2-Propenoic acid, 2-methyl-, polymer with 2-(chloromethyl)oxirane, 2,5-furandione, 4,4'-(1-methylethylidene)bis[phenol] and α-(2-oxiranylmethyl)-ω-(2-oxiranylmethoxy)poly[oxy(methyl-1,2-ethanediyl)]