1,4-Benzenedicarboxylic acid, polymer with 1,2-ethanediol, 2,5-furandione, 1,3-isobenzofurandione, 2,2'-oxybis(ethanol) and 1,2-propanediol 57863-48-6 Propylene glycol, diethylene glycol, ethylene glycol, maleic anhydride, phthalic anhydride, terephthalic acid polymer