1,3-Benzenedicarboxylic acid, polymer with hexanedioic acid, 1,6-hexanediol and 1,1'-methylenebis(4-isocyanatocyclohexane) 68201-90-1 Poly(1,6-hexanediol adipate isophthalate), 4,4'-methylenebis(cyclohexylisocyanate) polymer