1,4-Butanediol, polymer with 1,3-diisocyanatomethylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and methyloxirane, caprolactam-blocked 70892-27-2 Trimethylolpropane, 1,4-butanediol, propylene oxide, toluene diisocyanate, epsilon-caprolactam blocked polymer