Electrical and dielectric behaviors of dry-mixed CNT/UHMWPE nanocomposites-Reference-Cited by-同舟云学术

Electrical and dielectric behaviors of dry-mixed CNT/UHMWPE nanocomposites

Published:2013-10-22 Issue:2 Volume:26 Page:205-211
ISSN:0954-0083
Container-title:High Performance Polymers
language:en
Short-container-title:High Performance Polymers

Author:

Al-Saleh Mohammed H.¹,Jawad Saadi Abdul²,El Ghanem Hasan M.³

Affiliation:

1. Department of Chemical Engineering, Jordan University of Science and Technology, Irbid, Jordan

2. Department of Physics, Hashemite University, Zarqa, Jordan

3. Department of Physics, Jordan University of Science and Technology, Irbid, Jordan

Abstract

Carbon nanotube (CNT)/ultrahigh-molecular weight polyethylene (UHMWPE) nanocomposite with an electrical percolation threshold of only 0.1 wt% was prepared by simple dry mixing followed by compression molding. The nanocomposite microstructure, direct current and alternating current (AC) electrical conductivities, conduction mechanisms, and dielectric properties in the 101–105 Hz frequency range have been investigated. Due to the localization of the nanofiller at the surface of UHMWPE powder particles, a segregated microstructure within the polymer matrix was created. Nanocomposites filled with 0.125–0.5 wt% CNT were found to follow the typical universal dynamic response behavior, and the characteristic frequency was found to increase with the increase in CNT concentration. At CNT concentration ≥ 0.5 wt%, the AC conductivity was found to be frequency independent over the entire frequency range studied.

Publisher

SAGE Publications

Subject

Materials Chemistry,Organic Chemistry,Polymers and Plastics

Link

http://journals.sagepub.com/doi/pdf/10.1177/0954008313507590

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