1,3-Benzenedicarboxylic acid, polymer with 1,3-diisocyanatomethylbenzene, hexanedioic acid, 1,6-hexanediol and 1,1'-methylenebis(isocyanatobenzene) 154336-16-0 Isophthalic acid, adipic acid, 1,6-hexanediol, toluene diisocyanate, methylenebis(phenylisocyanate) polymer