68259-26-7 Bisphenol A, diglycidylether toluenediisocyanate, poly(tetramethylene ether) glycol polymer Oxirane, 2,2'-((1-methylethylidene)bis(4,1-phenyleneoxymethylene))bis-, polymer with 1,3-diisocyanatomethylbenzene and alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl)