Asymmetric Ni/PVC Films for High-performance Electromagnetic Interference Shielding

Yang Zhang; Xiao-xia Fang; Bian-ying Wen

doi:10.1007/s10118-015-1641-z

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Asymmetric Ni/PVC Films for High-performance Electromagnetic Interference Shielding

PAPER | Updated：2021-06-21

- Asymmetric Ni/PVC Films for High-performance Electromagnetic Interference Shielding
- Chinese Journal of Polymer Science Vol. 33, Issue 6, Pages: 899-907(2015)
- Affiliations：
  
  Department of Material Science and Engineering, Beijing Technology and Business University, Beijing 100048, China
- Author bio：
  
  **Yang Zhang (张扬), E-mail: zhyang@iccas.ac.cn
  Bian-ying Wen (温变英), E-mail: wenbianying@tsinghua.org.cn
- Funds：
- DOI：10.1007/s10118-015-1641-z
  CLC：
- Received：21 October 2014，
  
  Revised：2014-12-10，
  
  Accepted：10 December 2014，
  
  Published：2015-06
- Accepted：
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Yang Zhang, Xiao-xia Fang, Bian-ying Wen. Asymmetric Ni/PVC Films for High-performance Electromagnetic Interference Shielding[J]. Chinese Journal of Polymer Science, 2015, 33(6): 899-907.
DOI：

Yang Zhang, Xiao-xia Fang, Bian-ying Wen. Asymmetric Ni/PVC Films for High-performance Electromagnetic Interference Shielding[J]. Chinese Journal of Polymer Science, 2015, 33(6): 899-907. DOI： 10.1007/s10118-015-1641-z.

摘要

Abstract

A novel asymmetric Ni/PVC film has been developed by solution casting method. The structure

electrical conductivity

electromagnetic interference (EMI) shielding

and impact resistance were investigated. The results showed that the Ni particles were asymmetrically distributed along the thickness direction in the film. The top surface resistivity increased with film thickness

while the bottom surface exhibited the different trend. EMI shielding effectiveness (SE) depended on formation of closed packed conductive Ni network

which was influenced by both Ni content and film thickness. A linear relationship was observed between EMI SE and film thickness. The films with lower Ni content showed the faster increasing rate of EMI SE with film thickness. Some of the films show appreciably high EMI SE (> 40 dB)

indicating the promising application in EMI shielding field. Moreover

the films exhibit different impact performance under different impacting directions. All the experimental facts demonstrate that the asymmetric structure endows the film achieving high-performance EMI shielding function.

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