Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 21, Issue -, Pages 155-157Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2014.04.001
Keywords
Electromagnetic interference shielding effectiveness (EMI-SE); Multi-walled carbon nanotubes (MWCNTs); Thermoplastics; Composites
Funding
- Carbon valley construction program through the Ministry of Trade, Industry Energy (MOTIE)
- Korea Institute for Advancement of Technology (KIAT)
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The effect of multi-walled carbon nanotubes (MWCNTs) (1-18 wt.%) on the electromagnetic interference shielding effectiveness (EMI-SE) of high-density polyethylene (HDPE) composites was investigated. The volume resistivity of the composites was tested using a four-point probe electrical resistivity tester. The EMI-SE of the composites was defined as the attenuation of the propagating electromagnetic waves produced. Our results indicated that the EMI-SE was enhanced with increase in the MWCNT content, which played a key factor in determining the EMI-SE. The highest EMI-SE of the composites was approximately 58 dB for 18 wt.% MWCNT/HDPE at 1.4 GHz. (C) 2014 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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