聚乳酸改性研究进展  

Research Progress on Modification of Polylactic Acid

作　　者：葛正浩[1] 乔宇杰 岳奇 Ge Zhenghao;Qiao Yujie;Yue Qi(Shaanxi University of Science and Technology,Xi’an 710021,Chian)

机构地区：[1]陕西科技大学,西安710021

出　　处：《工程塑料应用》2020年第4期144-149,共6页Engineering Plastics Application

基　　金：陕西省重点研发计划项目(2019GY-096)。

摘　　要：对近年来国内外聚乳酸(PLA)改性的研究进展进行综述,并对PLA的物理改性和化学改性进行总结。PLA的主要改性方式分为物理改性和化学改性。物理改性的主要方法为熔融共混改性,其改性方式包含:粉体颗粒改性、弹性胶体改性、植物纤维改性和聚酯改性。化学改性的主要方法为聚合改性,其改性方式包含:共聚改性、扩链改性和接枝交联改性。对PLA未来的应用前景进行了展望。The research progress of polylactic acid(PLA)modification at home and abroad in recent years was reviewed,and the physical and chemical modification of PLA were summarized.The main modification methods of PLA are physical modification and chemical modification.The main methods of physical modification are melt blending modification,which includes powder particle modification,elastic colloid modification,plant fiber modification and polyester modification.The main methods of chemical modification are polymerization modification,which includes copolymerization modification,chain extension modification and graft crosslinking modification.The future application of PLA in the future was prospected.

关 键 词：聚乳酸 物理改性 化学改性 

分 类 号：TQ323.4[化学工程—合成树脂塑料工业]