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Patent Searching and Data


Matches 1 - 50 out of 6,956

Document Document Title
WO/2021/205340A1
Partially fluorinated thermoplastic polymers comprising tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride are described. These THV-based fluoroplastic polymers have both a high melting temperature and a high melt flow ind...  
WO/2021/198808A1
A fluoropolymer is described comprising pendent groups having the formula: -(CF2)a-(OCbF2b)c-(OCeF2e)-SO2-[NX2-SO2(CF2)f-SO2]d-NX1-SO2- Rf wherein Rf is a perfluoroether and X1 and X2 are independently cationic counterions. Also describe...  
WO/2021/193067A1
The purpose of the present invention is to provide an aqueous dispersion of a vinyl halide copolymer, said aqueous dispersion exhibiting good film formation performance after long-term storage, while enabling a film after coating to main...  
WO/2021/194588A1
Provided in this patent disclosure are two types of novel fluoro-monomers that can be polymerized for the fabrication of ion-exchange fluoropolymers. In addition, new proton-conductive zirconium-perfluorophosphonic acid fluoropolymer mem...  
WO/2021/174701A1
Disclosed are a high-temperature-resistant high-oil-absorption resin particle plugging agent suitable for an oil-based drilling fluid and a preparation method therefor. The plugging agent is prepared from the following raw materials in p...  
WO/2021/172585A1
Provided is a polyvinylidene fluoride containing a vinylidene fluoride unit and a pentenoic acid unit represented by formula (1): CH2=CH-(CH)2-COOY (In the formula, Y represents at least one selected from the group consisting of inorgani...  
WO/2021/170521A1
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-...  
WO/2021/172586A1
Provided is a composition containing polyvinylidene fluoride (A) and a vinylidene fluoride polymer (B) (other than the polyvinylidene fluoride (A)). The polyvinylidene fluoride (A) contains a vinylidene fluoride unit and a pentenoic acid...  
WO/2021/170520A1
The present invention relates to polymers obtained by the copolymerization of (per)fluoropolyether (PFPE), tetrafluoroethylene (TFE) and at least one non-homopolymerizable olefin.  
WO/2021/161593A1
This soft water- and oil-repellent comprises, as an active ingredient, a copolymer of: a perfluoropolyether alcohol(meth)acrylic acid derivative represented by general formula [I], CH2=CR1COOCH2CF(CF3)[OCF2CF(CF3)]nOC3F7 (where, R1 is a ...  
WO/2021/157671A1
Provided is a copolymer comprising substantially only ethylene units, tetrachloroethylene units and hexafluoropropylene units. The molar ratio of ethylene (Et) units and tetrafluoroethylene (TFE) units (Et units/TFE units) is 52.0/48.0-5...  
WO/2021/158196A1
Acrylic and modacrylic fiber stabilized against sunlight The invention is related to increasing the resistance of acrylic fiber containing at least 85% acrylonitrile groups and modacrylic fibers containing at least 40% acrylonitrile grou...  
WO/2021/153337A1
Provided is a fluororesin having good resistance to heat distortion. This fluororesin contains a constituent unit T derived from tetrafluoroethylene, a constituent unit H derived from hexafluoropropylene and a constituent unit V derive...  
WO/2021/153336A1
A method for producing a sheet that subjects a fluororesin sheet to UV ozone treatment. Provided is a fluororesin sheet having good transparency. A fluororesin sheet that satisfies formula (1) and has transmittance of light of a wavele...  
WO/2021/149022A1
The present invention relates to a process for polymerizing a fluoromonomer in an aqueous dispersion medium, comprising: (a) forming an aqueous solution comprising a first surfactant combination of fluorinated Perfluorobutanesulfonic aci...  
WO/2021/142455A1
Methods of determining the presence or absence of fluorocarbon(s) on a substrate using X-ray Photoelectron Spectroscopy (XPS). A method may be used to determine the presence or absence of per- or polyfluoroalkyl substances PFASs. A metho...  
WO/2021/132635A1
The present invention provides a method for producing a fluorine-containing polymer, wherein a fluorine-containing polymer is produced by polymerizing a fluorine-containing monomer in the presence of a fluorine-free compound (1) represen...  
WO/2021/132104A1
A fluorinated polymer which has a main chain comprising a fluorocarbon and at least two side chains each containing an addition-reactive double bond capable of addition reaction with a -SiH group.  
WO/2021/131996A1
Provided is a novel method of producing a fluoropolymer. The method of producing a fluoropolymer is characterized by comprising a polymerization step for polymerizing tetrafluoroethylene in an aqueous vehicle in the presence of an initia...  
WO/2021/131443A1
A fluoropolymer and a water-and-oil repellent composition are provided with which articles having excellent dynamic water repellency are obtained. The articles are less apt to decrease in water-and-oil repellency even after having been e...  
WO/2021/122903A1
An aqueous latex [latex (L)] of a vinylidene chloride copolymer [copolymer (A)], wherein the copolymer (A) consists essentially of - recurring units derived from vinylidene chloride (VDC) in an amount comprised between 89.0 and 91.0 wt %...  
WO/2021/127074A1
An elastomeric fluoropolymer includes the following monomer units: about 45 mol% to about 65 mol% -CF2-CH2-; about 8 mol% to about 30 mol% -CF2-CF2-; about 4.5 mol% to about 25 mol% -CF2-CF(O-CF3)-; and about 6 mol% to about 20 mol% -CF2...  
WO/2021/127346A1
The copolymer includes divalent units represented by formula -[CF2-CF2]-, at least one divalent unit represented by formula (I): and at least one divalent unit independently represented by formula (II): A is -N(RFa)2 or a is non-aromatic...  
WO/2021/119454A1
Described herein are amorphous fluorinated copolymers produced by the polymerization of one or more fluorinated ring monomers and one or more fluorinated comonomers containing multiple ether oxygens. The copolymers are suitable in many h...  
WO/2021/116618A1
The invention relates to a polymer comprising VDF-based units having an electrocaloric effect under the effect of a variable electric field. The polymer comprises 0.1 to 10.0 mol% double bonds, which are substantially non-conjugated. The...  
WO/2021/116222A1
The present invention relates to a process for preparing a fluoropolymer in a liquid reaction medium, comprising the following steps: - provide a reactor containing a liquid reaction medium comprising water, - introduce in said reactor e...  
WO/2021/106638A1
Provided is a method for producing an injection molded article, by which an injection molded article is obtained by injection molding a copolymer using an injection molding machine and a mold having a hot liner. The copolymer contains te...  
WO/2020/102735A8
The present disclosure relates to the production of polyacrylonitrile-based polymers with high conversion by a process comprising reacting acrylonitrile with at least one comonomer in the presence of a radical initiator in a liquid mediu...  
WO/2021/094884A1
Described herein is method of functionalizing fluorinated polymers, wherein a reaction compound is grafted onto a fluorinated polymer, wherein the fluorinated polymer comprises at least one Br, I, and Cl group and is free of -CH2CH2- lin...  
WO/2021/095662A1
[Problem] To provide nonaqueous dispersions excellent in terms of dispersion stability and blendability and a dense molded object having excellent physical properties (electrical properties, low linear expansion, heat resistance, etc.). ...  
WO/2021/088198A1
Provided is an electronic telecommunication article comprising a crosslinked fluoropolymer layer, wherein the fluoropolymer comprises at least 80, 85, or 90% by weight of polymerized units of perfluorinated monomers and cure sites. Furth...  
WO/2021/090111A1
A method of making a crosslinked fluoropolymer is described. The method comprises applying a composition to a substrate, wherein the composition comprises fluoropolymer and a fluorinated solvent, one or more curing agents comprising an e...  
WO/2021/085531A1
Provided is a fluorine-containing polymer that exhibits an excellent heat resistance. The fluorine-containing polymer is characterized by comprising a polymerization unit based on a fluorine-containing vinyl monomer (1) and a polymerizat...  
WO/2021/085423A1
The present invention provides a fluorine-containing copolymer from which a crosslinked rubber article that excels in mold releasability can be produced. A fluorine-containing copolymer according to the present invention has: a unit wh...  
WO/2021/082164A1
Disclosed is a high-frequency, low-loss, adhesive-free flexible copper clad laminate (100), comprising two layers of copper foil (1) arranged at the top and bottom, fluorine resin films (2) respectively formed on inner surfaces of the tw...  
WO/2021/081799A1
Disclosed is a honeycomb solid-liquid composite heat dissipation material for CPU heat dissipation and a manufacturing method therefor. The heat dissipation material consists of two parts: a matrix part that is 55-80 parts by weight of a...  
WO/2021/079904A1
The present invention provides: a fluorosulfonyl group-containing fluoropolymer capable of producing a solid polymer electrolyte membrane having excellent conductivity and hot water resistance, and a method for producing same; an acid-ty...  
WO/2021/069332A1
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 derive...  
WO/2021/070159A1
The present invention relates to a process for preparing fluoropolymers or fluoroelastomers in an aqueous medium using a non fluorinated sulfonate type hydrocarbon containing surfactant, said process comprising the steps of: (a) forming ...  
WO/2021/069469A1
The invention pertains to a process for the manufacture of a polymer electrolyte membrane based on a fluoropolymer hybrid organic/inorganic composite, to a polymer electrolyte obtained thereof and to uses of said polymer electrolyte and ...  
WO/2021/065256A1
The present invention provides a water repellent oil repellent agent composition which enables the achievement of an article that has excellent water repellency and excellent durability of the water repellency. A water repellent oil re...  
WO/2021/065351A1
Provided is a water- and oil-repelling agent composition from which an article having excellent water repellency and durability can be obtained. The water- and oil- repelling agent composition comprises a fluorine-containing polymer ha...  
WO/2021/066189A1
Provided is a polytetrafluoroethylene that has a color tone L* of 20-85 and an extrusion pressure to a cylinder, at a reduction ratio of 1600, of 120 MPa or lower.  
WO/2021/054592A1
The present invention relates to a method for manufacturing vinyl chloride-acrylic copolymer latex. In particular, one embodiment of the present invention provides a process for obtaining latex by subjecting a vinyl chloride monomer and ...  
WO/2021/054733A1
The present invention relates to an acrylic emulsion adhesive composition. According to the present invention, it is possible to provide an acrylic emulsion adhesive composition which exhibits excellent adhesive properties over a wide te...  
WO/2021/054363A1
The present invention provides a fluorine-containing copolymer which contains (a) a tetrafluoroethylene unit, (b) an ethylene unit and (c) a hexafluoropropylene unit, wherein: the content ratio of the hexafluoropropylene unit (c) in all ...  
WO/2021/039863A1
The present invention provides a member for nonaqueous electrolyte batteries, said member containing a copolymer which comprises a tetrafluoroethylene unit and a fluoroalkyl vinyl ether unit, wherein: the number of functional groups per ...  
WO/2021/039865A1
The present invention provides an electricity storage element that is provided with a gasket containing a copolymer which comprises a tetrafluoroethylene unit and a fluoro(alkyl vinyl ether) unit, wherein: the content of the fluoro(alkyl...  
WO/2021/039862A1
The present invention provides a member for nonaqueous electrolyte batteries, said member containing a copolymer which comprises a tetrafluoroethylene unit and a fluoroalkyl vinyl ether unit, wherein: the number of functional groups per ...  
WO/2021/039864A1
Provided is a member that is for nonaqueous electrolytic solution batteries and that contains a copolymer including a tetrafluoroethylene unit and a fluoroalkyl vinyl ether unit, wherein the number of functional groups per 106 of carbon ...  

Matches 1 - 50 out of 6,956