27234-35-1 62066-23-3 Diethylene glycol, adipic acid, 1,1'-methylenebis(4-isocyanato benzene) copolymer Hexanedioic acid, polymer with 1,1'-methylenebis(4-isocyanatobenzene) and 2,2'-oxybis(ethanol) Methylene diphenyl diisocyanate, diethylene glycol, adipic acid polymer