Disclosed is a polymerizable composition for an optical material containing polyisocyanate (a) including aliphatic polyisocyanate (a1) and a modified aliphatic polyisocyanate (a2); and polythiol (b) having a di- or higher functional thiol group, in which the modified aliphatic polyisocyanate (a2) is contained in the polyisocyanate (a) in the amount of less than or equal to 60 weight %.
公开了一种用于光学材料的可聚合组合物,该组合物含有多
异氰酸酯 (a),包括脂肪族多
异氰酸酯 (a1) 和改性脂肪族多
异氰酸酯 (a2);以及具有二官能团或更高官能团
硫醇的聚
硫醇 (b),其中改性脂肪族多
异氰酸酯 (a2) 在多
异氰酸酯 (a) 中的含量小于或等于 60 重量%。