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Preparation and characteristics of PP/CF/MWCNT nanocomposites  

Kim, Seung-Beom (Dept. of Applied Chemical Engineering, Korea University of Technology and Education)
Nam, Byeong-Uk (Dept. of Applied Chemical Engineering, Korea University of Technology and Education)
Lee, Kyu-Mann (Dept. of Materials Engineering, Korea University of Technology and Education)
Publication Information
Journal of the Semiconductor & Display Technology / v.10, no.1, 2011 , pp. 107-111 More about this Journal
Abstract
Polypropylene(PP)/carbon fiber(CF)/multi-walled carbon nanotube(MWCNT) nanocomposites along with various CF and MWCNT contents were prepared in a Twin screw extruder. Electrical, mechanical property and morphology were investigated with a variation of CF and MWCNT contents. From the surface resistance of PP/CF/MWCNT composites, MWCNT can increase the conductivity of composites compared with PP/CF composites without MWCNT. It is suggested that MWCNT and CF can make the conductive network in the polymer matrix. Flexural modulus and Izod impact strength of the PP/CF/MWCNT composites were improved with the increase of CF contents. Morphology showed that length of CF in polymer matrix was shortened by torque during melt mixing with MWCNT. As a result of this phenomenon, the impact strength of composites was somewhat decreased.
Keywords
Polypropylene; Carbon fiber; Multi-walled carbon nanotube; nanocomposite;
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Times Cited By KSCI : 4  (Citation Analysis)
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