申请人:TRANSITIONS OPTICAL, INC.
公开号:EP2317349A1
公开(公告)日:2011-05-04
Describes an optical article, e.g., an ophthalmic photochromic article, such as a lens, in which the article includes: (1) a transparent substrate, such as a thermoset or thermoplastic plastic substrate, (2) a multiply laminate adjacent to at least one surface of the substrate, the laminate comprising (i) a transparent, thermoplastic polyurethane film, the thermoplastic, polyurethane film providing a desirable light filtering property, e.g., photochromism, and being juxtaposed to the surface of the substrate, the polyurethane being formed from a material comprising polyether-based polyurethane or polycarbonate-based polyurethane, and (ii) a transparent protective film of polymeric material, e.g., polycarbonate film, adjacent to the thermoplastic polyurethane film. Describes also the aforedescribed optical article having an abrasion-resistant coating affixed to the protective film, e.g., an organo-silane abrasion-resistant coating; and an optical article having an antireflective coating adhered to the abrasion-resistant coating.
描述了一种光学制品,例如眼科光致变色制品,如镜片,其中该制品包括:(1) 透明基底,例如热固性或热塑性塑料基底,(2) 与基底至少一个表面相邻的多层压片,该压片包括 (i) 透明的热塑性聚氨酯薄膜,该热塑性聚氨酯薄膜具有理想的滤光特性,例如光致变色,并与基底表面并置、聚氨酯由聚醚基聚氨酯或聚碳酸酯基聚氨酯组成的材料形成,以及(ii) 与热塑性聚氨酯薄膜相邻的高分子材料透明保护膜,例如聚碳酸酯薄膜。还描述了前述光学制品,该光学制品具有附着在保护膜上的耐磨涂层,例如有机硅耐磨涂层;以及具有附着在耐磨涂层上的抗反射涂层的光学制品。