1,3-Benzenedicarboxylic acid, polymer with 2,3-dibromo-2-butene-1,4-diol, 1,6-hexanediamine, 1,6-hexanediol, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and nonanedioic acid 81791-12-0