中文摘要：

将生物可降解聚乳酸（PLA）与超支化聚酰胺酯（HBP）通过熔融共混制备成复合材料,考察了HBP的含量对复合材料的冲击性能、热稳定性和流变性能的影响.研究发现：HBP的质量分数不超过10%时,添加HBP可以有效提高PLA的韧性,且对基体PLA的热稳定性影响不大;HBP的加入极大地影响了材料的加工性能,即使添加少量的HBP也会使共混体系的熔体黏度产生极大的下降.

英文摘要：

The composite material was prepared by melt blending with biodegradable PLA and HBP. The composite material was tested with impact performance. The results indicate when the HBP contents are less than 10%, the PLA′s impact strength can be improved. The PLA′s thermal degradation doesn′t decrease with the addition of HBP.When the HBP contents are less than 10%. The rheology data show that even a little HBP can make the melt viscosity decrease radically.