Patent application number | Description | Published |
20100022702 | THERMALLY STABLE FLUOROPOLYMERS - A fluorinated polymer composition, an article made with the fluorinated polymer composition and a method of making the fluorinated polymer are provided. The method comprises a partially fluorinated polymer which has carboxylic or carboxylate end groups and forming a potassium salt with the end groups of the fluorinated polymer through ion exchange. The resulting partially fluorinated polymers demonstrate high thermal stability without the addition of thermal stabilizers. | 01-28-2010 |
20100113679 | METHOD OF MAKING FLUOROPOLYMER DISPERSION - A method of making a fluoropolymer dispersion by first providing a fluoropolymer dispersion comprising fluoropolymer particles and one or more fluorinated surfactants selected from fluorinated carboxylic acids or salts thereof having the general formula: | 05-06-2010 |
20100121012 | Melt-Processible Fluoropolymers Having Long-Chain Branches, Methods of Preparing Them and Uses Thereof - 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 also provided. | 05-13-2010 |
20100179262 | FLUORINATED ETHER COMPOSITIONS AND METHODS OF USING THE SAME - A composition including at least one first divalent unit represented by formula: Each Rf is independently selected from the group consisting of Rf | 07-15-2010 |
20100179293 | PROCESS FOR REMOVING FLUORINATED COMPOUNDS FROM AN AQUEOUS PHASE ORIGINATING FROM THE PREPARATION OF FLUOROPOLYMERS - A process of removing fluorinated compounds from an aqueous phase originating from the preparation of fluoropolymers said process comprising the use of polycationic polymers. | 07-15-2010 |
20100227992 | PROCESS FOR PRODUCING FLUOROPOLYMERS - A process for producing fluoropolymers by polymerizing at least one fluorinated monomer in a polymerization medium comprising water and selected low-telogenic hydrofluoroethers (HFEs). | 09-09-2010 |
20100305262 | PROCESS FOR MANUFACTURING CLEAN FLUOROPOLYMERS - There is provided a fluoroelastomer characterized by containing one type or more types of fluorinated emulsifiers represented by the formula: F—(CF | 12-02-2010 |
20110034604 | FLUORINATED SURFACTANTS FOR MAKING FLUOROPOLYMERS - The invention provides a fluorinated surfactant having the general formula: | 02-10-2011 |
20110040021 | METHODS FOR MELT-PROCESSING THERMOPLASTIC FLUOROPOLYMERS - A method comprising melt-processing a first composition. The first composition comprises a first fluoropolymer having a relaxation exponent of from 0.93 to 1.0 and a second fluoropolymer having a relaxation exponent of from 0.30 to 0.92. A method comprising melt-processing a first composition, wherein the first composition comprises a first fluoropolymer having an LCBI of from 0 to 0.1 and a second fluoropolymer having an LCBI of at least 0.2. A method comprising melt-processing a first composition, wherein the first composition comprises a core-shell polymer having a first fluoropolymer portion and a second fluoropolymer portion. The extrusion products have a lower width homogeneity index value than observed in state of the art fluo-ropolymers. | 02-17-2011 |
20110124532 | FLUORINATED ETHER SILANES AND METHODS OF USING THE SAME - Fluorinated compounds represented by formula Rf-Q-X—[Si(R) | 05-26-2011 |
20110124782 | FLUORINATED ETHER COMPOUNDS AND METHODS OF USING THE SAME - Compounds represented by formula (Rf-Q-X) | 05-26-2011 |
20110218305 | AZIDE-CONTAINING FLUOROPOLYMERS AND THEIR PREPARATION - Fluoropolymers containing one or more azide group wherein the azide group is not a sulfonyl-azide group and processes of preparing them. | 09-08-2011 |
20110294951 | METHOD OF PREPARING FLUOROPOLYMERS BY AQUEOUS EMULSION POLYMERIZATION - Method of making fluoropolymers by emulsion polymerization of one or more fluorinated monomers in an aqueous phase in the presence of a fluorinated emulsifier, said method comprises adding a doping agent in a weight ratio with respect to the emulsifier of from about 1:2 to about 1:20, said doping agent has a melting point of equal or less than 30° C. and a boiling point of at least about 100° C. and is selected from the group consisting of fluorinated cyclic hydrocarbons, fluorinated polyoxyalkenes, fluorinated alkenes and fluorinated polyoxyalkenes. | 12-01-2011 |
20120190807 | AQUEOUS EMULSION POLYMERIZATION PROCESS FOR PRODUCING FLUOROPOLYMERS - A method of making a fluoropolymer in the presence of a fluorinated surfactant. | 07-26-2012 |
20120252949 | METHOD OF MAKING FLUOROPOLYMER DISPERSION - A method of making a fluoropolymer dispersion by first providing a fluoropolymer dispersion comprising fluoropolymer particles and one or more fluorinated surfactants selected from fluorinated carboxylic acids or salts thereof having the general formula: | 10-04-2012 |
20130090441 | POLYMERIZABLE COMPOSITIONS FREE OF ORGANIC EMULSIFIER AND POLYMERS AND METHODS OF MAKING THEREOF - Described herein is a polymerizable composition substantially free of an organic emulsifier, methods of making, and articles thereof. The polymerizable composition comprises: a continuous phase; a polymerizable monomer; an initiator; and inorganic nanoparticles, wherein the inorganic nanoparticles are substantially free of groups that will copolymerize with the polymerizable monomer. | 04-11-2013 |
20130129954 | PEROXIDE CURABLE FLUOROELASTOMERS CONTAINING MODIFIERS AND IODINE OR BROMINE ENDGROUPS - Provided are curable fluoroelastomers. Further provided are methods of making the curable elastomers, curable fluoroelastomer compositions and methods of making them and shaped articles made from the curable fluoroelastomer compositions. | 05-23-2013 |
20130172477 | HIGH MELTING PTFE POLYMERS FOR MELT-PROCESSING - Provided are a tetrafluoroethylene copolymers having a melting point of at least 317° C., a melt flow index (MFI) at 372° C. and a 5 kg load (MFI 372/5) of from about 0.60 g/10 min up to about 15 g/10 min. Also provided are methods of forming a shaped article using the copolymers described above, shaped articles made with those copolymers and compositions containing such copolymers. | 07-04-2013 |
20130251930 | FLUORINE-CONTAINING POLYMER COMPRISING A SULFINATE-CONTAINING MOLECULE - Described herein is a composition having a fluoropolymer derived from the polymerization of a monomer and a sulfinate-containing molecule, wherein the sulfinate-containing molecule is selected from the group consisting of Formula (I), Formula (II); and combinations thereof, wherein X | 09-26-2013 |
20130281607 | FLUOROPOLYMER COMPOSITIONS AND PURIFICATION METHODS THEREOF - Described herein is a composition comprising an aqueous polymerization reaction product of fluorinated monomers and wherein the polymerization is initiated (i) in the absence of a fluorinated emulsifier and whereby no fluorinated emulsifier is added during polymerization or (ii) in the presence of an fluorinated emulsifier selected from: [R | 10-24-2013 |
20140094564 | ARTICLE PREPARED FROM CLEAN FLUOROPOLYMERS - There is provided an article prepared from a fluoroelastomer, the fluoroelastomer being derived from an emulsion, the emulsion comprising a fluorinated emulsifier represented by the formula F—(CF | 04-03-2014 |
20140114024 | AZIDE-CONTAINING FLUOROPOLYMERS AND THEIR PREPARATION - Fluoropolymers containing one or more azide group wherein the azide group is not a sulfonyl-azide group and processes of preparing them. | 04-24-2014 |