| abstract |
(57) [Summary] [Problem] To provide a transparent molded article which is excellent in transparency and hardly causes yellowing due to heat or ultraviolet rays and is suitable for optical use. A molded article comprising a polymer of the following components (A) and (B), wherein the polymer further contains the following component (C). Component (A): Isocyanate-terminated prepolymer component (B) which is a reaction product of an aliphatic diisocyanate having a cyclic structure in the molecule and a diol having an average molecular weight of 300 to 2500: Table represented by the following general formula (I) One or two Kinds of aromatic diamines (In the general formula (I), R 1 , R 2 and R 3 are each independently any one of a methyl group, an ethyl group and a thiomethyl group) Component (C): One or more phosphorus-based compounds Peroxide decomposer |