URETHANE (METH)ACRYLATE, AND ACTIVE ENERGY RAY-CURABLE URETHANE (METH)ACRYLATE COMPOSITION AND CURED PRODUCT THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a material capable of forming a coating film (cured coating film) having both performance of high surface hardness (such as abrasion resistance and scratch resistance) and curling resistance in a good balance.SOLUTION: There is provided an urethane (meth)acrylate which is obtained by reacting a lactone-modified hydroxyl group-containing poly(meth)acrylate (A) in which 1 to 6-fold moles of lactone is added to one mole of hydroxyalkyl poly(meth)acrylate and an isocyanate compound (B) having one or more isocyanate groups per molecule.SELECTED DRAWING: None