HYDROPHILIC COATING COMPOSITION

• Main Authors: INOUE, SUSUMU, YASUHARA, KIYOTADA, KOJIMA, MASAHIRO, MIKAMI, FUJIO
• Format: Patent
• Language: English; Korean
• Published: 15.06.1999
• Edition: 6
• 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; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; 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; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF MATERIALS THEREFOR; WOODSTAINS

고형분을 기준으로 하여, (a) 10~1000의 중합도를 갖는 0.3~6 중량부의 폴리비닐 피롤리돈; 및 (b) 80% 이상의 비누화도 및 100~1000의 중합도를 갖는 1~10 중량부의 폴리비닐 알콜을 포함하며, 상기 성분 (b)에 대한 상기 성분 (a)의 중량비, (a)/[(a)+(b)]가 0.1~0.9인 친수성 코팅 조성물. Hydrophilic coating compositions including, on a solid basis, (a) 0.3-6 percent by weight of polyvinyl pyrrolidone having a polymerization degree of 10-1000; and (b) 1-10 percent by weight of polyvinyl alcohol having a saponification degree of 80% or more and a polymerization degree of 100-1000, the weight ratio of the component (a) to the components (a) and (b), (a)/[(a)+(b)], being in the range of 0.1-0.9, are useful (a)/[(a)+(b)], being in the range of 0.1-0.9, are useful for imparting corrosion resistance and hydrophilic nature to aluminum articles such as heat exchanger fins.