玻璃钢/复合材料 ›› 2009, Vol. 209 ›› Issue (3): 49-52.

• 材料研究 • 上一篇    下一篇

聚乳酸/淀粉复合发泡材料的研究(Ⅱ):改性淀粉对复合材料相容性、流变性能和发泡性能影响

  

  1. (同济大学材料科学与工程学院纳米与生物高分子研究所,上海200092)
  • 出版日期:2009-05-28 发布日期:2009-03-25
  • 作者简介:袁华(1965-),女,博士,副教授,主要从事高分子材料及复合材料的结构、性能及应用研究。
  • 基金资助:

    世博会科技专项(2004BA908B04)

STUDY ON POLY(LACTIC ACID)/STARCH COMPOSITE FOAMS(Ⅱ): INFLUENCE OF MODIFIED
STARCH ON COMPATIBILITY,RHEOLOGICAL PROPERTY AND FOAM PERFORMANCE

  • Online:2009-05-28 Published:2009-03-25

摘要:

制备了聚乳酸/改性淀粉复合材料及发泡材料,研究了聚乳酸/淀粉复合体系的相容性及流变性能.结果表明,糊化改性淀粉与聚乳酸具有较好的相容性,改性淀粉与聚乳酸复合材料具有较好的熔体粘弹行为,淀粉糊化改性后,复合材料的发泡性能得到优化,吸水性大大降低。

关键词: 聚乳酸, 淀粉, 发泡, 相容性, 流变

Abstract:

PLA/modified starch composites and foams were prepared by extrusion.The compatibility and rheological property of PLA/starch composites were researched.As shown,PLA/gelatinized starch had better compatibility and viscoelasticity.The results of foam performance showed that foam performance tended to be excellent after starch was gelatinized,and water absorption could be decreased remarkably.

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