkenyl group; and (E) a hydrosilylation reaction catalyst. The silicone rubber composition exhibits excellent adhesive properties with respect to diverse organic resins it comes into contact with during its cure, and at the same time possesses excellent mold-release properties with respect to metal dies used for its molding.
An agent for treating a powder for a cosmetic, said agent having as the main ingredient a reactive organosiloxane represented by general formula (1). (In the formula, R1 each independently are C1-30 alkyl groups. R2 each independently are C1-20 alkyl groups. R3 is a divalent alkylene group. n is an integer of 1-200, and p is an integer of 1-3.) The invention provides a cosmetic powder treatment agent capable of imparting excellent lipophilicity, a cosmetic raw material having a cosmetic effect that gives an excellent feel on use, and a cosmetic.
Silicone particles in which the content of silicon atom-bonded hydrogen atoms per unit mass is 300 ppm or lower and the silicon atom in the siloxane constituting the silicone particle is crosslinked to another silicon atom by a C4-20 alkylene group. The silicone particles provide cosmetics having an excellent feel on use and high-performance coatings and electronic materials containing the silicone particles and having excellent dispersibility.
C08G 77/50 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages
A61K 8/891 - Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
A61Q 1/02 - Preparations containing skin colorants, e.g. pigments
A61Q 1/12 - Face or body powders, e.g. for grooming, adorning or absorbing
A61Q 17/04 - Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
A detergent composition comprises a trisiloxane having at least one carbinol functional group. The trisiloxane comprises the reaction product of (A) an initial trisiloxane and (B) an organic compound. Component (A) has a pendant silicon-bonded functional group selected from a hydrogen atom, an epoxy-containing group, an ethylenically unsaturated group, and an amine group. Typically, component (A) is free of certain terminal silicon-bonded functional groups and is free of polyoxyalkylene groups. Component (B) has a functional group reactive with the pendant silicon-bonded functional group of component (A), and has at least one hydroxyl functional group. The trisiloxane may be of the following general formula (I): (R13SiO1/2)(R1R3SiO2/2)(R13SiO1/2) (I). In formula (I), each R1 is an independently selected hydrocarbyl group. R3 may be selected from the groups (i) to (x) described herein, each of the groups having at least one carbinol group. Typically, the trisiloxane has 1-6 carbinol groups.
An organosilane having formula (I) X-A-Z, wherein X is -SiR4nR2(3-n), where each R4 is independently OR1 or halogen, wherein each R1 is independently hydrogen or C1-10 hydrocarbyl and each R2 is independently C1-10 hydrocarbyl, and n is from 1 to 3, A is C1-10 hydrocarbylene, wherein the backbone of the hydrocarbylene is substituted and the substitution comprises one or more oxygen atoms, one or more nitrogen atoms, or carbonyl, Z is a sugar group, a diglycerol group, a polyglycerol group, or a xylitol group, methods of making the organosilane of formula (I), and applications of the organosilane of formula (I).
A composition comprising: an organosilane having formula (I) (I) X-A-Z, wherein X is -SiR4nR2(3-n) wherein each R4 is independently OR1 or halogen, wherein each R1 in independently hydrogen or C1-4 hydrocarbyl and each R2 is independently C1-4 hydrocarbyl, and n is from 1 to 3, A is C1-10 hydrocarbylene, wherein the backbone of the hydrocarbylene is substituted with one or more oxygen atoms, one or more nitrogen atoms, or carbonyl, Z is a sugar group, a monoglycerol group, a diglycerol group, a polyglycerol group, or a xylitol group, and wherein the composition is a personal care composition, surface treating composition, an antifog composition, a coating composition, a surface treated powder, a paint composition, or an ink composition.
A61K 8/58 - Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing atoms other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur or phosphorus
A61Q 17/04 - Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
71.
CARBINOL FUNCTIONAL TRISILOXANE AND METHOD OF FORMING THE SAME
A trisiloxane having at least one carbinol functional group comprises the reaction product of (A) an initial trisiloxane and (B) an organic compound. Component (A) has a pendant silicon-bonded functional group selected from a hydrogen atom, an epoxy-containing group, an ethylenically unsaturated group, and an amine group. Typically, component (A) is free of certain terminal silicon-bonded functional groups and is free of polyoxyalkylene groups. Component (B) has a functional group reactive with the pendant silicon-bonded functional group of component (A), and has at least one hydroxyl functional group. The trisiloxane is useful for a number of applications including use as a detergent additive. The trisiloxane may be of the following general formula (I): (R13SiO1/2)(R1R3SiO2/2)(R13SiO1/2) (I). In formula (I), each R1 is an independently selected hydrocarbyl group. R3 may be selected from the groups (i) to (iv) described herein. Typically, the trisiloxane has 1-6 carbinol groups.
C07F 7/08 - Compounds having one or more C—Si linkages
A01N 25/30 - Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
[Problem] To provide a flexible laminate for which increased flexibility and improved durability can coexist, and a flexible display provided with same. [Solution] A flexible laminate, which has at least one unit of a laminated structure in which two hard layers adhere closely to each other with at least one intermediate layer therebetween, and in which, when the flexible laminate is bent, respective neutral planes are formed inside the hard layers that adhere closely to each other with the intermediate layer therebetween. The flexible laminate satisfies the following expression: a×ln(tanδ×ET/0.01)≥100 (in the expression, a is any value 200-2000, tanδ represents a loss factor for the substance configuring the intermediate layer, and ET represents the elastic modulus (MPa) of the substance configuring the intermediate layer).
G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
H05B 33/28 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode of translucent electrodes
73.
NOVEL ORGANOPOLYSILOXANE OR ACID NEUTRALIZATION SALT THEREOF, AND USES OF THESE
A purpose of the present invention is to provide a novel silicone material which contains neither a polyoxyalkylene structure nor the like and has a PEG-free structure and which, despite this, has excellent surface-active performance and properties required of oils. The silicone material enables ionicity management and viscosity management, which have been difficult to attain with conventional hydrophilic silicone materials, and has properties peculiar to oils. The silicone material greatly extends the degree of freedom of formulating or designing by a formulation-design engineer. Another purpose is to provide uses of the novel silicone material. The silicone material according to the present invention is a novel organopolysiloxane or an acid neutralization salt thereof, the organopolysiloxane containing a hydrophilic group which has been bonded as a pendant group to the molecular chain and which contains a tertiary amine structure and is represented by the formula -CqH2q-O-CH2-CH(OH)-CH2-N(RQ1)(RQ2) (wherein q is a number in the range of 1-6; and RQ1 and RQ2 are each an optionally halogen-substituted, monovalent hydrocarbon group or alkanol group which has no nitrogen-atom-containing functional group, either RQ1 or RQ2 has one or more hydroxyl groups, and RQ1 and RQ2 have up to three hydroxyl groups in total).
C08G 77/26 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen nitrogen-containing groups
A61K 8/898 - Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
The purpose of the present invention is to provide a highly dielectric film that is formed of a fluoroalkyl-group-containing organopolysiloxane cured product and that is characterized in that the dielectric constant thereof is high, and that the film is substantially flat and uniform in the width direction of the film, as well as to provide usages thereof and a manufacturing method therefor. With the highly dielectric film formed of the fluoroalkyl-group-containing organopolysiloxane cured product, in the width direction of the film, the difference between the thickness at an end and the thickness at the center is 5.0% or less, and the thickness at the film center falls within a range of 50-1000 μm. Such a film may be provided with a primer layer and a planarization layer, and the film may be obtained by means of rolling and may also be obtained by means of curing performed between separators provided with separation layers.
H01B 3/46 - Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes silicones
The purpose of the present invention is to provide: a grease composition, which has excellent damping characteristics, for which there is almost no problem of oil separation even at high temperature, which has excellent lubrication performance, and when applied to noise-generating areas that configure a mechanical device, can reduce noise generated from the mechanical device; a sliding member using same; etc. [Solution] A grease composition which: contains 100 parts by mass of (A) an aryl group-containing polyorganosiloxane and 1-50 parts by mass of (B) an acrylic block copolymer with a weight average molecular weight of 10,000-1,000,000 and a molecular weight distribution [ratio (Mw/Mn) of weight average molecular weight (Mw) to number average molecular weight (Mn)] of 1.5 or less; contains the component (B) in a range of 1-40 mass% of the composition as a whole; and may contain (C) solid particles.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 143/04 - Lubricating composition characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing propene
C10N 20/04 - Molecular weight; Molecular weight distribution
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
The photocurable silicone composition of the present invention comprises: (A) an organopolysiloxane represented by the average composition formula: R1aR2bSiO(4-a-b)/2, wherein, R1 is an alkenyl group having from 2 to 12 carbons, R2 is an alkyl group having from 1 to 12 carbons, an aryl group having from 6 to 12 carbons, or an aralkyl group having from 7 to 12 carbons; provided that, at least 30 mol% of R2 are the aryl groups or the aralkyl groups; and "a" and "b" are positive numbers satisfying: 1 ≤ a + b ≤ 2.5 and 0.001 ≤ a/(a + b) ≤ 0.2; (B) an organic compound having at least two ether bonds and at least one aliphatic carbon-carbon double bond in a molecule; (C) a compound having at least two thiol groups in a molecule; (D) a photoradical initiator having a phosphorus atom; and (E) a hindered phenol compound. The present composition solves a problem in that the part where the light is shielded stays uncured, suppresses reduction in transmittance due to coloring or haze at high temperatures or in high temperature/high humidity conditions, and achieves excellent coatability.
This invention relates to a silicone rubber composition for textile coating, the silicone rubber composition comprising: (A) an organopolysiloxane having at least two alkenyl groups in a molecule and having a viscosity at 25°C of 100 to 1000000 mPa・s; (B) an organopolysiloxane represented by the average unit formula; (C) hydrosilylation catalyst; (D) a reinforcing silica fine powder; (E) an organotitanium compound and/or an organozirconium compound; and (F) an alkoxysilane having an epoxy group and/or an alkoxysilane having a methacryl group or acryl group. The silicone rubber composition for textile coating that makes it difficult to form openings even when a large tension is applied to the textile.
D06M 15/643 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
C08L 83/05 - Polysiloxanes containing silicon bound to hydrogen
C08L 83/06 - Polysiloxanes containing silicon bound to oxygen-containing groups
C08L 83/07 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
D06M 13/51 - Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
D06M 13/513 - Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
78.
GREASE COMPOSITION, MACHINE COMPONENT, AND STARTER OVERRUNNING CLUTCH
Provided is a silicone grease composition, in which a silicone oil (A) contains, as an extreme-pressure additive, a zinc salt (B) including, in a mass ratio of 1:99 to 99:1, a zinc dialkyldithiophosphate (B1) and a zinc dialkyldithiocarbamate (B2), such that the silicone grease composition has high friction characteristics and abrasion characteristics.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 107/50 - Lubricating compositions characterised by the base-material being a macromolecular compound containing silicon
C10M 117/00 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
C10M 135/18 - Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10M 141/10 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic phosphorus-containing compound
F16D 7/02 - Slip couplings, e.g. slipping on overload, for absorbing shock of the friction type
Provided is a silicone grease composition, in which a silicone oil (A) contains a zinc dialkyldithiocarbamate (BX) as an extreme-pressure additive and essentially does not contain a zinc dialkyldithiophosphate (BX), such that the silicone grease composition has high friction characteristics and abrasion characteristics.
C10M 169/00 - Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
C10M 107/50 - Lubricating compositions characterised by the base-material being a macromolecular compound containing silicon
C10M 117/00 - Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
C10M 135/18 - Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10M 141/06 - Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being an organic nitrogen-containing compound
F16C 33/66 - Special parts or details in view of lubrication
The purpose of the present invention is to provide a flexible laminate in which it is possible to realize both flexibility and durability, and a flexible display using the flexible laminate. A flexible laminate (12) characterized in having one or more units of a laminate structure in which two hard layers (14, 16) sandwiching one or more intermediate layers (22) are bonded together to constitute one unit, the intermediate layer (22) being viscoelastic, and when the flexible laminate (12) is curved, a neutral plane is formed on each of the inner portions of the hard layers (14, 16) that are bonded together so as to sandwich the intermediate layer (22).
Provided is a foamed silicone sheet which can exhibit excellent bubble-removability, has good adhesion to an object to which the sheet is to be attached, has good sealability, maintains the ability to exhibit these effects even when the thickness of the sheet is reduced, can preferably exhibit a stable modulus of elasticity over a low to high temperature range, and can have a low level of compression set in both a low-temperature range and a high-temperature range. Also, provided is a foamed silicone sheet composite having such a foamed silicone sheet. Furthermore, provided is a method for producing such a foamed silicone sheet. The foamed silicone sheet according to the present invention has a thickness of 10-3000 μm and an open-cell structure in which the open-cell proportion is 90% or more, the average cell size is 1-50 μm, and 90% or more of all cells have a cell size of 80 μm or less.
C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
A sponge-forming liquid silicone rubber composition which forms a low-density sponge having a uniform and fine open cell structure, and which is composed at least of (A) an organopolysiloxane having at least two alkenyl groups in each molecule, (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms in each molecule, (C) a mixture of water and an inorganic thickening agent, (D) a surfactant that is composed of a nonionic surfactant having an HLB value of 3 or more and a nonionic surfactant having an HLB value of less than 3, (E) a hydrosilylation catalyst and (F) a curing retardant.
C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
Provided is a sliding member (excluding those used for an image formation device) such that a good coefficient of friction is maintained and generation of scraping sounds (noise) caused by a continuously sliding member can be reduced. Additionally, the purpose of the present invention is to provide a component and a machine device which use the same, and a method for reducing noise generated from the machine device. The purpose of the present invention is also to provide a coating agent composition for such a sliding member. The sliding member (excluding those used for an image formation device) has a lubricating film that comes into contact with other members, the surface of the lubricating film having an arithmetic average roughness Ra of 0.01 to 1.0 μm in accordance with JIS B0601 (2001), and the lubricating film including at least (A) 100 parts by mass of a film-forming resin binder and (B) 5 to 200 parts by mass of a solid lubricant. A drive component and the like (excluding those used for image formation devices) according to the present invention include the sliding member.
C10M 171/00 - Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredien
C10M 103/00 - Lubricating compositions characterised by the base-material being an inorganic material
This invention relates to a curable organopolysiloxane composition comprising: (A) an alkenyl group-containing organopolysiloxane, (B) a compound having at least two thiol groups in a molecule, (C) an azo compound and/or an organic peroxide, and (D) at least one type of compound selected from a group consisting of quinone compounds, compounds having one or two aromatic hydroxyl groups in a molecule, compounds having one thiol group in a molecule, nitrosamine compounds, hydroxylamine compounds, and phenothiazine compounds. The curable organopolysiloxane composition can be quickly cured even at a relatively low temperature of 80°C or lower to form a cured film with excellent adhesion to an object to be coated.
C08L 83/07 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
C08G 77/28 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen sulfur-containing groups
A composite silicone rubber particle which is characterized in that a part or entire surface of the silicone rubber particle is covered by a fine particle, the surface of which is modified by a functional group containing quaternary ammonium salt. The present invention relates to a manufacturing method of a composite silicone rubber particle and a dispersion and a cosmetic product composition using the composite silicone rubber particle. The composite silicone rubber particle which has hydrophilicity and dispersibility while maintaining excellent fluidity, contain no harmful methanol, and has antimicrobial activity.
This invention relates to an active energy ray curable hot melt silicone composition that is non-flowable at 25°C and has a viscosity of 1,000 Pa・s or less at 100°C, and that comprises: (A) a mixture of an organopolysiloxane having an aliphatic unsaturated bond-containing organic group and an organopolysiloxane having or not having an aliphatic unsaturated bond-containing organic group, (B) a compound having at least two mercapto groups in a molecule, and (C) a photoradical initiator.
Provided is a cosmetic composition that is formed of at least the following components: (A) 100 parts by weight of at least one vinyl polymer that has, in a side chain thereof, at least one carbosiloxane dendrimer group; (B) 0.1-30 parts by weight of a surfactant; and (X) water, wherein emulsified particles each formed of at least a component (A) and a component (B) are included in a water phase, and the weight-average molecular weight of the component (A) is at least 80,000. By mixing a vinyl-based polymer emulsion having a carbosiloxane dendrimer structure into a water phase according to the present invention, a cosmetic can be provided that is excellent in softness, smoothness of a finish or texture during usage, waterproofness, and makeup retaining properties.
A61K 8/81 - Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
The purpose of the present invention is to provide an organopolysiloxane emulsion that has a small particle diameter and remains stable over a prolonged period even when a low-polarity organosiloxane and a cationic surfactant are used. The oil-in-water type organopolysiloxane emulsion comprises at least: 100 parts by weight of a diorganopolysiloxane (A) having a viscosity of 2-100,000 mPa·s at 25°C; 0.5-30 parts by weight of a cationic surfactant (B); 0.1-10 parts by weight of a nonionic surfactant (C); and 11-550 parts by weight of water (D), wherein the contained amount of the component (C) is equal to or less than the amount of the component (B), and the component (A) has an average particle diameter of 600 nm or less in the emulsion.
A coating composition for a lubricating coating film includes: (A) a phenolic resin; (B) an epoxy resin having an epoxy equivalent weight of 600 to 4000; and (C) at least one type of solid lubricant. The epoxy equivalent weight is generally defined by the number average molecular weight per the number of epoxy groups in a single molecule. The coating composition has a weight ratio of component (A) to the total weight of component (A) and component (B) of at least 50 weight %. A lubricating coating film, formed from the coating composition, has a high level of flexibility on surfaces of various base materials.
C10M 107/38 - Lubricating compositions characterised by the base-material being a macromolecular compound containing halogen
F04B 35/00 - Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
F16J 1/01 - Pistons; Trunk pistons; Plungers characterised by the use of particular materials
F16N 15/00 - Lubrication with substances other than oil or grease; Lubrication characterised by the use of particular lubricants in particular apparatus or conditions
F16J 9/26 - Piston-rings, seats therefor; Ring sealings of similar construction in general characterised by the use of particular materials
F16D 69/00 - Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
C10M 145/28 - Polyoxyalkylenes of alkylene oxides containing 2 carbon atoms only
C10M 107/00 - Lubricating compositions characterised by the base-material being a macromolecular compound
C10M 107/30 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
C10M 107/32 - Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
C10M 107/40 - Lubricating compositions characterised by the base-material being a macromolecular compound containing nitrogen
C10M 111/04 - Lubricating compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being a macromolecular organic compound
C09D 5/00 - Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
Provided are cured silicone particles exhibiting excellent dispersion properties, and a cosmetic which imparts an excellent feeling upon use thereof. The cured silicone particles have an average particle diameter of 0.1-500μm, and are obtained by curing a curable silicone composition that contains at least components (A) through (C). (A) Polyorganosiloxane represented by average formula [RaRb2SiO(Rb2SiO)n]4Si. (B) (B-1) Polyorganosiloxane represented by average unit formula (Rc3SiO1/2)p(Rc2SiO2/2)q(RdSiO3/2)r and/or (B-2) polyorganosiloxane represented by average formula HRd2SiO(Rd2SiO)mSiRd2H. (C) Catalyst for use in hydrosilylation reaction.
C08G 77/50 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages
A61Q 1/00 - Make-up preparations; Body powders; Preparations for removing make-up
A61Q 17/02 - Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings containing insect repellants
[Problem] To provide: a novel polyether-polysiloxane block copolymer composition having excellent foam stabilizing properties, homogeneity in a premixed solution, and stability, and also having excellent compatibility with various components; a method for preparing the copolymer composition; a foam stabilizer and the like including the copolymer composition; and a polyurethane foam. [Solution] This polyether-polysiloxane block copolymer composition contains: (A) a polyether-polysiloxane block copolymer in which molecules have a structural unit represented by the following general formula (1), -[-SiR2O-(SiR2O)a-SiR2-CH2-CH(CH3)-CH2-O(CxH2xO)y-CH2-CH(CH3)-CH2-]n-, and the end group of which is an alkenyl group bonded to a polyether moiety; and (B) a liquid monool organic compound which is (B1) a glycol ether compound of low polymerization degree in which hydrogen at one end is substituted by a hydrocarbon group and which has a secondary alcoholic hydroxyl group at the other end thereof, or (B2) a higher alcohol compound having a branched alkyl group containing 12 or more carbon atoms, wherein the amount of dimethyl polysiloxane contained in the composition is less than the mass of component (A).
A61K 8/894 - Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
C08G 18/00 - Polymeric products of isocyanates or isothiocyanates
FLUOROALKYL-CONTAINING CURABLE ORGANOPOLYSILOXANE COMPOSITION, CURED OBJECT OBTAINED THEREFROM, AND ELECTRONIC COMPONENT OR DISPLAY DEVICE INCLUDING SAID CURED OBJECT
Provided are: a curable composition attaining a high permittivity and satisfactory transparency; a dielectric layer for display devices which is a cured object obtained from the curable composition; and a display device. Specifically, provided are: a fluoroalkyl-containing curable organopolysiloxane composition that comprises (A) a fluoroalkyl-containing organopolysiloxane which has at least two alkenyl groups in the molecule and an average degree of polymerization less than 150 and in which at least 10 mol% of all the substituents on the silicon atoms are accounted for by a specific fluoroalkyl group, (B) an organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms in the molecule, the amount of the component (B) being such that the amount of the silicon-bonded hydrogen atoms in the component (B) is 0.1-1.0 mol per mol of all the alkenyl groups contained in the component (A), (C) an effective amount of a catalyst for hydrosilylation, and (D) a solvent as an optional component; a cured object obtained from the fluoroalkyl-containing curable organopolysiloxane composition; and uses of the cured object.
C08L 83/08 - Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
C08L 83/05 - Polysiloxanes containing silicon bound to hydrogen
G06F 3/00 - Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
93.
ORGANOPOLYSILOXANE, PRODUCTION METHOD THEREOF, AND CURABLE SILICONE COMPOSITION
An organopolysiloxane represented by the following average unit formula: (R1SiO3/2)a (XR22SiO1/2)b (O1/2SiR22-Y-R22SiO1/2)c in the formula, R1 and R2 represent an alkyl group having from 1 to 12 carbons, aryl group having from 6 to 20 carbons, or aralkyl group having from 7 to 20 carbons; X represents an alkenyl group having from 2 to 12 carbons or a siloxane residue and Y represents a siloxane linking group, or X represents an alkenyl group having from 2 to 12 carbons or a silphenylene residue and Y represents a silphenylene linking group; and "a" is a number in a range of 0.65 to 0.90, "b" is a number in a range of 0.10 to 0.35, "c" is a number in a range of 0 to 0.10, and "a" + "b" + "c" = 1.00. The organopolysiloxane of the present invention has a siloxane residue or silphenylene residue having a silicon atom-bonded hydrogen atom in an organopolysiloxane resin block, and exhibits high refractive index and high transparency as well as excellent handleability.
C08G 77/50 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages
C08L 83/05 - Polysiloxanes containing silicon bound to hydrogen
C08L 83/07 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
94.
SILICONE PRESSURE-SENSITIVE ADHESIVE AND LAMINATE HAVING SILICONE PRESSURE-SENSITIVE ADHESIVE LAYER
This silicone pressure-sensitive adhesive comprises at least: (A) (A1) an organopolysiloxane having a molecular chain end of which at least 25 mol% is blocked with a hydroxy group bonded to a silicon atom or a hydrolyzable group bonded to a silicon atom, and having at least an average of one alkenyl group in each molecule, or a mixture of (A2) an organopolysiloxane having a molecular chain end that is blocked with a hydroxy group bonded to a silicon atom or a hydrolyzable group bonded to a silicon atom, and (A3) an organopolysiloxane having a molecular chain end that is blocked with a triorganosiloxy group and having at least an average of one alkenyl group in each molecule; (B) an organopolysiloxane having, in each molecule, at least three hydrogen atoms bonded to a silicon atom; and (C) a catalyst for a hydrosilylation reaction. The silicone pressure-sensitive adhesive forms a pressure-sensitive adhesive layer that exhibits little transfer to an adherend when rereleased.
This silicone pressure-sensitive adhesive comprises at least: (A) an organopolysiloxane that has a viscosity at 25 °C of 100-10,000 mPa·s, inclusive, and has at least two alkenyl groups in each molecule; (B) an organopolysiloxane that has a viscosity at 25 °C exceeding 10,000 mPa·s and has at least two alkenyl groups in each molecule; (C) an organopolysiloxane that has, in each molecule, at least three hydrogen atoms bonded to a silicon atom; and (D) a catalyst for a hydrosilylation reaction. The silicone pressure-sensitive adhesive forms a pressure-sensitive adhesive layer that exhibits little transfer to an adherend when rereleased.
This invention relates to a novel curable organopolysiloxane composition comprising: (A) an organopolysiloxane having at least two alkenyl groups in each molecule; (B) an organohydrogenpolysiloxane in an amount sufficient to provide a value of 1.1 : 1 to 10 : 1 (SiH: alkenyl group) for the molar ratio of silicon-bonded hydrogen atoms in the organohydrogenpolysiloxane to the alkenyl groups in the component (A), wherein the component (B) consists of the following components (B1) and (B2) at a mass ratio of (B1) / (B2) in the range from 100/0 to 15/85: (B1) an organohydrogenpolysiloxane having at least three silicon-bonded hydrogen atoms in each molecule and a silicon-bonded hydrogen content [Si-H] mass ％ satisfying the following equation: 0 < [Si-H] mass ％< 5/ (DP) 0.5 wherein DP designates the average number of siloxane units in each molecule calculated by the number average molecular weight of component (B1), and said DP is in the range from 5 to 1000; (B2) an organohydrogenpolysiloxane having at least one silicon-bonded hydrogen atom in each molecule, which is different from the component (B1); and (C) a hydrosilation reaction catalyst in a catalytic amount.
The curable granular silicone composition according to the present invention comprises at least: (A) hot-melt type silicone fine particles having a softening point of 30°C or higher and having hydrosilylation reactive groups and/or radical-reactive groups; (B) a filler which has no softening point or is not softened at or below the softening point of component (A); and (C) a curing agent, and preferably is in pellet form. This curable granular silicone composition has hot-melt properties and excellent handling characteristics and curability.
The primer composition according to the present invention comprises at least (A) an organosiloxane block copolymer represented by the average unit formula: (R12SiO2/2)a(R2SiO3/2)b, having resin-type siloxane blocks connected by linear siloxane blocks, and comprising 0.5-35.0 mol% of silicon atom-binding hydroxyl groups or silicon atom-binding alkoxy groups (in the formula, R1 and R2 each independently represents an alkyl group having 1-12 carbon atoms, an aryl group having 6-20 carbon atoms or an aralkyl group having 7-20 carbon atoms, a represents a number in the range 0.40-0.90, b represents a number in the range 0.10-0.60, and a + b = 1.00); (B) a curing catalyst; and (C) an organic solvent. The primer composition according to the present invention improves the adhesion of cured silicones to base materials of optical semiconductor elements, package materials, substrates and the like, and can suppress peeling or cracking of the cured silicones caused by heat cycles.
The present invention is a novel organopolysiloxane having a silicon-atom-bonded hydrogen atom at both ends of the molecular chain, and is represented by the general formula: HR12SiOSiR12-R3-R12SiO(R22SiO)mSiR12-R2-R12SiOSiR12H. (In the formula, R1 and R2 each independently represent a C1-12 alkyl group, a C6-20 aryl group, or a C7-20 aralkyl group, wherein at least 10 mol% of all R2s is said aryl group; R3s each independently represent a C2-6 alkylene group; and m is an integer of 5 or greater.)
C08G 77/50 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages
C08L 83/05 - Polysiloxanes containing silicon bound to hydrogen
C08L 83/07 - Polysiloxanes containing silicon bound to unsaturated aliphatic groups
C08L 83/14 - Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Compositions of derivatives of such polymers in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
100.
SPONGE-FORMABLE SILICONE RUBBER COMPOSITION AND SILICONE RUBBER SPONGE
A sponge-formable silicone rubber composition of the present invention comprises (A) a polyorganosiloxane having at least two silicon-bonded alkenyl groups per molecule, (B) a polyorganosiloxane having at least two silicon-bonded hydrogen atoms per molecule, (C) water, (D) a thickening agent, (E) an emulsifier, (F) a halogen-containing ion conductor of an alkali metal, and (G) a hydrosilylation reaction catalyst. The sponge-formable silicone rubber composition can form a silicone rubber sponge having uniform and fine bubbles and having small distortion due to contraction after secondary vulcanization.
C08J 9/28 - Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
C08K 3/00 - Use of inorganic substances as compounding ingredients
patents
