Surface Treatment of Polyethylene Terephthalate to Improving Hydrophilicity Using Atmospheric Pressure Plasma Jet

被引:77
作者
Fang, Zhi [1 ,2 ]
Yang, Jingru [1 ]
Liu, Yuan [1 ]
Shao, Tao [3 ]
Zhang, Cheng [3 ]
机构
[1] Nanjing Univ Technol, Sch Automat & Elect Engn, Nanjing 210009, Jiangsu, Peoples R China
[2] Sichuan Univ, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
[3] Chinese Acad Sci, Inst Elect Engn, Beijing 100190, Peoples R China
基金
中国国家自然科学基金;
关键词
Atmospheric pressure plasma; discharge power density; gas discharge; jet; polyethylene terephthalate (PET); surface modification; treatment distance; DISCHARGE;
D O I
10.1109/TPS.2013.2259508
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
In this paper, the effects of atmospheric pressure argon (Ar) plasma jet treatments on the surface properties of polyethylene terephthalate films are studied. Different discharge power density, treatment distance, and treatment time are selected to study the effects of discharge operation parameters on the surface treatments, and the surface properties of the untreated and plasma-treated samples are characterized through water contact angle and surface energy measurement, Fourier transformed infrared spectroscopy and X-ray photoelectron spectroscopy, with the modification mechanism being discussed. Results show that after the atmospheric pressure Ar plasma jet treatment, the water contact angle decreases with the increase of treatment time and surface energy increases with the increase of treatment time, and both of them reach saturated value at certain treatment time. It is found that, the shorter the treatment distance and the higher discharge power density are, the greater are the water contact angle decreasing and surface energy increasing, and the introduction of oxygen-containing polar groups is the main reason for the improvement of surface hydrophilicity. Therefore by shorting treatment distance and increasing the discharge power density, more oxygen-containing polar groups are generated in the jet, thus the treatment time to obtain the efficient treatment effect is reduced.
引用
收藏
页码:1627 / 1634
页数:8
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