| abstract |
To provide a composition capable of improving the heat resistance and light resistance of a cured product without impairing hydrosilylation reactivity. (A) a compound having two or more SiH groups in one molecule; (B) a compound having two or more alkenyl groups in one molecule; (C) 0.005 to 0.4 parts by weight of bis (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate with respect to 100 parts by weight of the total of components (A) and (B) Solving the above problems with a curable composition for optical materials, comprising a specific hindered amine-based antioxidant such as a mixture of methyl 1,2,2,6,6-pentamethyl-4-piperidyl sebacate Can do. [Selection figure] None |