| abstract |
An urethane (meth) acrylate having an excellent elastic modulus when cured, a composition thereof, and a cured product. SOLUTION: A urethane (meth) acrylate consisting of polycarbonate polyol, spiro glycol, polyisocyanate, hydroxyl group or (meth) acrylate containing hydroxyl group, wherein the polycarbonate polyol is (1A) and / or (1B), polyol, polyisocyanate Urethane (meth) acrylate which is represented by (2). 【Selection chart】 None |