Surface Modification of Poly (tetrafluoroethylene) Film Using Dielectric Barrier Discharge of Intermittent Pulse Voltage
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概要
- 論文の詳細を見る
The surface of a poly (tetrafluoroethylene) film was modified by using dielectric barrier (filament) discharge in air atmospheric pressure. The discharge was produced by an intermittent one-cycle sinusoidal voltage with a duration of 10μs and a voltage peak of 8 to 13kV. The repetition rate was 5 to 100kHz. The intermittent discharge at a duty cycle of 20% required a process time of 20s for the entire surface to experience the discharge. The minimum contact angle of a water drop on the modified surface was about 70°. The quiet time of 40-90μs was ncessary to minimize the contact angle, and consequently, the stationary waveform was inappropriate for the modification. The immersion of the film in H_2O and aqueous solutions of H_3BO_3 and H_2O_2 after plasma treatment in air drastically decreased the contact angle. However, the surface modification by the immersion was temporary, and the contact angle asymptotically approached that of the plasma-treated film.
- 社団法人応用物理学会の論文
- 2000-09-15
著者
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ISHIKAWA Shinya
Department of Second Surgery, Faculty of Medicine, Kagawa University
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YUKIMURA Ken
Department of Electrical Engineering, Faculty of Engineering, Doshisha University
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Yukimura Ken
Department Of Electrical Engineering Doshisha University
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Yukimura Ken
Department Of Electrical Engineering Faculty Of Engineering Doshisha University
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Maruyama Toshiro
Department Of Chemical Engineering Faculty Of Engineering Kyoto University
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MATSUNAGA Koichi
Haiden Laboratory Inc.
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Ishikawa Shinya
Department Of Electrical Engineering Faculty Of Engineering Doshisha University
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