SOUND ABSORPTION BEHAVIOR OF ELECTROSPUN POLYACRYLONITRILE NANOFIBROUS MEMBRANES

Hai-fan Xiang; Shuai-xia Tan; Xiao-lan Yu; Yu-hua Long; Xiao-li Zhang; Ning Zhao; Jian Xu

doi:10.1007/s10118-011-1079-x

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SOUND ABSORPTION BEHAVIOR OF ELECTROSPUN POLYACRYLONITRILE NANOFIBROUS MEMBRANES

Updated：2021-06-21

- SOUND ABSORPTION BEHAVIOR OF ELECTROSPUN POLYACRYLONITRILE NANOFIBROUS MEMBRANES
- Chinese Journal of Polymer Science Vol. 29, Issue 6, Pages: 650-657(2011)
- Affiliations：
  
  a.Beijing National Laboratory for Molecular Sciences, Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
  b.Graduate University of the Chinese Academy of Sciences, Beijing 100049, China
- Author bio：
  
  **Jian Xu (徐坚), E-mail: jxu@iccas.ac.cn
- Funds：
- DOI：10.1007/s10118-011-1079-x
  CLC：
- Received：02 November 2010，
  
  Revised：2011-01-26，
  
  Accepted：28 January 2011，
  
  Published：2011
- Accepted：
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Hai-fan Xiang, Shuai-xia Tan, Xiao-lan Yu, et al. SOUND ABSORPTION BEHAVIOR OF ELECTROSPUN POLYACRYLONITRILE NANOFIBROUS MEMBRANES[J]. Chinese Journal of Polymer Science, 2011, 29(6): 650-657.
DOI：

Hai-fan Xiang, Shuai-xia Tan, Xiao-lan Yu, et al. SOUND ABSORPTION BEHAVIOR OF ELECTROSPUN POLYACRYLONITRILE NANOFIBROUS MEMBRANES[J]. Chinese Journal of Polymer Science, 2011, 29(6): 650-657. DOI： 10.1007/s10118-011-1079-x.

摘要

Abstract

The acoustical damping property of electrospun polyacrylonitrile (PAN) nanofibrous membranes with different thicknesses and porosities was investigated. The sound absorption coefficients were measured using the impedance tube instrument based on ISO10534-2:1998(E). Results indicate that the first resonance absorption frequency of nanofibrous membranes shifts to the lower frequency with the increase of the back cavity or the thickness of membranes. Moreover

the sound absorption performance of the perforated panel can be greatly improved by combination with a thin layer of PAN nanofibrous membrane. Traditional acoustical damping materials (foam

fiber) coated with nanofibrous membranes have better acoustical performance in the low and medium frequency range than that of acoustical materials alone. All of the results demonstrate the PAN nanofibrous membrane is a suitable candidate for noise reduction.

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