To provide a hydrophilic coating composition excellent in hydrophilicity, wear resistance, transparency, storage stability, antifogging properties, antifouling properties, visible light transmittivity, adhesion properties, chemical resistance, weather resistance, and water resistance and a hydrophilic member using the composition. The hydrophilic coating composition has (A) a ternary copolymer having a1) a repeating unit having a hydrophilic group, a2) a repeating unit having a hydroxyl group, an epoxy group, an isocyanato group, a blocked isocyanato group, a carboxylic acid anhydride group, or an amino group, and a3) a repeating unit having a hydrolyzable silyl group; and (B) a metal complex catalyst, wherein a content of the repeating unit a1) having a hydrophilic group is 50 mol% or greater.
提供一种在亲
水性、耐磨性、透明度、储存稳定性、防雾性、防污性、可见光透射率、粘附性、耐
化学性、耐候性和耐
水性方面性能优异的亲
水涂层组合物,以及使用该组合物的亲
水部件。亲
水涂层组合物具有 (A) 三元共聚物,该三元共聚物具有 a1) 具有亲
水基团的重复单元,a2) 具有羟基、环氧基、
异氰酸酯基、嵌段
异氰酸酯基、
羧酸酐基或
氨基的重复单元,以及 a3) 具有可
水解
硅基的重复单元;和 (B)
金属络合催化剂,其中具有亲
水基团的重复单元 a1) 的含量为 50 摩尔%或以上。