PROCESS FOR PREPARING OPTICAL ARTICLES

摘要

A process for preparing an optical article which process includes: a) providing i) a cross-linkable polymeric casting composition including an acrylate or methacrylate monomer; and optionally an ultra-violet (UV) absorber; ii) a cure modifier; and iii) a UV photoinitiator; b) mixing the casting composition, cure modifier and photoinitiator; and c) exposing the mixture to a source of ultraviolet (UV) radiation for a time sufficient to produce an optical article.