多壁碳纳米管调控聚乳酸-乙醇酸共聚物超细纤维的结构与性能

纺织学报 ›› 2011, Vol. 32 ›› Issue (8): 7-11.

多壁碳纳米管调控聚乳酸-乙醇酸共聚物超细纤维的结构与性能

肖红伟¹,李妮²,谢军军¹,熊杰²

1.
2. 浙江理工大学

收稿日期:2010-08-30 修回日期:2010-11-09 出版日期:2011-08-15 发布日期:2011-08-15
通讯作者: 熊杰 E-mail:jxiong@zstu.edu.cn
基金资助:
国家级;校级

Structure and Properties of Poly(lactide-co-glycolide) Ultrafine Fibers Adjusted and Controlled By Multi-walled Carbon Nanotubes

Received:2010-08-30 Revised:2010-11-09 Online:2011-08-15 Published:2011-08-15

摘要/Abstract

摘要： 本文利用静电纺丝技术制备出多壁碳纳米管/聚乳酸-乙醇酸共聚物超细纤维，用场发射扫描电镜(FE-SEM)、差热分析(DSC)、热重分析(TGA)、多功能拉伸仪和透射电镜(TEM)对超细纤维的表面形貌、热性能、力学性能和多壁碳纳米管的分散及取向进行测试。结果表明：多壁碳纳米管的加入能够使纤维直径降低、热稳定性提高，当多壁碳纳米管含量为0.5%时，其在纤维内部分散、取向及增强效果均达到最佳。

关键词: 多壁碳纳米管, 聚乳酸-乙醇酸共聚物, 静电纺丝, 超细纤维

Abstract: In this study, MWNTs/PLGA ultrafine fibers were prepared by electrospinning. The surface morphology, thermal properties, mechanical properties of the fibers and the dispersion and orientation of MWNTs were examined by field emission scanning electron microscope, Differential Scanning Calorimetry, Thermogravimetry Analyzer, multi-purpose tensile tester and transmission electron microscopy. The results show that the fiber diameter decrease and the thermal stability improve significantly with the addition of MWNTs. When MWNTs content is 0.5%, the dispersion, orientation and reinforced effect of MWNTs in fibers could be optimum.

Key words: MWNTs, PLGA, electrospinning, ultrafine fibers

肖红伟李妮谢军军熊杰. 多壁碳纳米管调控聚乳酸-乙醇酸共聚物超细纤维的结构与性能[J]. 纺织学报, 2011, 32(8): 7-11.

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