2-Propanol, 1,1',1''-nitrilotris-, polymer with alpha-hydro-omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)) and 1,1'-methylenebis(4-isocyanatobenzene) 4,4'-Diphenylmethene diisocyanate, polypropylene glycol, triisopropanolamine polymer 68928-89-2