Oxirane, methyl-, polymer with oxirane, ether with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1), polymer with 1,3-diisocyanatomethylbenzene, alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)) and 1,1-methylenebis(4-isocyanatobenzene)