POLYMERIZABLE COMPOSITION FOR POLYTHIOURETHANE OPTICAL MATERIAL, POLYTHIOURETHANE OPTICAL MATERIAL OBTAINED FROM THE POLYMERIZABLE COMPOSITION, AND POLYMERIZATION CATALYST FOR POLYTHIOURETHANE OPTICAL MATERIAL

摘要

The polymerizable composition for a polythiourethane optical material of the present invention includes (A) a polymerization catalyst for a polythiourethane optical material, (B) at least one compound selected from an isocyanate compound and an isothiocyanate compound, and (C) a compound containing one or more mercapto groups, wherein said polymerization catalyst for a polythiourethane optical material (A) includes (a1) a zinc compound, (a2) a compound represented by the following general formula (1), and (a3) a sulfonic acid represented by the following general formula (2):;