Synonyms: 1,3-Butanediol, polymer with 1,3-diisocyanatomethylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and .alpha.-hydro-.omega.-hydroxypolyoxy(methyl-1,2-ethanediyl);1,3-BUTANEDIOL-TOLUENE DIISOCYANATE-TRIMETHYLOLPROPANE- POLYPROPYLENE GLYCOL POLYMER;1,3-Butanediol, polymer with 1,3-diisocyanatomethylbenzene, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 伪-hydro-蠅-hydroxypoly[ oxy(methyl-1,2-ethanediyl)];TDI/polypropylene glycol/trimethylolpropane/1,3-butanediol