| 摘要 |
A coating composition comprising (A) a UV-absorbing functionality-bearing alkoxysilane, (B) colloidal silica, (C) a multifunctional alkoxysilane and/or a partial hydrolytic condensate thereof, and (D) phosphoric acid is applicable and curable to resin substrates, typically polycarbonate substrates without a need for primer, heat or UV. On curing, it forms a film having transparency, mar resistance, and UV screening properties. |
