Synonyms: Propanol, oxybis-, polymer with 1,3-diisocyanatomethylbenzene and .alpha.-hydro-.omega.-hydroxypoly[oxy(methyl-1,2-ethanediyl)];Toluene diisocyanate, polypropylene glycol, dipropylene glycol polymer;Tolyene diisocyanate, polypropylene glycol, dipropylene glycol polymer