68092-68-2 Methylenediphenyldiisocyanate, propoxylated ethylene glycol, polypropylene glycol polymer Poly(oxy(methyl-1,2-ethanediyl)), alpha,alpha'-1,2-ethanediylbis(omega-hydroxy-, polymer with alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)) and 1,1'-methylenebis(isocyanatobenzene)