Patent ID: 7888405

Claim:
An aliphatic-aromatic copolyester, comprising an acid component, a glycol component, and 0 to about 5.0 mole percent of a polyfunctional branching agent; wherein said acid component comprises: a. about 68.0 to 40.0 mole percent of an aromatic dicarboxylic acid component based on 100 mole percent total acid component; b. about 32.0 to 56.0 mole percent of sebacic acid, based on 100 mole percent total acid component c. no sulfonated component; and wherein said glycol component consists essentially of 1,3-propanediol and optionally b. 0 to 5.0 mole percent of a second glycol component, based on 100 mole percent total glycol component.