1,3-Butanediol, polymer with 1,3-diisocyanatomethylbenzene and 2-ethyl-2-(hydroxymethyl)-1,3-propanediol 1,3-Butanediol, toluene diisocyanate, trimethylolpropane polymer 1,3-Butylene glycol, toluene diisocyanate, trimethylolpropane polymer 1,3-Butyleneglycol, trimethylolpropane toluenediisocyanate polyurethane prepolymer 9046-75-7 Toluene diisocyanate, trimethylolpropane, 1,3-butylene glycol polymer