The influence of surface modification of Multi-walled carbon nanotubes on the electrical property of its polyethylene composites

Na Xie*, Qingjie Jiao, Chongguang Zang

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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Abstract

A good method for dispersing Multi-walled carbon nanotubes (MWNTs) in LDPE matrix by melt processing technique had been developed. The surface of MWNTs was modified by HNO3, then, treated with γ-aminopropyltriethoxy Silane. The surface-modified MWNTs homogeneous LDPE composites with 0-0.35 mass fraction MWNTs loading had been evaluated for electrical conductivity. The composites' electrical conductivity (σDC) was improved for the good dispersion of MWNTs in LDPE matrix. The values of aoc obeyed a percolation power law with MWNTs concentration threshold 0.10 mass fraction. 10-2 s/cm conductivity for 0.15 mass fraction MWNTs loading indicated that the composites could be used as lightweight electrostatic shielding materials.

Original languageEnglish
Title of host publicationMulti-functional Materials and Structures - International Conference on Multifunctional Materials and Structures
PublisherTrans Tech Publications Ltd.
Pages1145-1148
Number of pages4
ISBN (Print)0878493786, 9780878493784
DOIs
Publication statusPublished - 2008
EventMulti-functional Materials and Structures - International Conference on Multifunctional Materials and Structures - Hong Kong, P.R., China
Duration: 28 Jul 2008 → 31 Jul 2008

Publication series

NameAdvanced Materials Research
Volume47-50 PART 2
ISSN (Print)1022-6680

Conference

ConferenceMulti-functional Materials and Structures - International Conference on Multifunctional Materials and Structures
Country/TerritoryChina
CityHong Kong, P.R.
Period28/07/08 → 31/07/08

Keywords

  • Electrical conductivity
  • LDPE
  • Multi-walled carbon nanotubes
  • Surface treatment

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Xie, N., Jiao, Q., & Zang, C. (2008). The influence of surface modification of Multi-walled carbon nanotubes on the electrical property of its polyethylene composites. In Multi-functional Materials and Structures - International Conference on Multifunctional Materials and Structures (pp. 1145-1148). (Advanced Materials Research; Vol. 47-50 PART 2). Trans Tech Publications Ltd.. https://doi.org/10.4028/www.scientific.net/amr.47-50.1145