对新型的两亲性生物降解接枝共聚物羟丙基纤维素接枝聚己内酯(HPC-g-PCL)的综合性能进行了测试.X射线衍射结果表明,接枝共聚有效地降低了PCL的结晶度,且随着PCL链段含量的降低,接枝共聚物的结晶度相应下降.DSC结果表明,与PCL均聚物相比,所得接枝共聚物的Tm、Tc和Xc均明显降低,且随着PCL链段含量的降低而不断下降;同时,与先熔融后冷却相比,室温下的共聚物溶液浇注膜,其结晶程度更完善.水解降解实验结合GPC曲线和SEM照片结果表明,与均聚物PCL相比,接枝共聚物更易发生降解.
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