Patent application number | Description | Published |
20090105435 | DIFUNCTIONAL OLIGOMERS OF PERFLUORO(METHYL VINYL ETHER) - Oligomers of perfluoro(methyl vinyl ether) with vinylidene fluoride or tetrafluoroethylene are disclosed that contain 40-90 mole percent copolymerized units of vinylidene fluoride or tetrafluoroethylene and 10-60 mole percent copolymerized units of perfluoro(methyl vinyl ether), said oligomers having two functional endgroups and having a number average molecular weight between 1000 and 25,000. | 04-23-2009 |
20090137773 | Production Processes and Systems, Compositions, Surfactants, Monomer Units, Metal Complexes, Phosphate Esters, Glycols, Aqueous Film Forming Foams, and Foam Stabilizers - Compositions and methods for making compositions such as RF(Rτ)nQ are provided. The RF group can include at least two —CF3 groups, the Rτ group can be a group having at least two carbons, n can be at least 1, and the Q group can include one or more atoms of the periodic table of elements. RF-intermediates (RF(RT)nQg); Surfactants (RF(RT)nQs); Foam stabilizers (RF(RT)IIQFS); Metal complexes (RF(RT)IIQMC); Phosphate ester (RF(RT)HQPE); Polymers (RF(RT)IIQMU); Monomers (RF(RT)IIQM); Urethanes (RF(Rτ)nQu); and/or Glycols (RF(RT)IIQH) and methods for making the same are provided. | 05-28-2009 |
20100151351 | MONOMERS AND POLYMERS CARRYING IMIDAZOLE AND BENZIMIDAZOLE GROUPINGS, AND PROTON EXCHANGE MEMBRANE CONTAINING THE SAME FOR THE PRODUCTION OF A FUEL CELL - The invention relates to a monomer ( | 06-17-2010 |
20100324222 | CURABLE FLUOROELASTOMER COMPOSITIONS - This invention relates to curable fluoroelastomer compositions comprising a) fluoroelastomers having either nitrile, alkyne or azide cure sites and b) fluorinated curatives containing diazide, dinitrile or dialkyne groups for reacting with cure sites on the fluoroelastomer. Fluoroelastomers having azide cure sites form crosslinks with curatives having dinitrile or dialkyne groups. Fluoroelastomers having nitrile or alkyne cure sites form crosslinks with curatives having diazide groups. | 12-23-2010 |
20100324234 | COPOLYCONDENSATION POLYMERIZATION OF FLUOROPOLYMERS - Fluorinated copolymers are prepared via copolycondensation polymerization in a process comprising reacting A) a telechelic fluoroazido compound of formula N | 12-23-2010 |
20110015358 | FLUOROPOLYMERS HAVING DIACRYLATE ENDS - Disclosed herein is a telechelic diacrylate fluoropolymer and a process for manufacture of the fluoropolymer. The diacrylate copolymer is of formula CH | 01-20-2011 |
20110015359 | Crosslinked Fluoropolymer Networks - Disclosed herein is a crosslinked fluoropolymer network formed by the free radical initiated crosslinking of a diacrylate fluoropolymer The diacrylate copolymer is of formula CH | 01-20-2011 |
20110136999 | PROCESS FOR PREPARATION OF FLUOROSILICON POLYMER - Fluorosilicon polymers are disclosed that are prepared by a process comprising reacting a) iodinated oligomers having copolymerized units of perfluoro(methyl vinyl ether) and vinylidene fluoride or tetrafluoroethylene that contain 40-90 mole percent copolymerized units of vinylidene fluoride or tetrafluoroethylene and 10-60 mole percent copolymerized units of perfluoro(methyl vinyl ether), said oligomers having two functional endgroups and having a number average molecular weight between 1000 and 25,000 with b) a methoxyvinyl silane or an ethoxyvinyl silane to form a silicon-containing polymeric adduct that is further reacted with an acid to form a crosslinked fluorinated polymer. | 06-09-2011 |
20110190404 | FLUOROCARBON POLYMER MATERIAL AND METHOD FOR SYNTHESIZING - The invention relates to a fluorocarbon polymer material comprising a backbone with the following unit: | 08-04-2011 |
20110213113 | PRODUCTION PROCESSES AND SYSTEMS, COMPOSITIONS, SURFACTANTS, MONOMER UNITS, METAL COMPLEXES, PHOSPHATE ESTERS, GLYCOLS, AQUEOUS FILM | 09-01-2011 |
20120136077 | FLUORINATED COPOLYMERS, MEMBRANES PREPARED USING THE LATTER AND FUEL CELL DEVICE INCLUDING SAID MEMBRANES - A fluorinated copolymer including at least one recurrent unit of the following formula (I): | 05-31-2012 |
20120172462 | Novel Interpenetrating Polymer Networks and Uses Thereof - Interpenetrating polymer networks comprising a first network of polymer A formed from monomers, at least one of which contains an aromatic group functionalized with a cation-exchange group, and a second network of polymer B formed from monomers, at least one of which contains a fluorinated group (R | 07-05-2012 |
20120219878 | COPOLYMERS COMPRISING PHOSPHONATE AND/OR PHOSPHONIC ACID GROUPS, USABLE FOR FORMING FUEL CELL MEMBRANES - Copolymers comprising at least one recurrent unit of the following formula (I) are provided: | 08-30-2012 |
20130012673 | CURABLE FLUOROELASTOMER COMPOSITIONS - This invention relates to curable fluoroelastomer compositions comprising a) fluoroelastomers having either nitrile, alkyne or azide cure sites and b) fluorinated curatives containing diazide, dinitrile or dialkyne groups for reacting with cure sites on the fluoroelastomer. Fluoroelastomers having azide cure sites form crosslinks with curatives having dinitrile or dialkyne groups. Fluoroelastomers having nitrile or alkyne cure sites form crosslinks with curatives having diazide groups. | 01-10-2013 |
20130012674 | DIFUNCTIONAL OLIGOMERS OF PERFLUORO(METHYL VINYL ETHER) - Oligomers of perfluoro(methyl vinyl ether) with vinylidene fluoride or tetrafluoroethylene are disclosed that contain 40-90 mole percent copolymerized units of vinylidene fluoride or tetrafluoroethylene and 10-60 mole percent copolymerized units of perfluoro(methyl vinyl ether), said oligomers having two functional endgroups and having a number average molecular weight between 1000 and 25,000. | 01-10-2013 |
20130072635 | FLUOROPOLYMERS HAVING DIACRYLATE ENDS - Disclosed herein is a telechelic diacrylate fluoropolymer and a process for manufacture of the fluoropolymer. The diacrylate copolymer is of formula CH | 03-21-2013 |
20130072637 | CROSSLINKED FLUOROPOLYMER NETWORKS - Disclosed herein is a crosslinked fluoropolymer network formed by the free radical initiated crosslinking of a diacrylate fluoropolymer The diacrylate copolymer is of formula CH | 03-21-2013 |
20130150544 | PROCESS FOR PREPARING NOVEL COPOLYMERS WITH A FLUOROPOLYMER BACKBONE COMPRISING POLYOXYALKYLENE PENDANT CHAINS - The invention relates to novel copolymers and to an associated preparation method, comprising recurrent units bearing a pendant chain of the polyoxyalkylene type. | 06-13-2013 |
20130184422 | PROCESS, PROPERTIES, AND APPLICATIONS OF GRAFT COPOLYMERS - Fluorinated macromonomers, a PCTFE-g-poly(M) graft copolymer, and moisture barrier films and articles formed therefrom are provided. The PCTFE-g-poly(M) graft copolymers have a PCTFE backbone component and a plurality of pendant groups attached to the PCTFE backbone component. | 07-18-2013 |
20130280620 | HALOGEN COPOLYMERS COMPRISING AT LEAST ONE REPETITIVE VINYL ETHER UNIT HAVING ONE CARBONATE PENDANT GROUP - This invention concerns copolymers that may be used for incorporation into electrolytic membranes for lithium generators, comprising at least one vinyl ether repetitive motif comprising a pendant cyclic carbonate group. | 10-24-2013 |
20140034651 | Metal-Oxide Nanofiller, Method for Synthesising Same, and Use Thereof in a Fluorocarbon-Resin Non-Stick Coating - Provided is a metal-oxide nanofiller including at least two graft chains, at least one of the chains being hydrophilic and the other being a hydrophobic chain compatible with fluorinated polymers. The hydrophobic chain is an oligomer, the weight-average molar mass Mw of which is between 300 and 20,000 g/mol | 02-06-2014 |
20140154611 | CONTROLLED RADICAL COPOLYMERIZATION OF FLUORINATED MONOMERS BY XANTHATE OR TRITHIOCARBONATE - The invention relates to a method of preparing a fluorinated copolymer, comprising a step of copolymerization of a fluorinated monomer (of the vinylidene fluoride type) with an α-trifluoromethacrylic acid monomer or derivative of α-trifluoromethacrylic acid, in the presence of a xanthate or trithiocarbonate compound. The invention also relates to copolymers obtained by this method as well as block copolymers comprising a copolymer block prepared according to this method. | 06-05-2014 |
20140234630 | FLUOROPOLYMERS CONTAINING A COPOLYMERIZED FLUOROMONOMER AND A FUNCTIONAL HYDROCARBON COMONOMER AND ARTICLES MADE FROM SUCH FLUOROPOLYMERS - Disclosed is a copolymer film that includes a first comonomer including a chlorofluoro olefin and a second comonomer that is selected from the group consisting of itaconic acid, 2,3-dihydropyran, D-glucal, glycerine carbonate vinyl ether, 2-hydroxypropyl acrylate, maleic anhydride, vinylidene chloride, and mixtures thereof. | 08-21-2014 |
20140370418 | MONOMERS AND POLYMERS CARRYING IMIDAZOLE AND BENZIMIDAZOLE GROUPINGS, AND PROTON EXCHANGE MEMBRANE CONTAINING THE SAME FOR THE PRODUCTION OF A FUEL CELL - The invention relates to a monomer (6, 14) carrying an imidazole-type heterocycle (3). According to the invention, the chemical structure of said monomer (6, 14) comprises at least one unit of formula (I) wherein R1 comprises an alkenyl grouping and R2 comprises a grouping for protecting one of the nitrogen atoms of the heterocycle. The invention also relates to a monomer carrying a benzimidazole-type heterocycle, and to protected polymers obtained from said monomers, deprotected polymers produced by the protected polymers, a proton exchange membrane based on deprotected polymers, and a fuel cell provided with said membrane. Furthermore, the invention relates to methods for producing the above-mentioned monomers and polymers. | 12-18-2014 |