| 摘要 |
PURPOSE:To obtain a lens with superior wear resistance, hot water resistance, dyeability and chemical resistance by coating the surfaces of a plastic lens with films consisting of an organosilicon compound, colloidal silica, a multifunctional epoxy compound and magnesium perchlorate. CONSTITUTION:The surfaces of a plastic lens are coated with hard coat films consisting essentially of an organosilicon compound (A) represented by the formula (where R<1> is a 1-6C hydrocarbon group or an org. group having vinyl, methacryloxy or epoxy; R<2> is a 1-5C hydrocarbon group; R<3> is 1-5C hydrocarbon group, alkoxyalkyl or H; and l is 0 or 1), colloidal silica (B) of 1-100mmu particle size, a multifunctional epoxy compound (C) and magnesium perchlorate (D). Methyltrimethoxysilane, phenylmethyldimethoxysilane, vinyltriacetoxysilane or the like is used as the compound (A). |
