| abstract |
The present invention provides a resin composition that gives a cured product having a high refractive index and excellent releasability, mold reproducibility, adhesion, and light resistance, and a cured product thereof. A polyester diriol (a) comprising 2-butyl-2-ethyl-1,3-propanediol, an organic polyisocyanate (b) containing no aromatic ring in the molecule, and a (meth) acrylate having a hydroxyl group ( c) and urethane (meth) acrylate (A) which is a reaction product of diol (a-1) other than component (a) as an optional component, (meth) acrylate compound (B) other than component (A), and photopolymerization A resin composition comprising an initiator (C). |