1,3-Butanediol, polymer with 1,3-diisocyanato-2-methylbenzene, 2,4-diisocyanato-1-methylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)) 68259-30-3 Trimethylolpropane, 1,3-butanediol, polypropyleneglycol, 2,4-toluene diisocyanate, 2,6-tolylene diisocyanate polymer