申请人:——
公开号:US20030136948A1
公开(公告)日:2003-07-24
Described is a polymerizable composition of a photochromic amount of at least one photochromic compound, at least one material having at least one carbonate group and at least one hydroxyl group, and at least one monoisocyanate containing material having at least one unsaturated group. The polymerizable composition optionally contains copolymerizable monomers. Also described are photochromic polymerizates, e.g., photochromic optical elements such as ophthalmic lenses, prepared from the polymerizable composition of the present invention.
所描述的是一种可聚合的光致变色组合物,该组合物包含至少一种光致变色化合物、至少一种具有至少一个碳酸酯基团和至少一个羟基的材料以及至少一种具有至少一个不饱和基团的含单异氰酸酯的材料。可聚合组合物可选择含有可共聚单体。本发明还描述了由本发明可聚合组合物制备的光致变色聚合物,例如光致变色光学元件,如眼科镜片。