1,3-Benzenedicarboxylic acid, polymer with 1,6-hexanediol, 1,1'-methylenebis(4-isocyanatocyclohexane) and 2-oxepanone 67599-34-2 Methylenedi-4,1-cyclohexyleneisocyanate, 2-oxepanone, 1,6-hexanediol, 1,3-benzenedicarboxylic acid polymer