Journal of Industrial and Engineering Chemistry

The Korean Society of Industrial and Engineering Chemistry (한국공업화학회)
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Electrical properties and morphology of highly conductive composites based on polypropylene and hybrid fillers

  • Zheming, Gu (Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology) ;
  • Chunzhong, Li (Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology) ;
  • Gengchao, Wang (Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology) ;
  • Ling, Zhang (Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology) ;
  • Qilin, Cheng (Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology) ;
  • Xiaohui, Li (Engineering Plastics Department, Shanghai Research Institute of Materials) ;
  • Wendong, Wang (Engineering Plastics Department, Shanghai Research Institute of Materials) ;
  • Shilei, Jin (Engineering Plastics Department, Shanghai Research Institute of Materials)
  • Received : 2009.02.03
  • Accepted : 2009.08.17
  • Published : 2010.01.25
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Abstract

Electrically conductive polypropylene/hybrid filler (PP/GO.MWNTs) and PP/MWNTs composite have been prepared via melt blending PP with the hybrid filler (multiwalled carbon nanotubes (MWNTs) and graphite oxide (GO)) and the single filler (MWNTs), respectively. Scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were used to research the interior morphology of the GO. MWNTs hybrid filler, and the dispersion of the hybrid filler in the PP matrix is also observed by SEM. The results show that a clear reduction in electrical resistivity and percolation threshold of PP/GO.MWNTs composite can be ascribed to the corporation of GO. The electrical properties of PP composites were improved owing to the effective conductive networks formed by hybrid filler.

Keywords

Acknowledgement

Grant : Shanghai Rising-Star Program, Major Basic Research Project of Shanghai, Ph.D. Programs Foundation of Ministry of Education of China, Special Projects for Key Laboratories in Shanghai, Special Projects for Nanotechnology of Shanghai, Program of Shanghai Subject Chief Scientist, Shanghai Leading Academic Discipline Project

Supported by : National Natural Science Foundation of China,

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