FLUORINE-CONTAINING COPOLYMER AND ITS PRODUCTION

• Main Authors: KIMURA ISAO, KODAMA SHUNICHI, KANBA MOTOI, CHIBA KAZUNORI
• Format: Patent
• Language: English
• Published: 21.06.1991
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS THEREFOR; WOODSTAINS

PURPOSE:To obtain the subject copolymer, excellent in surface hardness and gloss and capable of providing films having visibility by polymerizing a fluorine- based monomer mixture in the presence of a polymerization initiator while supplying the aforementioned mixture to a monomer polymerization system with advance of the polymerization. CONSTITUTION:A mixture of (A) a monomer expressed by formula I (X is Cl, F, 1-3C perfluoroalkyl or perfluoroalkoxy) with (B) a monomer expressed by formula II [R is H or methyl; R is 1-12C (fluorine-substituted) alkyl; (l) is 0 or 1] and (C) a monomer expressed by formula III [R is H or methyl; R is (fluorine-substituted) alkyl having OH group] is polymerized in the presence of a polymerization initiator while supplying the monomers to a monomer polymerization system with advance of the polymerization to afford the objective copolymer capable of providing films excellent in solvent, fouling resistance, etc.