Synonyms: 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)] Trimethylolpropane, 1,3-butanediol, polypropyleneglycol, 2,4-toluene diisocyanate, 2,6-tolylene diisocyanate polymer;1,3-Butanediol, polymer with 1,3-diisocyanato-2-methylbenzene, 2,4-diisocyanato-1-methylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and α-hydro-ω-hydroxypoly[ oxy(methyl-1,2-ethanediyl)];TDI/ polypropylene-butylene glycol/ trimethylolpropane