The poly(glycolic acid) grafted starch copolymer was synthesized by the reaction of glycolide(GE) and starch in dimethyl sulfoxide with triethylamine as catalyst.

• 以乙交酯和淀粉为原料,三乙胺为催化剂,在二甲基亚砜介质中合成了聚羟基乙酸接枝淀粉共聚物。