植物纤维增强聚乳酸发泡材料的研究进展  

Recent Progresses on Plant Fiber Reinforced Polylactic Acid Foaming Materials

作　　者：安洁洁 黄崇杏[1,2] 刘杨 梁东武[1,2] 段青山 AN Jie-jie;HUANG Chong-xing;LIU Yang;LIANG Dong-wu;DUAN Qing-shan(School of Light Industry and Food Engineering,Guangxi University,Nanning 530004,China;Guangxi Key Laboratory of Clean Pulp&Papermaking and Pollution Control,Nanning 530004,China)

机构地区：[1]广西大学轻工与食品工程学院,南宁530004 [2]广西清洁化制浆造纸与污染控制重点实验室,南宁530004

出　　处：《包装工程》2020年第21期69-76,共8页Packaging Engineering

基　　金：广西重点研发计划(桂科AB18221126);广西清洁化制浆造纸与污染控制重点实验室开放基金(2019ZR02);南宁市科学研究与技术开发计划(20181079)。

摘　　要：目的总结近年来有关植物纤维增强聚乳酸发泡材料研究的相关文献,为聚乳酸发泡材料的制备及性能研究提供参考。方法按照发泡方法进行分类,介绍采用不同发泡方法制备植物纤维/聚乳酸复合发泡材料的性能,重点综述采用超临界CO2发泡法时,添加植物纤维对发泡材料性能的影响。结果植物纤维增强聚乳酸发泡材料的研究处于实验室研究阶段;添加植物纤维的聚乳酸发泡材料的泡孔尺寸更均匀、更小,泡孔密度增大,力学性能也有所提高。结论添加植物纤维可以增强聚乳酸发泡材料的力学等性能;植物纤维和聚乳酸复合发泡材料的相关研究对聚乳酸发泡材料的大规模生产具有重要指导意义。The work aims to summarize the recent progresses on plant fiber reinforced polylactic acid foaming materials so as to provide a reference for the preparation and performance research of polylactic acid foaming materials.The classification was carried out according to the foaming method and the properties of plant fiber/PLA composite foam materials prepared by different foaming methods were introduced.The effects of plant fiber added to supercritical CO2 foaming method on the properties of foaming materials were mainly reviewed.The research of PLA foaming material reinforced by plant fiber was in the stage of laboratory research.The cell size of PLA foaming material added with plant fiber was more uniform and smaller,and the density increased.The mechanical properties were also improved.The mechanical and other properties of PLA foaming materials can be enhanced by adding plant fiber.The research on plant fiber and PLA composite foaming materials is of great significance for large-scale production of PLA foaming materials.

关 键 词：聚乳酸 纤维 发泡 超临界CO2 

分 类 号：TB484.9[一般工业技术—包装工程] TB332