1,4-Butanediol, polymer with 1,3-diisocyanatomethylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and alpha-hydro-omega-hydroxypoly(oxo(methyl-1,2-ethanediyl)) 1,4-Butanediol, polymer with 1,3-diisocyanatomethylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)) 55973-62-1 9036-64-0 Polypropylene glycol, 1,4-butanediol, trimethylolpropane, toluene diisocyanate polymer Polypropylene glycol, trimethylolpropane, toluene diisocyanate, 1,4-butanediol polymer