Adipic acid-1,4-butanediol-diethyleneglycol-ethyleneglycol tetrapolymer

Diethylene glycol, ethylene glycol, 1,4-butanediol, adipic acid tetrapolymer

butane-1,4-diol: ethane-1,2-diol: hexanedioic acid: 2-(2-hydroxyethoxy )ethanol

Hexanedioic acid, polymer with 1,4-butanediol, 1,2-ethanediol and 2,2-oxybisethanol