Influence of Pulse Rising Time on Plasma Irradiation Effect

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概要

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• Plasma irradiation experiments were performed under atmospheric pressure in N2 using two pulse power supplies with different pulse rising times, and the irradiation effect on a polycarbonate surface was examined. When investigating the effect of the pulse rising time on the contact angle, it was found that a short irradiation time of 5 s had a significant influence on the contact angle and that a larger decrease in the contact angle was observed with a fast-rising pulse. On the Basis of optical emission spectrometry of the plasma and a surface free energy analysis, the decrease in the contact angle was considered to be the result of the introduction of a large amount of hydrophilic groups on the surface. On the other hand, the effect of the plasma irradiation on the contact angle was not very different with a longer irradiation time of 5 min.

• 2012-01-25

著者

• Yasui Shinji

  Department of Computer Science and Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan

• Yabuuchi Takahiro

  Department of Computer Science and Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan

関連論文

• Deposition of SiO2 Thin Films on Polycarbonate by Atmospheric-Pressure Plasma
• Influence of Pulse Rising Time on Plasma Irradiation Effect

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