アクリル重合体、硬化性組成物、その硬化物、及びレジスト材料用組成物

摘要

PROBLEM TO BE SOLVED: To provide an acrylic polymer for a resist material having excellent heat resistance.SOLUTION: An acrylic polymer is obtained by radical polymerization of a radical curable compound (A) which has a molecular structure represented by the formula (1) and in which the average number of (meth) acryloyloxy groups per molecule is in the range of 0.5-2.5.