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Surface Treatment of Polyethylene Terephthalate Film Using Atmospheric Pressure Glow Discharge in Air

机译:大气中辉光放电对聚对苯二甲酸乙二酯薄膜的表面处理

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摘要

Non-thermal plasmas under atmospheric pressure are of great interest in polymer surface processing because of their convenience, effectiveness and low cost. In this paper, the treatment of Polyethylene terephthalate (PET) film surface for improving hydrophilicity using the non-thermal plasma generated by atmospheric pressure glow discharge (APGD) in air is conducted.The discharge characteristics of APGD are shown by measurement of their electrical discharge parameters and observation of light-emission phenomena, and the surface properties of PET before and after the APGD treatment are studied using contact angle measurement, x-ray photoelectron spectroscopy (XPS) and scanning electron microscopy (SEM). It is found that the APGD is homogeneous and stable in the whole gas gap, which differs from the commonly filamentary dielectric barrier discharge (DBD). A short time (several seconds) APGD treatment can modify the surface characteristics of PET film markedly and uniformly. After 10 s APGD treatment, the surface oxygen content of PET surface increases to 39%, and the water contact angle decreases to 19°, respectively.
机译:大气压下的非热等离子体由于其便利性,有效性和低成本而在聚合物表面处理中备受关注。本文利用空气中大气压辉光放电(APGD)产生的非热等离子体对聚对苯二甲酸乙二醇酯(PET)薄膜表面进行处理,以提高亲水性。通过测量其放电来显示APGD的放电特性使用接触角测量,X射线光电子能谱(XPS)和扫描电子显微镜(SEM)研究APGD处理前后的参数和发光现象以及PET的表面性能。发现APGD在整个气隙中是均匀且稳定的,这不同于通常的丝状介电势垒放电(DBD)。短时间(几秒钟)的APGD处理可以显着且均匀地改变PET膜的表面特性。经过10 s APGD处理后,PET表面的表面氧含量分别增加到39%,水接触角减小到19°。

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