期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 91, 期 -, 页码 77-84出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2016.09.022
关键词
Carbon nanotubes; Nanocomposites; Electrical properties; Thermal properties
资金
- Fundamental R&D Program for Technology of the Graduate Student Education Program for Research of Hybrid and Super Fiber Materials through the Ministry of Trade, Industry Energy (MOTIE)
- Korea Institute for Advancement of Technology (KIAT) [N0000993]
- Korea Evaluation Institute of Industrial Technology (KEIT) [N0000993] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Structurally segregated poly(phenylene sulfide) (PPS)-based nanocomposite films containing multi walled carbon nanotube (MWCNT) of 0.5-10.0 wt% were manufactured by solid-mixing and following melt-compression. The cross-sectional optical and electron microscopic images of the nanocomposite films revealed that MWCNTs form a segregated and percolated conductive network structure in the PPS matrix. DSC and TGA data demonstrated that melt-crystallization temperatures and thermal degradation temperatures of the nanocomposite films are slightly increased with the MWCNT content, which are owing to the nucleating agent and thermal protection effects of MWCNTs, respectively. The electrical conductivity of the nanocomposite films increased significantly from similar to 10(-10) to similar to 0.11 S/cm with the increment of the MWCNT content from 0.0 to 10.0 wt%, especially at a low percolation threshold of similar to 0.33 wt% MWCNT. Accordingly, PPS-based nanocomposite films with 1.0-10.0 wt% MWCNT exhibited high performance in electrical resistive heating behavior under applied voltages of 5-100 V by achieving steady-state maximum temperatures of 30-190 degrees C within a relatively short period of time of similar to 10 s. (C) 2016 Elsevier Ltd. All rights reserved.
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