聚乳酸生物质成核剂研究进展  

Research of Biomass Nucleating Agents for Polylactic Acid

作　　者：曹齐茗 孟鑫[1,2] 公维光 李晨洋 姚中阳 CAO Qiming;MENG Xin;GONG Weiguang;LI Chenyang;YAO Zhongyang(Shanghai Key Laboratory of Multiphase Measurement,School of Chemical Engineering,East China University of Science and Technology,Shanghai 200237,China;Department of Product Engineering,School of Chemical Engineering,East China University of Science and Technology,Shanghai 200237,China)

机构地区：[1]华东理工大学化工学院,上海市多相尺度重点实验室,上海200237 [2]华东理工大学化工学院产品工程系,上海200237

出　　处：《中国塑料》2020年第6期110-117,共8页China Plastics

摘　　要：成核剂在改善聚乳酸(PLA)结晶性能中具有重要作用,本文介绍了PLA的结晶行为,综述了PLA用生物质成核剂的国内外研究进展,包括多糖类成核剂淀粉、纤维素、甲壳素、壳聚糖和环糊精,酚类成核剂木质素,醇类成核剂肌醇,蛋白质类成核剂氨基酸以及羧酸类成核剂乳清酸;其次,提出了目前生物质成核剂应用中存在的问题与改性方法;最后,展望了PLA生物质成核剂未来发展前景。Nucleating agents play a very important role in the crystallization of polylactic acid(PLA).This paper introduced the crystallization mechanisms of PLA and the development status of biomass nucleating agents for PLA in China and overseas.These biomass nucleating agents included polysaccharide(starch,cellulose,chitin,chitosan and cyclodextrin),phenol(lignin),alcohol(inositol),protein(amino acid)and carboxylic acid(orotic acid).Furthermore,the problems in the applications of biomass nucleating agents for PLA were analyzed,and their development in the future was prospected.

关 键 词：聚乳酸 生物质 成核剂 

分 类 号：TQ321[化学工程—合成树脂塑料工业]