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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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WO/2008/136436A1 |
Disclosed is a water-repellant/oil-repellant composition which can impart a water-repellant/oil-repellant property and has excellent durability (laundry durability and torrential rainfall durability). Also disclosed is a method for produ...
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WO/2008/136435A1 |
Disclosed is a water-repellant/oil-repellant composition which can impart a water-repellant/oil-repellant property to the surface of an article and has excellent durability (laundry durability and torrential rainfall durability). Also di...
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WO/2008/133004A1 |
Disclosed is a fluorine-containing elastomer composition having a low compression set. Specifically disclosed is a fluorine-containing elastomer composition containing a perfluoroelastomer (A) containing (a) 18-33% by mole of a perfluoro...
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WO/2008/129041A1 |
The present invention pertains to a linear semi-crystalline copolymer [polymer (A)] comprising recurring units derived from vinylidene fluoride (VDF) monomer and at least one hydrophilic (meth)acrylic monomer (MA) of formula (I) wherein ...
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WO/2008/130557A1 |
The present invention includes crosslinked perfluoroelastomeric compositions and molded articles formed from a cross-linkable perfluoroelastomeric composition having a first curable perfluoropolymer having a cure site monomer and a secon...
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WO/2008/118242A1 |
The present invention includes a method of treating a hydrocarbon-bearing clastic formation having non-connate water, the method includes contacting the hydrocarbon-bearing clastic formation with a composition that includes a solvent and...
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WO/2008/106189A1 |
Compositions of fluoroelastomers containing copolymerized units of tetrafluoroethylene, propylene, a first cure site selected from the group consisting of i) trifluoroethylene, ii) 3,3,3-trifluoropropene-1, iii) 1,2,3,3,3-pentafluoroprop...
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WO/2008/097639A1 |
In a process for the manufacture of fluoroelastomers, a coagulant is employed that is a water-soluble polymer having at least 2 quaternary onium centers. Specific examples of such coagulants include, but are not limited to poly(diallyldi...
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WO/2008/093436A1 |
A fluoroelastomer with a copolymer formulation consisting of 50 to 85 mol% vinylidene fluoride (a), 0 to 25 mol% tetrafluoroethylene (b), 7 to 20 mol% perfluoro(methyl vinyl ether) (c), 2.5 to 15 mol% CF2=CFO[CF2CF(CF3)O]nCF3 (n: 2 to 6)...
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WO/2008/080897A1 |
The invention pertains to an ionically crosslinkable fluoroelastomer composition comprising: (a) at least one fluoroelastomer [polymer (F)]; (b) at least one ionically crosslinking system comprising at least one accelerator and at least ...
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WO/2008/082503A2 |
This invention relates to semi-batch type copolymerization processes. More specifically, the processes of the present invention are directed to the production of compositionally uniform copolymers, including the production of such copoly...
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WO/2008/079393A1 |
An electrode binder composition comprising at least one metal chelate compound and at least one fluoropolymer. The binder composition used in a battery electrode improves the cohesion of the powdered active electrode material as well as ...
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WO/2008/079395A1 |
The invention provides a fluoropolymer coated film comprising: a polymeric substrate film; and a fluoropolymer coating on thepolymeric substrate film, the fluoropolymer coating comprising a vinyl fluoride copolymer comprised of about 40 ...
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WO/2008/079394A1 |
The present invention provides a vinyl fluoride copolymer comprising: about 40 to about 90 mole % of repeat units derived from vinyl fluoride; and about 10 to about 60 mole % of repeat units derived from monomer selected from the group c...
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WO/2008/078738A1 |
The invention provides a process which comprises restricting the timing of addition of a specific CSM and thereby can bring about fluorine-containing elastomers excellent in compression set, heat resistance, stress relaxation, and other ...
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WO/2008/076736A2 |
Links and methods for making colored silicone hydrogel contact lenses. The ink comprises an actinically-curable binder copolymer comprising fluorine-containing segments and is characterized by having capability to be cured actinically or...
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WO/2008/076385A1 |
A novel emulsion polymerization process for the production of fluoroelastomers is disclosed wherein the dispersing agent is a phosphate ester anionic surfactant of the formula [CH3-(CH2)n-O]x-P(OM)(4-x) where n is an integer from 0 to 8,...
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WO/2008/069278A1 |
Disclosed is an ethylene/tetrafluoroethylene copolymer having excellent heat resistance. Also disclosed is a method for producing such an ethylene/tetrafluoroethylene copolymer. An ethylene/tetrafluoroethylene copolymer is produced by po...
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WO/2008/066839A1 |
A novel semi-batch emulsion polymerization process for the production of fluoroelastomers is disclosed wherein a hydrocarbon anionic surfactant is employed as the dispersing agent. The surfactant has the formula R-L-M wherein R is an alk...
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WO/2008/054420A2 |
Ionomeric polymers that are chemically stabilized and contain inorganic fillers are prepared, and show reduced degradation. The ionomers care useful in membranes and electrochemical cells.
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WO/2008/050588A1 |
Disclosed is a fluorinated elastomer for the molding of a fuel line component, which is produced by the copolymerization in the presence of a iodinated bromine compound represented by the general formula: RBrnIm [wherein R represents a f...
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WO/2008/051410A2 |
The invention includes a copolymer of vinylidene chloride with at least one monounsaturated comonomer and at least one branching monomer in an amount sufficient to increase molecular weight over that of a polymer prepared using the same ...
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WO/2008/047759A1 |
It is intended to provide a fluorine-containing copolymer from which an electrical cable having excellent electrical properties can be obtained even by a high-speed cable molding method. Namely, a fluorine-containing copolymer which comp...
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WO/2008/047906A1 |
Disclosed is a fluorinated copolymer which can reduce molding defects occurring during the coating and molding of an electric wire and can improve the cracking resistance of the electric wire. Also disclosed is a method for producing an ...
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WO/2008/045452A2 |
The combination of a hinge and an insulated wire is provided, wherein the hinge is capable of closing and opening to an angle of at least 90°, the insulated wire being secured by the hinge so as to fold when said hinge is closed and to ...
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WO/2008/041998A1 |
Chain end functionalized fluoropolymers are disclosed exhibiting good chemical reactivity high breakdown electric field (E > 100 MV/m) and high dielectric constants (i.e., ε > 10). The polymers can be prepared by functional initiators a...
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WO/2008/041750A1 |
It is intended to provide a fluorinated polymer capable of forming a water- and oil-repellent film which has a favorable water- and oil-repellency and is also excellent in hardness and heat resistance. A fluorinated polymer characterized...
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WO/2008/038682A1 |
Disclosed is a fluorine-containing polymer excellent in crosslinkability, crosslinked rubber properties and chemical resistance.Also disclosed is a crosslinked rubber of such a fluorine-containing polymer. Specifically disclosed is a flu...
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WO/2008/035779A1 |
Disclosed is an aqueous coating composition having low organic solvent content, which places little burden on the environment. This aqueous coating composition is suppressed in molecular weight increase, gelation, agglomeration and the l...
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WO/2008/032613A1 |
A process for producing a melt-moldable tetrafluoroethylene copolymer which is satisfactory in mechanical properties including tensile strength and is colorless. It has a satisfactory polymerization rate. The process for melt-moldable te...
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WO/2008/030691A2 |
Shaped articles, including but not limited to films, moldings and extruded profiles exhibiting a unique combination of desirable properties including high surface energy, permanence of the plasticizer, and processability are prepared fro...
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WO/2008/022985A1 |
Short-chain perfluoroalkylethyl methacrylates copolymerized with vinyl chloride and/or vinylidene chloride, a C12-C22 alkyl (meth)acrylate and one or more thermally crosslinkable or isocyanate-reactive monomers are useful for oil-, water...
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WO/2008/019068A2 |
Production processes utilizing 1,1,3,3,3-pentafluoropropene (PFP) with different fluorinated and non-fluorinated monomers are described. Chemical production processes can include exposing a PFP monomer to one or more of CTFE, HFP, TFP, a...
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WO/2008/003669A2 |
The invention relates to a method for preparing a latex seed from a methyl methacrylate polymer (PMMA) by the aqueous-emulsion radical polymerisation of the methyl methacrylate and optionally at least one comonomer, characterised in that...
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WO/2007/146387A2 |
Perfluoropolymer made without ionic species, initiator and without halocarbon solvent polymerization medium and dispersing agent is beneficially useful in liquid contact or food contact applications, for high-speed melt extrusion wire co...
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WO/2007/129735A1 |
A process for the production of fluorine-containing polymers which comprises the first step of polymerizing a fluorine-containing monomer mixture comprising both a perhaloganated ethylenic monomer and a non-perhalogenated ethylenic monom...
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WO/2007/123787A2 |
An aqueous semi-batch polymerization process is disclosed for the manufacture of dipolymers of tetrafluoroethylene and 3,3,3-trifluoropropene that contain between 45 and 95 mole percent tetrafluoroethylene and between 5 and 55 mole perce...
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WO/2007/121102A1 |
Described is a free-radically curable composition comprising a fluoroalkyl silicone having at least two hydride groups, a polyethylenically unsaturated component having at least two ethylenically unsaturated groups, a hydrosilylation cat...
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WO/2007/102993A1 |
A block copolymer; a method of reducing the surface tension of a liquid comprising adding to said liquid less than 10 wt % of a surface active agent derived from the block copolymer; a method for modifying the surface chemistry of a poly...
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WO/2007/096347A1 |
Use in LAN cable applications, as materials for the coating of the primary cable and for the external jacket, of TFE thermoprocessable perfluoropolymers comprising perfluoroalkylvinylethers in the following amounts, expressed as per cent...
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WO/2007/089017A1 |
Disclosed is a novel method for producing an -SO3H group-containing fluoropolymer wherein sufficient stabilization of an unstable end group can be performed under mild conditions. Specifically disclosed is a method for producing an -SO3H...
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WO/2007/085545A1 |
VDF-based curable fluorelastomers, having a glass transition temperature from -10°C to -35°C, comprising: B) monomer of formula: CF2=CFOCF2OCF3 (a), C) one or more comonomers selected from: tetrafluoroethylene (TFE), per- fluoromethylv...
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WO/2007/085546A1 |
VDF curable fluoroelastomers, ionically cured, having a compression set after a time of 24 h (ASTM D 395/B) at -10°C lower than 60%, preferably lower than 50% and at -25°C lower than 90%, preferably lower than 75%, comprising hexafluor...
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WO/2007/082867A2 |
VDF-based curable fluoroelastomers, having a glass transition temperature lower than -49°C, preferably lower than -50°C, and having the following composition, as per cent by moles: A) from 25% to 50%, preferably from 30% to 45%, of the...
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WO/2007/075271A1 |
A composition comprising a fluorinated surfactant. Also, an unseparated reaction product obtained by reacting an epoxide and either an acid alcohol or an acid mercaptan. Additionally, a coatable composition comprising a leveling agent, w...
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