The present invention relates to a process for the manufacture of a bipolar plate composition. The invention also relates to processes for the manufacture of bipolar plates by injection, extrusion or compression, starting from said composition, and also to the bipolar plates obtained by these processes.
H01M 10/54 - Récupération des parties utiles des accumulateurs usagés
C25B 11/036 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par la configuration ou la forme Électrodes bipolaires
C25B 11/04 - PROCÉDÉS ÉLECTROLYTIQUES OU ÉLECTROPHORÉTIQUES POUR LA PRODUCTION DE COMPOSÉS ORGANIQUES OU MINÉRAUX, OU DE NON-MÉTAUX; APPAREILLAGES À CET EFFET Électrodes; Leur fabrication non prévue ailleurs caractérisées par le matériau
H01M 4/86 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes inertes ayant une activité catalytique, p.ex. pour piles à combustible
The invention relates to a polymerizable photoinitiator, to a process for preparing a polymerizable photoinitiator, to a polymerizable composition comprising a polymerizable photoinitiator and an ethylenically unsaturated compound. The invention also relates to different uses of the polymerizable photoinitiator or polymerizable composition.
The invention relates to a polymerizable photoinitiator, to a process for preparing a polymerizable photoinitiator, to a polymerizable composition comprising a polymerizable photoinitiator and an ethylenically unsaturated compound. The invention also relates to different uses of the polymerizable photoinitiator or polymerizable composition.
C08F 2/50 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire par la lumière ultraviolette ou visible avec des agents sensibilisants
C09D 11/38 - Encres pour l'impression à jet d'encre caractérisées par des additifs non macromoléculaires autres que les solvants, les pigments ou les colorants
3.
POLYAMIDE COMPOSITION USEFUL FOR THE MANUFACTURE OF FILM FOR FOOD PACKAGING
The invention is directed in particular to a polyamide composition comprising:
(A) 70-99.9 wt. % of polyamide 6 and/or polyamide 66;
(B) 0.01-30 wt. % of at least one long chain semi-crystalline polyamide; and
(C) 0-30 wt. % of one or more additives,
it being understood that (A), (B) and (C) add up to 100 wt. %.
The invention is directed in particular to a polyamide composition comprising:
(A) 70-99.9 wt. % of polyamide 6 and/or polyamide 66;
(B) 0.01-30 wt. % of at least one long chain semi-crystalline polyamide; and
(C) 0-30 wt. % of one or more additives,
it being understood that (A), (B) and (C) add up to 100 wt. %.
It also concerns a process for its manufacture, its use for the manufacture of films, films comprising said polyamide compositions and their use for food packaging, the use of semi-crystalline long chain polyamide to improve the break stress of a film comprising polyamide 6 and/or polyamide 66 and a food packaging comprising said polyamide composition or said film.
C08F 293/00 - Composés macromoléculaires obtenus par polymérisation sur une macromolécule contenant des groupes capables d'amorcer la formation de nouvelles chaînes polymères rattachées exclusivement à une ou aux deux extrémités de la macromolécule de départ
B29C 64/40 - Structures de support des objets en 3D pendant la fabrication, lesdites structures devant être sacrifiées après réalisation de la fabrication
B29K 55/00 - Utilisation de polymères particuliers obtenus par des réactions de polymérisation faisant intervenir uniquement des liaisons non saturées carbone-carbone, non prévus dans un seul des groupes principaux , comme matière de moulage
C08F 220/06 - Acide acrylique; Acide méthacrylique; Leurs sels métalliques ou leurs sels d'ammonium
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
5.
Thermoplastic polymer powder for 3D printing with improved stability and recyclability
The present invention relates to a polymer powder for the manufacture of articles by 3D printing, particularly by sintering, comprising a thermoplastic polymer and a particular antioxidant having improved stability and recyclability. The invention also relates to a process for preparing this powder and to the use thereof in a process for manufacturing by sintering, and to the articles manufactured from said powder.
B29K 45/00 - Utilisation de polymères de composés cycliques non saturés ne contenant pas de groupes aliphatiques non saturés dans une chaîne latérale, p.ex. résines coumarone-indène, comme matière de moulage
B29K 77/00 - Utilisation de polyamides, p.ex. polyesteramides, comme matière de moulage
B29K 105/00 - Présentation, forme ou état de la matière moulée
The present invention relates to a process for preparing at least one mercaptan, comprising the following steps:
i) treatment of a catalyst for the sulfhydrolysis of at least one dialkyl sulfide, preferably a zeolite, said treatment comprising the following steps:
1) heating said catalyst, preferably in the presence of an inert gas; and
2) placing said catalyst in contact with hydrogen sulfide (H2S); and then
ii) a sulfhydrolysis reaction in which at least one dialkyl sulfide is reacted with H2S in the presence of said catalyst treated according to step i), to obtain at least one mercaptan;
said catalyst being a zeolite.
C07C 319/06 - Préparation de thiols, de sulfures, d'hydropolysulfures ou de polysulfures de thiols à partir de sulfures, d'hydropolysulfures ou de polysulfures
7.
MULTILAYER STRUCTURE FOR TRANSPORTING OR STORING HYDROGEN
Multilayer structure intended for the transportation, for the distribution and for the storage of hydrogen, including, from the inside toward the outside, at least one leaktightness layer (1) and at least one composite reinforcing layer (2), said innermost composite reinforcing layer being wound around said outermost adjacent leaktightness layer (1), said leaktightness layers having a composition predominantly including: at least one aliphatic polyamide thermoplastic polymer P1i, i=1 to n, n being the number of semicrystalline leaktightness layers, the Tm of which, as measured according to ISO 11357-3: 2013, is greater than 200° C., with the exclusion of a polyether block amide (PEBA), said polyamide thermoplastic polymer being a polyamide exhibiting a mean number of carbon atoms per nitrogen atom of from 7 to 9, up to 30% by weight of impact modifier, up to 1.5% by weight of plasticizer, said composition being devoid of nucleating agent.
The present invention relates to a process for the preparation of a composition of organic peroxides comprising the mixture of at least one peroxydicarbonate and of at least one peroxyester, preferably at least one hydroxyperoxyester; said composition being prepared before being brought into contact with one or more monomers comprising ethylenic unsaturations, preferably one or more halogenated vinyl monomers, and more preferentially vinyl chloride.
The present invention relates to a process for the preparation of a composition of organic peroxides comprising the mixture of at least one peroxydicarbonate and of at least one peroxyester, preferably at least one hydroxyperoxyester; said composition being prepared before being brought into contact with one or more monomers comprising ethylenic unsaturations, preferably one or more halogenated vinyl monomers, and more preferentially vinyl chloride.
The invention also relates to a process for the polymerization of one or more ethylenically unsaturated monomers successively comprising the preparation of the composition, as defined above, and bringing said composition into contact with one or more ethylenically unsaturated monomers.
The present invention relates to non-halogenated and non-metal polymerizable flame retardants, their preparation, compositions containing the same and uses thereof. These flame retardants may be polymerized with other ethylenically unsaturated compounds and chemically bound to the resin matrix thus limiting their migration out of the finished product. The flame retardants of the invention are also more environmentally friendly than conventional halogen-based or metal-based flame retardants.
C08G 18/46 - Polycondensats contenant des groupes ester carboxylique ou carbonique dans la chaîne principale contenant des hétéro-atomes autres que l'oxygène
C08G 18/10 - Procédés mettant en œuvre un prépolymère impliquant la réaction d'isocyanates ou d'isothiocyanates avec des composés contenant des hydrogènes actifs, dans une première étape réactionnelle
10.
METHOD FOR PREPARING MERCAPTANS WITH SULFHYDROLYSIS OF PURIFIED DIALKYL SULFIDES
The present invention relates to a process for preparing at least one mercaptan, comprising the following steps:
A) H2S and at least one alcohol are introduced into a first reactor;
B) the H2S and said at least one alcohol are reacted to obtain an outlet stream comprising at least one mercaptan, at least one dialkyl sulfide and at least one dialkyl disulfide (DADS) and possibly unreacted H2S;
C) said outlet stream obtained from step B) is separated into:
a stream F1 comprising the mercaptan(s),
a stream F2 comprising the dialkyl sulfide(s) and the DADS(s), and
optionally a stream F3 comprising H2S;
D) a purification step is performed on stream F2 in order to separate:
a stream F2′ comprising the dialkyl sulfide(s); and
the DADS(s);
E) stream F2′ is introduced with H2S into a second reactor;
F) a sulfhydrolysis reaction of the dialkyl sulfide(s) with H2S is performed to obtain an outlet stream F4 comprising said mercaptan(s), and possibly unreacted H2S;
G) optionally, stream F4 obtained from step F) is recycled into step A).
C07C 319/08 - Préparation de thiols, de sulfures, d'hydropolysulfures ou de polysulfures de thiols par remplacement de groupes hydroxy ou de groupes hydroxy éthérifiés ou estérifiés
The present invention relates to a proton exchange membrane, to the process for preparing said membrane, and to the application of said membrane in fields requiring ion exchange, such as effluent purification and electrochemistry or in energy fields. In particular, this membrane is used in the design of fuel cell membranes.
H01M 8/10 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Éléments à combustible; Leur fabrication Éléments à combustible avec électrolytes solides
H01M 8/1023 - Matériaux d’électrolyte polymère caractérisés par la structure chimique de la chaîne principale du polymère conducteur ionique comprenant uniquement du carbone, p.ex. des polyarylènes, des polystyrènes ou des polybutadiène-styrènes
H01M 8/1044 - Mélanges de polymères dont l'un au moins est un conducteur ionique
H01M 8/1058 - Matériaux d’électrolyte polymère caractérisés par un support poreux n’ayant pas de propriétés conductrices ioniques
H01M 8/1067 - Matériaux d’électrolyte polymère caractérisés par leurs propriétés physiques, p.ex. la porosité, la conductivité ionique ou l’épaisseur
H01M 8/1086 - Post-traitement de la membrane autrement que par polymérisation
12.
EASILY RECYCLABLE PIGMENTED PULVERULENT COMPOSITION FOR COATING SUBSTRATES
A pigmented pulverulent composition based on polyamide for coating substrates, including: (a) 40% to 99% by weight of at least one polyamide, (b) 1% to 30% by weight of at least one pigment, and (c) 0% to 30% by weight of at least one additive, wherein the polyamide has an inherent viscosity, as measured using an Ubbelohde tube at 20° C. on a 0.5% by weight solution in m-cresol according to standard ISO 307 but with a measuring temperature of 20° C. rather than 25° C., of more than 0.7 (g/100 g)−1, and wherein the composition has a volume-median diameter Dv50, as measured according to standard ISO 9276—parts 1 to 6, of 10 to 200 μm. A process for manufacturing the composition, the use thereof for coating a—metallic—substrate, and an object comprising a metallic substrate coated with a coating obtained with the pigmented pulverulent composition based on polyamide.
The present invention relates to a process for the production of hydrogen peroxide by the cyclic Auto-Oxydation-process comprising the two alternate steps of: hydrogenation of a working solution in the presence of a catalyst, wherein said working solution contains at least one quinone dissolved in at least one organic solvent, to obtain at least one corresponding hydroquinone; and oxidation of said at least one hydroquinone; characterized in that the organic solvent has the formula (I):
The present invention relates to a process for the production of hydrogen peroxide by the cyclic Auto-Oxydation-process comprising the two alternate steps of: hydrogenation of a working solution in the presence of a catalyst, wherein said working solution contains at least one quinone dissolved in at least one organic solvent, to obtain at least one corresponding hydroquinone; and oxidation of said at least one hydroquinone; characterized in that the organic solvent has the formula (I):
The present invention relates to a process for the production of hydrogen peroxide by the cyclic Auto-Oxydation-process comprising the two alternate steps of: hydrogenation of a working solution in the presence of a catalyst, wherein said working solution contains at least one quinone dissolved in at least one organic solvent, to obtain at least one corresponding hydroquinone; and oxidation of said at least one hydroquinone; characterized in that the organic solvent has the formula (I):
wherein R1 is an aryl group comprising from 6 to 18 carbon atoms and R2 is an alkyl group comprising from 1 to 8 carbon atoms, when R2 is a methyl group, R1 is different from phenyl.
Disclosed herein is a heat transfer composition containing 1,1,2-trifluoroethylene and carbon dioxide, and possibly additional compounds, as well as heat transfer compositions containing the heat transfer fluid and methods of using the heat transfer fluid to reduce environmental impacts of heat transfer apparatuses. Heat apparatus configured to contain the heat transfer fluid are also disclosed.
C09K 5/04 - Substances qui subissent un changement d'état physique lors de leur utilisation le changement d'état se faisant par passage de l'état liquide à l'état vapeur ou vice versa
15.
AZEOTROPIC OR QUASI-AZEOTROPIC COMPOSITION COMPRISING CHLOROTRIFLUOROETHYLENE AND/OR 1,1,2-TRIFLUOROETHANE
The present invention relates to an azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and at least one of the compounds selected from the group consisting of 1,1,2-trifluoroethane, 1,1-difluoroethane and a mixture of the two. The present invention also relates to an azeotropic or quasi-azeotropic composition comprising 1,1,2-trifluoroethane and at least one of the compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 1-chloro-1,1,2-trifluoroethane and a mixture of the two.
The present invention relates to a process for producing trifluoroethylene in a reactor provided with a fixed catalytic bed comprising a catalyst, said process comprising the steps of: a) reacting chlorotrifluoroethylene with hydrogen in the presence of the catalyst and in the gas phase to produce a stream A comprising trifluoroethylene; b) treating said stream A under conditions sufficient to produce a stream D1 comprising 1,1,2-trifluoroethane in a content of less than 15% by weight on the basis of the total weight of said stream D1, c) recycling stream D1 to step a).
A composition including: (a) 30% to 99.8% by weight by weight of recycled material from a used single-layer and/or multilayer tube and/or tank having initially transported or contained motor vehicle fluids, the tube and/or the tank having a composition which predominantly includes at least one polyamide, the used tube and/or the used tank having been ground into granules and the fluid residues present in the tube and/or tank having been totally or partially extracted, (b) up to 70% of a semicrystalline aliphatic polyamide, (c) up to 0.2% of an additive, the polyamide of the used tube and/or the used tank having functions resulting from oxidation reactions chosen from the primary amide functions, nitriles, terminal methyl groups, alkenes, formamides, imides, carboxylic acids and alcohols and mixtures thereof, in a mole ratio greater than that of the same polyamide constituting a non-used tube and/or tank which has not yet transported or contained motor vehicle fluids.
A composition including at least one thermoplastic polyurethane and at least one copolymer containing polyamide blocks and polyether blocks comprising amine chain ends, the composition having a tensile modulus at 23° ° C. of less than or equal to 170 MPa. Also, a composition obtained by the reaction of at least one copolymer containing polyamide blocks and polyether blocks comprising amine chain ends and of at least one thermoplastic polyurethane or of thermoplastic polyurethane precursors, processes for preparing such compositions and articles made therefrom.
B29C 35/02 - Chauffage ou durcissement, p.ex. réticulation ou vulcanisation
B29C 45/00 - Moulage par injection, c. à d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule fermé; Appareils à cet effet
B29K 75/00 - Utilisation de polyurées ou de polyuréthanes comme matière de moulage
The present invention relates to a molding composition comprising, by weight:
a) 20% to 60% of at least one long-chain aliphatic polyamide having a number of carbon atoms per nitrogen atom of greater than or equal to 9,
said at least one polyamide having an inherent viscosity in solution of less than or equal to 1.3, as determined in accordance with the standard ISO 307:2007 at a temperature of 20° C.,
b) 40% to 75% of glass fibers, and
c) 0% to 5% by weight, by weight of at least one additive,
the sum of the proportions of each constituent of said composition being equal to 100%,
with the exclusion of an amorphous polyamide and a microcrystalline polyamide.
B29B 7/48 - Mélange; Malaxage continu, avec dispositifs mécaniques de mélange ou de malaxage avec dispositifs de mélange ou de malaxage mobiles rotatifs avec plus d'un arbre à dispositifs à engrènement, p.ex. à vis qui s'engrènent
B29K 77/00 - Utilisation de polyamides, p.ex. polyesteramides, comme matière de moulage
B29K 105/12 - Présentation, forme ou état de la matière moulée contenant des agents de renforcement, charges ou inserts de longueur réduite, p.ex. filaments coupés, fibres coupées ou crins
The invention relates to an organic peroxide emulsion comprising at least one organic peroxide, at least one emulsifier comprising at least one nonionic surfactant comprising at least one fatty chain and having an HLB of less than or equal to 18, at least one antifreeze with a dynamic viscosity at 20° C. ranging from 40 mPa·s to 100 mPa·s, and water. The invention also relates to a process for preparing such an emulsion, to the use of such an emulsion for the polymerization or copolymerization of one or more ethylenically unsaturated monomers, and also to a halogenated vinyl polymer obtained by using such an emulsion.
The present invention relates to a composition for blow-molding or extrusion, in particular blow-molding, comprising by weight: a) from 88 to 99.95%, more particularly from 89 to 99.9%, in particular from 93 to 99.9%, of at least one semicrystalline aliphatic polyamide having a carbon number per nitrogen atom of greater than or equal to 7, more particularly greater than or equal to 8, b) from 0.05% to 10%, more particularly from 0.1% to 9%, in particular from 0.1% to 5% by weight of at least one branching agent chosen from polyepoxides, polyanhydrides, more particularly polymaleic anhydrides and polyepoxides, c) from 0 to 2% of at least one additive, more particularly from 0.1 to 2%, the composition having, after compounding, a melt viscosity of from 10 000 to 300 000 Pa·s, preferably from 15 000 to 220 000 Pa·s, as measured in plane-plane geometry according to standard 6721-10:2015 at a temperature of 250° C., a frequency of 0.292 rad/s and a deformation of 2%, the sum of the constituents a)+b)+c) making 100% by weight.
C08L 77/00 - Compositions contenant des polyamides obtenus par des réactions créant une liaison amide carboxylique dans la chaîne principale; Compositions contenant des dérivés de tels polymères
B29C 49/00 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet
B29C 49/22 - Moulage par soufflage, c. à d. en soufflant une préforme ou une paraison dans un moule pour obtenir la forme désirée; Appareils à cet effet de préformes ou de paraisons multicouches
B29K 77/00 - Utilisation de polyamides, p.ex. polyesteramides, comme matière de moulage
B29K 105/00 - Présentation, forme ou état de la matière moulée
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/30 - Produits stratifiés composés essentiellement de résine synthétique comprenant une résine acrylique
B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
C08L 77/06 - Polyamides dérivés des polyamines et des acides polycarboxyliques
22.
COMPOSITIONS BASED ON POLYAMIDES AND GLASS FIBERS AND USE THEREOF IN THE MEDICAL FIELD
The present invention relates to a molding composition comprising, by weight:
a) 20% to 60%, especially from 20% to 50%, in particular 25% to 39.9%, of at least one long-chain aliphatic polyamide having a number of carbon atoms per nitrogen atom of greater than or equal to 9, in particular greater than or equal to 10,
The present invention relates to a molding composition comprising, by weight:
a) 20% to 60%, especially from 20% to 50%, in particular 25% to 39.9%, of at least one long-chain aliphatic polyamide having a number of carbon atoms per nitrogen atom of greater than or equal to 9, in particular greater than or equal to 10,
said at least one polyamide having an inherent viscosity in solution of less than or equal to 1.3, in particular less than or equal to 1.25, as determined in accordance with the standard ISO 307:2007 at a temperature of 20° C.,
b) 40% to 75% of glass fibers, especially from 50% to 75%, in particular from 60% to 70%, of glass fibers, and
c) 0% to 5% by weight, preferably 0.1% to 5% by weight, of at least one additive, the sum of the proportions of each constituent of said composition being equal to 100%.
A61L 2/07 - Procédés ou appareils de désinfection ou de stérilisation de matériaux ou d'objets autres que les denrées alimentaires ou les lentilles de contact; Accessoires à cet effet utilisant des phénomènes physiques de la chaleur des gaz chauds de la vapeur
A61L 2/28 - Dispositifs pour tester l'efficacité ou l'intégralité de la stérilisation, p.ex. indicateurs qui changent de couleur
B29C 45/00 - Moulage par injection, c. à d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule fermé; Appareils à cet effet
B29K 77/00 - Utilisation de polyamides, p.ex. polyesteramides, comme matière de moulage
C08K 5/098 - Sels métalliques d'acides carboxyliques
The invention relates to a method for controlling the temperature of a battery in an electric or hybrid motor vehicle by means of a system comprising a vapor compression circuit in which flows a first heat transfer composition comprising 2,3,3,3-tetrafluoropropene, and a secondary circuit in which flows a second heat transfer composition comprising 1-chloro-3,3,3-trifluoropropene that has a ratio of the Z form to the E form of less than or equal to 9, the method involving: —heat exchange between the battery and the second heat transfer composition; —heat exchange between the second heat transfer composition and the first heat transfer composition. The invention also relates to a system for carrying out said method.
H01M 10/6569 - Fluides qui subissent un changement ou une transition de phase liquide-gaz, p.ex. évaporation ou condensation
H01M 4/02 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes composées d'un ou comprenant un matériau actif
H01M 4/505 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de manganèse d'oxydes ou d'hydroxydes mixtes contenant du manganèse pour insérer ou intercaler des métaux légers, p.ex. LiMn2O4 ou LiMn2OxFy
H01M 4/525 - Emploi de substances spécifiées comme matériaux actifs, masses actives, liquides actifs d'oxydes ou d'hydroxydes inorganiques de nickel, de cobalt ou de fer d'oxydes ou d'hydroxydes mixtes contenant du fer, du cobalt ou du nickel pour insérer ou intercaler des métaux légers, p.ex. LiNiO2, LiCoO2 ou LiCoOxFy
A composition including, relative to the total weight of the composition, from 40% to 95% by weight of at least one copolymer containing polyamide blocks and polyether blocks and from 5% to 60%, by weight, of at least one thermoplastic polyurethane, the composition having a tensile modulus at 23° C. of less than or equal to 150 MPa. Also, a composition obtained by the reaction of at least one copolymer containing polyamide blocks and polyether blocks and of at least one thermoplastic polyurethane or of thermoplastic polyurethane precursors, processes for preparing such compositions and articles made therefrom.
A composition including at least one thermoplastic polyurethane and at least one polyamide comprising amine chain ends, wherein the polyamide is the reaction product of one or more monomers chosen from amino acids or aminocarboxylic acids, lactams and monomers resulting from the reaction between an aliphatic diamine and a dicarboxylic acid. Also, a composition obtained by the reaction of at least one thermoplastic polyurethane or thermoplastic polyurethane precursors and of at least one polyamide comprising amine chain ends, processes for preparing such compositions and articles made therefrom.
C08G 18/12 - Procédés mettant en œuvre un prépolymère impliquant la réaction d'isocyanates ou d'isothiocyanates avec des composés contenant des hydrogènes actifs, dans une première étape réactionnelle utilisant plusieurs composés contenant un hydrogène actif dans le premier stade de la polymérisation
B29C 45/00 - Moulage par injection, c. à d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule fermé; Appareils à cet effet
B29K 75/00 - Utilisation de polyurées ou de polyuréthanes comme matière de moulage
B29K 77/00 - Utilisation de polyamides, p.ex. polyesteramides, comme matière de moulage
C08G 18/42 - Polycondensats contenant des groupes ester carboxylique ou carbonique dans la chaîne principale
C08G 69/48 - Polymères modifiés par post-traitement chimique
C08L 75/06 - Polyuréthanes à partir des polyesters
C08L 77/02 - Polyamides dérivés des acides oméga-aminocarboxyliques ou de leurs lactames
C08L 77/06 - Polyamides dérivés des polyamines et des acides polycarboxyliques
C08L 87/00 - Compositions contenant des composés macromoléculaires non spécifiés, obtenus autrement que par des réactions de polymérisation ne faisant intervenir que des liaisons non saturées carbone-carbone
The present invention relates generally to the field of electrical energy storage in secondary batteries of Li-ion type. More specifically, the invention relates to a binder in the form of a powder based on a homogeneous mixture of fluoropolymers. The invention also relates to a number of processes for preparing said binder. Lastly, the invention relates to an electrode comprising said binder, and also to Li-ion secondary batteries comprising at least one such electrode.
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p.ex. batteries à insertion ou intercalation de lithium dans les deux électrodes; Batteries à l'ion lithium
H01M 4/02 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes composées d'un ou comprenant un matériau actif
The present invention relates to a proton exchange membrane, to the process for preparing said membrane, and to the application of said membrane in fields requiring ion exchange, such as effluent purification and electrochemistry or in energy fields. In particular, this membrane is used in the design of fuel cell membranes.
H01M 8/1039 - Matériaux d’électrolyte polymère halogénés, p.ex. des fluorures de polyvinylidène sulfonés
H01M 8/10 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Éléments à combustible; Leur fabrication Éléments à combustible avec électrolytes solides
H01M 8/1023 - Matériaux d’électrolyte polymère caractérisés par la structure chimique de la chaîne principale du polymère conducteur ionique comprenant uniquement du carbone, p.ex. des polyarylènes, des polystyrènes ou des polybutadiène-styrènes
H01M 8/103 - Matériaux d’électrolyte polymère caractérisés par la structure chimique de la chaîne principale du polymère conducteur ionique comprenant de l’azote, p.ex. des polybenzimidazoles sulfonés [S-PBI], des polybenzimidazoles comprenant de l’acide phosphorique, des polyamides sulfonés [S-PA] ou des polyphosphazènes sulfonés
H01M 8/1032 - Matériaux d’électrolyte polymère caractérisés par la structure chimique de la chaîne principale du polymère conducteur ionique comprenant du soufre, p.ex. des polyéthersulfones sulfonés [S-PES]
H01M 8/1044 - Mélanges de polymères dont l'un au moins est un conducteur ionique
H01M 8/1072 - Matériaux d’électrolyte polymère caractérisés par le procédé de fabrication par des réactions chimiques, p.ex. polymérisation in situ ou réticulation in situ
The present invention relates to a curable composition comprising an ethylenically unsaturated compound and a specific photoinitiator having dual initiation mechanisms. The invention also relates to a process for the preparation of a cured product, in particular a 3D-printed article, with this composition and to the use of this composition for obtaining an ink, a coating, a sealant, an adhesive, a molded article or a 3D-printed article. The invention further pertains to the use of a specific phosphine oxide photoinitiator in a 3D printing composition or 3D printing process.
C08F 2/50 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire par la lumière ultraviolette ou visible avec des agents sensibilisants
A61K 8/81 - Cosmétiques ou préparations similaires pour la toilette caractérisés par la composition contenant des composés organiques macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons insaturées carbone-carbone
The present invention deals with a composition comprising at least one aromatic peroxide comprising at least one aromatic ring and at least one peroxo function in its structure, as defined hereinafter, and at least one compound having an ether group.
C08G 63/40 - Polyesters obtenus à partir de dérivés, formateurs d'esters, d'acides polycarboxyliques ou de composés polyhydroxylés autres que leurs esters
The invention relates to a process for recycling lithium salts contained in the electrolyte of a used lithium battery, which involves supplying an electrolyte stream comprising at least one lithium salt, at least one electrolyte solvent and water; at least one step of extracting the at least one lithium salt by adding a first solvent to the electrolyte stream to recover a phase comprising the at least one lithium salt on one side and a lithium salt-depleted phase on the other side.
The present invention deals with a composition comprising at least one aromatic peroxide comprising at least one aromatic ring and at least one peroxo function in its structure, as defined hereinafter, and at least hydrogen peroxide.
Composition comprising at least one aromatic peroxide and at least one ketone peroxide The present invention deals with a composition comprising at least one aromatic peroxide comprising at least one aromatic ring and at least one peroxo function in its structure, as defined hereinafter, and at least one ketone peroxide.
A multilayer structure, intended for the transportation, for the distribution or for the storage of a gas, in particular hydrogen, including, from the inside toward the outside, N composite reinforcing layer(s), deposited on one another, and being of a fibrous material in the form of continuous fibers which is impregnated by a composition of at least one semicrystalline thermoplastic polymer P1, the M.p. of which, as measured according to ISO 11357-3:2013, is greater than or equal to 150° C., or at least one amorphous thermoplastic polymer, the Tg of which is greater than 80° C., N being of from 1 to 2000 layers, and an outer sealing layer (1) cohesive with the outermost composite reinforcing layer (2) and including a composition of the at least one thermoplastic polymer P1, the composition of the outer sealing layer (1) resulting from at least the outermost composite reinforcing layer (2) cohesive with the sealing layer.
Provided is a compound which may be obtained by esterification condensation of components as described herein. The compound may be used as a collector for ore enrichment (flotation), as a corrosion inhibitor, as a viscosity enhancer, emulsifier or stabilizer that is useful for the oil and gas industry, as a clay modifier, as an adhesion promoter, as an antiagglomerant additive, as an additive in haircare products, as a fabric softener, as an antistatic agent in polymers, as a bitumen emulsion additive, as a detergency cationic agent, as a fertilizer additive, as an antiagglomerant for hydrates, as a lubrication or adhesion-promoting additive, for example.
C08G 63/685 - Polyesters contenant des atomes autres que le carbone, l'hydrogène et l'oxygène contenant de l'azote
B03D 1/01 - Composés organiques contenant de l'azote
C07C 217/28 - Composés contenant des groupes amino et hydroxy éthérifiés liés au même squelette carboné ayant des groupes hydroxy éthérifiés et des groupes amino liés à des atomes de carbone acycliques du même squelette carboné le squelette carboné étant acyclique et saturé ayant un groupe amino et au moins deux atomes d'oxygène liés par des liaisons simples, dont au moins un fait partie d'un groupe hydroxy éthérifié, liés au squelette carboné, p.ex. éthers de polyhydroxyamines
The present invention relates to novel Norrish Type II photoinitiators which may be liquid or easily solubilized at room temperature. The invention also relates to compositions comprising these photoinitiators as well as their use for photopolymerizing ethylenically unsaturated compounds or solubilizing other photoinitiators.
C08F 2/50 - Polymérisation amorcée par énergie ondulatoire ou par rayonnement corpusculaire par la lumière ultraviolette ou visible avec des agents sensibilisants
C08F 222/20 - Esters contenant de l'oxygène en plus de l'oxygène de la fonction carboxyle
C09D 11/101 - Encres spécialement adaptées aux procédés d’imprimerie mettant en œuvre la réticulation par énergie ondulatoire ou par radiation de particules, p.ex. réticulation par UV qui suit l’impression
C09D 11/107 - Encres d’imprimerie à base de résines artificielles contenant des composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone à partir d'acides non saturés ou de leurs dérivés
C09D 11/30 - Encres pour l'impression à jet d'encre
36.
HYDROGEN STORAGE BY MEANS OF LIQUID ORGANIC COMPOUNDS
The present invention relates to the use of a formulation which is liquid at ambient temperature comprising at least a mixture of benzene, toluene and xylene for the fixing and the release of hydrogen in at least one hydrogenation/dehydrogenation cycle of said formulation.
The present invention relates to the use of a formulation which is liquid at ambient temperature comprising at least a mixture of benzene, toluene and xylene for the fixing and the release of hydrogen in at least one hydrogenation/dehydrogenation cycle of said formulation.
The invention also relates to the use of said formulation for the transportation and the handling of hydrogen resulting from the steam cracking of petroleum products, of inevitable hydrogen resulting from chemical reactions, such as the electrolysis of salt, or of hydrogen resulting from the electrolysis of water.
C01B 3/00 - Hydrogène; Mélanges gazeux contenant de l'hydrogène; Séparation de l'hydrogène à partir de mélanges en contenant; Purification de l'hydrogène
37.
METHOD FOR MAKING TELECHELIC FLUORIDE-BASED POLYMERS
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE DE MONTPELLIER (France)
ECOLE NATIONALE SUPERIEURE DE CHIMIE DE MONTPELLIER (France)
Inventeur(s)
Devisme, Samuel
Bonnet, Anthony
Ameduri, Bruno
Eid, Nadim
Abrégé
The invention relates to a method of polymerizing at least one fluorinated monomer comprising an ethylene bond, the method comprising putting in contact the at least one fluorinated monomer with a polymerization initiator and a chain transfer agent, the chain transfer agent being a polysulfide compound, preferably a disulfide compound. The invention also relates to a telechelic fluoride-based polymer obtained with said method.
The present invention relates to a magnetic composite material characterized in that it comprises:
The present invention relates to a magnetic composite material characterized in that it comprises:
4% to 30% by weight of a copolymer,
The present invention relates to a magnetic composite material characterized in that it comprises:
4% to 30% by weight of a copolymer,
70% to 96% by weight of magnetic powder,
The present invention relates to a magnetic composite material characterized in that it comprises:
4% to 30% by weight of a copolymer,
70% to 96% by weight of magnetic powder,
0% to 5% by weight of at least one coupling agent,
The present invention relates to a magnetic composite material characterized in that it comprises:
4% to 30% by weight of a copolymer,
70% to 96% by weight of magnetic powder,
0% to 5% by weight of at least one coupling agent,
0% to 5% by weight of at least one additive,
The present invention relates to a magnetic composite material characterized in that it comprises:
4% to 30% by weight of a copolymer,
70% to 96% by weight of magnetic powder,
0% to 5% by weight of at least one coupling agent,
0% to 5% by weight of at least one additive,
where the sum of the copolymer, the magnetic powder, the coupling agent and the additive is 100% by weight, said copolymer consisting of:
The present invention relates to a magnetic composite material characterized in that it comprises:
4% to 30% by weight of a copolymer,
70% to 96% by weight of magnetic powder,
0% to 5% by weight of at least one coupling agent,
0% to 5% by weight of at least one additive,
where the sum of the copolymer, the magnetic powder, the coupling agent and the additive is 100% by weight, said copolymer consisting of:
at least one unit (A) chosen from a polyamide unit,
The present invention relates to a magnetic composite material characterized in that it comprises:
4% to 30% by weight of a copolymer,
70% to 96% by weight of magnetic powder,
0% to 5% by weight of at least one coupling agent,
0% to 5% by weight of at least one additive,
where the sum of the copolymer, the magnetic powder, the coupling agent and the additive is 100% by weight, said copolymer consisting of:
at least one unit (A) chosen from a polyamide unit,
at least one monocarboxylic acid unit (B),
The present invention relates to a magnetic composite material characterized in that it comprises:
4% to 30% by weight of a copolymer,
70% to 96% by weight of magnetic powder,
0% to 5% by weight of at least one coupling agent,
0% to 5% by weight of at least one additive,
where the sum of the copolymer, the magnetic powder, the coupling agent and the additive is 100% by weight, said copolymer consisting of:
at least one unit (A) chosen from a polyamide unit,
at least one monocarboxylic acid unit (B),
at least one diamine unit (C),
The present invention relates to a magnetic composite material characterized in that it comprises:
4% to 30% by weight of a copolymer,
70% to 96% by weight of magnetic powder,
0% to 5% by weight of at least one coupling agent,
0% to 5% by weight of at least one additive,
where the sum of the copolymer, the magnetic powder, the coupling agent and the additive is 100% by weight, said copolymer consisting of:
at least one unit (A) chosen from a polyamide unit,
at least one monocarboxylic acid unit (B),
at least one diamine unit (C),
at least one triamine unit (D),
The present invention relates to a magnetic composite material characterized in that it comprises:
4% to 30% by weight of a copolymer,
70% to 96% by weight of magnetic powder,
0% to 5% by weight of at least one coupling agent,
0% to 5% by weight of at least one additive,
where the sum of the copolymer, the magnetic powder, the coupling agent and the additive is 100% by weight, said copolymer consisting of:
at least one unit (A) chosen from a polyamide unit,
at least one monocarboxylic acid unit (B),
at least one diamine unit (C),
at least one triamine unit (D),
optionally at least one polyetheramide unit (E),
where the sum of the constituents A, B, C, D and E is 100% by weight relative to the total weight of the copolymer.
C08G 69/26 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés de polyamines et d'acides polycarboxyliques
C08G 69/40 - Polyamides contenant de l'oxygène sous forme de groupes éther
The invention relates to a composition of a solid electrolyte which makes possible the manufacture of a film exhibiting a very good compromise between ion conductivity, electrochemical stability, high-temperature stability and mechanical strength. This film is intended for a separator application, in particular for Li-ion batteries. The invention also relates to a Li-ion battery comprising such a separator.
H01M 10/0565 - Matériaux polymères, p.ex. du type gel ou du type solide
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p.ex. batteries à insertion ou intercalation de lithium dans les deux électrodes; Batteries à l'ion lithium
H01M 50/403 - Procédés de fabrication des séparateurs, des membranes ou des diaphragmes
The invention relates to the use of a composition comprising at least one semi-crystalline copolyamide A/X1Y in which: —A is a repeat unit obtained from the polycondensation of at least one C6 to C12 lactam, or at least one repeat unit XY obtained from the polycondensation of at least one aliphatic C4 to C18 diamine (X), and of at least one aliphatic C6 to C18, in particular C6 to C12, dicarboxylic acid (Y), —X1Y is a repeat unit obtained from the polycondensation of a diamine (X1) chosen from an arylamine, a cycloaliphatic diamine and a branched aliphatic diamine and of at least one aliphatic dicarboxylic acid (Y) identical to that of the unit XY, the A/X1Y weight ratio being from 60/40 to 95/5, glass fibres having a circular cross section, and optionally at least one impact modifier and/or at least one additive, for limiting warping while at the same time maintaining the cycle time of the obtained composition suitable for processing thereof, in particular by injection moulding.
C08J 5/04 - Renforcement des composés macromoléculaires avec des matériaux fibreux en vrac ou en nappes
C08G 69/26 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés de polyamines et d'acides polycarboxyliques
C08L 77/06 - Polyamides dérivés des polyamines et des acides polycarboxyliques
The present invention relates to a liquid formulation comprising an amount greater than or equal to 50% by weight of benzyl toluene and an amount less than or equal to 10 ppm by weight of at least one hydrocarbon having a molar mass less than or equal to 100 g mol−1. The invention also relates to the use of said formulation, comprising an amount less than or equal to 10 ppm by weight of light hydrocarbon, as LOHC for producing hydrogen.
C01B 3/00 - Hydrogène; Mélanges gazeux contenant de l'hydrogène; Séparation de l'hydrogène à partir de mélanges en contenant; Purification de l'hydrogène
The present invention relates to compounds obtainable by esterification condensation of: A/ at least one alkoxylated fatty amine of formula (I), or of the product of partial or complete quaternization of said alkoxylated fatty amine of formula (I): in which R1, AO, B, n, m, s and y are as defined in the description, B/ with at least one dicarboxylic acid, or a derivative thereof, of formula (II) as follows: in which D and RA are as defined in the description, C/ with at least one (alkyl)alkanolamine derivative of formula (III) or of the product of partial or complete quaternization of said (alkyl)alkanolamine derivative of formula (III) as follows: in which A″O, u, u′ and R7 are as defined in the description, and D/ with at least one fatty acid of formula (V) as follows: in which R11 is as defined in the description. The invention further relates to the use of said compound as a surfactant, biocide, corrosion inhibitor or wetting agent in the fields of hygiene, cosmetics, detergents, human and animal health, agrochemicals, the textile industry, the mining industry, the fertilizer industry, the bitumen industry, road construction, road maintenance, sealing, the water treatment industry, and more generally the chemical, petroleum and gas industries.
The invention relates to a coating based on a fluoro acrylate polymer latex comprising inorganic particles, said coating exhibiting a very good compromise between, on the one hand, dry adhesion and adhesion in the wet state, and, on the other hand, between adhesion and ionic conductivity. This coating is intended for a separator application, in particular for Li-ion batteries. The invention also relates to a Li-ion battery comprising a separator covered with such a coating.
C09D 151/00 - Compositions de revêtement à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone; Compositions de revêtement à base de dérivés de tels polymères
C08F 259/08 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères de monomères contenant des halogènes tels que définis dans le groupe sur des polymères contenant du fluor
H01G 11/06 - Condensateurs hybrides avec une des électrodes permettant de doper les ions de façon réversible, p.ex. condensateurs lithium-ion
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p.ex. batteries à insertion ou intercalation de lithium dans les deux électrodes; Batteries à l'ion lithium
H01M 50/403 - Procédés de fabrication des séparateurs, des membranes ou des diaphragmes
The present invention relates to a method of improving the incorporation of recycled bituminous products by using at least one surfactant as an alternative to the known rejuvenating oils, for the preparation of asphalt mixes containing recycled bituminous products. The use of such alternative surfactant(s) results in better mechanical properties of the asphalt mix, while using smaller amounts of fresh bitumen and greater amounts of recycled bituminous products.
C04B 40/00 - Procédés, en général, pour influencer ou modifier les propriétés des compositions pour mortiers, béton ou pierre artificielle, p.ex. leur aptitude à prendre ou à durcir
The invention relates to a process for the continuous synthesis of a compound of formula (II) Br—(CH2)n+2—COOR, comprising a stage consisting of:
(a) the hydrobromination of a compound of formula (I) CH2═CH—(CH2)n—COOR:
where, in the formulae (I) and (II), n is an integer of between 7 and 9, and R is chosen from H or a linear or branched alkyl radical comprising from 1 to 10 carbon atoms, in particular methyl, ethyl, isopropyl or propyl,
with HBr in the presence of a radical initiator and of at least one solvent;
said process being characterized in that the reaction is carried out in the absence of benzene and of toluene and in that, in stage (a), the HBr is injected into the reaction mixture in the gaseous form and in stoichiometric excess.
C07C 51/363 - Préparation d'acides carboxyliques, de leurs sels, halogénures ou anhydrides par des réactions ne créant pas de groupes carboxyle par substitution d'atomes d'halogène par des atomes d'autres halogènes
C07C 227/08 - Formation de groupes amino dans des composés contenant des groupes carboxyle par des réactions d'addition ou de substitution, sans augmentation du nombre d'atomes de carbone dans le squelette carboné de l'acide par réaction d'ammoniac ou d'amines avec des acides contenant des groupes fonctionnels
C08G 69/08 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés d'acides aminocarboxyliques
The invention relates to detergent formulations comprising at least one secondary alcohol alkoxylate, and to the use of said at least one secondary alcohol alkoxylate as a surfactant in a detergent formulation to lower the foaming power thereof.
A method for controlling the temperature of a battery in an electric or hybrid motor vehicle by means of a system including a vapor compression circuit in which a first heat transfer composition flows, and a secondary circuit in which a second heat transfer composition flows, the method involving: —heat exchange between the battery and the second heat transfer composition; —heat exchange between the second heat transfer composition and the first heat transfer composition; wherein the battery includes at least one electrochemical cell having a negative electrode, a positive electrode and an electrolyte including a lithium salt composition, the lithium salt composition including: —at least 99.75% by weight of a lithium salt of bis(fluorosulfonyl)imide; —chlorides Cl—at a mass content strictly less than 20 ppm. Also a system for carrying out the method.
C09K 5/04 - Substances qui subissent un changement d'état physique lors de leur utilisation le changement d'état se faisant par passage de l'état liquide à l'état vapeur ou vice versa
H01M 10/0568 - Matériaux liquides caracterisés par les solutés
The invention concerns an additive manufacturing process by extrusion for forming a three-dimensional part with an additive manufacturing machine comprising a nozzle, the process comprising:
i) providing a pseudo-amorphous composition having a glass temperature Tg;
ii) softening the composition at a softening temperature above Tg and below 300° C. to form a softened composition which is fluid enough to flow and, extruding the softened composition from the nozzle to form an extruded part section; and,
iii) solidifying the extruded part section;
wherein the composition is based on a homopolymer or a copolymer of poly-ether-ketone-ketone, consisting of: at least an isophthalic (I) repeating unit, having the formula:
The invention concerns an additive manufacturing process by extrusion for forming a three-dimensional part with an additive manufacturing machine comprising a nozzle, the process comprising:
i) providing a pseudo-amorphous composition having a glass temperature Tg;
ii) softening the composition at a softening temperature above Tg and below 300° C. to form a softened composition which is fluid enough to flow and, extruding the softened composition from the nozzle to form an extruded part section; and,
iii) solidifying the extruded part section;
wherein the composition is based on a homopolymer or a copolymer of poly-ether-ketone-ketone, consisting of: at least an isophthalic (I) repeating unit, having the formula:
and, in the case of the copolymer, a terephthalic (T) repeating unit, having the formula:
The invention concerns an additive manufacturing process by extrusion for forming a three-dimensional part with an additive manufacturing machine comprising a nozzle, the process comprising:
i) providing a pseudo-amorphous composition having a glass temperature Tg;
ii) softening the composition at a softening temperature above Tg and below 300° C. to form a softened composition which is fluid enough to flow and, extruding the softened composition from the nozzle to form an extruded part section; and,
iii) solidifying the extruded part section;
wherein the composition is based on a homopolymer or a copolymer of poly-ether-ketone-ketone, consisting of: at least an isophthalic (I) repeating unit, having the formula:
and, in the case of the copolymer, a terephthalic (T) repeating unit, having the formula:
wherein the molar proportion of T units relative to the sum of the T and I units ranges from 0% to 45% or from 55% to 65%.
C09D 161/16 - Polymères de condensation obtenus uniquement à partir d'aldéhydes ou de cétones avec des phénols de cétones avec des phénols
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
C08G 65/40 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques dérivés des phénols à partir des phénols et d'autres composés
C09D 11/102 - Encres d’imprimerie à base de résines artificielles contenant des composés macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone
49.
EMULSION POLYMER COMPOSITIONS AND USE THEREOF IN LOW ODOR WATERPROOFING COATINGS
The invention relates to aqueous polymer dispersions comprising polymerized units issued from the following monomers with related weight proportions based on 100 parts of weight of a)+b): a) 50 to 90% of a monoethylenically unsaturated non-ionic monomer, b) 10 to 50% of vinyl aromatic monomer or methyl methacrylate, c) 1 to 5% of a hydroxy-containing (meth)acrylate, d) 0.1 to 3% of acid monomer selected from d1) acid monomer selected from monocarboxylic or dicarboxylic acid monomers and d2) acid monomer selected from phosphorous-based or sulfur-based strong acid monomers or/and their salts, or from the mixtures of d1) and d2), e) 0.001 to 0.5% of chain transfer agent, and f) 0 to 1% one of internal crosslinker bearing at least two copolymerisable ethylenic unsaturations, the polymer having a Tg measured by DSC from −30 to 0° C. and a gel content of 0 to 60%, formed during polymerization.
C08F 230/02 - Copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et contenant du phosphore, du sélénium, du tellure ou un métal contenant du phosphore
C08F 220/06 - Acide acrylique; Acide méthacrylique; Leurs sels métalliques ou leurs sels d'ammonium
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
C08F 220/20 - Esters des alcools polyhydriques ou des phénols polyhydriques
C08F 236/02 - Copolymères de composés contenant plusieurs radicaux aliphatiques non saturés et l'un au moins contenant plusieurs liaisons doubles carbone-carbone le radical ne contenant que deux doubles liaisons carbone-carbone
C08K 3/013 - Charges, pigments ou agents de renforcement
The invention relates to the manufacture of alkyl acrylates by direct esterification of acrylic acid with the corresponding alcohol. In particular, the invention relates to the use of a cracker in combination with a topping column equipped with a side draw-off allowing a stream rich in acidic impurities such as β-hydroxypropionic acid and β-acryloxypropionic acid to be drawn off during distillation of the crude reaction mixture, so as to produce an acrylic ester meeting purity standards compatible with its use for preparing acrylic polymers.
C07C 67/08 - Préparation d'esters d'acides carboxyliques par réaction d'acides carboxyliques ou d'anhydrides symétriques avec le groupe hydroxyle ou O-métal de composés organiques
C07C 67/54 - Séparation; Purification; Stabilisation; Emploi d'additifs par modification de l'état physique, p.ex. par cristallisation par distillation
The invention relates to an ionic liquid comprising an anion of formula (I) and at least one onium cation, said ionic liquid having a colour of less than 115 Hazen units on the APHA scale. The invention also relates to a method for purifying an ionic liquid comprising an anion of formula (I) and at least one onium cation.
H01M 10/0568 - Matériaux liquides caracterisés par les solutés
H01M 10/0525 - Batteries du type "rocking chair" ou "fauteuil à bascule", p.ex. batteries à insertion ou intercalation de lithium dans les deux électrodes; Batteries à l'ion lithium
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITE DE BORDEAUX (France)
INSTITUT POLYTECHNIQUE DE BORDEAUX (France)
UNIVERSITE GRENOBLE ALPES (France)
Inventeur(s)
Chevalier, Xavier
Sérégé, Matthieu
Gomes Correia, Cindy
Zelsmann, Marc
Fleury, Guillaume
Abrégé
The invention relates to a method of directional self-assembly lithography, said method comprising a step of depositing a block copolymer film on a layer (20) neutral with respect the block copolymer, said block copolymer film being for use as a lithography mask, said method being characterized in that it comprises the following steps of:
depositing said neutral layer (20) on a surface of a substrate (10), said neutral layer (20) being of the carbon or fluoro-carbon type deposited to a thickness greater than 1.5 times the thickness of the block copolymer film (40),
crosslinking said neutral layer,
depositing said block copolymer film, comprising at least one silylated block, on said crosslinked neutral layer (30),
subjecting the stack to an assembly temperature in order to nanostructure said block copolymer,
removing (G1) at least one of the nano-domains (41, 42) from the nanostructured block copolymer film (40), in order to create a pattern intended to be transferred by etching (G2, G3, G4) into the thickness of the substrate (10).
G03F 7/00 - Production par voie photomécanique, p.ex. photolithographique, de surfaces texturées, p.ex. surfaces imprimées; Matériaux à cet effet, p.ex. comportant des photoréserves; Appareillages spécialement adaptés à cet effet
The invention relates to detergent formulations comprising at least one secondary alcohol alkoxylate, and to the use of said at least one secondary alcohol alkoxylate as a surfactant having an improved hydrotropic power.
The present invention relates to an organic resin, in particular acrylic, vinyl or acrylic-vinyl, of low molecular weight and functionalized with carboxyl and carbonyl groups, and also to an aqueous dispersion comprising said organic resin and a crosslinking agent, for the preparation of a one-component crosslinkable coating composition with a high level of performance.
A composite article including at least one electronic system, integrated onto the surface or in the volume of a thermoplastic matrix. The electronic system includes at least one piezoelectric transducer and means for transmitting an electrical signal. The piezoelectric transducer includes a piezoelectric polymer essentially consisting of, or consisting of, repeating units derived from vinylidene fluoride (VDF) and vinylidene trifluoride (TrFE), the molar proportion of the unit derived from TrFE being from 15% to 50% relative to the total number of moles of the units derived from VDF and TrFE. Also, the use of the electronic system and to the use of the article.
C08L 33/12 - Homopolymères ou copolymères du méthacrylate de méthyle
B06B 1/06 - Procédés ou appareils pour produire des vibrations mécaniques de fréquence infrasonore, sonore ou ultrasonore utilisant l'énergie électrique fonctionnant par effet piézo-électrique ou par électrostriction
H10N 30/00 - Dispositifs piézo-électriques ou électrostrictifs
The present invention relates to a molding composition, comprising by weight:
(A) 38 to 87% of at least one semi-crystalline aliphatic polyamide,
(B) 3 to 25% of a hollow glass reinforcement,
(C) 5% to 30% glass fibers,
(D) 5 to 15% of at least one impact modifier chosen from a polyolefin, a polyether block amide (PEBA-1) and a mixture thereof, the polyolefin and the PEBA-1 having a flexural modulus less than 200 MPa, in particular less than 100 MPa, as measured according to standard ISO 178:2010, at 23° C.,
(E) 0 to 2% by weight of at least one additive,
the sum of the proportions of each constituent of said composition being equal to 100%,
the density of the composition being less than 1.12 g/cm3.
C08L 77/02 - Polyamides dérivés des acides oméga-aminocarboxyliques ou de leurs lactames
C08G 69/08 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés d'acides aminocarboxyliques
C08G 69/40 - Polyamides contenant de l'oxygène sous forme de groupes éther
The invention is targeted mainly at a polymer powder suitable for 3D printing by sintering, comprising:
(a) a polymer composition comprising at least one thermoplastic elastomer;
(b) a pigment composition comprising at least one pigment exhibiting an absorbance of the light with a wavelength of 1000 nm, as measured according to the standard ASTM E1790, of less than 50%; and also, if appropriate,
(c) one or more fillers or reinforcements; and
(d) one or more additional additives.
The invention is targeted mainly at a polymer powder suitable for 3D printing by sintering, comprising:
(a) a polymer composition comprising at least one thermoplastic elastomer;
(b) a pigment composition comprising at least one pigment exhibiting an absorbance of the light with a wavelength of 1000 nm, as measured according to the standard ASTM E1790, of less than 50%; and also, if appropriate,
(c) one or more fillers or reinforcements; and
(d) one or more additional additives.
The invention is also targeted at a process for the preparation of said powder and also at the use of said powder for 3D printing by sintering. Finally, it is targeted at the use of a pigment exhibiting an absorbance of the light with a wavelength of 1000 nm, as measured according to the standard ASTM E1790, of less than 50% to improve the definition and/or the mechanical properties of the articles printed by a process of 3D printing by sintering of a thermoplastic elastomer powder.
G03F 7/00 - Production par voie photomécanique, p.ex. photolithographique, de surfaces texturées, p.ex. surfaces imprimées; Matériaux à cet effet, p.ex. comportant des photoréserves; Appareillages spécialement adaptés à cet effet
B29C 33/42 - Moules ou noyaux; Leurs détails ou accessoires caractérisés par la forme de la surface de moulage, p.ex. par des nervures ou des rainures
B29C 33/62 - Agents de démoulage, de lubrification ou de séparation à base de polymères ou d'oligomères
C08F 120/26 - Esters contenant de l'oxygène en plus de l'oxygène de la fonction carboxyle
C08F 130/02 - Homopolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et contenant du phosphore, du sélénium, du tellure ou un métal contenant du phosphore
C08F 220/28 - Esters contenant de l'oxygène en plus de l'oxygène de la fonction carboxyle ne contenant pas de cycles aromatiques dans la partie alcool
C08F 230/02 - Copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et contenant du phosphore, du sélénium, du tellure ou un métal contenant du phosphore
59.
A WATER-BASED HUMIDITY RESISTANT ADHESIVE COMPOSITION, PROCESS FOR PREPARING AND USING THE SAME
A water-based humidity resistant adhesive compositions comprising (i) about 30 wt % to about 80 wt % of an acrylic copolymer emulsion and (ii) about 2 wt % to about 40 wt % of an adhesion promoter of a water-based chlorinated or maleic anhydride modified polyolefin. The adhesive effectively bonds a sheet membrane to a substrate of steel, wood, concrete, a roof board, insulation, or a fiberglass mat. Also disclosed is a method of bonding the sheet membrane, such as TPO, to a substrate with the adhesive composition, and a method of preparing the adhesive composition.
Sheets having thicknesses of from 1000 to 10,000 microns which are useful for the production of thermoformed semi-crystalline articles are based on polyaryletherketones having viscosities at 360° C. of at least about 400 Pas at 100 s−1 as measured by parallel plate rheometer. The polyaryletherketones are in a pseudo-amorphous state in the thermoformable sheets.
B29C 51/00 - Façonnage par thermoformage, p.ex. façonnage de feuilles dans des moules en deux parties ou par emboutissage profond; Appareils à cet effet
B29C 51/08 - Emboutissage profond ou façonnage dans des moules en deux parties, c. à d. en utilisant uniquement des moyens mécaniques
61.
POLYAMIDE POWDERS AND USE THEREOF IN POWDER AGGLOMERATION PROCESSES BY SINTERING
A polyamide powder for use in a process of powder agglomeration by sintering, including at least one chain limiting agent. A process for preparing a powder including at least one chain limiting agent, wherein the chain limiter is mixed with the polyamide powder, and if need be at least one thioether antioxidant, by dry blending.
B29C 64/153 - Procédés de fabrication additive n’utilisant que des matériaux solides utilisant des couches de poudre avec jonction sélective, p.ex. par frittage ou fusion laser sélectif
C08G 69/08 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés d'acides aminocarboxyliques
C08G 69/26 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés de polyamines et d'acides polycarboxyliques
62.
METHOD FOR PREPARING COMPOSITE PARTS WITH A HIGH DEGREE OF CONSOLIDATION
A method for preparing composite parts, including a step of depositing at least one band of fibrous material impregnated with a thermoplastic polymer on a substrate, by means of a main heating system selected from the following two systems: a preheating system (1) and a heating system (2), in combination with at least one secondary heating system selected from: a heating system (3), a post-heating system (4), a heating system (5), and a preheating system (6), or by means of the two main heating systems (1) and (2), the substrate being previously devoid of any deposited band or comprising at least one band n−1 of said fibrous material, the thermoplastic polymer being amorphous, with a Tg such that Tg≥80° C., or semicrystalline, with a Tm≥150° C.
B29C 70/38 - Empilage automatisé, p.ex. utilisant des robots, par application de filaments selon des modèles prédéterminés
B29C 70/32 - Façonnage par empilage, c.à d. application de fibres, de bandes ou de feuilles larges sur un moule, un gabarit ou un noyau; Façonnage par pistolage, c.à d. pulvérisation de fibres sur un moule, un gabarit ou un noyau sur un moule, un gabarit ou un noyau rotatifs
B29C 70/54 - Façonnage de matières composites, c. à d. de matières plastiques comprenant des renforcements, des matières de remplissage ou des parties préformées, p.ex. des inserts comprenant uniquement des renforcements, p.ex. matières plastiques auto-renforçantes opération de façonnage des matières composites comprenant uniquement des renforcements - Parties constitutives, détails ou accessoires; Opérations auxiliaires
63.
PEKK-BASED POWDER WITH A LOW MELTING POINT, USE IN SINTERING CONSTRUCTION PROCESSES AND CORRESPONDING OBJECTS
The invention relates to a powder based on at least one polyether ketone ketone homopolymer or copolymer essentially consisting of, or consisting of, an isophthalic repeating unit and, in the case of the copolymer, a terephthalic repeating unit (T), the isophthalic repeating unit representing at least 85% by weight relative to the total weight of said at least one polyether ketone ketone.
C08G 65/40 - Composés macromoléculaires obtenus par des réactions créant une liaison éther dans la chaîne principale de la macromolécule à partir de composés hydroxylés ou de leurs dérivés métalliques dérivés des phénols à partir des phénols et d'autres composés
B33Y 70/00 - Matériaux spécialement adaptés à la fabrication additive
A composition including: (A) a copolymer having rigid blocks and flexible blocks (TPE), (B) a non-crosslinked polysiloxane silicone, preferably a non-crosslinked polyorganosiloxane, (C) a compatibilizer, improving the compatibility between the TPE and the silicone, the compatibilizer (C) being chosen from a polyolefin or a mixture of polyolefins, and optionally (D) an additive.
C08L 87/00 - Compositions contenant des composés macromoléculaires non spécifiés, obtenus autrement que par des réactions de polymérisation ne faisant intervenir que des liaisons non saturées carbone-carbone
C08J 3/20 - Formation de mélanges de polymères avec des additifs, p.ex. coloration
65.
PROCESS FOR MANUFACTURING AMINOUNDECANOIC ACID AND AMINODECANOIC ACID
Process for producing aminocarboxylic acid of formula (I): NH3—CH2—(CH2)n—COOH (I) including: (i) reacting the unsaturated carboxylic acid of formula (II): CH═CH—(CH2)n-1—COOH (II) with hydrogen bromide to form the ω-bromoalkanoic acid of formula (iii): Br—CH2—(CH2)n—COOH (III); (ii) reacting the w-bromoalkanoic acid obtained with ammonia in aqueous solution to form a reaction mixture; (iii) separating the reaction mixture of the aminocarboxylic acid of formula (I) and an aqueous solution rich in ammonium bromide; (iv) bringing the aqueous solution rich in ammonium bromide into contact with sodium hydroxide to form ammonia and an aqueous solution rich in sodium bromide; (v) purifying the aqueous solution rich in sodium bromide; (vi) bringing the purified aqueous solution rich in sodium bromide into contact with chlorine to form bromine and an aqueous solution rich in sodium chloride; (vii) reacting the bromine with hydrogen to form hydrogen bromide; and (viii) recycling the hydrogen bromide to step (i).
C07C 227/08 - Formation de groupes amino dans des composés contenant des groupes carboxyle par des réactions d'addition ou de substitution, sans augmentation du nombre d'atomes de carbone dans le squelette carboné de l'acide par réaction d'ammoniac ou d'amines avec des acides contenant des groupes fonctionnels
The present disclosure relates to liquid compositions including a (meth)acrylic polymer, a (meth)acrylic monomer, and a maturation agent selected from a metal oxide or a metal hydroxide. The (meth)acrylic polymer can contain a monomer carrying a carboxylic acid function and/or the (meth)acrylic monomer can carrying a carboxylic acid function. The liquid compositions can also contain a dynamic viscosity between 10 mPa·s and 10 000 mPa·s at 25° C.
The invention concerns a composite article, such as a mold part or an extrusion die, made of a composition comprising at least one polyarylether ketone and at least one thermally conductive filler, wherein the composite article has a thermal conductivity of at least 0.5 W/mK. The invention also concerns a composition and uses thereof.
The invention relates to a composition comprising at least one fluoropolymer and at least one high-density filler. The invention also relates to a thermoplastic composite tubular structure which comprises at least one external layer consisting of said composition. The invention also relates to the process for the manufacture of said composition, and also to its applications as external layer for weighing down thermoplastic composite pipes transporting fluids in the context of oil and gas exploration and exploitation.
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/20 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers utilisant des charges, des pigments, des agents thixotropiques
B32B 27/30 - Produits stratifiés composés essentiellement de résine synthétique comprenant une résine acrylique
The invention relates to a composition comprising a mixture of C3-C22 alcohol alkoxylates which have a narrow weight distribution and are capped in the terminal portion by a group chosen from linear or branched alkyls comprising between 1 and 6 carbon atoms, the phenyl group, benzyl group and hydrocarbon groups having a carboxy function —COO—, and groups having a sugar unit. The invention also relates to the method for preparing said composition and to the uses thereof as a surfactant, in particular as a surfactant with low foaming power.
Pressure sensitive adhesives having high shear failure temperatures are made by reacting a curable pressure sensitive adhesive composition comprising: a. a pre-polymer having a structure according to Formula (I) R1—[Polymer]—R2. wherein the [Polymer] is a linear or branched polymer backbone derived from the reaction of farnesene and at least one other monomer: and R1 is a (C1-C12) alkyl group or R2. and R2 comprises a (meth)acrylate group having a structure according to Formula (II), wherein Z is selected from the group consisting of hydrogen and methyl: b. at least one functional (meth)acry late monomer: and c. at least one photo-initiator.
Pressure sensitive adhesives having high shear failure temperatures are made by reacting a curable pressure sensitive adhesive composition comprising: a. a pre-polymer having a structure according to Formula (I) R1—[Polymer]—R2. wherein the [Polymer] is a linear or branched polymer backbone derived from the reaction of farnesene and at least one other monomer: and R1 is a (C1-C12) alkyl group or R2. and R2 comprises a (meth)acrylate group having a structure according to Formula (II), wherein Z is selected from the group consisting of hydrogen and methyl: b. at least one functional (meth)acry late monomer: and c. at least one photo-initiator.
C09J 151/08 - Adhésifs à base de polymères greffés dans lesquels le composant greffé est obtenu par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone; Adhésifs à base de dérivés de tels polymères greffés sur des composés macromoléculaires obtenus autrement que par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
71.
A TWO-COMPONENT POLYURETHANE COMPOSITION, PROCESS FOR PREPARING THE SAME AND A METHOD OF USE THEREOF
This present disclosure relates to a two-component polyurethane composition comprising: (A) a prepolymer component comprising: (i) at least one isocyanate terminated intermediate compound prepared from a reaction mixture comprising at least one isocyanate compound and at least one active hydrogen containing compound selected from the group consisting of a polyol compound, a polyamine compound and a combination thereof, (ii) at least one isocyanate compound, and (iii) optionally at least one liquid rubber; and (B) a curative component comprising: (i) at least one polyol terminated intermediate compound prepared from a reaction mixture comprising at least one isocyanate compound and at least one active hydrogen containing compound selected from the group consisting of a polyol compound, a polyamine compound and a combination thereof, (ii) at least one liquid rubber, (iii) at least one catalyst, (iv) at least one polyol, (v) optionally at least one amine compound, and (vi) optionally a chain extender.
C08G 18/10 - Procédés mettant en œuvre un prépolymère impliquant la réaction d'isocyanates ou d'isothiocyanates avec des composés contenant des hydrogènes actifs, dans une première étape réactionnelle
C08G 18/18 - Catalyseurs contenant des amines secondaires ou tertiaires ou leurs sels
Impregnation of a fibrous material made from continuous fibres with a thermoplastic polymer matrix, the fibrous material comprising a thermoplastic sizing polymer and, before impregnation, an initial width. The method comprises an expansion step which is carried out by means of at least two tensioning members (E) and a heating system SC for heating the tensioning members and/or the fibrous material, the expansion being from 1.5 to 5 times the initial width. The expanded fibrous material is cooled below the Tg of the thermoplastic sizing polymer by means of a cooling system before being brought into contact with the thermoplastic polymer matrix.
B29C 70/16 - Façonnage de matières composites, c. à d. de matières plastiques comprenant des renforcements, des matières de remplissage ou des parties préformées, p.ex. des inserts comprenant uniquement des renforcements, p.ex. matières plastiques auto-renforçantes des renforcements fibreux uniquement caractérisées par la structure des renforcements fibreux utilisant des fibres de grande longueur, ou des fibres continues
B29C 70/38 - Empilage automatisé, p.ex. utilisant des robots, par application de filaments selon des modèles prédéterminés
B29C 70/56 - Tensionnage des renforcements avant ou pendant le façonnage
B29C 35/02 - Chauffage ou durcissement, p.ex. réticulation ou vulcanisation
The invention relates to the use of a powder comprising at least one polyamide and at least one epoxy resin for producing an electrically insulating coating on a surface. The invention also relates to an electricity transmitting component at least partially covered with a coating that can be obtained by melting such a powder.
C08G 69/10 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés d'acides aminocarboxyliques d'acides alpha-aminocarboxyliques
Disclosed are high refractive index monomers for ceramic/metal 3D printing applications. The compositions disclosed herein have a higher refractive index and thus better resolution and lower scattering of the light when employed in a composition to deposit ceramic or metallic particles. The disclosed compositions also include low refractive cross-linkers selected for their good thermal decomposition and reactivity to provide good cohesion during the 3D printing.
C08F 220/30 - Esters contenant de l'oxygène en plus de l'oxygène de la fonction carboxyle contenant des cycles aromatiques dans la partie alcool
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
The present invention relates to a process for drying methyl mercaptan, notably by azeotropic distillation, comprising the following steps:
1) a stream (A) comprising methyl mercaptan and water is introduced into a distillation column (1);
2) said stream (A) is distilled in said column (1);
3) the distillate (B) is recovered in gaseous form, preferably at the top of the column;
4) the distillate (B) is condensed, preferably in a condenser (2), so as to obtain a condensate (C) in liquid form;
5) said condensate (C) is separated, preferably using a decanter (3), so as to obtain two separate liquid phases:
an aqueous phase (D); and
an organic phase (E) comprising methyl mercaptan;
6) all or part of the organic phase (E) is optionally introduced into the distillation column (1) as reflux; and
7) a stream (F) comprising the dried methyl mercaptan is recovered, preferably at the bottom of column (1).
The present invention relates to a process for drying methyl mercaptan, notably by azeotropic distillation, comprising the following steps:
1) a stream (A) comprising methyl mercaptan and water is introduced into a distillation column (1);
2) said stream (A) is distilled in said column (1);
3) the distillate (B) is recovered in gaseous form, preferably at the top of the column;
4) the distillate (B) is condensed, preferably in a condenser (2), so as to obtain a condensate (C) in liquid form;
5) said condensate (C) is separated, preferably using a decanter (3), so as to obtain two separate liquid phases:
an aqueous phase (D); and
an organic phase (E) comprising methyl mercaptan;
6) all or part of the organic phase (E) is optionally introduced into the distillation column (1) as reflux; and
7) a stream (F) comprising the dried methyl mercaptan is recovered, preferably at the bottom of column (1).
The present invention also relates to processes for producing methyl mercaptan comprising said drying process.
C07C 319/08 - Préparation de thiols, de sulfures, d'hydropolysulfures ou de polysulfures de thiols par remplacement de groupes hydroxy ou de groupes hydroxy éthérifiés ou estérifiés
The invention relates to a method for separation of a polymeric article comprising at least one thermoplastic polymer, and at least one other constituent, wherein said separation method comprises: —a step of contacting the polymeric article with a liquid medium suitable for propagating shock waves, and —a step of applying a pulsed field to the liquid medium, so as to generate shock waves capable of dividing the polymeric article at an interface between the thermoplastic polymer and the other constituent.
The present invention relates to a process for the suspension polymerization of alkoxyamines with styrenic and (meth)acrylic monomers, to the beads and compositions thus obtained, and also to the use of these beads and compositions.
C08F 293/00 - Composés macromoléculaires obtenus par polymérisation sur une macromolécule contenant des groupes capables d'amorcer la formation de nouvelles chaînes polymères rattachées exclusivement à une ou aux deux extrémités de la macromolécule de départ
78.
METHOD FOR PREPARING MERCAPTANS BY SULFHYDROLYSIS OF SULFIDES
The present invention concerns a method for sulfhydrolysis from dialkyl sulfides and hydrogen sulfide, in the presence of a specific catalyst based on titanium dioxide and/or zirconium dioxide, as well as the corresponding use of such a catalyst. The present invention also concerns a method for preparing mercaptans, in particular methyl mercaptan, from at least one alcohol and hydrogen sulfide, comprising said sulfhydrolysis method.
C07C 319/06 - Préparation de thiols, de sulfures, d'hydropolysulfures ou de polysulfures de thiols à partir de sulfures, d'hydropolysulfures ou de polysulfures
The present invention deals with a composition comprising at least one organic peroxide, at least one sulfur-containing compound chosen among the group consisting of dialkyl phosphorodithioic acid and salts thereof, and optionally sulfur under its free form.
A transparent molding composition including, by weight (with a total of 100%): (A) 35 to 84% of a polyamide mixture including: 10 to 95% by weight of at least one semi-crystalline aliphatic polyamide, whose average number of carbon atoms relative to nitrogen atoms is greater than or equal to 8; 90 to 5% by weight of at least one amorphous polyamide; (B) from over 10 to 30% of at least one impact modifier; (C) from 6 to 20% of short glass fibers; (D) 0 to 10% of at least one prepolymer; and (E) 0 to 5% of at least one additive selected from stabilizers, dyes, plasticizers, processing aids or a mixture thereof, the index of refraction of each constituent (A), (B), (C) and (D) being included between 1.500 and 1.540, and wherein said composition has no PEBA and has a dry-measured modulus at 23° C. over 1700 MPa.
C08L 77/06 - Polyamides dérivés des polyamines et des acides polycarboxyliques
C08L 77/02 - Polyamides dérivés des acides oméga-aminocarboxyliques ou de leurs lactames
C08L 53/02 - Compositions contenant des copolymères séquencés possédant au moins une séquence d'un polymère obtenu par des réactions ne faisant intervenir que des liaisons non saturées carbone-carbone; Compositions contenant des dérivés de tels polymères contenant des monomères vinylaromatiques et des diènes conjugués
A plurality of multiphase polymer particles comprising an acrylic-based copolymer derived from monomers comprising: an alkyl methacrylate; an alkyl acrylate; a hydroxyalkyl acrylate or hydroxyalkyl methacrylate; at least one acid; a carboxyalkyl (meth)acrylate; a vinyl ester, and at least one co-polymerizable surfactant. Also disclosed is an emulsion comprising: a plurality of multiphase polymer particles comprising an acrylic-based copolymer, at least one co-polymerizable surfactant, at least one alkylphenol ethoxylate (APE) free nonionic surfactant, and at least one APE free anionic surfactant in an aqueous medium in presence of a free-radical initiator and a buffer. Another objective of this application discloses a water-dispersible acrylic pressure sensitive adhesive composition for label applications, a process for the preparation thereof and a method of bonding a label to a container with the composition.
C09J 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
C08L 33/06 - Homopolymères ou copolymères des esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'oxygène, faisant uniquement partie du radical carboxyle
The present invention relates to a process for producing methyl mercaptan, comprising the following steps:
A) methanol is reacted with hydrogen sulfide to form a stream (M), preferably in gaseous form, comprising methyl mercaptan, unreacted H2S and possibly sulfur byproducts;
B) optionally, said stream (M) is condensed;
C) at least one step of purification of said stream (M) is performed to obtain a stream enriched in methyl mercaptan;
D) the gaseous vents resulting from said at least one purification step are recovered, said gaseous vents comprising at least one sulfur compound, preferably H2S;
E) a gas-liquid extraction of said at least one sulfur compound, preferably H2S, is performed with liquid methanol so as to obtain a liquid methanol enriched in sulfur compound(s), preferably in H2S; and
F) optionally, said enriched methanol is used as reagent for the reaction of step A).
C07C 319/08 - Préparation de thiols, de sulfures, d'hydropolysulfures ou de polysulfures de thiols par remplacement de groupes hydroxy ou de groupes hydroxy éthérifiés ou estérifiés
The invention concerns a cathode composition comprising an intrinsically incorporated catholyte. The invention also concerns a quasi-solid-state Li-ion battery comprising said cathode, an anode and a separator, and a method for manufacturing said Li-ion battery.
H01M 10/0565 - Matériaux polymères, p.ex. du type gel ou du type solide
H01M 4/62 - Emploi de substances spécifiées inactives comme ingrédients pour les masses actives, p.ex. liants, charges
H01M 4/13 - PROCÉDÉS OU MOYENS POUR LA CONVERSION DIRECTE DE L'ÉNERGIE CHIMIQUE EN ÉNERGIE ÉLECTRIQUE, p.ex. BATTERIES Électrodes Électrodes composées d'un ou comprenant un matériau actif Électrodes pour accumulateurs à électrolyte non aqueux, p.ex. pour accumulateurs au lithium; Leurs procédés de fabrication
H01M 50/457 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches comprenant au moins trois couches
H01M 10/0585 - Structure ou fabrication d'accumulateurs ayant uniquement des éléments de structure plats, c. à d. des électrodes positives plates, des électrodes négatives plates et des séparateurs plats
H01M 50/609 - Moyens ou procédés pour le remplissage en liquide, p.ex. avec des électrolytes
84.
NON-CROSSLINKED COPOLYMER FOAM COMPOSITION WITH POLYAMIDE BLOCKS AND POLYETHER BLOCKS
The present invention relates to a non-crosslinked block copolymer foam composition, characterised in that it is in the form of a polymer matrix comprising closed cells containing gas, said matrix comprising:
from 90 to 99.9% by weight of said block copolymer; and
from 0.01 to 10% by weight of metal carbonate,
for the total weight of the foam composition.
The present invention relates to a non-crosslinked block copolymer foam composition, characterised in that it is in the form of a polymer matrix comprising closed cells containing gas, said matrix comprising:
from 90 to 99.9% by weight of said block copolymer; and
from 0.01 to 10% by weight of metal carbonate,
for the total weight of the foam composition.
The present invention also relates to a foamable composition and a method for manufacturing said foam, as well as the use of the foam in sports shoe soles, balloons or balls, gloves, personal protection equipment, rail soles, automobile parts, construction parts, electrical and electronic equipment parts, audio equipment, sound- and/or heat-proofing, and parts used to damp vibrations.
C08J 9/00 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolaires; Leur post-traitement
C08K 3/013 - Charges, pigments ou agents de renforcement
C08J 9/08 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolaires; Leur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent chimique de gonflage dégageant de l'anhydride carbonique
C08J 9/12 - Mise en œuvre de substances macromoléculaires pour produire des matériaux ou objets poreux ou alvéolaires; Leur post-traitement utilisant des gaz de gonflage produits par un agent de gonflage introduit au préalable par un agent physique de gonflage
C08L 87/00 - Compositions contenant des composés macromoléculaires non spécifiés, obtenus autrement que par des réactions de polymérisation ne faisant intervenir que des liaisons non saturées carbone-carbone
85.
METHOD FOR THE CONTINUOUS PREPARATION OF POLYAMIDE PREPOLYMERS
The present invention relates to a method for continuously preparing a polyamide prepolymer, the viscosity in solution of which is comprised between 0.25 dL/g and 0.70 dL/g, as measured according to ISO 307:2007 in m-cresol at 20° C.,
the method being characterized in that it comprises a step of polycondensation on the basis of one or more polyamide precursor monomers, said polycondensation step being carried out in a extruder comprising at least two co-rotating conveying screws, the at least one monomer being previously added therein in solid or liquid form without being dissolved in a solvent or in water, and said polycondensation step being carried out without extracting the water formed during said polycondensation.
B29B 7/48 - Mélange; Malaxage continu, avec dispositifs mécaniques de mélange ou de malaxage avec dispositifs de mélange ou de malaxage mobiles rotatifs avec plus d'un arbre à dispositifs à engrènement, p.ex. à vis qui s'engrènent
86.
PULVERULENT COMPOSITION BASED ON PAEK(S), SINTERING CONSTRUCTION PROCESS AND OBJECT DERIVED THEREFROM
The invention relates to a pulverulent composition comprising a powder based on at least one polyaryl ether ketone, said composition having at least a first endothermic peak and a second endothermic peak, the first endothermic peak having a peak temperature strictly greater than 280° C., and the second endothermic peak having a peak temperature equal to a value of 200° C. to 280° C.; the endothermic peaks are measured on a thermogram obtained by differential scanning calorimetry, according to the standard ISO 11357-3: 2018, on first heating, using a temperature ramp of 20° C./minute. The invention also relates to a method for the electromagnetic radiation-mediated layer-by-layer sintering construction of a three-dimensional object from the pulverulent composition, to a method for determining the minimum construction temperature to be used, and also to objects that may be manufactured via this construction process.
B33Y 50/02 - Acquisition ou traitement de données pour la fabrication additive pour la commande ou la régulation de procédés de fabrication additive
B29C 64/153 - Procédés de fabrication additive n’utilisant que des matériaux solides utilisant des couches de poudre avec jonction sélective, p.ex. par frittage ou fusion laser sélectif
87.
TRANSPARENT COMPOSITIONS WITH GOOD ALCOHOL RESISTANCE AND FATIGUE STRENGTH
A transparent molding composition, including by weight: (a) from 30 to 90% of at least one (co)polyamide of formula PACMY/Z, (b) from 10 to 70% by weight of at least one semi-crystalline copolyamide of formula A/WS, (c) from 0 to 10% of at least one impact modifier chosen from the polyether block amides (PEBA) and the core-shell polymers, (d) from 0 to 2% by weight of at least one additive, (e) from 0 to 5% by weight of a prepolymer; the sum of the proportions of each constituent of said composition being equal to 100%, the composition having good alcohol resistance as determined by an ethanol resistance test.
C08L 77/06 - Polyamides dérivés des polyamines et des acides polycarboxyliques
C08G 69/26 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés de polyamines et d'acides polycarboxyliques
The present invention relates to a process for treating, in a reactor containing a catalytic bed, a solid catalyst, said process comprising the steps of: a) implementing, in said reactor, a gas-phase catalytic reaction at a catalytic bed temperature T1 in the presence of a hydrogen halide or giving rise to the formation of a hydrogen halide, b) causing an inert gas to flow through the catalytic bed at a catalytic bed temperature T2 that is lower than T1, the temperature T2 being greater than 30° C.
The present invention relates to a process for synthesizing a functionalized mercaptan, comprising the reaction between a compound of formula R2—X—C*H(NR1R7)—(CH2)n-G (II) and H2S in the presence of at least one enzyme chosen from sulfhydrylases; said reaction being performed in a reactor with a partial pressure of H2S in the gas headspace of said reactor of between 0.01 and 4 bar, preferably between 0.1 and 3 bar, for example between 0.1 and 2.5 bar, and more preferentially between 0.25 and 2 bar, at the reaction temperature.
A multilayer structure which is chosen from among a tank, a pipe or a tube and intended for transporting, distributing or storing liquid hydrogen, the structure including a sealing layer in contact with the liquid hydrogen, the sealing layer including a composition which includes a polymer P1 which is polychlorotrifluoroethylene and at least one second layer located above the sealing layer, the second layer being a composite reinforcing layer of a fibrous material in the form of continuous fibers impregnated with a composition mainly including at least one thermoplastic or thermosetting polymer P2.
B32B 5/26 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par la présence de plusieurs couches qui comportent des fibres, filaments, grains ou poudre, ou qui sont sous forme de mousse ou essentiellement poreuses une des couches étant fibreuse ou filamenteuse un autre couche également étant fibreuse ou filamenteuse
B32B 37/04 - Procédés ou dispositifs pour la stratification, p.ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par la fusion partielle d'au moins une couche
91.
METHOD FOR THE CONTINUOUS PREPARATION OF FORMULATED POLYAMIDE PREPOLYMERS
A method for continuously preparing a formulated polyamide prepolymer, of which the solution viscosity is from 0.25 dL/g to 0.70 dL/g, as measured according to ISO 307:2007 in m-cresol at 20° C., the method including a step of polycondensation on the basis of one or more polyamide precursor monomers, said polycondensation step being carried out in an extruder comprising at least two co-rotating conveying screws, the at least one monomer being previously fed therein in solid or liquid form without being dissolved in a solvent or in water, and said polycondensation step being carried out without extraction of the water formed during said polycondensation step and comprising the addition of at least one additive during said polycondensation step in the extruder.
C08G 69/10 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés d'acides aminocarboxyliques d'acides alpha-aminocarboxyliques
C08J 3/21 - Formation de mélanges de polymères avec des additifs, p.ex. coloration en présence d'une phase liquide le polymère étant prémélangé avec une phase liquide
The present invention relates to a thixotropic composition comprising a diurea-diurethane compound and an aprotic solvent, to its process of preparation and also to its use as rheology agent, in particular as thixotropic agent, especially in a binder composition.
C08G 18/38 - Composés de bas poids moléculaire contenant des hétéro-atomes autres que l'oxygène
C08G 18/10 - Procédés mettant en œuvre un prépolymère impliquant la réaction d'isocyanates ou d'isothiocyanates avec des composés contenant des hydrogènes actifs, dans une première étape réactionnelle
A molding composition including by weight: (A) 45% to 90%, particularly 60% to 80%, more particularly 62.5% to 77.5% of at least one copolyamide with amide units (Bal) and polyether units (Ba2), (B) 5% to 30%, particularly 10% to 20%, more particularly 12.5% to 17.5% of carbon fibers, (C) 5% to 20%, particularly 10% to 15% of a hollow glass reinforcement, (D) 0% to 5%, preferably 0.1% to 2% of at least one additive, the sum of the proportions of each constituent (A)+(B)+(C)+(D) of the composition being equal to 100%.
A method is disclosed for us in additively manufacturing a three-dimensional carbon-bonded composite article. The method may include discharging from a print head a curable composition. The curable composition may include a) at least one aromatic, actinically curable component having an H/Catomic ratio of from 0.4 to 1.6, selected from the group consisting of (meth)acrylate oligomers, epoxy-functionalized compounds, oxetane-functionalized compounds and mixtures thereof; and b) at least one diluent comprising at least one actinically curable monomer. The curable composition may also include c) a reinforcement, and d) a photoinitiator. The method may further include irradiating the curable composition during the discharging to at least partially actinically cure the curable composition and form a preform of the three-dimensional carbon-bonded composite article. The method also includes pyrolyzing the preform to form the three-dimensional printed carbon-bonded composite article.
C09D 4/00 - Compositions de revêtement, p.ex. peintures, vernis ou vernis-laques, à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable
B33Y 40/20 - Posttraitement, p.ex. durcissement, revêtement ou polissage
B33Y 50/00 - Acquisition ou traitement de données pour la fabrication additive
C09D 133/06 - Homopolymères ou copolymères d'esters d'esters ne contenant que du carbone, de l'hydrogène et de l'oxygène, l'atome d'oxygène faisant uniquement partie du radical carboxyle
C09D 135/02 - Homopolymères ou copolymères d'esters
C09D 7/61 - Adjuvants non macromoléculaires inorganiques
A process for the manufacture of ω-aminoalkanoic acid of formula NH2—(CH2)n—COOH, in which n is an integer from 9 to 11, by reaction of the corresponding ω-bromoalkanoic acid with ammonia, including the following stages: i) reaction of the ω-bromoalkanoic acid with an aqueous excess ammonia solution, and ii) separation of the ω-aminoalkanoic acid formed from the reaction mixture. The aqueous ammonia solution exhibits a concentration of 35% to 70% by weight, and stage i) is carried out under a pressure greater than atmospheric pressure, from 0.11 to 2.0 MPa absolute.
C07C 227/08 - Formation de groupes amino dans des composés contenant des groupes carboxyle par des réactions d'addition ou de substitution, sans augmentation du nombre d'atomes de carbone dans le squelette carboné de l'acide par réaction d'ammoniac ou d'amines avec des acides contenant des groupes fonctionnels
A composition including from: a) 35% to 100% by weight of at least one semicrystalline aliphatic polyamide and/or one polyamide of formula MXDZ wherein MXD is meta-xylylenediamine and Z is a C6 to C12 aliphatic dicarboxylic acid, the semicrystalline aliphatic polyamide and/or the polyamide of formula MXDZ having a total acidity between from 70 to 180 μeq/g and a total basicity of less than 100 μeq/g; b) 0 to 25% by weight of polyolefins; c) 0 to 60% by weight, of glass fibers; d) 0 to 2% by weight of at least one additive; e) 0 to 30% by weight of at least one flame retardant; the sum a)+b)+c)+d)+e) being equal to 100%, the semicrystalline aliphatic polyamide and/or the polyamide of formula MXDZ having a melt flow index (MFI) between from 4 to 50 g/10 min.
C08G 69/08 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés d'acides aminocarboxyliques
C08G 69/26 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés de polyamines et d'acides polycarboxyliques
C08G 69/36 - Polyamides dérivés, soit des acides amino-carboxyliques, soit de polyamines et d'acides polycarboxyliques dérivés d'aminoacides, de polyamines et d'acides polycarboxyliques
B29C 45/14 - Moulage par injection, c. à d. en forçant un volume déterminé de matière à mouler par une buse d'injection dans un moule fermé; Appareils à cet effet en incorporant des parties ou des couches préformées, p.ex. moulage par injection autour d'inserts ou sur des objets à recouvrir
C09D 177/02 - Polyamides dérivés d'acides oméga-aminocarboxyliques ou de leurs lactames
C09D 177/06 - Polyamides dérivés de polyamines et d'acides polycarboxyliques
The invention relates to a multilayer structure comprising a textile layer comprising at least one polymer chosen from a polyamide and a copolymer containing polyamide blocks and polyether blocks, and combinations thereof; and a film comprising at least one copolymer containing polyamide blocks and polyether blocks, the polyether blocks comprising polyethylene glycol blocks, the polyethylene glycol blocks representing at least 40% by mass relative to the mass of the film; in which the film adheres to the textile layer via a copolyamide.
The invention relates to a multilayer structure comprising a textile layer comprising at least one polymer chosen from a polyamide and a copolymer containing polyamide blocks and polyether blocks, and combinations thereof; and a film comprising at least one copolymer containing polyamide blocks and polyether blocks, the polyether blocks comprising polyethylene glycol blocks, the polyethylene glycol blocks representing at least 40% by mass relative to the mass of the film; in which the film adheres to the textile layer via a copolyamide.
The invention also relates to a process for manufacturing said multilayer structure, to a process for recycling said multilayer structure and also to an article comprising said multilayer structure.
B32B 27/12 - Produits stratifiés composés essentiellement de résine synthétique adjacente à une couche fibreuse ou filamenteuse
B32B 5/02 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par les caractéristiques de structure d'une couche comprenant des fibres ou des filaments
B32B 27/34 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyamides
B32B 27/28 - Produits stratifiés composés essentiellement de résine synthétique comprenant des copolymères de résines synthétiques non complètement couverts par les sous-groupes suivants
B32B 7/12 - Liaison entre couches utilisant des adhésifs interposés ou des matériaux interposés ayant des propriétés adhésives
B32B 27/18 - Produits stratifiés composés essentiellement de résine synthétique caractérisée par l'emploi d'additifs particuliers
B32B 37/12 - Procédés ou dispositifs pour la stratification, p.ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par l'usage d'adhésifs
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 37/18 - Procédés ou dispositifs pour la stratification, p.ex. par polymérisation ou par liaison à l'aide d'ultrasons caractérisés par les propriétés des couches toutes les couches existant et présentant une cohésion avant la stratification impliquant uniquement l'assemblage de feuilles ou de panneaux individualisés
A process for the production of trifluoroethylene in a reactor provided with a catalytic bed including a catalyst, the process including: i) a step of activating the catalyst, including bringing it into contact with a gaseous stream including a reducing agent, an inert gas or a mixture thereof; and ii) a step of reacting chlorotrifluoroethylene with hydrogen in the presence of the catalyst activated in step i) and in the gas phase in order to produce a stream including trifluoroethylene; wherein during said step i), the temperature of the catalytic bed is increased from a temperature T1 to a temperature T2 that is greater than T1, with a temperature gradient of less than 0.5° C./min.
An actinically curable composition includes at least one aromatic, actinically curable component a), at least one actinically curable monomer b) as a diluent, an opaque reinforcement c) and at least one photoinitiator d). After curing and upon pyrolysis, the actinically curable composition may provide more than 18 weight % char, by weight of the component a), the actinically curable monomer b) and the photoinitiator d) after curing. The opaque reinforcement may be continuous fibers. A method of making a three dimensionally printed carbon bonded composite article from the actinically curable composition using digital light projection, stereolithography or multi jet printing is also provided.
The present invention relates to a process for the production of trifluoroethylene in a reactor equipped with a fixed catalytic bed comprising a catalyst, said process comprising a stage a) of reaction of chlorotrifluoroethylene with hydrogen in the presence of the catalyst and in the gas phase in order to produce a stream comprising trifluoroethylene; said stage a) being carried out at a temperature of the fixed catalytic bed T1 of between 50° C. and 250° C.; said process being characterized in that, during stage a), the temperature of the fixed catalytic bed T1 is increased provided that it does not exceed 300° C.
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