Plasma dielectric barrier discharge fluorination modified epoxy resin and its ageing behavior

Kang Yuchan; Yan Jiyuan; Peng Chengkai; Song Yanze; Ma Guoshuang; Zhang Yahui; Lü Tianshu; Xie Qing

doi:10.11884/HPLPB202133.210102

Volume 33 Issue 6

Jun. 2021

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Kang Yuchan, Yan Jiyuan, Peng Chengkai, et al. Plasma dielectric barrier discharge fluorination modified epoxy resin and its ageing behavior[J]. High Power Laser and Particle Beams, 2021, 33: 065019. doi: 10.11884/HPLPB202133.210102

Citation:

Kang Yuchan, Yan Jiyuan, Peng Chengkai, et al. Plasma dielectric barrier discharge fluorination modified epoxy resin and its ageing behavior[J]. High Power Laser and Particle Beams, 2021, 33: 065019. doi: 10.11884/HPLPB202133.210102

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Plasma dielectric barrier discharge fluorination modified epoxy resin and its ageing behavior

doi: 10.11884/HPLPB202133.210102

1.
Department of Electrical Engineering, North China Electric Power University, Baoding 071000, China
2.
State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China

Received Date: 2021-03-22
Rev Recd Date: 2021-05-01

Available Online: 2021-05-28

Publish Date: 2021-06-15

Abstract

Abstract

The modification effect of plasma on the material will be weakened with the storage time, that is, it shows a certain timeliness, which limits further development of plasma modification technology. To explore ageing behavior of plasma dielectric barrier discharge (DBD) fluorinated epoxy resin, the surface fluorination of epoxy resin was realized by plasma dielectric barrier discharge. Scanning electron microscopy (SEM), surface profilometer, X-ray photoelectron spectroscopy (XPS), contact angle tester, high resistance meter, flashover voltage and surface potential testing system were used to characterize the physical morphology, chemical composition and electrical properties of epoxy resin surface before modification as well as being placed in 25 ℃ aging box for 0−30 d after modification. The experimental results show that fluoride grafting on the surface of epoxy resin is realized by DBD fluorination modification, which reduces the surface energy, surface resistivity and trap level of epoxy resin, thus speeds up the surface potential decay rate and increases the flashover voltage along the surface. After storage of 30 d, the fluorine content decreased, the surface energy increased, the attenuation rate of surface potential slowed down slightly, and the flashover voltage also decreased, but it is still higher than that of the untreated sample.
- plasma,
- fluorination modification,
- epoxy resin,
- timeliness,
- surface flashover,
- surface charge

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References(37)

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