Effects of functionaliztation MWCNTs on the mechanical and electrical properties of nylon-6 composites

Xiangdong Zhu, Qingjie Jiao, Chongguang Zang, Xianpeng Cao

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Citations (Scopus)

Abstract

Chemically coupling functionalization multi-walled carbon nanotube (MWCNTs)/nylon-6 (PA6) composites were prepared. The nanotubes were first treated by a volume ratio of 3:1 mixture of concentrated H2SO4/HNO3, and then the γ-aminopropyl-triethoxysilane (KH-550) was carried onto the surface of MWCNTs. Effect of MWCNTs coupling treatment on the mechanical and electrical properties of the MWCNTs/PA6 composites were investigated. The impact strength, tensile strength and modulus of p-MWCNTs (coupling process)/PA6 composites increase by 115.9%, 27.2% and 167.7%, respectively, compared with those of the pure nylon-6 resin. A significant increase of the electrical conductivity of the p-MWCNTs/PA6 composites with respect to the original-MWCNTs and a-MWCNTs/PA6 composites due to the increased compatibility with the matrix due to the formation of an inter face with stronger interconnections.

Original languageEnglish
Title of host publicationAdvanced Engineering Materials III
Pages127-131
Number of pages5
DOIs
Publication statusPublished - 2013
Event3rd International Conference on Advanced Engineering Materials and Technology, AEMT 2013 - Zhangjiajie, China
Duration: 11 May 201312 May 2013

Publication series

NameAdvanced Materials Research
Volume750-752
ISSN (Print)1022-6680

Conference

Conference3rd International Conference on Advanced Engineering Materials and Technology, AEMT 2013
Country/TerritoryChina
CityZhangjiajie
Period11/05/1312/05/13

Keywords

  • Composites
  • Electrical
  • MWCNTs
  • Mechanical

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