几种增塑剂增塑聚乳酸的性能研究Study on Properties of Poly Lactic Acid Plasticized by Plasticizers
张永伟,郭少华,吴智华
摘要(Abstract):
用聚乙二醇(PEG)、邻苯二甲酸二辛酯(DOP)、柠檬酸三丁酯(TBC)、亚磷酸三苯酯(TPPi)、癸二酸二丁酯(DBS)分别与聚乳酸(PLA)熔融共混,通过试样拉伸性能测试和DSC分析,研究这几种增塑剂对PLA拉伸性能和热性能的作用。结果表明,在这几种增塑剂中,TPPi和DBS增塑效果最好,能显著降低PLA玻璃化转变温度和熔融温度,提高PLA断裂伸长率和结晶度。
关键词(KeyWords): 聚乳酸;增塑剂;力学性能;热性能
基金项目(Foundation):
作者(Author): 张永伟,郭少华,吴智华
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