LIQUID FLUOROPOLYMER COATING COMPOSITION, FLUOROPOLYMER COATED FILM, AND PROCESS FOR FORMING THE SAME

• Main Author: MAY, DONALD, DOUGLAS
• Format: Patent
• Language: English; French
• Published: 05.02.2015
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; CORRECTING FLUIDS; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; FILLING PASTES; INKS; 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; SEMICONDUCTOR DEVICES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; USE OF MATERIALS THEREFOR; WOODSTAINS

In a first aspect, a liquid fluoropolymer coating composition includes a fluoropolymer selected from homopolymers and copolymers of vinyl fluoride and homopolymers and copolymers of vinylidene fluoride, a mixed catalyst, solvent, a compatible cross-linkable adhesive polymer and a cross-linking agent. The mixed catalyst includes a main catalyst and a co-catalyst. The main catalyst includes an organotin compound. In a second aspect, a fluoropolymer coated film includes a polymeric substrate film and a fluoropolymer coating on the polymeric substrate film. The fluoropolymer coating includes a fluoropolymer selected from homopolymers and copolymers of vinyl fluoride and homopolymers and copolymers of vinylidene fluoride, a compatible cross-linked adhesive polymer, and a mixed catalyst. The mixed catalyst includes a main catalyst and a co-catalyst. The main catalyst includes an organotin compound. In a third aspect, a process for forming a fluoropolymer coated film includes coating a polymeric substrate film with a liquid fluoropolymer coating. Dans un premier aspect, l'invention concerne une composition de revêtement de fluoropolymère liquide comprenant un fluoropolymère choisi parmi les homopolymères et les copolymères de fluorure de vinyle et les homopolymères et copolymères de fluorure de vinylidène, un catalyseur mixte, un solvant, un polymère adhésif réticulable compatible et un agent de réticulation. Le catalyseur mixte comprend un catalyseur principal et un cocatalyseur. Le catalyseur principal comprend un composé organostannique. Dans un deuxième aspect, l'invention concerne un film revêtu de fluoropolymère comprenant un film de substrat polymère et un revêtement de fluoropolymère sur le film de substrat polymère. Le revêtement de fluoropolymère comprend un fluoropolymère choisi parmi les homopolymères et copolymères de fluorure de vinyle et les homopolymères et copolymères de fluorure de vinylène, un polymère adhésif réticulé compatible et un catalyseur mixte. Le catalyseur mixte comprend un catalyseur principal et un cocatalyseur. Le catalyseur principal comprend un composé organostannique. Dans un troisième aspect, l'invention concerne un procédé pour former un film revêtu de fluoropolymère comprenant le revêtement d'un film de substrat polymère par un revêtement de fluoropolymère liquide.