Experimental Study on Plasma Surface Treatment of Capacitors Film

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  • Ling Dai
    College of Electrical and Electronic Engineering, Huazhong University of Science and Technology
  • Ting Yin
    College of Electrical and Electronic Engineering, Huazhong University of Science and Technology
  • Fuchang Lin
    College of Electrical and Electronic Engineering, Huazhong University of Science and Technology
  • Fei Yan
    College of Electrical and Electronic Engineering, Huazhong University of Science and Technology

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Abstract

Plasma surface treatment is an optional way to change the electrical performance of the film capacitors used widely in pulse power application. This paper presents the experimental study of glow discharge plasma treatment to polyphenylene sulfide (PPS) film. By using infrared spectra and scanning electron microscope (SEM), the chemical component and microstructure of material surface has detected to be changed with different treatment strength and various discharge gas. After treatment, the film surface tends to be rougher and some sorts of polar radicals or groups found to be introduced. But there is no obvious change of the electrical strength of the film. At last, theoretical analysis has been carried out with polypropylene film experimental treatment results in author's former work.

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