Synonyms: Poly(oxy-1,4-butanediyl), .alpha.-hydro-.omega.-hydroxy-, polymer with 1,3-diisocyanatomethylbenzene and .alpha.-hydro-.omega.-hydroxypolyoxy(methyl-1,2-ethanediyl);POLYETHER POLYOL POLYMER WITH TOLUENE DIISOCYANATE);Poly(oxy-1,4-butanediyl), α-hydro-ω-hydroxy-, polymer with 1,3-diisocyanatomethylbenzene and α-hydro-ω-hydroxypoly[ oxy(methyl-1,2-ethanediyl)];TDI/ propylene-tetramethylene glycol copolymer