A coating composition excellent in storage stability, excellent in coating appearance, adhesion and weather resistance, high in hardness, having ultraviolet absorbing ability, and capable of preventing deterioration of a ground or a substrate, which comprises (A) a polymer containing (a1) a silyl group having a silicon atom bound to a hydrolytic group and/or a hydroxyl group, (a2) a group having ultraviolet absorbing ability and (a3) a group having ultraviolet stability in the same polymer chain, and further optionally comprises (B) at least one component selected from the group consisting of an organosilane represented by (R1)nSi (OR2)4-n, a hydrolyzate of the organosilane and a condensate of the organosilane; and a cured product thereof.
一种贮存稳定性优异、涂层外观、附着力和耐候性优异、硬度高、具有紫外线吸收能力并能防止地面或基材老化的涂料组合物,它包括(A)聚合物,该聚合物含有(a1)
硅烷基,该
硅烷基具有与
水解基团和/或羟基结合的
硅原子、(a2) 在同一聚合物链中具有紫外线吸收能力的基团和 (a3) 具有紫外线稳定性的基团,还可选择包括 (B) 至少一种选自 (R1)nSi (OR2)4-n 所代表的有机
硅烷、有机
硅烷的
水解物和有机
硅烷的缩合物的组的组分;及其固化产物。