Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 301 - 350 out of 8,521

Document Document Title
WO/2010/113950A1
Disclosed is a polytetrafluoroethylene suitable for forming a porous polytetrafluoroethylene film using a water-soluble and highly volatile surfactant. The polytetrafluoroethylene has non-melt secondary processability, and has a standard...  
WO/2010/086408A1
The present invention relates to a method for producing photo-crosslinkable polymer nanoparticles having diameters less than or equal to 100 nm and polymer nanoparticle dispersions that can be obtained therefrom. For this purpose, monovi...  
WO/2010/084130A1
In a process for the aqueous suspension polymerization of vinyl chloride, alone or in mixture with other monomers, in the presence of at least one of dialkylperoxydicarbonate, peroxyester and diacyl peroxide, the polymerization compositi...  
WO/2010/075494A1
Particles comprising a bulk of fluoropolymer and a nucleus of fluorinated ionomer, dispersions of such particles, articles and coatings made from such particles.  
WO/2010/075495A1
A process for making an aqueous dispersion of fluorinated ionomer particles by providing dispersed particulate of fluorinated ionomer in an aqueous polymerization medium and polymerizing at least one fluorinated monomer having an ionic g...  
WO/2010/075497A1
A process for making an aqueous dispersion of fluorinated ionomer particles by polymerizing in a first polymerization step at least one fluorinated monomer having an ionic group in an aqueous polymerization medium in the presence of init...  
WO/2010/075359A1
A process for making an aqueous dispersion of fluoropolymer particles by providing dispersed particulate of fluorinated ionomer in an aqueous polymerization medium and polymerizing at least one fluorinated monomer in the aqueous polymeri...  
WO/2010/075496A1
A process for making an aqueous dispersion of fluoropolymer particles by polymerizing in a first polymerization step at least one fluohnated monomer having an ionic group in an aqueous polymerization medium in the presence of initiator, ...  
WO/2010/075362A1
A process comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and fluorosurfactant having the formula (I) RfCH2OCF(CF3)C(O)OM (I) wherein Rf is a linear or branched perfluoroalkyl group with...  
WO/2010/070176A1
The present invention describes a procedure for internal plastification of chlorinated polymers by dialkyl phthalate or dialkyl isophthalate chemically modified such that they anchor covalently to the polymer chain and in this manner pre...  
WO/2010/065809A1
The invention concerns processes for the production of multiarmed star copolymers comprising polymerizing vinyl chloride with a multifunctional initiator in the presence of Na2S2O4 and water. The invention also concerns polymers made fro...  
WO/2010/061152A1
The invention relates to a method for manufacturing vinyl chloride monomer, including the preparation of acetylene from one or more renewable first materials, followed by the reaction of the acetylene with hydrogen chloride so as to form...  
WO/2010/056699A1
A compound of Formula (1) wherein Formula (2) linear or branched perfluoroalkyl group, X and X' are each independently H or F, provided that at least one of X or X' is F, each Y is independently H or F, m is an integer from 1 to 4, n is ...  
WO/2010/056688A1
A process comprising polymerizing in an aqueous medium at least one fluorinated olefin monomer other than vinylidene fluoride in the presence of a compound of formula (1): Rf(CH2CF2)m-(CH2)nSO3M (1) wherein Rf is a C1 to C4 linear or bra...  
WO/2010/054172A1
A process comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and polymerization agent to form an aqueous dispersion of particles of fluoropolymer, wherein said polymerization agent is a com...  
WO/2010/021962A3
Fluoropolymers containing one or more azide group wherein the azide group is not a sulfonyl-azide group and processes of preparing them.  
WO/2010/043575A1
Composition comprising at least one vinyl halide polymer and 0.1 to 5% by weight, relative to the weight of the vinyl halide polymer, of at least one polymer of at least one acrylic ester obtained by polymerization in solution in a liqui...  
WO/2010/038800A1
Moldability is imparted to PTFE, which has been difficult to mold and been processed by a special technique, to provide a PTFE resin from which products of shapes that have not been obtained so far (ultrathin or ultrafine shapes) can be ...  
WO/2010/032576A1
A peroxide-crosslinkable fluoroelastomer obtained by copolymerizing 0.1-20 mol% fluoroolefin iodide mixture represented by the general formula CnF2n+1CF2CH=CF(CF2CF2)mI [Ia] and general formula CnF2n+1CF=CHCF2(CF2CF2)mI [Ib] (wherein n i...  
WO/2010/021962A2
Fluoropolymers containing one or more azide group wherein the azide group is not a sulfonyl-azide group and processes of preparing them.  
WO/2009/146146A3
The present invention relates to (i) novel fluoroionic compounds capable of dispersing particulate filler compositions into a fluoropolymer; (ii) novel particulate compositions in which particulates are surface-functionalized with a fluo...  
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...  
WO/2010/003929A1
The invention pertains 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 at least one c...  
WO/2009/157416A1
Disclosed is a method for purifying fluorine-containing carboxylic acid and derivatives thereof, wherein few decompositions and impurities, and etheric oxygen atoms are contained. A liquid containing one or more compounds selected from t...  
WO/2009/146146A2
The present invention relates to (i) novel fluoroionic compounds capable of dispersing particulate filler compositions into a fluoropolymer; (ii) novel particulate compositions in which particulates are surface-functionalized with a fluo...  
WO/2009/142080A1
Disclosed is a simple method for producing a PTFE fine powder having low paste extrusion pressure characteristics. In the method, an aqueous emulsion of a PTFE, which is produced by emulsion-polymerizing tetrafluoroethylene in the presen...  
WO/2009/137734A1
A process for making fluoropolymer resin comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and polymerization agent comprising fluoroether carboxylic acid or salt thereof to form an aqueou...  
WO/2009/111120A3
A composition and method of making having a perfluoroelastomer gum with a nitrogen- containing cure site and an end group represented by -CF3 -CF2H, -CFH2, and/or -CH3, and having a low carbonyl-containing end group ratio, which yield cu...  
WO/2009/126708A1
A curable fluoroelastomeric composition comprising: a fluoropolymer comprising at least one cure site monomer that comprises at least one cyano group; a cure system comprising a functionalized biphenyl-based compound and at least one of:...  
WO/2009/119202A1
Disclosed is a fluorine-containing elastic copolymer having high crosslinkability, high fluidity, excellent compression set and excellent base resistance. A method for producing such a fluorine-containing elastic copolymer is also disclo...  
WO/2009/116446A1
Disclosed is an electrolyte that has a high conductivity even under high temperature and low humidity conditions (for example, 20 to 50%RH at 100 to 120°C) and can realize a higher performance fuel cell. The fluorinated polyelectrolyte ...  
WO/2009/111120A2
A composition and method of making having a perfluoroelastomer gum with a nitrogen- containing cure site and an end group represented by -CF3 -CF2H, -CFH2, and/or -CH3, and having a low carbonyl-containing end group ratio, which yield cu...  
WO/2009/096547A1
Disclosed is an ethylene-tetrafluoroethylene (ETFE) copolymer having a high melt tension and excellent blow-moldability and the like. The ETFE copolymer has an ethylene unit, a tetrafluoroethylene unit, and a unit composed of a monomer (...  
WO/2009/096544A1
Disclosed is a method for producing a thermoplastic fluororesin having high melt tension and excellent blow moldability. Specifically disclosed is a method for producing a thermoplastic fluororesin containing a fluorine-containing polyme...  
WO/2009/093565A1
A process for producing, by modification, vinylidene fluoride elastomers which bear, at either or both of the ends of the backbone chain, groups having moieties derived from sulfinic acids, sulfinic acid derivatives, sulfonic acids, or s...  
WO/2009/094346A1
An emulsion polymerization process for the production of non-elastomeric fluoropolymers is disclosed wherein at least one fluorosurfactant is employed as dispersant, said fluorosurfactant being a fluoroalkylphosphoric acid ester of the f...  
WO/2009/094344A1
An emulsion polymerization process for the production of fluoroelastomers is disclosed wherein at least one fluorosurfactant is employed as dispersant, said fluorosurfactant being a fluoroalkylphosphoric acid ester of the formula X-Rf-(C...  
WO/2009/069320A1
A fluoroelastomer is produced by polymerization reaction of a fluorinated olefin with the use of any of ωH perfluorocarboxylic acids of the general formula H(CF2)nCOOM (wherein M is a hydrogen atom, an alkali metal or an ammonium group,...  
WO/2009/062002A1
An emulsion polymerization process for the production of fluoropolymers is disclosed wherein a combination of at least two fluorosurfactants is employed as dispersants. At least one fluorosurfactant is a perfluoroalkyl or perfluoroalkoxy...  
WO/2009/036131A3
Iodine containing amorphous fluoropolymers having at least one fluoropolymer with a cure site, where the fluoropolymer has a Mooney viscosity of 2 or less (ML 1+10) at 100°C according to ASTM D1646, and a peel strength to a roll mill of...  
WO/2009/062006A1
An emulsion polymerization process for the production of fluoropolymers that contain polymerized units of tetrafluoroethylene is disclosed wherein a perfluoroaliphatic sulfinate is employed as dispersant.  
WO/2007/121165A4
A copolymer useful as a demulsifier or water clarifier may be prepared by polymerizing at least one aromatic monomer having one or more polymerizable double bonds; at least one oleophilic monomer having one or more polymerizable double b...  
WO/2009/049168A1
There is provided a fluoroelastomer characterized by containing one type or more types of fluorinated emulsifiers represented by the formula: F-(CF2)t -[O(CF2)n]m-O-(CHF)o-(CF2)p-X where m = 0 to 3; n = 1 to 5; o = 0 to 1; p = 1 to 3; t ...  
WO/2009/047969A1
Disclosed are: a powder of a vinylidene fluoride polymer having a high molecular weight, which is excellent in the solubility in an organic solvent and is useful as an electrode binder for a non-aqueous battery; an NMP solution; and a me...  
WO/2009/036131A2
Iodine containing amorphous fluoropolymers having at least one fluoropolymer with a cure site, where the fluoropolymer has a Mooney viscosity of 2 or less (ML 1+10) at 100°C according to ASTM D1646, and a peel strength to a roll mill of...  
WO/2009/034952A1
This invention provides a process for molding an amorphous perfluororesin and an optical element molded by the process. The process comprises (a) the step of dissolving an amorphous perfluororesin in a solvent, (b) the step of placing a ...  
WO/2009/002898A3
A method is disclosed for producing polyvinyl chloride which includes mixing a vinyl chloride solution with an initiator solution in at least one high shear mixing device comprising at least one rotor/stator set producing a rotor tip spe...  
WO/2009/020187A1
Disclosed is an aqueous dispersion of a low molecular weight polytetrafluoroethylene, which contains an easily removable surfactant, while having good dispersion stability. Specifically disclosed is an aqueous dispersion of a low molecul...  
WO/2009/014136A1
Disclosed is a fluoropolymer production method which can produce a fluoropolymer efficiently. Specifically disclosed is a fluoropolymer production method characterized by polymerizing a fluoromonomer in an aqueous medium in the presence ...  
WO/2009/014138A1
Disclosed is a method for producing a purified fluorine-containing polymer which is applicable to high-pressure polymerization using a large-sized polymerization vessel. This method enables to produce a purified fluorine-containing polym...  

Matches 301 - 350 out of 8,521