Patent ID: 7786210

Claim:
A composition comprising or produced from poly(hydroxyalkanoic acid) (PHA), a nucleator, an ethylene copolymer, and optionally a plasticizer wherein the plasticizer includes phthalate, trimellitate, adipate, sebacate, maleate, epoxidized fatty acid, sulfonamide, organophosphate, polyether, organic compound having more than two methylene linkage acid radicals, amide or oligomers of the PHA, alkanediol, alkanediol derivative, alkanetriol, alkanetriol derivative, polyoxyalkylene diol, or combinations of two or more thereof; the ethylene copolymer comprises repeat units derived from ethylene, a glycidyl-containing olefin, and a butyl acrylate or carbon monoxide; and the nucleator includes one or more carboxylic acids or, if the composition comprises the ethylene copolymer, an alkyl ester of the carboxylic acid, alkyl amide of the carboxylic acid, or combinations thereof; and the carboxylic acid includes aromatic carboxylic acid, aliphatic carboxylic acid, polycarboxylic acid, aliphatic hydroxycarboxylic acid, or combinations of two or more thereof.