The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.

• 这些结果表明在含羟基化合物的丙交酯/醇铁聚合体系中,羟基化合物作为共引发剂参与了丙交酯的开环聚合。