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WO/2007/146530A1 |
Antireflective films and low refractive index compositions are described. The low refractive index layer comprises the reaction product of a composition comprising at least one free-radically polymerizable material having a high fluorine...
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WO/2007/145416A1 |
The present invention provides a method of preparing vinyl chloride polymer having excellent processability and high bulk density by the separate stepwise additions of vinyl chloride monomer during suspension polymerization.
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WO/2007/145181A1 |
Disclosed is a curable composition which enables to obtain a fluorine-containing cured product which is excellent in transparency, light resistance, heat resistance and mechanical strength, and hardly damaged by stress concentration. Spe...
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WO/2007/142418A1 |
The present invention relates to a PVC product containing cyclodextrin derivative particles and capable of suppressing migration of a plasticizer and a method for manufacturing the same, which includes (Sl) preparing cyclodextrin derivat...
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WO/2007/123123A1 |
Disclosed is a method for producing a fluorine rubber wherein coloration is prevented. Specifically disclosed is a method for producing a fluorine rubber, which is characterized by comprising a step for heating and drying a coagulated pr...
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WO/2007/119829A1 |
A TFE polymer capable of giving a stretch film excellent in homogeneity. It is a tetrafluoroethylene polymer which has stretchability, is processable in a nonmelted state, and has a normal specific gravity of 2.140-2.165. The tetrafluoro...
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WO/2007/120348A1 |
A method for polymerizing, in an aqueous medium, at least one fluorinated monomer in the presence of a non-copolymerizable, non-fluorinated surfactant. The surfactant is generally selected from a non-ionic surfactant, a primary anionic s...
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WO/2007/116031A1 |
The invention pertains to a polymerisation process for the manufacture of a fluoropolymer [polymer (F)], said process comprising polymerising at least one fluorinated monomer in a polymerization medium, wherein said polymerization medium...
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WO/2007/110350A1 |
Polymerization process comprising the steps of: (a) reacting an aqueous suspension comprising initiator, vinyl chloride, and optionally one or more co-monomers in a continuous stirred tank reactor; and (b) further reacting the resulting ...
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WO/2007/103318A2 |
Provided is a composition comprising a fluorocarbon polymer, a radical initiator, and a first and second curing co-agent. In one aspect, the first curing co-agent is represented by the formula CH2=CH-Rf-CH=CH2, wherein Rf is selected fro...
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WO/2007/091517A1 |
Disclosed is a fluorine-containing polymer containing an ionic group having a heteroaromatic ring, which is useful as a material containing various heteroaromatic ring compounds each having a stable fluorine-containing heteroaromatic rin...
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WO/2007/066839A1 |
Disclosed are plasticizer compositions including cyclodextrin derivatives, a flexible PVC composition with suppression of the migration of a plasticizer containing the same, and a manufacturing method thereof. The manufacturing method of...
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WO/2007/064548A1 |
The present invention provides a fluorinated surfactant comprising fluorinated units and hydrophilic non-fluorinated units wherein said fluorinated surfactant can be obtained by (i) a free radical polymerization of: (a) one or more fluor...
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WO/2007/052911A1 |
Provided is a method of preparing a vinylchloride-based resin. The method includes adding to a vinylchloride-based latex an acid, preferably, 1-7 parts by weight of the acid based on 100 parts by weight of a solid of the vinylchloride-ba...
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WO/2007/049517A1 |
Disclosed is a fluororesin substantially containing no perfluorooctanoic acid or salt thereof, wherein the residual amount of a fluorine-containing emulsifier is low. Specifically disclosed is a fluororesin obtained by emulsion-polymeriz...
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WO/2007/049591A1 |
A molded fluororesin which is obtained by molding and burning a powder mixture comprising a fluororesin powder and carbon fiber structures, wherein each carbon fiber structure has a three-dimensional network form constituted of carbon fi...
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WO/2007/047788A1 |
Disclosed herein are novel α,α-dihydrofluorovinyl ethers, homopolymers thereof and copolymers containing more than (22) mole percent copolymerized units of said ether. The ethers have the general formula Rf-[CH2]n-OCF=CF2, wherein n is...
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WO/2007/046377A1 |
Disclosed is a method for producing a melt-moldable fluororesin which enables to increase the molecular weight of the fluororesin while preventing coloration of the fluororesin by using a specific fluorine-containing emulsifier other tha...
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WO/2007/046345A1 |
Disclosed is an aqueous polytetrafluoroethylene (PTFE) emulsion which is substantially free from ammonium perfluorooctanoate and can be produced by emulsion polymerization. Also disclosed are a PTFE fine powder and a porous material whic...
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WO/2007/038561A1 |
The present invention provides a method of making a fluoropolymer comprising: (i) providing an aqueous dispersion of fluoropolymer particles by polymerizing one or more fluorinated olefins and optionally one or more fluorinated or non-fl...
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WO/2007/037594A1 |
Disclosed relates to an organic material for a ferroelectric semiconductor device, which can be effectively used as a dielectric material of the ferroelectric semiconductor device, such as PVDF, etc. The PVDF having four crystal structur...
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WO/2007/032310A1 |
Disclosed are a process for production of a fluorinated elastomer which has a residue containing a functional group at the terminus of the backbone and/or the terminus of a side chain; a fluorinated elastomer produced by the process; a c...
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WO/2007/020716A1 |
A process for producing a purified polytetrafluoroethylene aqueous-dispersion, comprising passing a crude PTFE aqueous-dispersion containing 10 to 50 mass% of polytetrafluoroethylene (PTFE) microparticles of 0.1 to 0.5 μm average diamet...
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WO/2007/011633A1 |
The present invention provides an aqueous emulsion polymerization of fluorinated monomers including gaseous fluorinated monomers using a perfluoro ether surfactant as an emulsifier. The perfluoro ether surfactants correspond to formula (...
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WO/2007/011631A1 |
The invention relates to an aqueous emulsion polymerization of fluorinated monomers using perfluoropolyethers of the following formula (I) or (II). In particular, the perfluoropolyether surfactants correspond to formula (I) or (II) CF3-(...
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WO/2007/011027A1 |
An agitator for horizontal polymerization apparatus that realizes a reduction of polymer attached after the termination of polymerization, and that even in the occurrence of attachment, permits easily removing of the attached polymer. Th...
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WO/2007/005335A1 |
Biomedical devices formed from a polymerization product of a monomeric mixture comprising one or more monomers comprising at least two trifluorovinyl groups are provided. Also provided are biomedical devices formed from a network of a po...
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WO/2006/136555A1 |
The invention relates to a method for producing an aqueous polymer dispersion using microporous membranes.
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WO/2006/135825A1 |
The present invention relates to a method for making a fluoropolymer comprising an aqueous emulsion polymerization of one or more fluorinated monomers wherein said aqueous emulsion polymerization is carried out in the presence of an olig...
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WO/2006/121336A1 |
In a method for forming ferroelectric thin films of vinylidene fluoride oligomer or vinylidene fluoride co-oligomer, oligomer material is evaporated in vacuum chamber and deposited as a thin film on a substrate which is cooled to a tempe...
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WO/2006/118247A1 |
Disclosed is a method for producing a fluorine-containing polymer wherein an aqueous dispersion of a fluorine-containing polymer can be separated into the fluorine-containing polymer and the moisture content easily and efficiently. Also ...
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WO/2006/119224A1 |
The present invention is a fluoropolymer comprising a plurality of pendent groups terminating in -CF2SO3X, -CF2 SO2F, or combinations thereof, where X is selected from a group consisting of H+ and a monovalent cation, and at least one -C...
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WO/2006/110160A1 |
A process for reducing the fluorosurfactant content of an aqueous fluoropolymer dispersion by filling a shipping container with fluoropolymer dispersion and contacting the dispersion with a fluorosurfactant sorbent in the shipping contai...
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WO/2006/097172A1 |
The invention relates a single-step discontinuous method for producing pasteable polymers, in particular, vinyl chloride homopolymers and copolymers according to the microsuspension method. When they are mixed with softeners, said polyme...
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WO/2006/090728A1 |
A process for producing a fluoroelastomer containing an unsaturated-bond-containing group at a backbone end and/or a side chain end. Also provided are a curable composition containing the fluoroelastomer and a molded article obtained by ...
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WO/2006/086795A1 |
A process for producing aqueous fluoropolymer dispersion with low fluorosurfactant content by polymerizing at least one fluoromonomer in an aqueous medium in the presence a fluorosurfactant to produce aqueous fluoropolymer dispersion hav...
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WO/2006/084584A1 |
The invention relates to a process for the polymerisation of vinyl -containing monomers such as, for example, monomeric vinyl halides, in a reaction mixture, in which process less waste is generated.
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WO/2006/082246A1 |
The present invention relates to a new process for preparing PVC in aqueous suspension wherein the polymerisation reaction of monovinyl chloride is conducted in the presence of: a) a suspending system A comprising at least one polyvinyl ...
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WO/2006/080928A1 |
Acrylic polymers are made by the living radical polymerization of acrylic monomers utilizing organo halide initiators with either metal-free or metal catalysts. Moreover, block copolymers of vinyl halide monomers and acrylic monomers are...
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WO/2006/077737A1 |
Disclosed is a method for the preparation of an aqueous fluorinated polymer dispersion having a reduced amount of a fluorinated emulsifier or the like remaining in the dispersion. The method comprises preparing an aqueous fluorinated pol...
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WO/2006/067190A1 |
Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which : a) the hydrocarbon source is subjected to cracking which produces a mixture of products containing ethylene and other constituents;...
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WO/2006/067188A1 |
Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which: a) the hydrocarbon source is subjected to cracking which produces a mixture of products containing ethylene and other constituents; ...
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WO/2006/067191A1 |
Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which : a) the hydrocarbon source is subjected to a first cracking step, namely a pyrolysis step carried out in a cracking oven, thus produ...
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WO/2006/069109A1 |
A process for reducing fluorosurfactant content of a stabilized fluorosurfactant-containing aqueous fluoropolymer dispersion containing ferric ions by contacting the fluoropolymer dispersion with strong base anion exchange resin to reduc...
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WO/2006/067192A1 |
Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which: a) the hydrocarbon source is subjected to cracking which produces a mixture of products containing ethylene and other constituents; ...
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WO/2006/067193A1 |
Process for the manufacture of 1,2-dichloroethane starting with a hydrocarbon source according to which: a) the hydrocarbon source is subjected to a first cracking step, namely a pyrolysis step performed in a cracking oven, thus producin...
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WO/2006/067160A1 |
The invention pertains to a thermoplastic halogenated polymer composition comprising: at least one thermoplastic halogenated polymer (A); and less than 30 % by weight of (A) of fused silica particles having a BET (N2) surface area of at ...
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WO/2006/064226A1 |
A copolymer of (i) an alkyl acrylate or alkyl methacrylate and (ii) a hydroxyalkyl acrylate or hydroxyalkyl methacrylate is used as a secondary protective colloid in the suspension polymerization of vinyl chloride monomer. The alkyl grou...
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WO/2006/061988A1 |
One or more monomers comprising vinylidene fluoride as the main ingredient are fed to a polymerization system containing a polymerization initiator to conduct suspension polymerization, the monomers being fed portion-wise at a pressure l...
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WO/2006/058417A1 |
A process for purifying a P(VDF-TrFE) copolymer to produce an improved high performance copolymer for pyroelectric conversion. Pellets of a P(VDF-TrFE) copolymer are dissolved in a solvent to form a solution. Subsequently, anhydrous etha...
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