67905-77-5 Diethylene glycol, adipic acid, 4,4'-methylenebis(cyclohexyl isoyanate) copolymer Diethylene glycol, adipic acid, 4,4'-methylenebis(cyclohexylisocyanate)polymer Hexanedioic acid, polymer with 1,1'-methylenebis(4-isocyanatocyclohexane) and 2,2'-oxybis(ethanol)