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Anisotropically conductive polypropylene/nickel coated glass fiber composite via magnetic field inducement

  • Yadong Xu
  • Yaqi Yang
  • Dingxiang Yan
  • Hongji Duan
  • Chunyu Dong
  • Guizhe Zhao
  • Yaqing Liu
Article

Abstract

In this work, we have reported a facile strategy to prepare an anisotropic conductive polypropylene/nickel coated glass fiber (PP/NCGF) composite with aligned NCGF network, through magnetic-assistant compression molding method. Owing to the high aspect ratio and particular magnetism, the conductive NCGF exhibits significant responsivity to the magnetic field during the molding process and thus aligns automatically in the PP matrix. The resultant PP/NCGF composite shows obvious anisotropy in electrical and electromagnetic interference (EMI) shielding performance. The electrical conductivity parallel to the magnetic field direction (1.46 S/m) is 18 times higher than that of perpendicular direction (8.06 × 10−2 S/m), and the EMI shielding effectiveness shows 8 dB disparity (15 dB in parallel direction and 23 dB in perpendicular direction). The anisotropic PP/NCGF composite would be considered as promising EMI shielding material where discrepant shielding level is required in orthogonal directions.

Keywords

Conductive Filler Conductive Network Magnetic Field Direction Shield Effectiveness Magnetic Field Inducement 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

The authors gratefully acknowledge the financial support of this work by Natural Science Foundation of Shanxi Province (No. 2014021018-5). We also thanks for the support by Science and Technology Innovation Team of New Functional Polymeric Composites of Shanxi Province.

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Copyright information

© Springer Science+Business Media New York 2017

Authors and Affiliations

  1. 1.Key Laboratory of Functional Nanocomposites of Shanxi Province, College of Materials Science and EngineeringNorth University of ChinaTaiyuanPeople’s Republic of China
  2. 2.School of Aeronautics and AstronauticsSichuan UniversityChengduPeople’s Republic of China

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