A process for producing an optical material of the present invention includes a step of mixing di- or higher-functional thiol compounds (A) having one or more sulfide bonds and/or one or more ester bonds with an imidazole-based curing catalyst (B) to prepare a mixed solution; a step of mixing the mixed solution with an isocyanate compound (C) including at least one kind of a di- or higher-functional alicyclic isocyanate compound (c1) and/or a di- or higher-functional aliphatic isocyanate compound (c2) to prepare a polymerizable composition for optical materials; a step of injecting the polymerizable composition for optical materials into a mold; and a step of polymerization-curing the polymerizable composition for optical materials in the mold.
一种生产本发明光学材料的工艺包括以下步骤:将具有一个或多个
硫化键和/或一个或多个酯键的二官能团或高官能团
硫醇化合物(A)与
咪唑类固化催化剂(B)混合,制备混合溶液;将混合溶液与
异氰酸酯化合物(C)混合以制备光学材料用可聚合组合物的步骤,
异氰酸酯化合物(C)包括至少一种二官能度或更高官能度的脂环族
异氰酸酯化合物(c1)和/或二官能度或更高官能度的脂肪族
异氰酸酯化合物(c2);将光学材料用可聚合组合物注入模具的步骤;以及在模具中聚合固化光学材料用可聚合组合物的步骤。