This paper reports the generation of cold plasma jet working under atmospheric pressure condition, for surface treatment of polymeric films. The discharge has been characterized by electrical and optical methods. The electrical property of the discharge has been studied by taking current-voltage wave forms using voltage and current probes. The production of argon plasma jet is done in atmospheric conditions which are relatively much cheaper, convenient, and safer to use. The atmospheric pressure plasma jet sustained in pure argon has been used to improve wettability of polypropylene (PP). Cold atmospheric pressure plasma jet (CAPPJ) has been generated by a high-voltage power supply (5.5 kV, 0-20 kV) at an operating frequency of 20 kHz. The surface properties of the controls and plasma-treated PP samples were characterized by contact angle measurement, surface free energy measurement, scanning electron microscopy, and the Fourier transform-infrared spectroscopy analysis.

中文翻译：

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冷常压等离子射流提高聚丙烯的润湿性

本文报道了在大气压条件下进行冷等离子射流的过程，用于聚合物膜的表面处理。放电的特征在于电学和光学方法。已经通过使用电压和电流探头获取电流-电压波形来研究放电的电特性。氩等离子体射流的生产在相对便宜，方便且使用更安全的大气条件下进行。在纯氩气中维持的大气压等离子体射流已用于改善聚丙烯（PP）的润湿性。高压电源（5.5 kV，0-20 kV）已以20 kHz的工作频率产生了大气压冷等离子体射流（CAPPJ）。