The influence of grafting reaction time and molecular weight of PCL on graft ratio was studied,and the thermal properties of graft copolymer were also investigated by differential thermal calorimetry(DSC).

• 同时，考察了接枝反应时间和PCL的分子量对接枝率的影响。 并以示差扫描量热法（DSC）对其热性能进行了分析。