A plastic lens having excellent weather resistance, formed by polymerization of a composition containing a polyisocyanate compound having an aromatic ring and a polythiol compound is provided. The plastic lens is formed by polymerization of a composition that contains 100 parts by mass in total of (A) a polyisocyanate compound containing a polyisocyanate compound having an aromatic ring and (B) a polythiol compound, from 0.5 to 5.0 parts by mass of (C) a benzophenone compound having a hydroxyl group on at least the ortho position, and from 0.5 to 5.0 parts by mass of (D) a phenol compound.
本发明提供了一种具有优异耐候性的塑料镜片,由含有芳香环的多
异氰酸酯化合物和聚
硫醇化合物的组合物聚合而成。该塑料镜片是由以下成分聚合而成:(A) 含有芳香环的多
异氰酸酯化合物和(B) 聚
硫醇化合物的组合物,以质量份数计,共占 100 份;(C) 至少在正位上有羟基的
二苯甲酮化合物,以质量份数计,占 0.5 至 5.0 份;(D)
苯酚化合物,以质量份数计,占 0.5 至 5.0 份。