도장 금속판 및 도장 금속판의 제조 방법

• Main Authors: SHIBAO FUMIO, TOSHIN KUNIHIKO, ISHIZUKA KIYOKAZU, OKADA KATSUMI, FUTABA TAKASHI, KOBAYASHI AKINOBU
• Format: Patent
• Language: Korean
• Published: 16.06.2020
• Subjects: ADHESIVES; APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PERFORMING OPERATIONS; POLISHES; PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL; SPRAYING OR ATOMISING IN GENERAL; TRANSPORTING; USE OF MATERIALS THEREFOR; WOODSTAINS

본 발명의 도장 금속판은, 금속판과, 상기 금속판의 적어도 편면 상에 위치하고, 지를 함유하는 제1 도막을 구비하고, 상기 제1 도막은, 우레탄 결합 골격을 갖는 제1 부위와, 트리아진환 골격을 갖는 제2 부위를 갖고, 상기 제1 도막의 유리 전이 온도는, 85℃ 이상 170℃ 이하이고, 상기 제2 부위를 산화오스뮴으로 염색하고, 투과형 전자 현미경을 사용해서 10만배의 배율로 관찰하면, 개수 평균 입경 5nm 이상의 입자가 분산되어 있는 분산형 제2 부위와, 상기 개수 평균 입경 5nm 이상의 상기 입자가 관찰되지 않는 농화형 제2 부위가 관찰된다. The coated metallic sheet according to the present invention has a metallic sheet and a fat-containing first coating film which is disposed at least on one surface of the metallic sheet, wherein: the first coating film has a first region having a urethane linkage backbone and a second region having a triazine ring backbone; the first coating film has a glass transition temperature of 85-170°C; and when the second region is stained with osmium oxide and observed with a transmission-type electron microscope in a magnification ratio of 100,000, a dispersive second region in which particles having a number average particle diameter not less than 5 nm are dispersed and a concentrated second region in which such particles having a number average particle diameter not less than 5 nm are not found, are observed.