68092-56-8 Propanol, ((1-methyl-1,2-ethanediyl)bis(oxy))bis-, polymer with alpha,alpha'-1,2-ethanediylbis(omega-hydroxypoly(oxy(methyl-1,2-ethanediyl))), alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)), 1,1'-methylenebis(isocyanatobenzene) and oxybis(propanol)