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WO/2010/005755A1 |
The invention relates to a copolymer composition of poly(vinylidene fluoride-trifluoropropene) copolymers. The copolymers formed have excellent optical properties, with very low haze, as well as high melting points, excellent flexibility...
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WO/2010/005757A1 |
This invention relates to copolymer compositions of poly(vinylidene fluoride-2,3,3,3-tetrafluoropropene) copolymers. The copolymers formed have excellent optical properties, corrosion resistance and electrical properties, with very low h...
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WO/2010/001634A1 |
This invention provides an organic piezoelectric material for constituting an ultrasonic vibrator, which has excellent piezoelectric properties and is suitable in high-frequency and broad bands, an ultrasonic probe using the organic piez...
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WO/2010/001633A1 |
This invention provides an organic piezoelectric material for constituting an ultrasonic vibrator, which has excellent piezoelectric properties and is suitable in high-frequency and broad bands, a process for producing the organic piezoe...
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WO/2009/151109A1 |
A polyfluoroalkadiene mixture represented by the general formula CF3(CF2)nCF=CH(CF2)m+1CH=CH2 [Ia] and the general formula CF3(CF2)n+1CH=CF(CF2)mCH=CH2 [Ib] (wherein n is an integer from 0 to 5 and m is an integer from 0 to 6) is obtaine...
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WO/2009/148098A1 |
Disclosed is a copolymer capable of providing an article surface with dynamic water repellency. The copolymer has extremely excellent washing durability of water repellency and oil repellency, while placing little burden on the environm...
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WO/2009/147030A1 |
The invention provides a novel polymer comprising recurring units derived from vinylidene fluoride (VDF) and trifluoroethylene (TrFE), said polymer comprising end groups of formula -CF2H and/or -CF2CH3 in an amount of at least 60 mmoles ...
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WO/2009/145117A1 |
Disclosed is a method for producing a fluorine-containing polymer using a specific fluorine-free compound having surface-active activity, wherein a large number of polymer particles having small particle diameters are produced. The meth...
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WO/2009/140460A1 |
An oligomer of the formula (I) wherein G is an I; OH; OC(O)CH=CH2; OC(O)CCH3=CH2; OC(O)CCI=CH2; NRi H; N3; NCO; SQ wherein Q is H, alkyl, (CH2)nOH, (CH2)nNH2, (CH2)nOC(O)C(Me)=CH2, or (CH2)nNHC(O)C(Me)=CH2; SCN; COOH; SO3H; NHCOCH=CH2; N...
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WO/2009/137736A1 |
A composition comprising a mixture of fluoropolyether acids or salts having a number average value of about 800 to about 2500 g/mol. The amount of fluoropolyether acids or salt in the mixture having a molecular weight of not more than 50...
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WO/2009/133902A1 |
A fluorine-containing polymer having a high molecular weight, excellent heat resistance, excellent solvent resistance, excellent chemical resistance and the like is efficiently produced by using a polymerization medium having low ozone d...
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WO/2009/134654A1 |
In a process for the manufacture of perfluoroelastomers, a weak organic acid, e.g. glacial acetic acid, is employed to coagulate an acidic perfluoroelastomer dispersion.
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WO/2009/128363A1 |
Disclosed is a fluoro-rubber sealing material which has excellent sealing properties under high/low temperature load and can seal at a temperature of -40°C or lower even when a light oil (a diesel fuel) is used. The fluoro-rubber sealin...
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WO/2009/125695A1 |
Provided is a fluorine-containing ion exchange resin dispersed composition having very low viscosity even when the fluorine-containing ion exchange resin concentration in the liquid composition wherein the fluorine-containing ion exchang...
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WO/2009/119723A1 |
Disclosed is a fluoroelastomer that, while maintaining cold resistance possessed by cold-resistant fluororubbers, has low hardness and very low permeability to a fuel. Also disclosed are a composition for peroxide vulcanization and an au...
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WO/2009/119439A1 |
Disclosed is a TFE-Pr-type elastomer having excellent amine resistance, excellent heat resistance and excellent chemical resistance and having a low gel content. Also disclosed is a cross-linkable composition. The fluorine-containing ela...
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WO/2009/119913A1 |
A water- and oil-repellent agent is an aqueous emulsion containing: (I) a fluorine-containing copolymer, (II) a surfactant, and (III) an aqueous medium. The fluorine-containing copolymer contains repeating units derived from (a) a fluori...
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WO/2009/119409A1 |
Disclosed is a fluorine-containing elastomer composition that maintains the normal-state properties of a branched fluorine-containing elastomer while reducing viscosity, without increasing the usage of an expensive monomer. A peroxide cr...
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WO/2009/119911A1 |
A water- and oil-repellent agent is an aqueous emulsion containing a fluorine-containing polymer. The fluorine-containing polymer comprises (a) a fluorine-containing monomer, and (b) a crosslinkable monomer, wherein the monomers (a) and ...
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WO/2009/119255A1 |
Disclosed is a vinyl chloride polymer comprising 100 parts by weight of a constituent unit (A-1) derived from vinyl chloride and 1 to 20 parts by weight of a constituent unit (A-2) derived from a fluorinated acrylate ester. Also disclose...
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WO/2009/113589A1 |
Disclosed is a copolymer which is capable of providing an article surface with sufficient dynamic water repellency, water repellency after air-drying and friction durability, while having little burden on the environment. Also disclosed ...
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WO/2009/097374A1 |
Copolymer comprising at least 50 mol percent up to 85 mol percent tetrafluoroethylene (TFE), from 10 - 35 mol percent 3,3,3-trifluoropropylene (TFP), and from 0.5 - 15 mol percent of a fluorinated ethylenically unsaturated monomer of the...
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WO/2009/096342A1 |
Disclosed is a curable composition having high curing rate and excellent productivity. Since the curable composition is suppressed in volumetric contraction due to foaming during the curing reaction, a fluorine-containing cured product o...
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WO/2009/093620A1 |
Disclosed is a fluororesin-coated polymer film for reinforcing polymer electrolyte membranes, which is obtained by forming, on at least one side of a polymer film, a coating of a reaction product of a fluorine-containing copolymer (A), w...
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WO/2009/087814A1 |
Disclosed is a fluorine-containing elastomer having a copolymer composition comprising (A) 72.8 to 74.0% by mole of tetrafluoroethylene, (B) 26.8 to 24.0% by mole of perfluoro(lower alkyl vinyl ether) or perfluoro(lower alkoxy lower alky...
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WO/2009/085900A1 |
Described herein are trfluorostyrene compounds of formula IV, wherein Rf' is a linear or branched perfluoroalkylene group, optionally containing oxygen or chlorine, T is S, SO or SO2, n is 0 or 1 and X is Br or Cl, which can be used as m...
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WO/2009/083451A1 |
The invention pertains to a process for preparing compounds of formula (I-A) or (I-B) here below: by reaction of perfluoroallylfluorosulfate (FAFS) of formula (II): with at least one hypofluorite of formula (II-A) or (II-B): wherein: RF ...
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WO/2009/084483A1 |
Disclosed is an adhesive vinylidene fluoride resin sheet which is composed of an extruded sheet of a vinylidene fluoride copolymer composition that contains 100 parts by weight of a vinylidene fluoride monomer polymerization unit contain...
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WO/2009/082264A1 |
The invention relates to producing perfluoro copolymers comprising functional groups, more specifically, sulphonyl fluoride groups. Said copolymers provide a base for producing ion-exchange membranes used in fuel cells, different electro...
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WO/2009/082661A1 |
Described herein is a crosslinkable polymer based on trifluorostyrene, and its use in polymer electrolyte membranes thereof.
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WO/2009/073537A2 |
A composition comprises a polymer having a first pendant group selected from at least one perfluorinated ether group or perfluoroalkanesulfonamido group, a second pendant group comprising an ammonium group, wherein the second pendant gro...
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WO/2009/073547A2 |
A polymer is provided comprising a first pendant group selected from at least one of a perfluorinated ether group or a perfluoroalkanesulfonamido group, a second pendant group comprising an ammonium group, wherein the second pendant grou...
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WO/2009/061999A1 |
Disclosed herein are novel fluoroolefins of formula Rf-O- (CF2CF2)n(CH2CF2)m-CH=CH2, wherein n is 1 or 2, m is 0 or 1 and Rf is a C1- C8 fluoroalkyl or fluoroalkoxy group. The fluoroolefins may be oxidized to manufacture fluorinated carb...
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WO/2009/055521A1 |
Oligomers of perfluoro(methyl vinyl ether) with vinylidene fluoride or tetrafluoroethylene are disclosed that contain 40-90 mole percent copolymerized units of vinylidene fluoride or tetrafluoroethylene and 10-60 mole percent copolymeriz...
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WO/2009/055561A1 |
A copolymer of Formula (I) -[RfQ-OC(O)NHC(CH3)2C6H4C(CH3)CH2-]x - [CH2C(R)(COOH)-]y- (I) wherein Rf is a straight or branched perfluoroalkyl group having from about 2 to about 8 carbon atoms, or a mixture thereof, which is optionally int...
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WO/2009/048771A1 |
An extrudable composition comprising a non-fluorinated, melt processable host polymer and from about 25 parts per million by weight to about 50% by weight, based on total weight of said extrudable composition, of a fluoropolymer consisti...
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WO/2009/044753A1 |
A fluororesin composition comprising a polytetraf luoroethlene [PTFE] having a standard specific gravity of 2.15 to 2.30 and a tetraf luoroethylene-based copolymer [FEP], the content of said PTFE being 0.01 to 3 parts by mass per 100 par...
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WO/2009/045423A1 |
A process for the polymerization of a true tetrafluoroethylene (TFE) copolymer of the fine powder type is provided, wherein the copolymer contains polymerized comonomer units of at least one comonomer other than TFE in concentrations of ...
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WO/2009/039961A1 |
Compositions according to the invention comprise water, a polyurethane or poly(meth)acrylate having perfluoroalkyl groups and a special siloxane. The treatment of fiber materials, in particular of nonwovens made of polypropylene, leads t...
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WO/2009/026974A1 |
In order to be able to economically produce a flat seal meeting high quality standards, the surface zones are made of a polymer material that comprises a thermoplastically processable, substantially fully fluorinated plastic material.
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WO/2009/026973A1 |
The invention relates to a sealing ring consisting of a polymer material, in particular for use in optical systems. The polymer material comprises a thermoplastically processable fluorinated plastic material.
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WO/2009/014004A1 |
Disclosed is a method for producing a tetrafluoroethylene/hexafluoropropylene copolymer (FEP), which enables to reduce production cost, while improving production efficiency. Also disclosed is a method for producing an FEP which enables ...
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WO/2009/008514A1 |
Disclosed is a method for producing a water-repellent and oil-repellant composition which can impart water-repellency and oil-repellency to the surface of an article and has excellent durability (washing durability and torrential rainfal...
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WO/2009/002617A1 |
A process of removing fluorinated compounds from an aqueous phase originating from the preparation of fluoropolymers said process comprising the use of polycationic polymers.
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WO/2008/153002A1 |
Disclosed is a curable fluorine-containing polymer composition which can be cured by a hydrosilylation reaction at a relatively low temperature to form a coating film that has high hardness and flexibility and, when the surface of the co...
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WO/2008/144070A1 |
In a process for the manufacture of fluoroelastomers, a water-soluble polymeric coagulant is employed that is an aqueous solution of polyethyleneimine or its copolymers.
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WO/2008/141941A1 |
The present invention relates to a method for producing functionalized isotactic polystyrene, functionalized isotactic polystyrene that can be produced according to the method of the invention, the use of the functionalized isotactic pol...
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WO/2008/141952A1 |
The subject of the invention is vinyl chloride copolymers obtainable by the free radical initiated polymerization of a mixture containing a) 50 to 99.99% by weight of vinyl chloride; b) 1 to 50% by weight of one or more monomers from the...
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WO/2008/140914A1 |
The present disclosure describes fluoropolymers having long chain branches and methods of making these fluoropolymers. These fluoropolymers may have improved melt processing properties. Shaped articles containing these fluoropolymers are...
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WO/2008/141334A1 |
FEP compositions are provided that provide foam insulation in coaxial cable that surpasses the return loss obtained when PFA is used to make the foamed insulation, one composition comprising a blend of tetrafluoroethylene/hexafluoropropy...
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