| abstract |
Provided is a method for producing a photochromic cured body, said method being characterized by the curing of a photochromic composition that contains: (A) a polyiso(thio)cyanate compound having two or more isocyanate groups and/or isothiocyanate groups in each molecule; a poly(thi)ol compound having two or more hydroxyl groups and/or thiol groups in each molecule; (C) a mono(thi)ol compound having one hydroxyl group or thiol group in each molecule; and a photochromic compound. |