摘要
<正>聚乳酸(PLA)是一种绿色环保高分子材料,经熔融纺丝得到的PLA纤维是一种可完全生物降解的合成纤维。然而,PLA韧性差、结晶速率慢等缺点限制了其应用范围。右旋聚乳酸-聚乙二醇-右旋聚乳酸(PDLA-PEG-PDLA)三嵌段共聚物是一种有效的PLLA改性剂,能够改善PLA的结晶性能和韧性~([1-3])。本文以PDLA-PEG-PDLA作为改性剂,通过熔融共混法以及熔融纺丝-后牵伸两步法分别制备了PLLA/PDLA-PEG-PDLA共混物及其共混纤维。结果
引文
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