羧基化碳纳米管对T700碳纤维复合材料力学性能的影响

摘要在603环氧树脂中加入0.25%（质量分数，下同）、0.50%和1.00%的羧基化碳纳米管（MWCNTs-COOH），通过热熔法制备T700/603预浸料，并制备单向板。研究表明：随着w（MWCNTs-COOH）的增加，树脂基体表观固化度逐渐下降；当w（MWCNTs-COOH）低于0.50%时，MWCNTs-COOH能有效提高树脂基体及其碳纤维复合材料的力学性能；而w（MWCNTs-COOH）为1.00%时，基体及复合材料的性能出现下降。

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	王杨
	郑国栋
	徐晓明

关键词：多壁碳纳米管表面官能化碳纤维复合材料环氧树脂力学性能

Abstract： Different contents (mass fraction 0.25%, 0.50%, 1.0%) of carboxyl multi-walled carbon nanotubes (MWCNTs-COOH) were dispersed in 603 epoxy resin. T700 carbon fiber prepared containing carbon nanotubes had been successfully produced by hot-melt method and then the laminated composites plates were prepared. The results confirmed that with the increase of MWCNTs-COOH content, the cured degree of matrix is gradually decreased. When the MWCNTs-COOH content is less than 0.5%, MWCNTs-COOH can improve the mechanical properties of the resin matrix and carbon fiber composite material; and when MWCNTs-COOH content increased to 1.0%, the properties of the matrix and the composite material are degraded.

Keywords： multi-walled carbon nanotubes(MWCNTs)； surface functionalization； carbon fiber composites； epoxy resin； mechanical properties

Received 2018-09-21;

Corresponding Authors: 郑国栋,E-mail:zhengguodong1987@163.com。 Email: zhengguodong1987@163.com

About author: 王杨(1989-),女,硕士研究生,现从事复合材料成型和绝热材料研究。

引用本文:

王杨, 郑国栋, 徐晓明.羧基化碳纳米管对T700碳纤维复合材料力学性能的影响[J]. 化学工业与工程, 2019,36(5): 64-69

Wang Yang, Zheng Guodong, Xu Xiaoming.Effect of Carboxyl Carbon Nanotubes on the Mechanical Properties of T700 Carbon Fiber Composites[J]. Chemcial Industry and Engineering, 2019,36(5): 64-69

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