Thermal and rheological properties of commercial-grade poly(Lactic Acid)s

摘要

Poly(lactic acid)is the subject of considerable commercial development by a variety of organiza- tions around the words. In this work, the thermal and rheological properties of two commercial- grade poly(lactic acid)s(PLAs)are investigated. A comparison of the commercial samples to a series of well-defined linear and star architecture PLAs provides considerable insight into their flow properties. Such insights are valuable in deciding processing strategies for these newly emerg- ing, commercially significant, biodegradable plastics.