期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 121, 期 1, 页码 226-233出版社
WILEY
DOI: 10.1002/app.33524
关键词
nanocomposites; thermal analysis; electron microscopy; electrical properties
资金
- I-Cube Centre
- Gyeongsang National University
- Kumoh National Institute of Technology in South Korea
- Korea Evaluation Institute of Industrial Technology (KEIT) [10037326] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Polyvinylidene fluoride (PVDF)/multiwalled carbon nanotube (MWCNT) composites were prepared by using twin screw extruder at various (0-5 wt %) MWCNT loadings. Field Emission Scanning Electron Microscope (FESEM) micrographs showed a relatively good dispersion and random distribution of MWCNT in PVDF matrix. The physical and dielectric properties increased gradually with the increase in MWCNT content but the thermal stability decreased. The DSC result revealed the increase in crystallinity of the PVDF matrix. Wide angle X-Ray diffraction (WAXD) result showed a large shoulder at 2 theta of 20.78 degrees with increasing in MWCNT content. The experimental percolation threshold for the surface resistance of PVDF/MWCNT composites were estimated and clearly observed at 4 wt % of MWCNT loading. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 121: 226-233, 2011
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