CURABLE FLUOROCOPOLYMER FORMED FROM TETRAFLUOROPROPENE

The present invention is directed to partially fluorinated copolymers and the production thereof. More specifically, the copolymers, which are preferably produced by a solution polymerization process, preferably have at least three units, the first unit selected from 2,3,3,3-tetrafluoropropene and 1...

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Hauptverfasser:	FENG, SHIJUN, ZHANG, SIYUAN, POSS, ANDREW, LIN, YUN, JIANG, WANCHAO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator	FENG, SHIJUN ZHANG, SIYUAN POSS, ANDREW LIN, YUN JIANG, WANCHAO
description	The present invention is directed to partially fluorinated copolymers and the production thereof. More specifically, the copolymers, which are preferably produced by a solution polymerization process, preferably have at least three units, the first unit selected from 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, the second unit having a polymerized monomer selected from the vinyl esters and vinyl ethers, and the third unit having a polymerized monomer derived from a hydroxyl group-containing vinyl ether. The resulting copolymer, which may be used as a coating, is environmentally friendly, has favorable molecular weight characteristics, and may be shipped economically in high concentration. La présente invention porte sur des copolymères partiellement fluorés et sur leur fabrication. Plus précisément, les copolymères selon l'invention sont de préférence obtenus par un procédé de polymérisation en solution et ont de préférence au moins trois motifs, le premier motif étant choisi entre le 2,3,3,3-tétrafluoropropène et le 1,3,3,3-tétrafluoropropène, le deuxième motif ayant un monomère polymérisé choisi parmi les esters vinyliques et les éthers de vinyle et le troisième motif ayant un monomère polymérisé issu d'un éther de vinyle contenant un groupe hydroxyle. Le copolymère ainsi obtenu est respectueux de l'environnement, possède des caractéristiques de masse moléculaire favorables et peut être expédié de façon économique à une haute concentration.
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More specifically, the copolymers, which are preferably produced by a solution polymerization process, preferably have at least three units, the first unit selected from 2,3,3,3-tetrafluoropropene and 1,3,3,3-tetrafluoropropene, the second unit having a polymerized monomer selected from the vinyl esters and vinyl ethers, and the third unit having a polymerized monomer derived from a hydroxyl group-containing vinyl ether. The resulting copolymer, which may be used as a coating, is environmentally friendly, has favorable molecular weight characteristics, and may be shipped economically in high concentration. La présente invention porte sur des copolymères partiellement fluorés et sur leur fabrication. Plus précisément, les copolymères selon l'invention sont de préférence obtenus par un procédé de polymérisation en solution et ont de préférence au moins trois motifs, le premier motif étant choisi entre le 2,3,3,3-tétrafluoropropène et le 1,3,3,3-tétrafluoropropène, le deuxième motif ayant un monomère polymérisé choisi parmi les esters vinyliques et les éthers de vinyle et le troisième motif ayant un monomère polymérisé issu d'un éther de vinyle contenant un groupe hydroxyle. 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subjects	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
title	CURABLE FLUOROCOPOLYMER FORMED FROM TETRAFLUOROPROPENE
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