英文名称:2-Propenoic acid, 2-methyl-, polymer with .alpha.-methyl-.omega.-hydroxypoly(oxy-1,2-ethanediyl) and methyl 2-methyl-2-propenoate, graft; 2-Propenoic acid, 2-methyl-, polymer with alpha-methyl-omega-hydroxypoly(oxy-1,2-ethanediyl) and methyl 2-methyl-2-propenoate, graft