A plastic substrate having deposited on at least one surface thereof a photocured acrylic coating comprised of the photoreaction products of:
(i) at least one photocurable polyfunctional acrylate monomer;
(ii) at least one acetophenone photoinitiator; and
(iii) at least one active ultraviolet radiation absorber selected from benzotriazoles, cyanoacrylate, and hydroxybenzophenones. The coating is substantially or completely cured and provides improved protection to the substrate against ultraviolet radiation.
一种塑料基材,在其至少一个表面上沉积有光固化
丙烯酸涂层,该涂层由以下物质的光反应产物组成:
(i) 至少一种光固化多官能
丙烯酸酯单体;
(ii) 至少一种
苯乙酮光
引发剂;和
(iii) 至少一种活性紫外线辐射吸收剂,选自苯并三唑、
氰基丙烯酸酯和羟基
二苯甲酮。涂层基本固化或完全固化,为基底提供更好的紫外线辐射防护。