申请人:Mitsui Chemicals, Inc.
公开号:EP3168247A1
公开(公告)日:2017-05-17
Provided is a polymerizable composition for an optical material including (A) a bifunctional amine having two secondary amino groups, (B) a bifunctional thiol having two mercapto groups, and (C) a bifunctional isocyanate having two isocyanato groups, in which the ratio ((a+b)/c) of the total molar number (a+b) of the molar number a of amino groups in the amine (A) and the molar number b of mercapto groups in the thiol (B) with respect to the molar number c of isocyanato groups in the isocyanate (C) is in the range of 0.85 to 1.15, and the ratio (a/c) of the molar number a of amino groups in the amine (A) with respect to the molar number c of isocyanato groups in the isocyanate (C) is in the range of 0.10 to 0.60.
本发明提供了一种用于光学材料的可聚合组合物,该组合物包括 (A) 具有两个仲氨基的双官能团胺,(B) 具有两个巯基的双官能团硫醇,以及 (C) 具有两个异氰酸酯基团的双官能团异氰酸酯、其中胺(A)中氨基的摩尔数 a 和硫醇(B)中巯基的摩尔数 b 与异氰酸酯(C)中异氰酸基的摩尔数 c 的总摩尔数 (a+b)/c) 之比((a+b))在 0.胺(A)中氨基的摩尔数 a 与异氰酸酯(C)中异氰酸基的摩尔数 c 之比(a/c)的范围为 0.10 至 0.60。