1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-, polymer with alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl) and 1,1'-methylenebis(4-isocyanatobenzene), isocyanate-terminated 68610-33-3 Poly(oxytetramethylene)glycol, trimethylolpropane, methylenebis(4-phenylisocyanate) polymer, isocyanate terminated