A direct copolymerisation process was used to prepare lactic acid and glycolic acid copolymer (PLGA).Rheological behavior of PLGA melt was tested using cone-and-plate.

• 摘要采用直接法熔融缩聚制备了L-乳酸和乙醇酸共聚物PLGA，并用锥板流变仪对PLGA的流变性能进行测试。