114553-47-8 Oxirane, methyl-, polymer with oxirane, ether with 1,2,3-propanetriol (3:1), polymer with 1,3-diisocyanatomethylbenzene, alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)) and alpha,alpha',alpha''-1,2,3-propanetriyltris(omega-hydroxypoly(oxy(methyl-1,2-ethanediyl))), caprolactam-blocked