Abstract

A method for coating a surface, including the following steps: applying a layer of a curable composition to the surface; irradiating the curable composition with a first radiation having a wavelength of 100 to 280 nm, so as to give a partially cured composition; and irradiating the partially cured composition with a second radiation including at least one wavelength higher than the wavelength of the first radiation, and/or an electron beam, so as to give a cured composition, the curable composition including at least one compound curable by actinic radiation, and particles of at least one polyamide. Also, a coating layer obtained by such a method and to an object comprising a surface covered with such a coating layer.

IPC Classes  ?

• B05D 3/06 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
• B05D 5/02 - Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a matt or rough surface
• C09D 7/42 - Gloss-reducing agents
• C09D 7/63 - Additives non-macromolecular organic

Abstract

The invention relates to an electrolyte composition comprising: 5% to 70% by weight of lithium bis(fluorosulfonyl)imide salt; 20% to 85% by weight of at least one organic solvent. The invention relates to an electrolyte composition comprising: 5% to 70% by weight of lithium bis(fluorosulfonyl)imide salt; 20% to 85% by weight of at least one organic solvent. The present invention also relates to electrochemical cells and batteries using such an electrolyte composition.

IPC Classes  ?

• H01M 10/0568 - Liquid materials characterised by the solutes
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
• H01M 4/66 - Selection of materials
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 10/0569 - Liquid materials characterised by the solvents

Abstract

The application relates to a method for preparing a polyamide composition, which comprises the steps of: a) providing a mixture comprising a virgin polyamide vPA and a polyamide to be recycled rPA in the form of an untransformed powder resulting from additive manufacturing by sintering or from a coating method by powdering or by electrostatic spraying, or powder obtained by grinding a polyamide-based part of an object to be recycled; b) kneading the mixture in the molten state, as a result of which a polyamide composition is obtained; and c) recovering the polyamide composition. The invention also relates to the polyamide composition obtained and to the uses thereof for preparing articles by extrusion, injection or overmoulding.

IPC Classes  ?

• C08J 11/06 - Recovery or working-up of waste materials of polymers without chemical reactions
• B29B 9/06 - Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
• B29B 17/04 - Disintegrating plastics
• B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
• B29K 105/26 - Scrap
• C08J 3/00 - Processes of treating or compounding macromolecular substances
• C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof

Abstract

The use of a refrigerant including 2,3,3,3-tetrafluoropropene for the cooling of a battery of an electric vehicle including at least one electrochemical cell including a negative electrode, a positive electrode and an electrolyte, the positive electrode including at least one oxide of formula LiNixMnyCozO2 with x+y+z=1, x>y and x>z, or LiNix′Coy′Alz′ with x′+y′+z′=1, x′>y′ and x′>z′, as electrochemically active material.

IPC Classes  ?

• H01M 10/6569 - Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
• B60H 1/00 - Heating, cooling or ventilating devices
• B60L 58/26 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
• B60L 58/27 - Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/505 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
• H01M 4/525 - Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
• H01M 10/613 - Cooling or keeping cold
• H01M 10/625 - Vehicles
• H01M 10/651 - Means for temperature control structurally associated with the cells characterised by parameters specified by a numeric value or mathematical formula, e.g. ratios, sizes or concentrations
• H01M 10/663 - Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine

Abstract

A method for reducing coefficient of friction of a laminate comprising a polyurethane adhesive is provided. The method comprises providing the polyurethane adhesive; and adhering at least two substrates with the polyurethane adhesive to form a laminate, wherein the polyurethane adhesive is formed by reacting (A) an isocyanate component comprising a prepolymer derived from the reaction of a diisocyanate, a polyethylene glycol and optionally an additional polyol; with (B) a polyol component. The method can achieve minimized COF and viscosity, while retaining other performance properties such as bond strength, heat seal strength and boil in bag resistance. A composition for preparing the adhesive, a laminate product prepared with said composition as well the method for preparing the laminate product are also provided.

IPC Classes  ?

• C09J 175/08 - Polyurethanes from polyethers
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
• C09J 175/06 - Polyurethanes from polyesters

Abstract

The present invention relates a composition comprising a polyamide, a polymer having polyamide (PA) blocks and poly(tetramethylene ether) glycol (PTMG) blocks, a functionalized polyolefin, and a polyolefin, wherein the polymer (b) comprises at least 40% by weight of PTMG, with regard to the weight of the polymer (b). The present invention also relates to a method of making said composition, a kit for obtaining said composition, an article comprising or made from said composition, and a method of making said article.

IPC Classes  ?

• C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
• C08J 5/18 - Manufacture of films or sheets
• C08L 23/06 - Polyethene
• C08L 23/0869 - Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen with unsaturated acids, e.g. [meth]acrylic acidCopolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen with unsaturated esters, e.g. [meth]acrylic acid esters

Abstract

The present invention relates to a process for granulating an azo compound, comprising the following steps: a) a granulation step by stirring an aqueous suspension of said azo compound, in the presence of an organic binder; b) an optional step of recovering the granules obtained in step a), preferably by filtration; and c) an optional step of drying the granules recovered in step b). The present invention relates to a process for granulating an azo compound, comprising the following steps: a) a granulation step by stirring an aqueous suspension of said azo compound, in the presence of an organic binder; b) an optional step of recovering the granules obtained in step a), preferably by filtration; and c) an optional step of drying the granules recovered in step b). It also relates to granules obtainable by the process according to the invention and to uses thereof.

IPC Classes  ?

• C08K 5/23 - Azo-compounds
• A61K 9/16 - AgglomeratesGranulatesMicrobeadlets
• C08K 7/16 - Solid spheres

Abstract

The present invention relates to a composition comprising a polymer P1 comprising monomer units derived from vinylidene fluoride and optionally a comonomer M1 compatible with vinylidene fluoride and a polymer P2 comprising monomer units derived from a monomer M2 of formula R1R2C═C(R3)C(O)R, in which the substituents R1, R2 and R3 are independently selected from the group consisting of H and a C1-C5 alkyl; R is selected from the group consisting of —NHC(CH3)2CH2C(O)CH3 or —OR′, where R′ is selected from the group consisting of H and a C1-C18alkyl optionally substituted by one or more —OH groups or a five- or six-membered heterocycle comprising at least one nitrogen atom in its cyclic chain, characterised in that the crystallisation temperature of the composition is Tc<−3.7496x+130, where x is the content, by weight, of the comonomer M1 relative to the total weight of the polymer P1, and in that the composition is in powder form.

IPC Classes  ?

• C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
• C09D 5/03 - Powdery paints
• H01G 11/52 - Separators
• H01M 8/0221 - Organic resinsOrganic polymers
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 50/426 - Fluorocarbon polymers

Abstract

The present invention relates to a composition comprising a polymer P1 comprising monomer units derived from vinylidene fluoride and optionally a comonomer M1 compatible with vinylidene fluoride and a polymer P2 comprising monomer units derived from a monomer M2 of formula R1R2C═C(R3)C(O)R, in which the substituents R1, R2 and R3 are independently selected from the group consisting of H and a C1-C8alkyl; R is selected from the group consisting of —NHC(CH3)2CH2C(O)CH3 or —OR′, where R′ is selected from the group consisting of H and a C1-C18 alkyl optionally substituted by one or more-OH groups or a five- or six-membered heterocycle comprising at least one nitrogen atom in its cyclic chain, characterised in that the crystallisation temperature of the composition is Tc<−3.7496x+130, where x is the content, by weight, of the comonomer M1 relative to the total weight of the polymer P1.

IPC Classes  ?

• C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
• C09D 5/02 - Emulsion paints
• H01G 11/52 - Separators
• H01M 50/42 - Acrylic resins
• H01M 50/426 - Fluorocarbon polymers
• H01M 50/449 - Separators, membranes or diaphragms characterised by the material having a layered structure

Abstract

The present invention relates to the production of butyl acrylate by direct esterification of acrylic acid with butanol, this reaction being catalyzed by sulfuric acid. More specifically, it relates to an improved process for producing butyl acrylate, enabling high-purity butyl acrylate to be obtained, by upgrading both the Michael adducts formed during this process, by thermal and catalytic cracking, in the form of reactants and ester which can be recycled in the process, and the final residue, by hydrothermal gasification in the form of methane and mineral salts.

IPC Classes  ?

• C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
• B01J 27/02 - Sulfur, selenium or telluriumCompounds thereof
• C07C 67/54 - SeparationPurificationStabilisationUse of additives by change in the physical state, e.g. crystallisation by distillation

Abstract

The present invention relates to a method for producing biobased α-β-unsaturated carboxylic acids from poly(3-hydroxyalkanoate) (P3HA) contained in biomass by extraction of the P3HA using a solvent, followed by separation of insoluble organic waste and then thermolysis of the P3HA-solvent mixture in the presence of the solvent. The solvent is selected such that it provides good dissolution of the P3HA and does not boil under the thermolysis conditions.

IPC Classes  ?

• C07C 51/09 - Preparation of carboxylic acids or their salts, halides, or anhydrides from carboxylic acid esters or lactones
• C07C 51/50 - Use of additives, e.g. for stabilisation

Abstract

A process for producing a stable PVDF latex by emulsion polymerization in the absence of fluorinated surfactant, said latex being stabilized by poly(vinyl alcohol) (PVOH). The process including the steps of charging a polymerization reactor with deionized water and a stabilizer, raising the temperature to 50 to 120° C., feeding VDF to the reactor until the pressure reaches from 100 kPa to 10 MPa, adding an initiator to start the polymerization, continuously feeding VDF to maintain said pressure, and stopping the VDF feed when the desired amount of polymer conversion has been reached.

IPC Classes  ?

• C08L 27/14 - Homopolymers or copolymers of vinyl fluoride
• C08K 5/098 - Metal salts of carboxylic acids

Abstract

The production method comprises the steps of: pyrolizing the feed material in a pyrolysis reactor so as to generate a gas stream, the feed material travelling from an inlet of the pyrolysis reactor to an outlet of the pyrolysis reactor with being subjected to heat such as to generate the gas stream at the outlet of the pyrolysis reactor; and condensing the monomer contained in the gas stream in a condenser such as to obtain liquid monomer; the production method further comprising feeding the pyrolysis reactor with solid and/or liquid impurities separated from the gas stream generated in the depolymerization installation and/or a gas stream generated in another depolymerization installation and/or with a syrup containing the polymer and/or the monomer and/or oligomers of the monomer.

IPC Classes  ?

• C07C 67/333 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisationPreparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by change of size of the carbon skeleton
• C07C 67/54 - SeparationPurificationStabilisationUse of additives by change in the physical state, e.g. crystallisation by distillation

Abstract

The present invention relates to copolymer obtained by polymerizing a monomer mixture comprising: (a) at least one monomer selected from the group consisting of 2-octyl (meth)acrylate, 2-methylbutyl acrylate and 3-methylbutylacrylate; (b) isobornyl (meth)acrylate: (c) optionally at least one carboxyl-functional ethylenically unsaturated monomer; and (d) optionally at least one ethylenically unsaturated monomer other than (a), (b) and (c). A composition comprising the copolymer and its uses in adhesives and coatings are also provided.

IPC Classes  ?

• C08F 287/00 - Macromolecular compounds obtained by polymerising monomers on to block polymers
• C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
• C08F 220/18 - Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
• C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
• C09D 151/00 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers
• C09J 151/00 - Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsAdhesives based on derivatives of such polymers

Abstract

The present invention relates to a method for producing α-β-unsaturated carboxylic acids by thermolysis of poly(3-hydroxyalkanoate), while limiting clogging associated with the unintentional condensation of hot α-β-unsaturated carboxylic acid vapours generated on walls in the method and with the subsequent formation of solids via a radical polymerisation reaction. The invention is based on the introduction of a radical polymerisation inhibitor into the thermolysis reactor and on the use of specific thermolysis conditions that make this inhibitor partially volatile during the thermolysis of the poly(3-hydroxyalkanoate).

IPC Classes  ?

• C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
• C07C 51/43 - SeparationPurificationStabilisationUse of additives by change of the physical state, e.g. crystallisation
• C07C 51/44 - SeparationPurificationStabilisationUse of additives by change of the physical state, e.g. crystallisation by distillation
• C07C 51/48 - SeparationPurificationStabilisationUse of additives by liquid-liquid treatment

Abstract

The present invention relates to a composition comprising a polymer P1 comprising monomer units derived from vinylidene fluoride and a polymer P2 comprising monomer units derived from a monomer M2 of formula R1R2C═C(R3)C(O)R in which the substituents R1, R2 and R3 are, independently of each other, selected from the group consisting of H and C1-C5 alkyl; R is selected from the group consisting of —NHC(CH3)2CH2C(O)CH3 or —OR′ with R′ selected from the group consisting of C1-C18 alkyl optionally substituted by one or more —OH group(s) or a five- or six-membered heterocycle comprising at least one nitrogen atom in its cyclic chain, characterised in that the difference between the melting temperature and the crystallisation temperature of the composition is greater than or equal to 40° C. and in that the composition is in powder form.

IPC Classes  ?

• C08L 27/16 - Homopolymers or copolymers of vinylidene fluoride
• H01G 9/02 - DiaphragmsSeparators
• H01G 11/52 - Separators
• H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 50/426 - Fluorocarbon polymers

Abstract

The present invention relates to a composition comprising a polymer P1 comprising monomer units derived from vinylidene fluoride and a polymer P2 comprising monomer units derived from a monomer M2 of formula R1R2C═C(R3)C(O)R wherein the substituents R1, R2 and R3 are, independently from each other, selected from the group consisting of H and C1-C5alkyl; R is selected from the group consisting of —NHC(CH3)2CH2C(O)CH3 or —OR′ with R′ selected from the group consisting of C1-C18 alkyl optionally substituted by one or more —OH group(s) or a five- or six-membered heterocycle comprising at least one nitrogen atom in its cyclic chain, characterised in that the difference between the melting temperature and the crystallisation temperature of the composition is greater than or equal to 40° C.

IPC Classes  ?

• H01M 10/0565 - Polymeric materials, e.g. gel-type or solid-type
• C09D 5/02 - Emulsion paints
• C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
• C09D 133/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
• H01G 11/52 - Separators
• H01M 8/1039 - Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 50/42 - Acrylic resins
• H01M 50/426 - Fluorocarbon polymers
• H01M 50/449 - Separators, membranes or diaphragms characterised by the material having a layered structure

Abstract

The present invention relates to a process for the preparation of an aminosuccinic resin, and also to the aminosuccinic resin capable of being obtained according to this process, which exhibits an amine value of less than 190 mg KOH/g. Another subject matter of the invention is the use of this aminosuccinic resin in the manufacture of two-component binders containing at least one polyisocyanate.

IPC Classes  ?

• C08G 18/64 - Macromolecular compounds not provided for by groups
• C08G 73/02 - Polyamines
• C09D 175/02 - Polyureas

Abstract

The invention relates to a composition comprising a salt composed of a sodium cation and an anion of formula (II): The invention relates to a composition comprising a salt composed of a sodium cation and an anion of formula (II): wherein R1 and R2 independently represent a fluorine atom or a perfluorinated group, the composition having an acetamide content of from 0.1 to 1000 ppm by weight. The invention also relates to a process for preparing this composition and to an electrolyte comprising same.

IPC Classes  ?

• C01B 21/093 - Compounds containing nitrogen and non-metals containing one or more hydrogen atoms containing also one or more sulfur atoms
• H01M 10/054 - Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
• H01M 10/0569 - Liquid materials characterised by the solvents

Abstract

The present invention relates to a curable composition comprising an oligomer and a low viscosity reactive diluent. The oligomer comprises polymerized high Tg monomer units, polymerized low Tg monomer units, polymerized chromophore monomer units, and optionally at least one polymerized additional monomer unit. The invention also relates to use of the curable composition as a pressure sensitive adhesive curable composition and methods of coating a substrate.

IPC Classes  ?

• C09J 7/38 - Pressure-sensitive adhesives [PSA]

Abstract

The depolymerization method comprises the successive steps of pyrolizing a feed material containing polymer in a pyrolysis reactor so as to generate a hot gas stream, removing solid and liquid impurities from the gas stream in a separator and condensing the monomer contained in the gas stream in a condenser. The gas stream is transferred from the separator to the condenser via a transfer column which is provided with internals. Cold monomer in liquid state is injected into the transfer column, the internals being configured such that the cold monomer flows downwardly inside the transfer column by gravity, heavy contaminants contained in the gas stream condense in liquid state on the internals and flow back down by gravity towards the bottom of the transfer column and into the separator.

IPC Classes  ?

• C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only

Abstract

The invention relates to a composition comprising a salt composed of a sodium cation and an anion of formula (II): The invention relates to a composition comprising a salt composed of a sodium cation and an anion of formula (II): wherein R1 and R2 independently represent a fluorine atom or a perfluorinated group, the composition having a sulfamate ion content of from 0.1 to 3000 ppm by weight. The invention also relates to a process for preparing this composition and to an electrolyte comprising same.

IPC Classes  ?

• C01B 21/093 - Compounds containing nitrogen and non-metals containing one or more hydrogen atoms containing also one or more sulfur atoms
• H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 10/054 - Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
• H01M 10/0568 - Liquid materials characterised by the solutes

Abstract

A process for regenerating acrylic acid (AA), by thermal cracking, from heavy by-products (residues referred to as AAHP) from an AA production unit, with a view to recycling them in the acrylic acid production plant. This process includes two steps: hydrolysis carried out batchwise, and cracking carried out continuously, and improves the current performance of cracking plants.

IPC Classes  ?

• C07C 51/42 - SeparationPurificationStabilisationUse of additives

Abstract

The present invention relates to an alkyd emulsion comprising an alkyd resin based on a conjugated fatty acid and also a reactive surfactant. The invention also covers a process for the preparation of the alkyd emulsion and its use in decorative coatings. The coating obtained with this alkyd emulsion exhibits improved performance qualities in terms of water resistance and of hardness development.

IPC Classes  ?

• C08G 63/48 - Polyesters chemically modified by esterification by unsaturated higher fatty oils or their acidsPolyesters chemically modified by esterification by resin acids
• C08J 3/05 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media from solid polymers
• C09D 5/02 - Emulsion paints
• C09D 167/08 - Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
• C09J 167/08 - Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids

Abstract

A process for regenerating acrylic acid (AA), by thermal cracking, from heavy by-products (residues referred to as AAHP) from an AA production unit, with a view to recycling them in the acrylic acid production plant. This process consists of includes two steps carried out batchwise while improving the current performance of cracking plants.

IPC Classes  ?

• C07C 51/377 - Preparation of carboxylic acids or their salts, halides, or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groupsPreparation of carboxylic acids or their salts, halides, or anhydrides by reactions not involving formation of carboxyl groups by hydrogenolysis of functional groups
• C07C 51/43 - SeparationPurificationStabilisationUse of additives by change of the physical state, e.g. crystallisation
• C07C 51/50 - Use of additives, e.g. for stabilisation

Abstract

The current disclosure relates to a solventless NCO terminated prepolymer comprising the reaction product of: (1) a pure nonmodified 4,4′ MDI, (2) a silane coupling agent capable of being grafted to a urethane prepolymer and (3) a polyol. The current disclosure also relates to a solventless NCO terminated prepolymer synthesized by: (1) first, mixing a polyol and a silane mg coupling agent capable of being grafted to a urethane prepolymer, then (2) adding pure 4,4′ MDI, (3) allowing the composition to react at temperature, and (4) cooling the product. Finally, the current disclosure relates to a method of synthesizing an NCO terminated prepolymer comprising: (1) first mixing a polyol and a silane coupling agent capable of being grafted to a urethane prepolymer, (2) adding a pure 4,4′ MDI, (3) allowing the composition to react at temperature, (4) cooling the product. An adhesive comprising the disclosed prepolymer and an OH terminated prepolymer is also disclosed.

IPC Classes  ?

• C09J 175/12 - Polyurethanes from compounds containing nitrogen and active hydrogen, the nitrogen atom not being part of an isocyanate group
• C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step

Abstract

The invention relates to a process for preparing hydrazine hydrate, comprising the following successive steps: a) preparation by means of an absorption column of an aqueous solution comprising dissolved ammonia and comprising at least one activator, by introduction into the absorption column of an aqueous solution comprising at least one activator and of fresh ammonia, then b) reaction within at least one reactor of the aqueous ammonia solution comprising at least one activator obtained in the preceding step with hydrogen peroxide and a ketone, then c) separation of the organic phase containing the azine from the aqueous phase from the stream formed on conclusion of the preceding step, then d) hydrolysis of the organic phase obtained in the preceding step to obtain hydrazine hydrate.

IPC Classes  ?

• C01B 21/16 - HydrazineSalts thereof

Abstract

A composition for a thermoplastic material including: 0 to 70% by weight, preferably 20 to 60% by weight, of short reinforcing fibers, 30 to 100% by weight, preferably 40 to 80% by weight, of a thermoplastic matrix based on at least one semi-crystalline polyamide polymer, 0 to 50% of additives and/or other polymers, the semi-crystalline polyamide polymer being: a) a reactive composition including at least one reactive precursor polyamide prepolymer of said semi-crystalline polyamide polymer, or as an alternative to a), b) a non-reactive composition of at least one polyamide polymer, the composition being that of the thermoplastic matrix defined above, and the reactive polyamide prepolymer of composition a) and the polyamide polymer of composition b) including of at least one BACT/XT copolyamide.

IPC Classes  ?

• C08G 69/26 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
• B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
• B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
• C08J 5/00 - Manufacture of articles or shaped materials containing macromolecular substances
• C08L 77/06 - Polyamides derived from polyamines and polycarboxylic acids

Abstract

The invention relates to a method for manufacturing a tank, said method comprising #: (i) manufacturing an elongate and unconsolidated textile preform comprising several layers of the thermoplastic composite tapes, each layer comprising at least one tape wound at a given angle, said preform being manufactured by means of a specific device, said preform being manufactured according to a method comprising: implementing feed means on each of the modules, said feed means comprising selected tapes, said selected tapes comprising at least thermoplastic composite tapes, setting the speed of advance VI and the speed of rotation V2 of each of the modules and switching each module on, cutting the elongate element and/or exhausting the supply of tapes, and recovering the unconsolidated elongate textile preform obtained: step i) comprising no step of braiding the tapes, (ii) consolidating the textile preform obtained in the preceding step by heating and cooling the thermoplastic composite tapes.

IPC Classes  ?

• B29B 11/16 - Making preforms characterised by structure or composition comprising fillers or reinforcements
• B29C 70/32 - Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or coreShaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
• B29C 70/86 - Incorporating in coherent impregnated reinforcing layers
• B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
• B29L 31/00 - Other particular articles
• B60K 15/03 - Fuel tanks
• F17C 1/06 - Protecting sheatings built-up from wound-on bands or filamentary material, e.g. wires

Abstract

The present invention relates to additive compositions for controlling rheology and mechanical properties that can be used in polymerizable compositions, sealants, paints or else adhesives. These compositions provide an improvement in the control of the rheology; they have in particular a viscosity and a yield stress which can be adjusted. Owing to the nature of the constituents therein, they provide reinforcement of the mechanical properties of the formulations containing them.

IPC Classes  ?

• C08F 287/00 - Macromolecular compounds obtained by polymerising monomers on to block polymers
• B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
• C08F 2/50 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
• C08K 5/103 - EstersEther-esters of monocarboxylic acids with polyalcohols
• C08K 5/20 - Carboxylic acid amides
• C08K 7/20 - Glass
• C09D 7/40 - Additives
• C09D 7/43 - Thickening agents
• C09D 7/63 - Additives non-macromolecular organic
• C09D 7/65 - Additives macromolecular
• C09D 151/00 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers
• C09J 151/00 - Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsAdhesives based on derivatives of such polymers

Abstract

The present invention relates to a composition based on a polymerizable component and on a thixotropic additive and also to a two-component system containing said composition and to a process for preparing a crosslinked product from said composition. The invention also relates to the use of an additive for increasing the viscosity and/or imparting thixotropic properties to a polymerizable component.

IPC Classes  ?

• C09D 4/06 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
• C08F 220/14 - Methyl esters
• C08F 220/28 - Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
• C08F 222/10 - Esters
• C08F 222/22 - Esters containing nitrogen
• C09D 7/63 - Additives non-macromolecular organic
• C09D 133/12 - Homopolymers or copolymers of methyl methacrylate
• C09D 133/14 - Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
• C09D 135/02 - Homopolymers or copolymers of esters

Abstract

The present invention pertains to a continuous or semi-continuous process for producing a pre-activated organogelator paste, wherein the process comprises: (1) mixing at least one amide compound with at least one liquid carrier so as to provide a mixture, wherein the mixing is carried out at a temperature T1 which is below the activation temperature of the amide compound, (2) continuously flowing said mixture through a heat exchanger to increase its temperature to a temperature T2 that is at least equal to the activation temperature of said amide compound, so as to obtain a paste, (3) filling said paste into containers maintained at or above said activation temperature, and (4) retrieving and cooling said containers.

IPC Classes  ?

• C08G 69/44 - Polyester-amides

Abstract

The present invention relates to a process for the purification of an aqueous hydrogen peroxide solution, comprising at least one treatment on a reverse osmosis membrane and at least one electrodeionization treatment. The invention also relates to a process for the preparation of an aqueous hydrogen peroxide solution, comprising at least one stage of synthesis of an aqueous hydrogen peroxide solution, at least one treatment on a reverse osmosis membrane and at least one electrodeionization treatment of said solution. The invention also relates to an aqueous hydrogen peroxide solution capable of being obtained by the purification process or the preparation process, as are defined above.

IPC Classes  ?

• B01D 61/02 - Reverse osmosisHyperfiltration
• B01D 61/48 - Apparatus therefor having one or more compartments filled with ion-exchange material
• B01D 61/58 - Multistep processes
• B01D 71/56 - Polyamides, e.g. polyester-amides
• C02F 1/44 - Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
• C02F 1/469 - Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
• C02F 103/34 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups

Abstract

The present invention relates to a method for protecting a surface of a substrate by providing a curable composition comprising a (meth)acrylate-functionalized compound and a HALS, applying the composition on a surface of a substrate, curing the composition and converting the HALS to a halamine by treatment with a halogenating agent. The invention also relates to a curable composition comprising a HALS, to a cured composition comprising a halamine and to the use of a HALS to obtain an antimicrobial coating on a surface of a substrate.

IPC Classes  ?

• C09D 5/14 - Paints containing biocides, e.g. fungicides, insecticides or pesticides
• C08K 5/3435 - Piperidines
• C09D 7/48 - Stabilisers against degradation by oxygen, light or heat
• C09D 151/08 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCoating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

Abstract

A solvent-based polyurethane retort adhesive composition for producing laminates including: (A) at least one isocyanate compound, Component A; and (B) at least one isocyanate (NCO)-reactive component, Component B, comprising (1) at least one phosphate ester compound and (ii) at least one polyester polyol having an average molecular weight of greater than 3,000 g/mol; a process for producing the above adhesive; a multi-layer laminate product including the above adhesive; and a process for producing a laminate product using the above adhesive.

IPC Classes  ?

• C09J 175/08 - Polyurethanes from polyethers
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
• C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
• C08G 18/48 - Polyethers
• C08G 18/50 - Polyethers having hetero atoms other than oxygen
• C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic

Abstract

The invention relates to a composition comprising, relative to the total weight of the composition: from 20% to 90%, preferably from 40 to 70%, by weight of at least one polyamide block-polyether block copolymer, and from 10% to 80%, preferably from 30% to 60%, by weight, of at least one crosslinked rubber powder notably derived from used tires, from 0 to 5% of additives, preferably from 0.1% to 4%, notably from 1% to 2%; from 0 to 40% of compatibilizers, preferably from 5% to 20%, notably from 10% to 15%.

IPC Classes  ?

• C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
• B29B 17/04 - Disintegrating plastics
• B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
• B29K 105/26 - Scrap
• C08L 15/00 - Compositions of rubber derivatives
• C08L 17/00 - Compositions of reclaimed rubber

Abstract

A composition based on poly(arylene ether ketone) (PAEK) which is stable in the molten state, characterized in that it includes a phosphate salt or a mixture of phosphate salts, a process for the stabilization of a composition based on PAEK incorporating said phosphate salts and objects manufactured using the composition.

IPC Classes  ?

• C08K 3/32 - Phosphorus-containing compounds
• C08G 65/40 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols and other compounds
• C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
• C08L 71/00 - Compositions of polyethers obtained by reactions forming an ether link in the main chainCompositions of derivatives of such polymers

Abstract

The present invention relates to an electrochemical device comprising a separator and an electrolyte composition, characterized in that said separator comprises at least one coating comprising a polymer resin comprising monomer units of vinylidene fluoride and monomer units of formula R1R2C═C(R3)C(O)R wherein the substituents R1, R2 and R3 are selected, independently of one another, from the group consisting of H and C1-C5 alkyl; R is selected from the group consisting of —NHC(CH3)2CH2C(O)CH3 or —OR′ with R′ selected from the group consisting of H and C1-C1 alkyl optionally substituted with one or more —OH groups or a five- or six-membered heterocycle comprising at least one nitrogen atom in its cyclic chain, and said electrolyte composition comprises a solvent and a lithium salt; said electrolyte composition having a viscosity greater than 2 cP measured at 20° C. and with a shear of 20 s−1 or said solvent having a dipole moment greater than 2 Debye at 25° C.

IPC Classes  ?

• H01M 50/451 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 10/0568 - Liquid materials characterised by the solutes
• H01M 50/42 - Acrylic resins
• H01M 50/426 - Fluorocarbon polymers
• H01M 50/431 - Inorganic material

Abstract

The present invention relates to a process for producing hydrogen peroxide by the AO process, comprising the two alternating steps of: hydrogenation of a working solution in the presence of a catalyst, said working solution containing at least one quinone dissolved in at least one organic solvent, in order to obtain at least one corresponding hydroquinone; and oxidation of said at least one hydroquinone; the solvent corresponding to formula (I) below: The present invention relates to a process for producing hydrogen peroxide by the AO process, comprising the two alternating steps of: hydrogenation of a working solution in the presence of a catalyst, said working solution containing at least one quinone dissolved in at least one organic solvent, in order to obtain at least one corresponding hydroquinone; and oxidation of said at least one hydroquinone; the solvent corresponding to formula (I) below: in which n is an integer greater than or equal to 8.

IPC Classes  ?

• C01B 15/023 - Preparation from organic compounds by the alkyl-anthraquinone process

Abstract

Embodiments relate to a method for producing a shaped thermoplastic composite, the method including a pultrusion process and including: a step of feeding, providing fibers in a direction A of a pultrusion path, a step of wetting fibers which includes the passage of fibers through a thermoplastic composition, a step of heating, which includes a polymerization of the thermoplastic composition having impregnated the fibers to form a heated thermoplastic composite having a first section, a step of shaping through a shaping device having a second section, and the second section being smaller than the first section, to provide a heated thermoplastic composite having a second section, and a step of cooling to produce a shaped thermoplastic composite.

IPC Classes  ?

• B29C 70/52 - Pultrusion, i.e. forming and compressing by continuously pulling through a die
• B29C 70/54 - Component parts, details or accessoriesAuxiliary operations
• B29K 33/00 - Use of polymers of unsaturated acids or derivatives thereof, as moulding material
• B29L 31/06 - Rods, e.g. connecting rods
• C08F 220/14 - Methyl esters
• C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs

Abstract

The invention is mainly directed toward a water-dispersible copolyamide comprising at least four different polyamide units, in which: at least one of said polyamide units includes at least one sulfonate group, said polyamide sulfonate unit being present in a content of at least 15% by weight; and at least two of said polyamide units are derived from aliphatic monomers, it being understood that said copolyamide includes at least 15% by weight of sulfonate monomer and does not include more than 20% by weight of caprolactam-based unit. The invention is moreover directed toward a composition comprising said water-dispersible copolyamide, notably in filament form.

IPC Classes  ?

• C08G 69/14 - Lactams

Abstract

The present invention relates to a composition comprising a multistage polymer, its process of preparation, composition comprising it and its use. The present invention relates to a composition comprising a multistage polymer, its process of preparation, composition comprising it and its use. In particular the present invention relates to a composition in form of a polymer powder comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer. The present invention relates to a composition comprising a multistage polymer, its process of preparation, composition comprising it and its use. In particular the present invention relates to a composition in form of a polymer powder comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer. More particularly the present invention relates to polymer composition in form of a porous polymer powder comprising polymeric particles made by a multistage process comprising at least two stages and a (meth)acrylic polymer, its process of preparation, its use and compositions and articles comprising it.

IPC Classes  ?

• C08L 33/12 - Homopolymers or copolymers of methyl methacrylate
• C08F 120/14 - Methyl esters
• C08J 3/12 - Powdering or granulating

Abstract

The present disclosure provides a process for forming a laminate. The process includes (A) uniformly applying an isocyanate component to a first substrate, the isocyanate component containing an isocyanate compound; (B) uniformly applying an isocyanate-reactive component to a second substrate, the isocyanate-reactive component containing an amine-terminated compound; (C) bringing the first substrate and the second substrate together, thereby mixing and reacting the isocyanate component and the isocyanate-reactive component to form an adhesive composition between the first substrate and the second substrate; (D) curing the adhesive composition to bond the first substrate and the second substrate; and (E) forming the laminate.

IPC Classes  ?

• B32B 37/00 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• B32B 15/09 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyesters
• B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
• B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
• C08G 18/10 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
• C08G 18/38 - Low-molecular-weight compounds having hetero atoms other than oxygen
• C08G 18/48 - Polyethers
• C08G 18/50 - Polyethers having hetero atoms other than oxygen
• C08G 18/66 - Compounds of groups , , or
• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
• C09J 5/04 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving separate application of adhesive ingredients to the different surfaces to be joined
• C09J 175/08 - Polyurethanes from polyethers

Abstract

A process for manufacturing a polyether ketone ketone, involving: placing an aromatic ether or a mixture of aromatic ethers, including at least 50 mol % of 1,3-bis(4-phenoxybenzoyl)benzene, 1,4-bis(4-phenoxybenzoyl)benzene or a mixture thereof, relative to the total number of moles of aromatic ether(s), in contact with an acyl chloride or a mixture of acyl chlorides, and a Lewis acid, in all or part of a reaction solvent, so as to form a reaction mixture, the 1,3-bis(4-phenoxybenzoyl)benzene and/or 1,4-bis(4-phenoxybenzoyl)benzene essentially not being dissolved in the reaction solvent at the end of the step of placing in contact; and, polymerizing the reaction mixture, the polymerization being performed, at least in part, at a temperature Tp greater than or equal to 50° C.; the process including a step of gradual heating of the reaction mixture until acceleration of the polymerization reaction is achieved.

IPC Classes  ?

• C08G 61/12 - Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule

Abstract

A flame-retardant composition including, by weight: (a) from 30% to 85% by weight of at least one semicrystalline aliphatic polyamide having an inherent viscosity ranging from 1.2 to 1.6, as determined according to the standard ISO 307:2007 but while using m-cresol instead of sulfuric acid, a temperature of 20° C. and a concentration of 0.5% by weight, (b) from 10% to 30% by weight of at least one phosphinate flame retardant, (c) from 5% to 20% of at least one functionalized polyolefin, (d) from 2% to 8% of at least one plasticizer, (e) from 0 to 10% of at least one additive.

IPC Classes  ?

• C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
• B61D 49/00 - Other details
• C08K 5/5313 - Phosphinic compounds, e.g. R2=P(:O)OR'

Abstract

The present invention relates to a process for preparing a lithium salt A, comprising step a) of placing in contact a lithium salt B comprising at least one —S(O)2—F group with a compound C of formula (I) R—O—SiR1R2R3 in the presence of a catalyst D to form a mixture of products comprising said lithium salt A comprising at least one group —S(O)2—OR; said catalyst D being a compound with a pKa of greater than 11 measured at 25° C. The present invention also relates to a lithium salt of formula (IIIa), (IIIb), (IIIc), (IIId), (IIIe), (IIIf), (IIIg), (IIIh), (IIIi), (IIIj), (IVa), (IVb), (IVc) or (IVd).

IPC Classes  ?

• C07C 311/48 - Amides of sulfonic acids, i.e. compounds having singly-bound oxygen atoms of sulfo groups replaced by nitrogen atoms, not being part of nitro or nitroso groups having nitrogen atoms of sulfonamide groups further bound to another hetero atom
• C08F 222/40 - Imides, e.g. cyclic imides
• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries
• H01M 50/409 - Separators, membranes or diaphragms characterised by the material

Abstract

The present invention relates to a process for producing trifluoroethylene in a reactor equipped with a fixed catalytic bed comprising a catalyst, said process comprising a step a) of reacting a composition A comprising chlorotrifluoroethylene with hydrogen in the presence of a catalyst and in the gas phase in order to produce a stream B comprising trifluoroethylene, characterized in that said composition A also comprises at least one of the additional compounds C1 chosen from the group consisting of 1,1,1-trifluoroethane, 1,1,1,2-tetrafluoroethane, hexafluorocyclobutene, fluoroethane, 2-chloro-1,1,1-trifluoroethane and 1,2-dichlorohexafluorocyclobutane. The present invention also relates to a chlorotrifluoroethylene composition.

IPC Classes  ?

• C07C 17/25 - Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons

Abstract

Provided is a process for the production of hydrogen-enriched synthesis gas by a catalytic water-gas shift reaction operated on a raw synthesis gas. The reaction is carried out in the presence of at least one compound of formula (I): Provided is a process for the production of hydrogen-enriched synthesis gas by a catalytic water-gas shift reaction operated on a raw synthesis gas. The reaction is carried out in the presence of at least one compound of formula (I): Provided is a process for the production of hydrogen-enriched synthesis gas by a catalytic water-gas shift reaction operated on a raw synthesis gas. The reaction is carried out in the presence of at least one compound of formula (I): where the structural variable as are defined herein.

IPC Classes  ?

• C01B 3/16 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide using catalysts
• C01B 3/48 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents followed by reaction of water vapour with carbon monoxide

Abstract

The present invention relates to a non-fibrillizable binder for a dry-coated electrode, said binder consisting of a fluoropolymer having a melting point between 145° C. and 200° C. measured according to ASTM D3418 and a melt viscosity below 50 kP measured at 230° C. and at a shear rate of 100 s-1 measured according to ASTM D3835. More specifically. the invention relates to a dry-coated electrode for Li-ion battery. The invention also concerns the lithium-ion batteries manufactured by incorporating said electrode.

IPC Classes  ?

• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• C08K 3/04 - Carbon
• C09D 5/03 - Powdery paints
• C09D 5/24 - Electrically-conducting paints
• C09D 7/61 - Additives non-macromolecular inorganic
• C09D 127/16 - Homopolymers or copolymers of vinylidene fluoride
• H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

The present invention relates to a composition comprising at least one organic peroxide selected from the group consisting of dialkyl peroxides, peroxyketals or a mixture thereof and at least one unsaturated organic peroxide. The invention also relates to the use of such a composition for preventing the scorching of at least one crosslinkable composition. The present invention also relates to a method for crosslinking at least one crosslinkable composition comprising at least one crosslinkable polymer. The invention further relates to an article, in particular a moulded article or an extruded article, which can be obtained from the crosslinking method.

IPC Classes  ?

• C08K 5/14 - Peroxides
• C08J 3/00 - Processes of treating or compounding macromolecular substances
• C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques
• C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
• C08K 3/04 - Carbon
• C08K 5/3435 - Piperidines

Abstract

A rheology additive, according to which A) said additive includes: a) at least one symmetrical fatty diamide of formula (I): (AGH)—CONH—(PMDA)-NHCO-(AGH) (I), where (AGH) is a hydroxylated fatty acid residue R1CO2H, without —CO2H group, with R1 of C18 to C20 including a hydroxyl group, where —NHCO— or —CONH— is an amide group, (PMDA) is a residue without amine groups of 1,5-pentamethylenediamine; or alternatively, according to which: B) said additive includes: a) at least one symmetrical fatty diamide as defined above according to formula (I) and, in addition, b) at least one other symmetrical fatty diamide of formula (II): (AGH)—CONH—(R)—NHCO-(AGH) (II), where (AGH), —NHCO— and —CONH— have the same definition as that above in formula (I), and where (R) is a residue without amine groups of a diamine, other than (PMDA), chosen from cycloaliphatic, aliphatic or aromatic diamine.

IPC Classes  ?

• C07C 235/10 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by nitrogen atoms not being part of nitro or nitroso groups
• C08K 5/20 - Carboxylic acid amides
• C09D 7/43 - Thickening agents

Abstract

The present invention relates to a composition comprising a multistage polymer, a (meth)acrylic polymer and a monomer or prepolymer, its process of preparation and its use. The present invention relates to a composition comprising a multistage polymer, a (meth)acrylic polymer and a monomer or prepolymer, its process of preparation and its use. In particular the present invention relates to a process for preparing a composition comprising a multistage polymer in form of polymeric particles, a (meth)acrylic polymer, and a monomer or prepolymer. The present invention relates to a composition comprising a multistage polymer, a (meth)acrylic polymer and a monomer or prepolymer, its process of preparation and its use. In particular the present invention relates to a process for preparing a composition comprising a multistage polymer in form of polymeric particles, a (meth)acrylic polymer, and a monomer or prepolymer. More particularly the present invention relates to a liquid polymer composition comprising a multistage polymer, a (meth)acrylic polymer and a monomer or prepolymer, its process of preparation, its use particularly as a masterbatch.

IPC Classes  ?

• C08L 63/00 - Compositions of epoxy resinsCompositions of derivatives of epoxy resins
• C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques
• C09D 7/40 - Additives
• C09D 7/65 - Additives macromolecular
• C09D 163/00 - Coating compositions based on epoxy resinsCoating compositions based on derivatives of epoxy resins
• C09J 11/08 - Macromolecular additives
• C09J 163/00 - Adhesives based on epoxy resinsAdhesives based on derivatives of epoxy resins

Abstract

The present invention concerns the production of butyl acrylate by direct esterification of acrylic acid with butanol, this reaction being catalyzed by sulfuric acid. More specifically, it relates to an improved process for producing butyl acrylate, comprising a step of upgrading the heavy by-products generated during this production, leading to a high yield of a product meeting the standards in terms of purity and acidity, under optimized energy conditions.

IPC Classes  ?

• C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
• C07C 67/54 - SeparationPurificationStabilisationUse of additives by change in the physical state, e.g. crystallisation by distillation

Abstract

A process for treating a gaseous effluent obtained from a pyrolytic decomposition of one or more polymers, including: a condensation step, in a condensation chamber maintained at a first pressure, of a gaseous effluent placed in contact with an absorbent liquid, the temperature of the absorbent liquid being below the temperature of the gaseous effluent, a step of partial vaporization, by expansion of the condensate in a chamber maintained at a second pressure below the first pressure, a reinjection step which includes at least partly redirecting a first liquid or vapor fraction, obtained on conclusion of the partial vaporization step, to the condensation chamber, and a recovery step including purification of a second liquid or vapor fraction, obtained on conclusion of the partial vaporization step and charged with monomer(s).

IPC Classes  ?

• B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
• B01D 53/72 - Organic compounds not provided for in groups , e.g. hydrocarbons
• C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres

Abstract

The present invention relates to a method for preparing a mixture comprising an organic peroxide and an additional compound by transferring said organic peroxide of a solvent into a composition comprising the additional compound.

IPC Classes  ?

• C08G 63/78 - Preparation processes

Abstract

A multilayer tubular structure for transporting a heat transfer fluid, the multilayer tubular structure including: at least one layer (1) including a composition (1) including at least one long-chain polyamide (PA) having from 10 to 15 carbon atoms per nitrogen atom and including at least 50% of aliphatic units relative to the sum of the units present in said long-chain polyamide, at least one layer (2) located below said layer (1), including a composition (2) including at least one polyamide having from 4 to 9 carbon atoms per nitrogen atom, at least one layer (3) including a composition (3) including a hydrophobic polymer, a layer (4) including either a composition (4) including a PA6, a PA66 or a mixture thereof, from 5% to 50% by weight of at least one polyolefin, or a composition (4′) including at least one C8-C14 aliphatic polyamide, the layer (4) in contact with the fluid transported.

IPC Classes  ?

• F16L 11/04 - Hoses, i.e. flexible pipes made of rubber or flexible plastics

Abstract

A multilayer tubular structure intended for the transportation of motor vehicle fluids, having two layers: a layer (1) of a composition predominantly including at least one semicrystalline aliphatic polyamide, the composition having at least 50% of recycled material originating from a monolayer and/or multilayer tube having been intended for the transportation of motor vehicle fluids, the tube having a composition which includes at least one polyamide, the tube having undergone various treatments in order to be able to be recycled, a layer (2) of a composition including at least one semicrystalline aliphatic polyamide and optionally at least one impact modifier, and, when the layer (2) is a composition including at least one semicrystalline aliphatic polyamide which is PA12 and/or PA612 and/or PA1010, then the composition includes the impact modifier, and the layer (2) is at least 90% of nonrecycled material.

IPC Classes  ?

• B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
• B32B 1/08 - Tubular products
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/22 - Layered products essentially comprising synthetic resin characterised by the use of special additives using plasticisers

Abstract

The present invention relates to a (meth)acrylic composition suitable for (meth)acrylic polymeric compositions and composites, its method of preparation and its use. In particular the present invention relates to a (meth)acrylic composition that possesses once polymerized a certain heat resistance and that is suitable for (meth)acrylic composites used at higher temperatures. More particularly the present invention relates to a (meth)acrylic composition suitable for preparing (meth)acrylic polymeric compositions and composite materials. The present invention also relates also to a method for the preparation of such a (meth)acrylic composition and its use, but also (meth)acrylic polymeric compositions and composite materials prepared from such a (meth)acrylic composition. Additionally the invention also relates to a manufacturing process and to the uses of such a composite material that may be applied in many industrial sectors.

IPC Classes  ?

• C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
• C08J 3/20 - Compounding polymers with additives, e.g. colouring
• C08K 3/013 - Fillers, pigments or reinforcing additives
• C08K 5/14 - Peroxides
• C08K 5/3435 - Piperidines
• C08K 5/375 - Sulfides containing six-membered aromatic rings
• C08K 5/5425 - Silicon-containing compounds containing oxygen containing at least one C=C bond

Abstract

The present invention relates to a flame-retardant multilayer tubular structure for the cooling of electric vehicle batteries or of stationary energy storage system batteries, comprising at least two layers: an inner layer (I) comprising at least 40% of at least one thermoplastic polymer P1 chosen from a polyolefin and a thermoplastic elastomer and up to 5% by weight of a compound chosen from a heat stabilizer and a metal deactivator or a mixture of these, an outer layer (II) comprising a composition based on at least one predominant polyamide, said composition comprising, by weight: a) at least 50% of at least one polyamide, b) from 15% to 38% of at least one flame retardant, c) from 4% to 20%, in particular 4% to 15%, of a polyolefin, d) from 0% to 10%, in particular from 0.1% to 10%, by weight of at least one plasticizer, e) from 0% to 5%, in particular from 0.1% to 5%, of at least one additive, the sum a)+b)+c)+d)+e) being equal to 100%.

IPC Classes  ?

• H01M 10/613 - Cooling or keeping cold
• H01M 10/625 - Vehicles
• H01M 10/627 - Stationary installations, e.g. power plant buffering or backup power supplies

Abstract

The present invention relates to compositions of carbon nanotubes which can be used in solid form, that is to say in the absence of solvent. These compositions comprise at least one polymer and are readily dispersible in formulations for the manufacture of electrodes for batteries and in particular Li-ion batteries in liquid or solid processes. The invention also relates to the process for obtaining these powders, to their use in the manufacture of electrodes for batteries, and also to the batteries comprising them.

IPC Classes  ?

• C08J 3/12 - Powdering or granulating
• B29B 9/16 - Auxiliary treatment of granules
• B29K 27/00 - Use of polyvinylhalogenides as moulding material
• C08J 3/205 - Compounding polymers with additives, e.g. colouring in the presence of a liquid phase
• C08K 3/04 - Carbon
• C08K 5/109 - EstersEther-esters of carbonic acid

Abstract

The present invention relates to the use, for the drying of wet gas comprising traces of alkaline hydroxide, of a solid desiccant comprising at least one kaolin compound. The present invention relates to the use, for the drying of wet gas comprising traces of alkaline hydroxide, of a solid desiccant comprising at least one kaolin compound. The invention also relates to the process for drying wet gas comprising traces of alkaline hydroxide, comprising at least one stage of bringing said wet gas into contact with a solid desiccant comprising at least one kaolin compound.

IPC Classes  ?

• B01D 53/26 - Drying gases or vapours
• B01D 53/02 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
• B01D 53/28 - Selection of materials for use as drying agents
• B01J 20/18 - Synthetic zeolitic molecular sieves
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• C01B 3/56 - Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solidsRegeneration of used solids

Abstract

The present invention relates to an article comprising a first polymer material comprising at least one copolymer comprising PA polyamide blocks and PE polyether blocks (PEBA) and a second polymer material comprising a thermoplastic elastomer (TPE) polymer, the first polymer material and the second polymer material adhering directly to one another, and the first polymer material comprising hollow glass beads. The present invention also relates to the assembly of the first polymer material comprising hollow glass beads and of the second polymer material by a direct adhesion process.

IPC Classes  ?

• B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
• B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
• B29K 96/04 - Block polymers
• B29K 309/08 - Glass
• B29K 701/12 - Thermoplastic materials

Abstract

The invention relates to a continuous method for preparing polyamide by condensation, the method comprising the following consecutive steps: a) melting a mixture comprising polyamide monomers in an extruder or co-kneader, the monomers being delivered to the extruder or co-kneader without any water being added; and b) carrying out the polycondensation reaction of the mixture obtained at the end of step a) in a horizontal mixer-reactor, steps a) and b) of the method being carried out at a pressure close to atmospheric pressure.

IPC Classes  ?

• C08G 69/10 - Alpha-amino-carboxylic acids
• B01J 19/06 - Solidifying liquids
• B01J 19/20 - Stationary reactors having moving elements inside in the form of helices, e.g. screw reactors
• C08G 69/04 - Preparatory processes
• C08G 69/36 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino acids, polyamines, and polycarboxylic acids

Abstract

The present invention relates to mixtures comprising at least a first population P1 of inorganic solids of volume-average diameter VAD1 and a second population P2 of inorganic solids of volume-average diameter VAD2, the VAD2/VAD1 ratio of which is of between 0.10 and 0.60, limits included. The present invention relates to mixtures comprising at least a first population P1 of inorganic solids of volume-average diameter VAD1 and a second population P2 of inorganic solids of volume-average diameter VAD2, the VAD2/VAD1 ratio of which is of between 0.10 and 0.60, limits included. The present invention also relates to the use of said mixtures for catalytic reactions or separating or drying operations on gases and/or liquids.

IPC Classes  ?

• B01J 20/18 - Synthetic zeolitic molecular sieves
• B01J 20/28 - Solid sorbent compositions or filter aid compositionsSorbents for chromatographyProcesses for preparing, regenerating or reactivating thereof characterised by their form or physical properties
• B01J 35/40 - Catalysts, in general, characterised by their form or physical properties characterised by dimensions, e.g. grain size

Abstract

The invention relates to a process for manufacturing a polyether ketone ketone, which involves placing in contact an aromatic ether which is diphenyl ether, 1,3-bis(4-phenoxybenzoyl)benzene, 1,4-bis(4-phenoxybenzoyl)benzene or a mixture thereof, an acyl chloride which is isophthaloyl chloride, terephthaloyl chloride, or a mixture thereof, a Lewis acid, and a first fraction s1 of a reaction solvent, so as to form a premix at a temperature T0 less than or equal to 25° C. and placing the premix formed at T0 in contact with a fraction s2 of the reaction solvent, the fraction s2 of reaction solvent being preheated, so as to form a reaction mixture heated to a temperature T1.

IPC Classes  ?

• C08G 61/12 - Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule

Abstract

The present invention relates generally to the field of the storage of electrical energy in rechargeable storage batteries of Li-ion type. More specifically, the invention relates to a cathode coating for a completely solid Li-ion battery. The invention also relates to a process for the preparation of said coating. The invention also relates to a cathode coated with this coating, to the process for the manufacture of such a cathode and also to the Li-ion storage batteries comprising such a cathode.

IPC Classes  ?

• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• H01M 4/02 - Electrodes composed of, or comprising, active material
• H01M 4/13 - Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulatorsProcesses of manufacture thereof
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

The invention relates to a method for curing a curable composition, comprising a step of curing at a temperature of 100° C. or more and in the absence of oxygen, said composition with an organic peroxide formulation comprising a drying oil. The present invention also pertains to articles obtainable by said method.

IPC Classes  ?

• C08L 23/06 - Polyethene

Abstract

The present invention relates to a process for the purification of a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen, said process comprising a stage of bringing said mixture into contact with a membrane M1 to form a stream F1 comprising the fluorocarbon and a stream F2 comprising the hydrogen. The present invention also relates to a process for the production of trifluoroethylene. The present invention also relates to a process for the separation of a hydrofluoroolefin or of a hydrofluoroalkane from nitrogen by membrane separation. The present invention also relates to a process for the separation of trifluoroethylene from chlorotrifluoroethylene or from a hydrofluorocarbon.

IPC Classes  ?

• C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
• B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
• B01D 71/16 - Cellulose acetate
• B01D 71/26 - Polyalkenes
• B01D 71/34 - Polyvinylidene fluoride
• B01D 71/64 - PolyimidesPolyamide-imidesPolyester-imidesPolyamide acids or similar polyimide precursors

Abstract

The invention relates to an organic peroxide formulation comprising: —at least one organic peroxide having a one hour half-life temperature of from 90° C. to 130° C., and —at least one drying oil, wherein the weight ratio of the drying oil to the organic peroxide is lower than or equal to 0.60. The invention also relates to a composition comprising at least one polymer and such an organic peroxide formulation, to preparation methods thereof, and to a method for manufacturing an article using such a composition.

IPC Classes  ?

• C08K 5/14 - Peroxides
• C08K 5/00 - Use of organic ingredients
• C08K 5/541 - Silicon-containing compounds containing oxygen
• C08K 11/00 - Use of ingredients of unknown constitution, e.g. undefined reaction products
• C08L 23/06 - Polyethene

Abstract

The present invention relates generally to the field of the storage of electrical energy in all-solid-state batteries, in particular in storage batteries of Li-ion type. More specifically, the invention relates to a solid electrolyte consisting of a polymer matrix and of a fibrous reinforcement which makes possible the manufacture of a non-porous film exhibiting a very good compromise between ion conductivity, electrochemical stability, high-temperature stability and mechanical strength. This film is intended for an all-solid-state battery separator application, in particular for Li-ion batteries. The invention also relates to an all-solid-state battery comprising such a separator and/or such an electrolyte.

IPC Classes  ?

• H01M 10/0564 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
• H01M 10/052 - Li-accumulators
• H01M 50/426 - Fluorocarbon polymers

Abstract

The invention relates to an elastic filament comprising a copolymer containing polyamide blocks and polyether blocks, —the polyamide blocks being chosen from PA 11, PA 12, PA 1010, PA 1012, PA 1014, the copolymer thereof and the mixture thereof, —the polyether blocks being blocks derived from polytetramethylene glycol having a weight-average molecular mass of between 500 and 3000 g/mol, —the enthalpy of fusion of the copolymer being between 15 and 50 J/g.

IPC Classes  ?

• D01F 6/82 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from copolycondensation products from polyester amides or polyether amides
• C08G 69/40 - Polyamides containing oxygen in the form of ether groups
• C08J 11/06 - Recovery or working-up of waste materials of polymers without chemical reactions
• D01F 8/12 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the likeManufacture thereof from synthetic polymers with at least one polyamide as constituent
• D01F 8/16 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the likeManufacture thereof from synthetic polymers with at least one other macromolecular compound obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
• D03D 15/283 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
• D03D 15/56 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads elastic

Abstract

A multilayer structure for transporting or storing gas including, from the inside to the outside, at least one sealing layer and at least one composite reinforcing layer, the innermost composite reinforcing layer being welded to the outermost adjacent sealing layer, the sealing layers being a composition predominantly including at least one semi-crystalline thermoplastic polymer P1i (i=1 to n, n being the number of sealing layers), the Tm of which is less than 280° C., and at least one of said composite reinforcing layers being a fibrous material in the form of continuous fibers impregnated with a composition predominantly including at least one thermoplastic polymer P2j, (j=1 to m, m being the number of reinforcing layers), the thermoplastic polymer P2j having a Tg greater than the maximum temperature of use of the structure (Tu), with Tg≥Tu +20° C., Tu being greater than 50° C.

IPC Classes  ?

• B32B 15/088 - Layered products essentially comprising metal comprising metal as the main or only constituent of a layer, next to another layer of a specific substance of synthetic resin comprising polyamides
• B29C 48/152 - Coating hollow articles the inner surfaces thereof
• B29C 63/00 - Lining or sheathing, i.e. applying preformed layers or sheathings of plasticsApparatus therefor
• B29C 63/34 - Lining or sheathing of internal surfaces using tubular layer or sheathings
• B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
• B29L 23/00 - Tubular articles
• B32B 1/00 - Layered products having a non-planar shape
• B32B 1/08 - Tubular products
• B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
• B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
• B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
• F16L 9/147 - Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
• F16L 9/16 - Rigid pipes wound from sheets or strips, with or without reinforcement

Abstract

Depolymerization method and system The depolymerization method is provided for recovering a monomer from a polymer and comprises the successive steps of pyrolyzing a feed material containing the polymer into a pyrolysis reactor so as to generate a gas stream, directing the gas stream from the pyrolysis reactor to a separator configured for removing impurities from the gas stream and directing the gas stream from the separator to a condenser for condensing the monomer contained in the gas stream. The temperature of the gas stream in the separator is maintained equal or higher than the boiling temperature of the monomer.

IPC Classes  ?

• C07C 67/333 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisationPreparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by change of size of the carbon skeleton
• B01D 5/00 - Condensation of vapoursRecovering volatile solvents by condensation
• C10B 1/04 - Vertical retorts
• C10B 53/07 - Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of synthetic polymeric materials, e.g. tyres

Abstract

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 and polyisocyanates, more particularly polymaleic anhydrides and polyepoxides, c) from 0 to 2% of at least one additive, more particularly 10 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 ISO 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.

IPC Classes  ?

• B29C 49/00 - Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mouldApparatus therefor
• B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
• B29C 48/36 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
• B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
• B32B 1/08 - Tubular products
• B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
• B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
• B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides

Abstract

The present invention relates to novel photoinitiators having hydroxyl groups and/or (meth)acrylate groups. The invention also relates to compositions comprising these photoinitiators as well as their use for photopolymerizing ethylenically unsaturated compounds.

IPC Classes  ?

• C07C 235/20 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton being acyclic and saturated having at least one of the singly-bound oxygen atoms further bound to a carbon atom of a six-membered aromatic ring, e.g. phenoxyacetamides having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
• C07D 335/16 - Oxygen atoms, e.g. thioxanthones
• C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
• C08J 3/28 - Treatment by wave energy or particle radiation
• C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes

Abstract

Embodiments relate to a (meth)acrylic composition and also to a composite material obtained by polymerization of such a (meth)acrylic composition. Embodiments may relate to a (meth)acrylic composition comprising also a block copolymer, preferably a (meth)acrylic block copolymer and also to a composite material obtained by polymerization of such a (meth)acrylic composition comprising a block copolymer, preferably a (meth)acrylic block copolymer. Embodiments may relate to a (meth)acrylic composition comprising also a (meth)acrylic block copolymer and a mineral filler as well to a composite material obtained by polymerization of such a (meth)acrylic composition comprising a (meth)acrylic block copolymer and a mineral filler. Embodiments may relate to a manufacturing process of a (meth)acrylic composition comprising a (meth)acrylic block copolymer and a mineral filler, manufacturing process of composite material obtained by polymerization of such a (meth)acrylic composition and also to the uses of such a (meth)acrylic composition and obtained composite material.

IPC Classes  ?

• C08L 33/06 - Homopolymers or copolymers of esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
• C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs

Abstract

The present invention concerns an improved depolymerization process of contaminated polymers such as PMMA, comprising the separation of contaminants from the resulting monomers, by using appropriate agents for trapping the contaminants.

IPC Classes  ?

• C08J 11/12 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by dry-heat treatment only
• C07C 67/333 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisationPreparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by change of size of the carbon skeleton

Abstract

The present invention relates to a process for the purification of a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen, said process comprising a stage of bringing said mixture into contact with a membrane M1 to form a stream F1 comprising the fluorocarbon and a stream F2 comprising the hydrogen. The present invention also relates to a process for the production of trifluoroethylene. The present invention also relates to a process for the separation of a hydrofluoroolefin or of a hydrofluoroalkane from nitrogen by membrane separation. The present invention also relates to a process for the separation of trifluoroethylene from chlorotrifluoroethylene or from a hydrofluorocarbon.

IPC Classes  ?

• C07C 17/38 - SeparationPurificationStabilisationUse of additives
• C07C 17/20 - Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
• C07C 17/25 - Preparation of halogenated hydrocarbons by splitting-off hydrogen halides from halogenated hydrocarbons

Abstract

The present invention relates to photopolymerizable adhesive compositions used in the encapsulation of electronic and optoelectronic devices, in particular flexible electronic and optoelectronic devices, for example photovoltaic cells, in order to protect them against gas and moisture permeation.

IPC Classes  ?

• C09J 133/12 - Homopolymers or copolymers of methyl methacrylate
• C09J 4/06 - Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups
• H10K 30/88 - PassivationContainersEncapsulations

Abstract

The present invention relates to chemically bonded nonwoven substrates and to polyester binders for chemically bonding nonwoven fibers of a nonwoven substrate.

IPC Classes  ?

• D04H 1/587 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives characterised by the bonding agents used
• D04H 1/64 - Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions

Abstract

The present invention relates to a process for the purification of a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen, said process comprising a stage of bringing said mixture into contact with a membrane M1 to form a stream F1 comprising the fluorocarbon and a stream F2 comprising the hydrogen. The present invention also relates to a process for the production of trifluoroethylene. The present invention also relates to a process for the separation of a hydrofluoroolefin or of a hydrofluoroalkane from nitrogen by membrane separation. The present invention also relates to a process for the separation of trifluoroethylene from chlorotrifluoroethylene or from a hydrofluorocarbon.

IPC Classes  ?

• C07C 17/38 - SeparationPurificationStabilisationUse of additives

Abstract

An actinic radiation curable composition includes one or more oxetane functional compounds; b) one or more epoxy functional compounds; c) one or more (meth) acry late functional compounds; and d) one or more photoinitiators. The oxetane functional compounds are present in the composition at from 55% to 90%, preferably from 60% to 90%, more preferably from 70% to 90%, by weight based on the total weight of the oxetane functional compounds and the epoxy functional compounds in the composition.

IPC Classes  ?

• C08G 65/26 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds

Abstract

A copolymer having amide structural elements and polyether structural elements and containing at least one structural element A, at least one structural element B and at least one structural element C, wherein: structural element A is an aliphatic amide repeat unit containing 10 or more carbon atoms, structural element B is an aliphatic amide repeat unit selected from a structural element obtained from at least one amino acid, a structural element obtained from at least one lactam, and a structural element X2.Y2, structural element B containing from 6 to 36 carbon atoms; structural element A being different from structural element B, structural element C is a repeat unit of the formula X3.Y3 obtained from the polycondensation of at least one polyethylene glycol diamine and/or at least one polypropylene glycol diamine designated X3 and having a molecular weight of between 200 and 1000 and a linear aliphatic dicarboxylic acid designated Y3.

IPC Classes  ?

• C09J 177/06 - Polyamides derived from polyamines and polycarboxylic acids
• C08G 69/40 - Polyamides containing oxygen in the form of ether groups
• C09J 5/06 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive

Abstract

Two-component solventless polyurethane adhesive compositions are disclosed comprising an isocyanate component comprising an isocyanate blend, and a polyol component comprising an amine-initiated polyol comprising two or more primary hydroxyl groups and a backbone incorporating tertiary amines, wherein the amine-initiated polyol comprises a functionality of from 2 to 12, a hydroxyl number of from 5 to 1,830, and a viscosity at 40° C. of from 500 to 20,000 mPa-s, and a silicone-based additive (e.g., an anti-foaming agent and/or a wetting agent). The adhesive compositions are formulated such that the isocyanate and polyol components can be applied to separate substrates prior to mixing. Laminate structures comprising the disclosed adhesive compositions and further comprising a polymeric barrier substrate are also disclosed.

IPC Classes  ?

• C09J 175/12 - Polyurethanes from compounds containing nitrogen and active hydrogen, the nitrogen atom not being part of an isocyanate group
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/30 - Layered products essentially comprising synthetic resin comprising vinyl resinLayered products essentially comprising synthetic resin comprising acrylic resin
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides
• C08G 18/12 - Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
• C08G 18/32 - Polyhydroxy compoundsPolyaminesHydroxy amines
• C08G 18/72 - Polyisocyanates or polyisothiocyanates
• C08G 18/73 - Polyisocyanates or polyisothiocyanates acyclic
• C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
• C08K 3/36 - Silica
• C09J 183/12 - Block or graft copolymers containing polysiloxane sequences containing polyether sequences

Abstract

The invention relates to a method for producing a bent thermoplastic composite, comprising 35% or less in volume of a polymeric matrix including (meth)acrylic polymers, and at least 65% in volume of fiber, where the method includes (a) a step of providing the thermoplastic composite; (b) a step of heating a portion of the thermoplastic composite, said heating being selected between, conduction, radial and/or volumetric and the heating duration and/or the heating temperature being selected according to at least the thickness of the thermoplastic composite; (c) a step of creating a bent section in the heated portion by bending the heated portion; and (d) a step of cooling the bent section to solidify it and to form a bent thermoplastic composite, at a cooling temperature and/or a cooling duration selected in accordance with the glass transition temperatures (Tg) of the bent thermoplastic composite.

IPC Classes  ?

• B29C 53/02 - Bending or folding
• B29C 35/08 - Heating or curing, e.g. crosslinking or vulcanising by wave energy or particle radiation
• B29C 53/00 - Shaping by bending, folding, twisting, straightening or flatteningApparatus therefor
• B29C 53/14 - Twisting
• B29C 53/84 - Heating or cooling
• B29C 70/52 - Pultrusion, i.e. forming and compressing by continuously pulling through a die
• B29K 33/00 - Use of polymers of unsaturated acids or derivatives thereof, as moulding material
• B29K 309/08 - Glass

Abstract

The present invention relates to an alkoxylated cycloaliphatic epoxide according to the following formula (I) wherein each R1 and R2 is independently selected from H and Me; L is the residue of a polyol; each a is independently from 2 to 4; each b is independently 0 to 20 with the proviso that at least one b is not 0; c is at least 3. The invention also relates to compositions comprising a compound of formula (I) and a process for the preparation of a cured product. Cured products according to the invention are in particular 3D-printed articles. The present invention relates to an alkoxylated cycloaliphatic epoxide according to the following formula (I) wherein each R1 and R2 is independently selected from H and Me; L is the residue of a polyol; each a is independently from 2 to 4; each b is independently 0 to 20 with the proviso that at least one b is not 0; c is at least 3. The invention also relates to compositions comprising a compound of formula (I) and a process for the preparation of a cured product. Cured products according to the invention are in particular 3D-printed articles.

IPC Classes  ?

• C08G 59/32 - Epoxy compounds containing three or more epoxy groups
• C09D 163/00 - Coating compositions based on epoxy resinsCoating compositions based on derivatives of epoxy resins
• C09J 163/00 - Adhesives based on epoxy resinsAdhesives based on derivatives of epoxy resins

Abstract

A composition including: at least one (hydro)halogenated olefin having the chemical formula: CX1X2═CX3X4 (I) where X1 is selected from F and Cl, and where X2, X3 and X4 are independently selected from H, F and Cl; and, at least one aliphatic alkene, having a boiling point of less than or equal to 80° C. measured at 1013 hPa; wherein the (hydro)halogenated olefin is solely in gaseous form or in the form of a liquid-gas equilibrium.

IPC Classes  ?

• C07C 17/42 - Use of additives, e.g. for stabilisation
• C07C 21/18 - Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine

Abstract

The present invention relates to a process for the purification of a fluorocarbon from a mixture comprising said fluorocarbon and hydrogen, said process comprising a stage of bringing said mixture into contact with a membrane M1 to form a stream F1 comprising the fluorocarbon and a stream F2 comprising the hydrogen. The present invention also relates to a process for the production of trifluoroethylene. The present invention also relates to a process for the separation of a hydrofluoroolefin or of a hydrofluoroalkane from nitrogen by membrane separation. The present invention also relates to a process for the separation of trifluoroethylene from chlorotrifluoroethylene or from a hydrofluorocarbon.

IPC Classes  ?

• C07C 17/38 - SeparationPurificationStabilisationUse of additives
• B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
• B01D 71/16 - Cellulose acetate
• B01D 71/26 - Polyalkenes
• B01D 71/34 - Polyvinylidene fluoride
• B01D 71/52 - Polyethers
• B01D 71/64 - PolyimidesPolyamide-imidesPolyester-imidesPolyamide acids or similar polyimide precursors
• B01D 71/70 - Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only

Abstract

The present invention relates to a (meth)acrylic composition suitable for (meth)acrylic polymeric compositions and (meth)acrylic polymeric composites, its method of preparation, its use and obtained (meth)acrylic polymeric compositions and (meth)acrylic polymeric composites. In particular the present invention relates to a (meth)acrylic composition that is crosslinked once polymerized and that is suitable for (meth)acrylic composites and more particular for reinforcing elements or fibre reinforced polymer (FRP) rebars. More particularly the present invention relates to a (meth)acrylic composition suitable for producing reinforcing elements or FRP rebars, preparing such a (meth)acrylic composition, composite reinforcing elements or rebar comprising it after polymerization and method of preparing such a composite reinforcing elements or FRP rebar. The present invention also relates also to the use of such a (meth)acrylic composition and the use of reinforcing elements or FRP rebars for concrete.

IPC Classes  ?

• C08F 265/06 - Polymerisation of acrylate or methacrylate esters on to polymers thereof
• C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
• C08J 5/04 - Reinforcing macromolecular compounds with loose or coherent fibrous material
• C08J 5/24 - Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs

Abstract

The invention relates to a composition comprising, relative to the total weight of the composition: from 20% to 90%, preferably from 40% to 70%, by weight of at least one thermoplastic elastomer (TPE), preferably an elastomeric thermoplastic copolymer, and from 10% to 80%, preferably from 30% to 60%, by weight of at least one crosslinked rubber powder, the crosslinked rubber powder having a specific surface area of between 0.08 m2/g and 100 m2/g, preferably between 0.1 and 80 m2/g, more preferentially between 0.1 and 50 m2/g, from 0 to 5%, preferably from 0.1% to 4% and notably from 1% to 2% of additives; from 0 to 40%, preferably from 5% to 20% and notably from 10% to 15% of compatibilizers.

IPC Classes  ?

• C08L 19/00 - Compositions of rubbers not provided for in groups
• B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
• B29K 407/00 - Use of natural rubber as filler
• C08L 75/04 - Polyurethanes
• C08L 77/10 - Polyamides derived from aromatically bound amino and carboxyl groups of amino carboxylic acids or of polyamines and polycarboxylic acids

Abstract

The present invention relates generally to the field of electrical energy storage in the lithium storage batteries of Li-ion type. More specifically, the invention relates to a non-fibrillizable binder for a dry-coated electrode for Li-ion battery. Another subject matter of the invention is a process for making an electrode using said binder. The invention also concerns the lithium-ion batteries manufactured by incorporating said electrode.

IPC Classes  ?

• H01M 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
• C08F 114/22 - Vinylidene fluoride
• C08F 214/22 - Vinylidene fluoride
• C08F 214/28 - Hexafluoropropene
• H01M 4/04 - Processes of manufacture in general
• H01M 4/58 - Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFySelection of substances as active materials, active masses, active liquids of polyanionic structures, e.g. phosphates, silicates or borates
• H01M 4/583 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx
• H01M 10/0525 - Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodesLithium-ion batteries

Abstract

The invention relates to a process for preparing hydrazine hydrate, comprising a step of hydrolyzing an azine in a distillation column in the presence of at least one silicone of the polydialkylsiloxane, polydiarylsiloxane or polyalkyl-arylsiloxane formula. The invention relates to a process for preparing hydrazine hydrate, comprising a step of hydrolyzing an azine in a distillation column in the presence of at least one silicone of the polydialkylsiloxane, polydiarylsiloxane or polyalkyl-arylsiloxane formula. The invention also relates to the use of at least one silicone of the polydialkylsiloxane formula as an anti-foaming agent in a process for preparing azine hydrate.

IPC Classes  ?

• C01B 21/16 - HydrazineSalts thereof
• B01D 3/34 - Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances

Abstract

The present invention relates to a process for preparing lithium bis(fluorosulfonyl)imide, comprising the following steps of: contacting of bis(fluorosulfonyl)imide with a lithium base in a solvent selected from carbonates, ethers and nitriles, to obtain a mixture comprising lithium bis(fluorosulfonyl)imide and water; diafiltration of the mixture on a nanofiltration membrane so as to obtain, firstly, a concentrate enriched in lithium bis(fluorosulfonyl)imide and depleted in water and, secondly, a permeate depleted in lithium bis(fluorosulfonyl)imide and enriched in water. The present invention also relates to a process for preparing an Li-ion battery electrolyte.

IPC Classes  ?

• C01D 15/00 - Lithium compounds
• H01M 10/0561 - Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only

Abstract

The present invention relates to a polymer powder for the manufacture of articles by 3D printing, in particular by sintering, comprising a thermoplastic polymer, antioxidants, and a particular metal oxide, metal hydroxide and/or hydrotalcite, having improved thermal stability, improved recyclability and improved consistency of mechanical properties of the sintered parts. The present invention relates to a polymer powder for the manufacture of articles by 3D printing, in particular by sintering, comprising a thermoplastic polymer, antioxidants, and a particular metal oxide, metal hydroxide and/or hydrotalcite, having improved thermal stability, improved recyclability and improved consistency of mechanical properties of the sintered parts. 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.

IPC Classes  ?

• C08K 5/372 - Sulfides
• B29C 64/357 - Recycling
• B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
• B33Y 70/10 - Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
• C08G 69/06 - Solid state polycondensation
• C08G 69/08 - Polyamides derived from amino carboxylic acids or from polyamines and polycarboxylic acids derived from amino carboxylic acids
• C08J 3/12 - Powdering or granulating
• C08J 3/20 - Compounding polymers with additives, e.g. colouring
• C08K 3/22 - OxidesHydroxides of metals
• C08K 3/36 - Silica
• C08K 5/134 - Phenols containing ester groups
• C08K 9/06 - Ingredients treated with organic substances with silicon-containing compounds

Abstract

The present invention relates to a composite material comprising a) at least one elastomer, and b) an amount equal to or greater than 30% by weight, relative to the total weight of said composite material, of type 3A zeolite in which the cationic sites are occupied by the potassium cation, the sodium cation, at least one alkaline earth metal cation from column IIA of the periodic table and the hydronium ion. The present invention relates to a composite material comprising a) at least one elastomer, and b) an amount equal to or greater than 30% by weight, relative to the total weight of said composite material, of type 3A zeolite in which the cationic sites are occupied by the potassium cation, the sodium cation, at least one alkaline earth metal cation from column IIA of the periodic table and the hydronium ion. The invention also relates to the use of said composite material as an adsorbent material, for the production of master batches, for packaging and for the production of double-glazing.

IPC Classes  ?

• C08K 3/34 - Silicon-containing compounds

Abstract

A tank comprising a multi-layer structure, for storing compressed gas, including in succession from inside to outside at least the three following layers: at least one sealing layer of a composition including at least one semi-crystalline thermoplastic polyamide having a Tm of less than or equal to 280° C., at least one intermediate composite reinforcing layer of a fibrous material in the form of continuous fibres impregnated with a composition including at least one semi-crystalline thermoplastic polyamide having a Tg of less than 100° C., at least one outer composite reinforcing layer of a fibrous material in the form of continuous fibres impregnated with a composition including at least one polyphthalamide having a Tg of greater than 80° C., the outermost sealing layer being welded to the innermost intermediate composite reinforcing layer and the outermost intermediate composite reinforcing layer being welded to the innermost outer composite reinforcing layer.

IPC Classes  ?

• F17C 1/16 - Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
• B32B 5/28 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by the presence of two or more layers which comprise fibres, filaments, granules, or powder, or are foamed or specifically porous one layer being a fibrous or filamentary layer impregnated with or embedded in a plastic substance
• B32B 27/12 - Layered products essentially comprising synthetic resin next to a fibrous or filamentary layer
• B32B 27/34 - Layered products essentially comprising synthetic resin comprising polyamides

Abstract

The present invention relates to a method for reactivating an anthraquinone hydrogenation catalyst for the preparation of hydrogen peroxide, comprising at least one step of bringing said catalyst into contact with an aqueous solution comprising ammonia. The invention also relates to the use of an aqueous ammonia solution for reactivating an anthraquinone hydrogenation catalyst for the preparation of hydrogen peroxide.

IPC Classes  ?

• B01J 38/66 - Liquid treating or treating in liquid phase, e.g. dissolved or suspended using alkaline materialLiquid treating or treating in liquid phase, e.g. dissolved or suspended using salts using ammonia or derivatives thereof
• B01J 38/02 - Heat treatment
• B01J 38/52 - Liquid treating or treating in liquid phase, e.g. dissolved or suspended using organic liquids oxygen-containing
• B01J 38/56 - Hydrocarbons

Abstract

The present invention relates to a flame retarded insulating composition for covering electric battery busbars, comprising by weight: (a) from 30 to 65%, more particularly from 30 to 63.9%, in particular from 30 to 60%, of at least one semi-crystalline aliphatic polyamide, (b) from 15 to 40%, more particularly from 15 to 30%, of at least one semi-aromatic polyamide, (c) from 15 to 30%, more particularly from 20 to 25%, of at least one phosphinate flame retardant, (d) from 5 to 20%, more particularly from 5 to 15%, of at least one functionalized polyolefin, (e) from 0 to 6%, more particularly from 1 to 6%, in particular between 2 and 4%, of at least one plasticizer, (f) from 0 to 10%, more particularly 10 from 0.1 to 5%, of at least one additive, the sum of the constituents (a) to (f) being equal to 100%.

IPC Classes  ?

• C09D 177/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
• C08K 5/56 - Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
• C09D 5/18 - Fireproof paints
• H01M 50/143 - FireproofExplosion-proof
• H01M 50/24 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion

Abstract

A curable oligomer is the reaction product of: x equivalents of at least one diepoxy a); y1 equivalents of at least one unsaturated carboxylic acid b); and y2 equivalents of at least one polycarboxylic acid c) comprising at least three carboxylic acid groups. x is defined as the number of moles of epoxy groups in component a), y1 is defined as the number of moles of carboxylic acid groups in component b), and y2 is defined as the number of moles of carboxylic acid groups in component c).

IPC Classes  ?

• C08G 59/24 - Di-epoxy compounds carbocyclic
• C08G 59/42 - Polycarboxylic acidsAnhydrides, halides, or low-molecular-weight esters thereof
• C08G 59/68 - Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups characterised by the catalysts used

Abstract

The present invention relates to a molding composition comprising, by weight: a) from 50% to 99% of a semicrystalline aliphatic polyamide exhibiting an inherent viscosity of less than or equal to 1.10, in particular of less than or equal to 1.00, in particular of less than or equal to 0.95, especially of less than or equal to 0.9, as determined according to the standard ISO 307:2007 but while using m-cresol instead of sulfuric acid, a temperature of 20° C. and a concentration of 0.5% by weight, b) from 1% to 50% of recycled carbon fibers exhibiting a mean length of less than or equal to 6 mm before compounding, said recycled carbon fibers being surface-coated (sized) with a polyamide, in particular an aliphatic polyamide, c) from 0% to 5% of at least one additive, the sum of the components a), b) and c) being equal to 100%.

IPC Classes  ?

• C08K 3/04 - Carbon
• B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
• B29K 77/00 - Use of polyamides, e.g. polyesteramides, as moulding material
• B29K 307/04 - Carbon
• C08K 7/06 - Elements
• C08K 9/08 - Ingredients agglomerated by treatment with a binding agent