Plasma jet array treatment to improve the hydrophobicity of contaminated HTV silicone rubber

Ruobing ZHANG (张若兵); Qianting HAN (韩倩婷); Yan XIA (夏衍); Shuang LI (李爽)

doi:10.1088/2058-6272/aa7c16

Plasma Science and Technology > 2017 > 19(10): 105505. > DOI: 10.1088/2058-6272/aa7c16

Ruobing ZHANG (张若兵), Qianting HAN (韩倩婷), Yan XIA (夏衍), Shuang LI (李爽). Plasma jet array treatment to improve the hydrophobicity of contaminated HTV silicone rubber[J]. Plasma Science and Technology, 2017, 19(10): 105505. DOI: 10.1088/2058-6272/aa7c16

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Plasma jet array treatment to improve the hydrophobicity of contaminated HTV silicone rubber

Laboratory of Advanced Technology of Electrical Engineering and Energy Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, People’s Republic of China

Funds: This work was supported in part by National Natural Science Foundation of China (Grant No. 51677105) and Key project of Shenzhen Technology Innovation Plan (JSGG20170412151407005).

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Received Date: May 30, 2017

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Abstract

Abstract

An atmospheric-pressure plasma jet array specially designed for HTV silicone rubber treatment is reported in this paper. Stable plasma containing highly energetic active particles was uniformly generated in the plasma jet array. The discharge pattern was affected by the applied voltage. The divergence phenomenon was observed at low gas flow rate and abated when the flow rate increased. Temperature of the plasma plume is close to room temperature which makes it feasible for temperature-sensitive material treatment. Hydrophobicity of contaminated HTV silicone rubber was significantly improved after quick exposure of the plasma jet array, and the effective treatment area reached 120 mm×50 mm (length×width). Reactive particles in the plasma accelerate accumulation of the hydrophobic molecules, namely low molecular weight silicone chains, on the contaminated surface, which result in a hydrophobicity improvement of the HTV silicone rubber.
- atmospheric-pressure plasma jet,
- plasma jet array,
- hydrophobicity,
- HTV silicone rubber

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References (24)

References

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