Electrode compositions [binder (B)] for use in the preparation of electrodes for electrochemical devices, including a polytetrafluoroethylene (PTFE); and a low melting point VDF-based fluororesin [polymer (A)] having a melting point of less than 220° C., said polymer (A) comprising: at least 50% by moles of recurring units derived from VDF, with respect to all recurring units of said polymer (A), and recurring units derived from at least one comonomer (CM), said comonomer (CM) being selected from a hydrophilic (meth)acrylic comonomer [comonomer (MA)] and a fluorinated comonomer [comonomer (F)].
H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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
2.
COMPOSITION COMPRISING AMORPHOUS SILICA AND AROMATIC POLYMER
The present invention relates to a composition comprising a) at least one hydrogenated oil and/or (per)fluorinated oil and b) from 2.00 to 55.00 wt% of a mixture comprising at least one amorphous silica and at least one aromatic polymer, wherein the wt% is relative to the total weight of the composition. The present invention also relates to use of a mixture of at least one amorphous silica and at least one aromatic polymer as a thickener in a grease formulation.
C10M 123/04 - Lubricating compositions characterised by the thickener being a mixture of two or more compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being a macromolecular compound
C10M 169/02 - Mixtures of base-materials and thickeners
3.
METHOD FOR THE EMULSION POLYMERIZATION OF FLUOROMONOMER
The invention pertains to a process for polymerizing fluoromonomers in the presence of a certain amphiphilic reversible addition fragmentation chain transfer (RAFT) agent.
The present invention relates to a primer that improves adhesiveness between an electro active material and a current collector, and to an electrode comprising the same.
The present invention pertains to crosslinkable vinylidene fluoride copolymers comprising recurring units derived from hydrophilic monomers useful for producing shaped articles characterized by improved performances.
B29B 9/06 - Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
B29K 27/00 - Use of polyvinylhalogenides as moulding material
B29K 105/00 - Condition, form or state of moulded material
B29K 105/24 - Condition, form or state of moulded material cross-linked or vulcanised
B29K 509/00 - Use of inorganic materials not provided for in groups , as filler
C08F 299/00 - Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
The present invention relates to a binder for a non-aqueous electrolyte rechargeable battery, a negative electrode slurry for a rechargeable battery, a negative electrode for a rechargeable battery, and a rechargeable battery comprising the same.
C08F 226/06 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
The present invention relates to a polymer for a non-aqueous electrolyte rechargeable battery, an electrode slurry for a rechargeable battery and a rechargeable battery comprising the same.
The present invention relates to VDF-based fluoropolymers with outstanding metal-adhesion properties for use as a binding agent for electrodes for batteries.
The present invention relates to a binder for a non-aqueous electrolyte rechargeable battery, a negative electrode slurry for a rechargeable battery, a negative electrode for a rechargeable battery, and a rechargeable battery comprising the same.
The present invention relates to an electrode composition comprising PTFE and a cross- linkable fluororesin, to a method for its preparation and to its use for the manufacture of electrochemical cell components.
The present invention relates to an electrode composition comprising PTFE and a cross- linkable fluororesin composition, to a method for its preparation and to its use for the manufacture of electrochemical cell components.
The present invention pertains to a binder for a secondary battery positive electrode, to a method of preparation of said electrode and to its use in a secondary battery. The invention also relates to the secondary batteries manufactured by incorporating said electrode.
H01M 4/131 - Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/1391 - Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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 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 10/054 - Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
H01M 4/02 - Electrodes composed of, or comprising, active material
Hydrophilic vinylidene fluoride copolymers and preparation method thereof are provided. The copolymers comprise recurring units derived from hydrophilic monomers. The use of the same for producing articles characterized by improved performances.
The present invention pertains to a binder for Li-ion battery positive electrode, to a method of preparation of said electrode and to its use in a Li-ion battery. The invention also relates to the Li-ion batteries manufactured by incorporating said electrode.
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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 4/62 - 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 4/02 - Electrodes composed of, or comprising, active material
The present patent application relates to block copolymers comprising (per)fluoropolyether chains useful as lubricants and characterized by increased viscosity.
C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
C10M 107/38 - Lubricating compositions characterised by the base-material being a macromolecular compound containing halogen
The present invention pertains to a method for making a reinforced shaped article comprising the steps of: a) providing one or more fluoropolymers having a melting point Tm, said one or more fluoropolymers being characterized in that they: (i) comprise more than 30% by moles of recurring units derived from VDF, with respect to the total number of recurring units of the polymer; (ii) have iodine-containing chain ends —CH2I in an amount of 0.1 to 0.9 per chain; b) dissolving said fluoropolymer in a suitable solvent and forming a precursor solution c) precipitating said fluoropolymer as a solid from said precursor solution thereby obtaining a shaped article comprising said fluoropolymer e) thermally treating said shaped article for at least 15 minutes at a temperature comprised between 100° C. and the lowest melting point Tm of said one or more fluoropolymers thereby obtaining said reinforced shaped article.
The present invention relates to a lubrication system for a propulsion system of an electric or hybrid vehicle said lubrication system comprising a (per)fluoropolyether polymer as base oil and at least one thickener.
The invention pertains to certain fluoroelastomer compositions comprising (i) a fluoroelastomer (fluoroelastomer A), being obtained from an emulsion polymerization process performed in the absence of fluorinated surfactants, comprising iodine and/or bromine atoms and having a backbone comprising 40-80% by moles of recurring units derived from vinylidene fluoride (VDF), 20-60% by moles of recurring units derived from one or more additional fluorinated monomer different from VDF, (ii) one or more organic peroxide, (iii) one or more curing co-agent, (iv) one or more fatty acid salt. The composition results in cured parts with improved c-set performance with respect to the same compositions without the addition of a fatty acid salt.
The present invention relates to binder compositions comprising certain amorphous (per)fluorinated polymer powders having improved solubility and to the use of the same for preparing components of secondary batteries and solid state batteries.
The present invention pertains to a binder for a secondary battery positive electrode, to a method of preparation of said electrode and to its use in a secondary battery. The invention also relates to the secondary batteries manufactured by incorporating said electrode.
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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 4/62 - 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
The present invention relates to an electrode composition comprising PTFE and at least one copolymer of maleic anhydride and di-isobutylene, to a method for its preparation and to its use for the manufacture of electrochemical cell components.
The present invention pertains to vinylidene fluoride copolymers comprising recurring units derived from hydrophilic monomers and to their use as binder for electrodes in Li-ion batteries.
The present invention pertains to a method of making a latex-blended composition of a fluorinated thermoplastic elastomer and of a (per)fluoroelastomer, to the composition obtained therefrom, and to the use of the same for making shaped parts, said composition possessing an improved softness/mechanical properties compromise.
The present invention pertains to binder compositions comprising vinylidene fluoride polymers and to their use in the preparation of electrodes for secondary batteries.
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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 4/62 - 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
The present invention relates to a method of making a fluoroelastomer [fluoroelastomer A] in an aqueous reaction medium free from fluorinated surfactants said method comprising: a: forming a mixture comprising: i) water ii) one or more fluorinated solvent, having less than 0.1 mmoles of ionic functional groups per kg of solvent, and preferably being free from ionic functional groups, iii) a free-radical initiator, iv) monomers comprising tetrafluoroethylene (TFE) and one or more perlfuoroalkyvinylether (PAVE), v) optionally one or more chain transfer agent; b: initiating the polymerization of said monomers, thereby forming a fluoroelastomer [fluoroelastomer A] as a stable latex, wherein: - said mixture is free from fluorinated surfactants - the weight ratio between said one or more fluorinated solvent and said water is from 0.1 to 10, - said fluoroelastomer A comprises 30-85% by moles of recurring units derived from tetrafluoroethylene, and 5-50% by moles of recurring units derived from one or more PAVE.
The present invention relates to an electrode-forming composition comprising a tetrafluoroethylene (TFE) (co)polymer having a specific surface area of 4 m2/g or less, preferably 2 m2/g or less, measured pursuant to the method ISO9277, at least one electroactive material, optionally at least one solid ionic conducting inorganic material and optionally at least one processing aid; to a separator- forming composition comprising said TFE (co)polymer, at least one solid ionic conducting inorganic material, and optionally at least one processing aid; to a process for manufacturing an electrode or a separator by using the compositions, and to an electrode or a separator obtainable by the process. The present invention also relates to a process for manufacturing a gel polymer electrode; to a gel polymer electrode obtainable by the process; to a secondary battery comprising an electrode, a separator or a gel polymer electrode according to the present invention, and to use of the TFE (co)polymer in a binder composition for a secondary battery.
The present invention relates to a composition comprising a (per)fluoropolyether polymer as base oil and a salt of a (per)fluoropolyether polymer as an additive, so that the composition has a volume resistivity suitable for use as lubricants.
C10M 157/04 - Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being a nitrogen-containing compound
The present invention relates to a copolymer comprising (per)fluoropolyether chains and functional groups that confer discharging properties to the copolymer itself.
C08G 65/00 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
C08G 65/38 - 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
C10M 157/04 - Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups , each of these compounds being essential at least one of them being a nitrogen-containing compound
The present invention relates to a lubricant composition comprising a (per)fluoropolyether polymer as base oil, a salt of a (per)fluoropolyether polymer as a conductive additive and at least one thickener.
The invention pertains to an insulating assembly part for an electrochemical cell comprising one or more fluoropolymers, said fluoropolymers comprising —87-99% by moles of recurring units derived from tetrafluoroethylene (TFE) —1-13% by moles of recurring units derived from perfluoro methyl vinyl ether (PMVE) —0-3% by moles of recurring units derived from perfluoropropyl vinyl ether (PPVE) and having a melt flow rate (MFR) of from 40 to 300 g/10 min (measured at 372° C. under a 5 kg load).
H01M 50/586 - Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
The invention relates to VDF polymer powders comprising primary particles having a median diameter in the range 15 to 50 microns and a total pore volume of 0.70 to 2.00 mL/g which are obtained by suspension polymerization. The powders can be used to form stable suspensions in water. The suspensions can be used in the preparation of articles such as components for batteries as well as membranes.
222222) particles to fluorinated polymers containing sulfonic acid functional groups increases their stability towards radical degradation when used in fuel cell applications or in electrolysis applications.
The present invention pertains to vinylidene fluoride copolymers comprising recurring units derived from hydrophilic monomers and to their use as binder for electrodes in Li-ion batteries.
Composition (C) for manufacturing aqueous dispersion comprising particles of a fluorinated polymer (F) The invention relates to a composition (C) suitable for manufacturing an aqueous dispersion comprising particles of a fluorinated polymer (F) comprising recurring units derived from at least one fluorinated monomer. The invention also relates to a method for preparing the composition (C) and to a process for manufacturing aqueous dispersion comprising particles of fluorinated polymers (F) using said composition (C) and to a latex obtained via such process.
C08L 27/12 - Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCompositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
C09D 127/12 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCoating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
The invention pertains to fluorinated copolymers comprising recurring units bearing silane groups, and to their use as binder for electrodes in Li-ion batteries.
The present invention pertains to electrode-forming compositions, comprising an electro-active material and a VDF based polymer comprising at least 70% by moles of recurring units derived from VDF, less than 0.9% by moles of recurring units derived from monomers comprising a functional group selected from carbonylic, carboxylic, sulfonic, sulfinic, phosphonic, hydroxy, —SH, ester or mixtures thereof, having a TM between 130° C. and 180° C. and comprising less than 700 mmoles/kg of chain ends —CF2H and —CF2CH3. The composition has good adhesion and is physically stable over time. The invention also relates to the use of said electrode-forming compositions in a process for the manufacture of electrodes, to said electrodes and to electrochemical devices such as secondary batteries comprising said electrodes.
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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
39.
METHOD FOR MANUFACTURING PARTIALLY FLUORINATED POLYMERS
The present invention pertains to hydrophilic vinylidene fluoride polymers, to a process for preparing these polymers and to the use of the same for producing articles characterized by improved performances.
C09D 127/22 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCoating compositions based on derivatives of such polymers modified by chemical after-treatment
The present invention relates to a method for manufacturing fluoroelastomers via emulsion polymerization in the absence of fluorinated surfactants and in the presence of one or more polycarboxylic acid having from 2 to 22 carbon atoms. The invention also relates to an aqueous fluoroelastomer latex and to a fluoroelastomer which can be obtained from the process.
The present invention relates to a polymeric composition comprising a polymer component A consisting of one or more vinylidene fluoride (VDF) homopolymers in an amount of 90-100% by weight of the polymer component A, and, optionally, of one or more VDF copolymers being present in an amount of 0-10% by weight of the polymer component A, a polymer component B, consisting of one or more (per)fluoropolyethers, in an amount of from 0.05 to 2% by weight based on the weight of polymer component A and a polymer component C, consisting of one or more per(halo)fluoropolymers, in an amount of from 0.1 to 10% by weight based on the weight of polymer component A. The composition is easily processable and have extremely high mechanical properties at elevated temperatures.
The present invention relates to a composition for making an electrolyte layer suitable for use in an electrochromic device, combining transparency and adhesion to glazing, to an electrolyte layer obtained therefrom, to an electrochromic device comprising the same, and to its use as glazing.
G02F 1/1516 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material comprising organic material
C08J 3/09 - Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
C08J 3/205 - Compounding polymers with additives, e.g. colouring in the presence of a liquid phase
The present invention relates to novel polyimide polymers containing certain fluorinated diamine moieties, said polyimide polymers being characterized by excellent dielectric performances. The present invention also relates to the use of said polyimide-based polymers in polymer compositions in microelectronics applications.
The present invention relates to novel polyimide polymers containing certain fluorinated diamine moieties, said polyimide polymers being characterized by excellent dielectric performances. The present invention also relates to the use of said polyimide-based polymers in polymer compositions in microelectronics applications.
The present invention relates to a polymeric composition comprising a first polymer component C being selected from TFE/PAVE polymers comprising a small amount of chlorinated monomers selected from chlorotrifluoroethylene and dichlorodifluoroethylene and a second optional polymer component D being selected from TFE/PAVE polymers and being free from chlorine. The polymeric composition of the invention is characterized in that it has a total Cl content of from 0.01 to 0.25% by weight. The composition of the invention has very good adhesion on metals and plastics despite a very low total level of chlorine.
C09J 127/18 - Homopolymers or copolymers of tetrafluoroethene
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 15/08 - 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
B32B 15/20 - Layered products essentially comprising metal comprising aluminium or copper
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
C09J 5/06 - Adhesive processes in generalAdhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
The present invention pertains to vinylidene fluoride copolymers comprising recurring units derived from hydrophilic monomers that comprise a carboxyl group, whereby the polymers have ethyl carbonate end groups, and to their use as binders for electrodes in Li- ion batteries.
The present invention pertains to vinylidene fluoride polymers containing ethyl carbonate end groups and to their use as binders for electrodes in secondary batteries.
The present invention relates to electrode compositions comprising certain polytetrafluoroethylene polymers, to a method for their preparation and to their use for the manufacture of electrochemical cell components.
The present invention relates to a composition comprising a) at least one fluorinated acyclic carboxylic acid ester and b) at least one halogenated benzene, and to a lithium secondary battery comprising the composition in a liquid electrolyte. The present invention also relates to use of the composition in a liquid electrolyte for a lithium secondary battery.
The invention pertains to a fluoropolymer composition comprising certain thermoprocessable tetrafluoroethylene copolymers, certain amounts of graphite particles, to the use of this latter for manufacturing shaped articles, and to shaped articles therefrom, including components for heat exchangers, e.g. conduits used for cooling and/or heating fluids, e.g. gas flows in flue gas desulphurization units.
The present invention relates to new copolymers comprising (per)fluoropolyether chains and functional groups as pendant groups along the backbone of the copolymers.
C08F 2/48 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
C08F 283/06 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polyethers, polyoxymethylenes or polyacetals
C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
C08G 65/00 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
C08G 65/333 - Polymers modified by chemical after-treatment with organic compounds containing nitrogen
C08G 65/334 - Polymers modified by chemical after-treatment with organic compounds containing sulfur
C08G 65/337 - Polymers modified by chemical after-treatment with organic compounds containing other elements
C08L 71/00 - Compositions of polyethers obtained by reactions forming an ether link in the main chainCompositions of derivatives of such polymers
H01B 3/56 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances gases
55.
FLUORINATED NITRO COMPOUNDS HAVING A LOW GLOBAL WARMING POTENTIAL
The present invention relates to novel fluorinated nitrocompounds having low GWP and to the use of fluorinated nitrocompounds having low GWP as heat transfer fluids in various applications.
21818 carboxylic acids; - b) the mixture obtained at the end of step a) is optionally treated so as to remove from the molten mixture at least one solid material; - c) the hydrolysis of the molecules of polyamide(s) present in the mixture obtained at 10 the end of step a) or optional step b), is performed in an aqueous medium either (i) by an acidic or basic hydrolysis involving an acid (Ac) or a base (Ba) and performed at a pH respectively lower than 6.0 or higher than 8.0 or (ii) by an enzymatic hydrolysis; - d) a stream (S) comprising the diacid (A), the diamine (B) and compound (A*), each 15 of these three compounds being either in their free form or in the form of a salt, is recovered at the end of step c) and is further processed in order to separate and recover the diacid (A), the diamine (B) and compound (A*).
C08J 11/14 - 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 treatment with steam or water
C08J 11/26 - 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 treatment with organic material by treatment with organic oxygen-containing compounds containing carboxylic acid groups, their anhydrides or esters
The present invention relates to a fluid-system component comprising a thermoplastic polymeric composition, said composition comprising one or more semi crystalline polymer, said semi crystalline polymer comprising recurring units derived from ethylene (E) and at least one of chlorotrifluoroethylene (CTFE) and tetrafluoroethylene (TFE); said semi crystalline polymer having a heat of fusion of less than 35 J/g [polymer (A)], and wherein said thermoplastic polymeric composition when subject to the extraction test described herein has a leeching of less than 50 ppb preferably less than 10 ppb for each of Ca, Fe, K, Na, Zn, Ti, Sn, Ce, Cu, Zr, Bi, Si, Al, Sb.
The present invention pertains to a coating composition comprising a vinylidene fluoride polymer aqueous dispersion and to its use for the manufacture of electrochemical cell components, such as separators.
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 50/454 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising a non-fibrous layer and a fibrous layer superimposed on one another
H01M 50/457 - Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
244, wherein b) the fluorinated olefin monomer is present in an amount from 0.1 to 10.0 mol%, the mol% being relative to the total moles of recurring units; to a solid composite electrolyte comprising at least one fluoropolymer according to the present invention and at least one sulfide-based solid ionic conducting inorganic particle; to a slurry for manufacturing a solid composite electrolyte comprising a binder solution according to the present invention and at least one sulfide-based solid ionic conducting inorganic particle, optionally further comprising at least one electroactive material and/or at least one conductive agent; and to an electrode comprising at least one fluoropolymer according to the present invention and at least one electroactive material, optionally further comprising at least one conductive agent and/or at least one sulfide-based solid ionic conducting inorganic particle. The present invention also relates to a secondary battery comprising a positive electrode, a negative electrode, and a membrane that is positioned between the positive electrode and the negative electrode, wherein at least one of the positive electrode, the negative electrode and the membrane comprises at least one fluoropolymer according to the present invention, optionally further comprising at least one sulfide-based solid ionic conducting inorganic particle, at least one electroactive material and/or at least one conductive agent.
288 chloro and/or bromo and/or iodo fluoroolefin, the mol% being relative to the total moles of recurring units, wherein the solid composite electrolyte does not contain a lithium salt; to a slurry for manufacturing a solid composite electrolyte comprising a) a fluoroelastomer and b) a sulfide-based solid ionic conducting inorganic particle that differs from a lithium salt, and c) at least one non-aqueous solvent, wherein the slurry does not contain a lithium salt; and to a solid-state battery comprising a positive electrode, a negative electrode and a membrane, at least one among which comprises a solid composite electrolyte according to the present invention. The present invention also relates to a binder solution for a solid-state battery comprising a) at least one fluoroelastomer and c) at least one non-aqueous solvent.
28288 fluoroolefin, wherein i), ii) and iii) are different from each other; to a slurry for manufacturing a solid composite electrolyte comprising a) at least one fluoropolymer according to the present invention and b) a sulfide-based solid ionic conducting inorganic particle, and c) at least one non-aqueous solvent; to an electrode comprising a solid composite electrolyte according to the present invention, d) at least one electroactive material, and optionally e) at least one conductive agent; and to a solid state battery comprising a positive electrode, a negative electrode and a membrane, at least one among which comprises a solid composite electrolyte according to the present invention. The present invention also relates to a binder solution for a solid state battery comprising a) at least one fluoropolymer according to the present invention and c) at least one non-aqueous solvent.
The present invention relates to fuel cells that incorporate seal means, in particular seal means for sealing a bipolar plate to a membrane in a PEM fuel cell stack. The resulting fuel cell stack exhibits superior leak resistance and reduced ion leaching in water.
2222-O-R-OH (II) wherein: - R in formulas (I) and (II) is independently selected from C2-C10 divalent linear or branched alkyl, optionally including a cycle, an aromatic ring and/or oxygen heteroatoms engaged in ether bonds, - X is selected from halogens, H, Rf, wherein Rf is selected from: -- a C1-C8 fully or partially fluorinated linear or branched alkyl optionally including a cycle, or -- a C1-C3 fully or partially fluorinated alkoxy, the two instances of X in formula (I) being the same or different, preferably being the same, - the amount of the one or more compounds of formula (II) is from 0.002 to 5% by weight of the one or more compounds of formula (I).
A liquid composition comprising one or more compounds according to general formula (I): and one or more compound according to general formula (II): wherein: A and B, are independently selected from F, Cl, H, C1-C3 fluorinated alkyl, C1- C3 fluorinated alkoxy, R is selected from H, C1-C4 alkyl, C1-C4 alkoxy or halogen, and wherein A, B and R in formulas (I) and (II) can be the same or different and are preferably the same; and wherein the amount of the one or more compounds of formula (II) is from 0.002 to 5% by weight of the one or more compounds of formula (I).
A process for making hydrofluoroethers, the process comprising: • A) providing a mixture comprising one more polar aprotic organic solvents having a boiling point measured at 1 atm (1.01 bar) of from 60°C to 170°C and one or more chemical compounds carrying at least one -OH group which is part of an alcohol or of a phenol group, and • B): reacting said one or more chemical compounds carrying at least one -OH group with one or more fluorinated olefin in the presence of a basic catalyst thus providing a reacted mixture comprising one or more hydrofluoroethers.
The present invention pertains to a surfactant free method for manufacturing a fluoropolymer F comprising, preferably consisting of:
from 45 to 95% by moles of recurring units derived from tetrafluoroethylene (TFE)
from 5 to 35% by moles of recurring units derived from vinylidene fluoride (VDF)
from 0.5 to 20% by moles of one or more perfluoroalkylvinylether (PAVE) of formula (I)
The present invention pertains to a surfactant free method for manufacturing a fluoropolymer F comprising, preferably consisting of:
from 45 to 95% by moles of recurring units derived from tetrafluoroethylene (TFE)
from 5 to 35% by moles of recurring units derived from vinylidene fluoride (VDF)
from 0.5 to 20% by moles of one or more perfluoroalkylvinylether (PAVE) of formula (I)
CF2═CF—O—Rf (I)
The present invention pertains to a surfactant free method for manufacturing a fluoropolymer F comprising, preferably consisting of:
from 45 to 95% by moles of recurring units derived from tetrafluoroethylene (TFE)
from 5 to 35% by moles of recurring units derived from vinylidene fluoride (VDF)
from 0.5 to 20% by moles of one or more perfluoroalkylvinylether (PAVE) of formula (I)
CF2═CF—O—Rf (I)
wherein Rf is a C1-C6 perfluoroalkyl group and
wherein the molar amounts of said recurring units are relative to the total moles of recurring units in said polymer F.
C09D 127/12 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogenCoating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
The present invention pertains to a vinylidene fluoride polymer, to a process for manufacturing said vinylidene fluoride polymer and to an article comprising said vinylidene fluoride polymer.
The present invention relates to compositions comprising novel (per)fluoropolyether polymers, endowed with antimicrobial properties, to methods for the manufacture thereof and to their use to provide compositions having antimicrobial properties.
Disclosed are fibers comprising a composition comprising a fluorinated polymer comprising a plurality of ion exchange groups or a precursor thereof and an aromatic polyamide-imide polymer. The fibers are obtained by electrospinning or forcespinning a composition comprising a fluorinated polymer comprising a plurality of ion exchange groups or a precursor thereof and an aromatic polyamide-imide polymer. The fibers can be arranged into webs suitable for the preparation of composite membranes. In particular composite ion exchange membranes suitable for use in proton exchange fuel cells or filtration devices.
H01M 8/1044 - Mixtures of polymers, of which at least one is ionically conductive
H01M 8/124 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
H01M 8/126 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides the electrolyte containing cerium oxide
71.
NOVEL (PER)FLUOROPOLYETHER POLYMERS AND USE THEREOF
The present invention relates to novel (per)fluoropolyether (PFPE) polymers, to a process for their manufacture and to their use as additives in coating compositions. Specifically, the invention relates to a (per)fluoropolyether polymer [polymer (PP)] comprising a (per)fluoropolyoxyalkylene chain [chain (Rpf)] having two chain ends bonded to opposite sides of said chain (Rpf), wherein: * one of said chain ends comprises at least one, preferably from 1 to 3, group (group [I]) selected from: alkoxysilane [group (Si)] or cross-linkable group, preferably selected from unsaturated moiety [group (U)] and epoxide [group (E)]; and * the other chain end comprises at least one, preferably from 1 to 3, group (group [II]) selected from: optionally substituted piperidine, optionally substituted pyridine or optionally substituted pyrrole.
C08G 65/00 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
C08G 65/333 - Polymers modified by chemical after-treatment with organic compounds containing nitrogen
C08G 65/334 - Polymers modified by chemical after-treatment with organic compounds containing sulfur
C08G 65/336 - Polymers modified by chemical after-treatment with organic compounds containing silicon
C09D 171/00 - Coating compositions based on polyethers obtained by reactions forming an ether link in the main chainCoating compositions based on derivatives of such polymers
72.
NOVEL (PER)FLUOROPOLYETHER POLYMERS AND USE THEREOF
The present invention relates to compositions comprising novel (per)fluoropolyether polymers, endowed with antimicrobial properties, to methods for the manufacture thereof and to their use to provide compositions having antimicrobial properties.
28299-C(O)-; from 0 wt% to 50 wt% of at least one reinforcing agent and from 0 wt% to 30 wt% of at least one additive, with excellent thermal stability. The present invention also relates to an article or composite material manufactured by the additive manufacturing method.
B29C 64/118 - Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
The present invention pertains to a binder for Li-ion battery positive electrode, to a method of preparation of said electrode and to its use in a Li-ion battery. The invention also relates to the Li-ion batteries manufactured by incorporating said electrode.
H01M 4/136 - Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
H01M 4/1397 - Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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 4/02 - Electrodes composed of, or comprising, active material
75.
HEAT EXCHANGE METHOD USING FLUORINATED VINYLETHERS HAVING A LOW GWP
The present invention relates to a method for exchanging heat with an object said method comprising using a heat transfer fluid wherein said heat transfer fluid comprises one or more chemical compounds having the general formula: Rf—O—CF2—O—CX═CYZ (I) wherein Rf can be any C2-C6 linear, branched or C5C6 cyclic saturated carbon chain which can be partially or fully fluorinated, and can comprise 0-5 Oxygen atoms which, when present, are all engaged in ether bonds, and wherein X, Y and Z can be independently selected from halogens or hydrogen, with the proviso that at least one of X, Y or Z is a halogen.
H01L 23/473 - Arrangements for cooling, heating, ventilating or temperature compensation involving the transfer of heat by flowing fluids by flowing liquids
The present invention relates to a method for separating the electrode materials from the current collector in a battery electrode, said method comprising: a-providing at least one electrode said electrode comprising a current collector and a layer of electrode material adhered onto said current collector, said layer of electrode material comprising electro active materials in powder form and a binder b- contacting said electrode to a gas or a supercritical fluid at a pressure of (60) to 300 bar, c- rapidly decreasing the pressure of said gas or supercritical fluid of at least (60) bar within (30) seconds or less thereby causing rapid decompression of said gas.
H01M 10/54 - Reclaiming serviceable parts of waste accumulators
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 4/62 - Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 6/52 - Reclaiming serviceable parts of waste cells or batteries
77.
METHOD FOR MAKING FLUOROPOLYMERS CONTAINING ION EXCHANGE GROUPS
3aaaa is H, an ammonium group or a monovalent metal. The invention further relates to fluoropolymer dispersions comprising the fluorinated polymer with ion exchange groups and the polymeric derivative including ionic groups.
C09D 127/18 - Homopolymers or copolymers of tetrafluoroethene
C08F 259/08 - Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group on to polymers containing fluorine
C08F 2/26 - Emulsion polymerisation with the aid of emulsifying agents anionic
78.
METHOD FOR MAKING FLUOROPOLYMERS CONTAINING ION EXCHANGE GROUPS
The invention pertains to a method of making fluoropolymers comprising ion exchange groups using certain polymeric derivatives including a plurality of ionic groups selected from the group consisting of –SO3Xa and –COOXa, whereas Xa is H, an ammonium group or a monovalent metal. The invention further relates to fluoropolymer dispersions comprising the fluorinated polymer with ion exchange groups and the polymeric derivative including ionic groups.
C08F 259/08 - Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group on to polymers containing fluorine
C09D 127/18 - Homopolymers or copolymers of tetrafluoroethene
The invention pertains to a thermoplastic fluoropolymer composition comprising one or more polymer A comprising recurring units derived from ethylene and recurring units derived from halogenated monomers selected from chlorotrifluoroethylene (CTFE) and tetrafluoroethylene (TFE) and one or more polymer B comprising recurring units derived from ethylene, recurring units derived from halogenated monomers selected from CTFE and TFE, and recurring units derived from hexafluoroisobutylene (HFIB) and/or perfluoropropylvinylether (PPVE). The resulting composition allows to manufacture films having exceptional transparency and good mechanical properties which can be used for examples as architectural films.
The present invention generally relates to blends of poly acrylic acid (PAA) and polyacrylamide (PAM) and their use as binders in negative electrodes for lithium ion batteries.
The present invention relates to a thermoplastic polymeric composition comprising: a) one or more functionalized polyolefin as component A, b) one or more functionalized fluoropolymer as component B, c) one or more non functionalized polyolefin as component C, d) one or more non functionalized fluoropolymer as component D, wherein, - the total amount of components A and B is 1-50% by weight of the total amount of components A, B, C and D, - the total amount of components C and D is 50-99% by weight of the total amount of components A, B, C and D, - the weight ratio between components A and B is from 1:1.2 to 1:10, - the weight ratio between components C and D is from 1:1.2 to 1:5, - said one or more functionalized polyolefin (A) comprising functional groups X and said one or more functionalized fluoropolymer (B) comprising functional groups Y, and - one of the following conditions i) or ii) is satisfied: i) said functional groups X and Y are reactive with each other, ii) said functional groups are non reactive with each other and said thermoplastic polymeric composition comprises an additional component (E) said component (E) consisting of one or more reactive compatibilizer compounds, said reactive compatibilizer compounds comprising at least one free functional group which is reactive with functional group X and one free functional groups which is reactive with functional group Y for each molecule of said reactive compatibilizer compound.
The present invention provides compounds that include a fluorinated allyl xanthate group of formula (I). The invention also relates to a process for making these compounds and the use of said compounds as chain transfer agents or as monomers. The invention relates also to polymers, including copolymers, comprising units deriving from compounds of formula (I).
C07C 329/16 - Esters of dithiocarbonic acids having sulfur atoms of dithiocarbonic groups bound to acyclic carbon atoms
C08F 28/02 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur by a bond to sulfur
The present disclosure pertains to vinylidene fluoride copolymers comprising recurring units derived from hydrophilic (meth)acrylic monomers and fluoro monomers compositions, and to their use in the manufacturing of battery components, such as membrane separators and electrode binders, to said battery components and to electrochemical devices comprising said components. Processes of making said copolymers and electrodes and separators including the copolymers are also described.
Process for the purification of vinylidene fluoride based polymers, said process comprising the steps of: i) providing a solid material M comprising one or more polymers comprising at least 50% of recurring units derived from vinylidene fluoride, ii) contacting said solid material M with a solvent S, said solvent S comprising one or more esters, thereby dissolving said one or more polymers comprising at least 50% of recurring units derived from vinylidene fluoride, and forming a solution SP, iii) optionally filtering said solution SP to remove any undissolved solid material, iv) contacting said optionally filtered solution SP with a non solvent bath NS thereby causing the precipitation of said one or more polymers comprising at least 50% of recurring units derived from vinylidene fluoride, wherein said non solvent bath NS has a temperature at least 20°C lower than the temperature of said solution SP.
The present patent application relates to perfluoropolyether polymers comprising functionalized pendant groups along the perfluoropolyether backbone that are obtained from the reaction of a peroxidic perfluoropolyether with a functionalized perfluorinated unsaturated ether.
The present invention relates to a primer that improves adhesiveness between an electro active material and a current collector, and to an electrode comprising the same.
The invention pertains to a process for polymerizing fluoromonomers in the presence of a certain amphiphilic reversible addition fragmentation chain transfer (RAFT) agent.
C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
88.
POLYAMIC ACID DERIVATIVES BINDER FOR LITHIUM ION BATTERY
The invention relates to aqueous dispersions of fluoropolymers comprising recurring units derived from vinylidene fluoride (VDF) in an amount of from 60% to 82% in moles and recurring units derived from trifluoroethylene (TrFE) in an amount of from 18% to 40% in moles, with respect to the total moles of recurring units, said fluoropolymers possessing an improved thermodynamic ordered structure in the ferroelectric phase.
The present invention relates to an electrode composition comprising PTFE and a low melting point fluororesin, to a method for its preparation and to its use for the manufacture of electrochemical cell components.
The present invention relates to VDF-based fluoropolymers with outstanding metal-adhesion properties for use as a binding agent for electrodes for batteries.
The present invention relates to a binder for a non-aqueous electrolyte rechargeable battery, a negative electrode slurry for a rechargeable battery, a negative electrode for a rechargeable battery, and a rechargeable battery comprising the same.
The present invention relates to a polymer for a non-aqueous electrolyte rechargeable battery, an electrode slurry for a rechargeable battery and a rechargeable battery comprising the same.
The present invention relates to a binder for a non-aqueous electrolyte rechargeable battery, a negative electrode slurry for a rechargeable battery, a negative electrode for a rechargeable battery, and a rechargeable battery comprising the same.
The present invention relates to polymers obtained by the copolymerization of (per)fluoropolyether (PFPE), tetrafluoroethylene (TFE) and at least one non-homopolymerizable olefin.
C08F 283/06 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polyethers, polyoxymethylenes or polyacetals
The present invention relates to compositions comprising at least one (per)fluoropolyether base oil and at least one polymer obtained by the copolymerization of (per)fluoropolyether (PFPE), tetrafluoroethylene (TFE) and at least one non-homopolymerizable olefin.
C08F 216/14 - Monomers containing only one unsaturated aliphatic radical
C08F 283/06 - Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass on to polyethers, polyoxymethylenes or polyacetals
C08F 293/00 - Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
C08F 2/48 - Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
C08L 53/00 - Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers
The invention pertains to a method of removing a layer of a lift-off fluoropolymer layer from a substrate using a particular stripping solvent, and to a lithographic process using said combination of lift-off fluoropolymer and stripping solvent, in particular for the manufacture of OLED devices.
The invention relates to a method for manufacturing low-molecular-weight polytetrafluoroethylene, comprising: a) a first step of mixing high-molecular-weight polytetrafluoroethylene with at least one additive selected from the group consisting of ethers having formula R1—O—R2, wherein R1 and R2 are independently selected among C1-C10 straight or branched aliphatic group, C4-C10 alicyclic or heterocyclic groups, C5-C10 aromatic or heteroaromatic groups; (per)fluorinated vinyl ethers; (per)fluorinated olefins; and optionally substituted aromatic hydrocarbons, and b) a second step of irradiating the so obtained mixture with ionizing radiation, said second step b) being carried out substantially in the absence of oxygen.
C08F 4/12 - Metallic compounds other than hydrides and other than metallo-organic compoundsBoron halide or aluminium halide complexes with organic compounds containing oxygen of boron, aluminium, gallium, indium, thallium, or rare earths
C08L 27/16 - Homopolymers or copolymers of vinylidene fluoride
