Fluororesin powder coating composition and article having coating film

• Main Authors: YAMAGUCHI MASARU, MASUDA SHO, UNOKI MASAO
• Format: Patent
• Language: English
• Published: 19.08.2008
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF MATERIALS THEREFOR; WOODSTAINS

A composition which can improve impact resistance of a coating film while maintaining superior weather resistance and gloss of the coating film of a fluororesin powder coating material is provided. A fluororesin powder coating composition containing the following particles (C) in an amount of from 0.1 to 10 parts by mass per 100 parts by mass of a fluororesin. The particles (C) are particles having a core/shell structure and having an average particle size of from 0.01 to 2.5 mum, wherein the core and/or at least one shell comprises a fluorinated polymer.