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Matches 401 - 450 out of 8,490

Document Document Title
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 (...  
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-(...  
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...  
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...  
WO/2006/136555A1
The invention relates to a method for producing an aqueous polymer dispersion using microporous membranes.  
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...  
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...  
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 ...  
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...  
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...  
WO2005097843A8
A polycyclic or monocyclic perfluorovinyl compound comprising at least one structural unit selected from the group consisting of formula I and formula II wherein M is independently at each occurrence a metal selected from group 14 of the...  
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...  
WO2006031316A3
In accordance with one aspect of the invention, there is provided (i) an amorphous fluoropolymer that has one or more cure site components, the cure site components being contained in the amorphous fluoropolymer in an amount between 0.1 ...  
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 ...  
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...  
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.  
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 ...  
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...  
WO2006042994A3
The invention concerns fluoropolymers comprising at least one repeat unit of formula (I), wherein: groups X and Y, identical or different, represent H or F; group Z represents F or a perfluorinated alkyl group; group W represents CH2O or...  
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...  
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;...  
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; ...  
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...  
WO/2006/069010A2
A polymer of fluorinated monomers and hydrocarbon monomers is provided. It is also provided a polymer blend that contains a polymer formed of fluorinated monomers and hydrocarbon monomers and another biocompatible polymer. The polymer or...  
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...  
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; ...  
WO/2006/069010A3
A polymer of fluorinated monomers and hydrocarbon monomers is provided. It is also provided a polymer blend that contains a polymer formed of fluorinated monomers and hydrocarbon monomers and another biocompatible polymer. The polymer or...  
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...  
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 ...  
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...  
WO2005032684A3
A hydrophilic semipermeable membrane can include a porous polymeric structure containing a blend of PVDF and hydroxyalkylcellulose. The membrane may be used for ultrafiltration. A method of making a hydrophilic semipermeable membrane can...  
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...  
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...  
WO2005108436A3
The present invention relates to the reduction of oligomer content of melt-processible fluoropolymer so that the fluoropolymer has at least 25 ppm less oligomer than the as-polymerized fluoropolymer.  
WO/2006/049392A1
Provided are a vinyl chloride resin composition containing a vinyl chloride monomer and an organo-modified metal oxide nanoparticle which can be used in exterior construction materials due to markedly improved thermal stability and weath...  
WO/2006/043609A1
A polyvinylidene fluoride resin powder for melt molding which has such particle size distribution characteristics that the average particle diameter (D50) is 80-250 µm, the proportion of resin particles having a particle diameter of 45 ...  
WO/2006/042994A2
The invention concerns fluoropolymers comprising at least one repeat unit of formula (I), wherein: groups X and Y, identical or different, represent H or F; group Z represents F or a perfluorinated alkyl group; group W represents CH2O or...  
WO/2006/031316A2
In accordance with one aspect of the invention, there is provided (i) an amorphous fluoropolymer that has one or more cure site components, the cure site components being contained in the amorphous fluoropolymer in an amount between 0.1 ...  
WO/2006/030625A1
A curable composition; a process for producing a fine structure; and a method of forming a pattern. The curable composition is a composition for use with a mold having a pattern reverse to a fine pattern. The composition is sandwiched be...  
WO/2006/022385A1
Disclosed is a method for refining a fluorine-containing polymer which enables to efficiently remove low molecular weight components from the fluorine-containing polymer. Also disclosed is a method for producing a fluorine-containing pol...  
WO/2006/020721A1
A process for reducing the fluorosurfactant content of an aqueous fluoropolymer dispersion by filling a container with fluoropolymer dispersion, inserting into the container a fabric pouch containing a fluorosurfactant sorbent so that th...  
WO/2006/019097A1
Disclosed are an electrolyte polymer for fuel cells having excellent durability, an electrolyte membrane and a membrane electrode assembly. Specifically disclosed is an electrolyte polymer for fuel cells which is composed of a perfluoroc...  
WO/2006/019652A1
Anionic species are removed from aqueous dispersions of ionic fluoropolymers using anion exchange resins. In some embodiments, cationic species are also removed using cation exchange resins.  
WO2005045978A3
Polymer electrolyte membranes such as are used in fuel cells and methods of their manufacture. The polymer electrolyte membranes comprise polymers or blends of polymers having an equivalent weight of less than 1200 and a Tg of between 10...  
WO2005118656A3
The present invention relates to novel unsaturated polycyclic compounds containing two fluoroalcohol substitutents. This invention also relates to homopolymers and copolymers derived from such unsaturated polycyclic compounds. The copoly...  
WO/2005/121290A1
The present invention relates to a process for the preparation of a fluoropolymer by polymerization of an aqueous dispersion of at least one fluoromonomer, this dispersion additionally comprising a fluorosurfactant, a radical initiator, ...  
WO/2005/118656A2
The present invention relates to novel unsaturated polycyclic compounds containing two fluoroalcohol substitutents. This invention also relates to homopolymers and copolymers derived from such unsaturated polycyclic compounds. The copoly...  
WO/2005/108436A2
The present invention relates to the reduction of oligomer content of melt-processible fluoropolymer so that the fluoropolymer has at least 25 ppm less oligomer than the as-polymerized fluoropolymer.  
WO/2005/102983A1
A mixture of fluoroalkylalcohols of the formula C2F5(CF2CF2)nCH2CH2OH (n is an integer of ≥0) wherein the sum of such fluoroalkylalcohols of n=3 and n=4 contained is ≥ 85 mol% is provided. This mixture is reacted with an acrylic acid...  
WO/2005/097847A1
Disclosed is a polytetrafluoroethylene powder having adequate formability and electrical characteristics in the microwave range at the same time. Specifically disclosed is a modified polytetrafluoroethylene powder which is characterized ...  

Matches 401 - 450 out of 8,490