| 摘要 |
PROBLEM TO BE SOLVED: To provide an active energy ray-polymerizable resin composition for casting, excellent in mold releasability and having high stability as a solution.SOLUTION: An active energy ray-polymerizable resin composition for casting contains the following components (A), (B) and (C). A key sheet or a plunger that laminates a cured product of the active energy ray-polymerizable resin composition for casting on a base material is provided. (A) urethane (meth)acrylate synthesized from polyisocyanate, polyol and hydroxyalkyl(meth)acrylate, (B) a (meth)acrylate monomer, and (C) an aliphatic carboxylic acid having an unsaturated bond. |
