75880-28-3 Propanol, ((1-methyl-1,2-ethanediyl)bis(oxy))bis-, polymer with 1-isocyanato-2-((4-isocyanatophenyl)methyl)benzene and 1,1'-methylenebis(4-isocyanatobenzene) Tripropyleneglycol, 4,4'-diphenylmethane diisocyanate, 2,4'-diphenylmethane diisocyanate polymer