聚乳酸β晶型的研究进展  

Research advances in Polylactide β-form

作　　者：郝妮媛[1] 刘阳[1] 邹俊[1] 

机构地区：[1]江苏科技大学材料科学与工程学院,江苏镇江212003

出　　处：《江苏科技大学学报（自然科学版）》2015年第1期38-45,共8页Journal of Jiangsu University of Science and Technology:Natural Science Edition

基　　金：江苏省产学研前瞻性研究项目(BY2012177);江苏高校产业化推进工程项目(JHB2012-41);江苏科技大学博士基金资助项目(35061106)

摘　　要：β晶型聚乳酸(β-PLA)由于其优异的耐热性和抗冲击性等性能已成为聚乳酸改性研究的热点.文中综述了近年来β晶型聚乳酸的研究发展状况,介绍了左旋聚乳酸(PLLA)和立构复合聚乳酸(SC-PLA)的β晶型的结构及其表征技术,并阐述了不同工艺条件、退火及成核剂对生成β-PLLA的影响.此外,还重点介绍了PLLA和右旋聚乳酸(PDLA)立构复合形成β晶,并对未来的研究发展趋势做了展望.β-form polylactide （13-PLA） has been a hot topic in modification - PLA because of its excellent im- pact, heat resistance and other special properties. This paper reviewed the developments in β - PLA in recent years. It simply described the structure and some characterization techniques of β-form of PLLA and SC-PLA, and summarized the influence of processing conditions, annealing and nucleating agents on the β-PLLA. Further- more, the formation of β-form of PLLA/PDLA stereocomplex was discussed. Trends in research of the β-form of PLA were also presented.

关 键 词：聚乳酸 Β晶型 立构复合 

分 类 号：TQ323.4[化学工程—合成树脂塑料工业]