Polyester blend compositions and biodegradable films produced therefrom

摘要

A polyester blend composition that comprises at least two copolymers selected from certain copolymers, particularly blends of branched and linear biodegradable copolymers. Also provided is a blown film that is produced from the polyester blend composition, and a process for producing the polyester blend composition and the film. The film is biodegradable, transparent, and has excellent mechanical properties.