A hydrophilic film forming composition includes (A) a hydrophilic polymer having a silane coupling group at the terminal thereof; (B) an alkoxide compound of an element selected from Si, Ti, Zr and Al; and (C) a compound selected from a compound (C-1) and a compound (C-2), wherein the compound (C-1) has at least one silane coupling group and at least one acidic group or its salt in the molecule thereof, and the compound (C-2) has at least one functional group that reacts with a hydrolysate of a silane coupling group or with a hydrolytic condensate of a metal alkoxide and at least one acidic group or its salt in the molecule thereof.
一种亲
水性成膜组合物包括:(A)亲
水性聚合物,其末端具有
硅烷偶联基团;(B)选自 Si、Ti、Zr 和 Al 元素的烷氧基化合物;以及(C)选自化合物(C-1)和化合物(C-2)的化合物; (C) 选自化合物(C-1)和化合物(C-2)的化合物,其中化合物(C-1)的分子中至少有一个
硅烷偶联基团和至少一个酸性基团或其盐,化合物(C-2)的分子中至少有一个官能团能与
硅烷偶联基团的
水解产物或
金属氧化烷的
水解缩合物和至少一个酸性基团或其盐反应。