분말 코팅 조성물

• Main Authors: FUKUYAMA TAKEHIRO, MEHEUST HELENE
• Format: Patent
• Language: Korean
• Published: 20.03.2024
• 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; 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

본 발명은 적어도 하나의 플루오로중합체 수지, 적어도 하나의 폴리에스테르 수지, 및 이소시아네이트 가교결합제를 포함하는 분말 코팅 조성물에 관한 것이고; 상기 조성물 중 폴리에스테르 수지의 히드록실기에 대한 이소시아네이트 가교결합제의 이소시아네이트기의 몰비는 2.5 내지 5이다. 본 발명은 또한 상기 분말 코팅 조성물의 제조 방법, 건축용 분말 코팅을 위한 상기 분말 코팅 조성물의 용도, 및 상기 분말 코팅 조성물을 도포하고 경화시켜 수득된 분말 코팅에 관한 것이다. The present invention relates to a powder coating composition comprising at least one fluoropolymer resin, at least one polyester resin, and an isocyanate crosslinking agent; wherein the molar ratio of isocyanate groups of the isocyanate crosslinking agent to hydroxyl groups of the polyester resin in the composition is from 2.5 to 5.The present invention further relates to a method for producing said powder coating composition, to the use of said powder coating composition for architectural powder coating, and to a powder coating obtained by applying and curing said powder coating composition.