1,3 Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,4-butanediol and hexanedioic acid 1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, 1,4-butanediol and hexanedioic acid 66027-02-9 Polymer of adipic acid, butanediol, isophthalic acid and terephthalic acid