Author(s): ZHANG Qingsong, DENG Jingjing, HE Xiangwei, WU Zhihua
Pages: 51-54
Year: 2009 Issue:  11
Journal: China Plastics Industry
Keyword:  Poly(lactic acid); Thermoplastic Starch; Plasticizer; Tributyl Citrate; Polyethylene Glycol; Structure; Property;
Abstract: 采用柠檬酸三丁酯(TBC)、聚乙二醇(PEG)增塑聚乳酸(PLA)/热塑性淀粉(TPS)共混体系,调节PLA的流变性能,改善PLA与TPS相容性、熔融共混特性和共混物的微观结构和力学性能.结果表明:TBC的改性效果比PEG更佳;TBC能增加TPS分散均匀性,相分散尺寸明显变小;TBC改性PLA/TPS的拉伸强度和断裂伸长率明显提高.吸水率较小.