申请人:Mitsubishi Gas Chemical Company, Inc.
公开号:EP2540761A1
公开(公告)日:2013-01-02
The invention relates to a curable composition preferable as a raw material for optical materials such as adhesive agents for optical elements, coating agents for optical elements, resist materials, prisms, optical fibers, information recording substrates, filters and plastic lenses, and more specifically to a curable composition characterized by containing (A) an episulfide compound, and (B) a polymerization catalyst comprising a tetraalkylphosphonium dialkylphosphate represented by the following general formula (1):
wherein R1 to R6 are the same or different, an alkyl group having 1 to 8 carbon atoms or an alkyl group having a hydroxyl group and 1 to 8 carbon atoms, and linear, branched or cycloaliphatic.
本发明涉及一种可固化组合物,最好用作光学材料的原料,如光学元件的粘合剂、光学元件的镀膜剂、抗蚀剂材料、棱镜、光纤、信息记录基板、滤光片和塑料透镜,更具体地说,涉及一种可固化组合物,其特征是含有 (A) 环硫化化合物和 (B) 聚合催化剂,聚合催化剂由以下通式 (1) 所代表的四烷基膦二烷基磷酸酯组成:
其中 R1 至 R6 是相同或不同的、具有 1 至 8 个碳原子的烷基或具有羟基和 1 至 8 个碳原子的烷基,以及直链、支链或环脂族。