Coating film protective coating material and coating composition

• Main Authors: IMOTO EIICHI, IGARASHI TAKESHI, HASHIMOTO YASUKI, YOSHIDA TOMOHIRO
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2023
• Subjects: ADHESIVES; 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; POLISHES; USE OF MATERIALS THEREFOR; WOODSTAINS

Provided is a coating film protective coating material formed from a liquid coating composition. The coating composition contains a polymer (A) as a base polymer, the polymer (A) being a polymer containing a monomer component of an acrylic monomer. The SP value of the polymer (A) is 9.8 (cal/cm3) 1/2 or more, and the glass transition temperature calculated on the basis of the composition of the monomer components constituting the polymer (A) is 0 DEG C or less. 提供由液态的涂布组合物形成的涂膜保护涂层材料。上述涂布组合物包含聚合物(A)作为基础聚合物，所述聚合物(A)为包含丙烯酸系单体的单体成分的聚合物。上述聚合物(A)的SP值为9.8(cal/cm3)1/2以上，且基于构成该聚合物(A)的单体成分的组成计算的玻璃化转变温度为0℃以下。