Journal of Hebei University(Natural Science Edition) >

2025 , Vol. 45 >Issue 1: 43 - 49

DOI: https://doi.org/10.3969/j.issn.1000-1565.2025.01.005

Surface modification of polypropylene and polyester by a coaxial perforated inner electrode dielectric barrier discharge

  • WANG Yun ,
  • WANG Weiwei ,
  • FAN Zhihui ,
  • LIU Feng ,
  • SHI Guihu ,
  • WANG Jingquan
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  • Hebei Computational Optical Imaging and Photoelectric Detection Technology Innovation Center, Hebei International Joint Research Center for Computational Optical Imaging and Intelligent Sensing, School of Mathematics and Physics, Hebei University of Engineering, Handan 056038, China

Received date: 2024-01-03

  Online published: 2025-02-25

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Abstract

In order to improve the application effect of plasma on the surface treatment of polymer materials, a coaxial perforated inner electrode dielectric barrier discharge reactor is proposed in this paper, and the experimental results show that the structure of the perforated inner electrode has higher discharge power, which can make the contact angle drop lower in a shorter period of time. The reactor generates plasma for surface modification of polypropylene and polyester, and the surface contact angle is reduced from 90° to 40° and from 88° to 30°, respectively. The effectiveness of the plasma treatment is increased by employing three working gases: helium, argon and air. This study has practical value in industrial applications and provides a reference for improving the surface hydrophilicity of polymer materials.

Key words： dielectric barrier discharge; perforated inner electrode; surface modification; hydrophilicity

Cite this article

WANG Yun , WANG Weiwei , FAN Zhihui , LIU Feng , SHI Guihu , WANG Jingquan . Surface modification of polypropylene and polyester by a coaxial perforated inner electrode dielectric barrier discharge[J]. Journal of Hebei University(Natural Science Edition), 2025 , 45(1) : 43 -49 . DOI: 10.3969/j.issn.1000-1565.2025.01.005

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