Underwater pulse electrical diaphragm discharges for surface treatment of fibrous polymeric materials

被引：0
|
作者：
Brablec, A
Slavícek, P
Stahel, P
Cizmár, T
Trunec, D
Simor, M
Cernák, M
机构：
[1] Masaryk Univ, Dept Phys Elect, CS-61137 Brno, Czech Republic
[2] Comenius Univ, Inst Phys, Bratislava 84248, Slovakia
来源：
CZECHOSLOVAK JOURNAL OF PHYSICS | 2002年 / 52卷
关键词：
underwater discharge; H2O plasma; surface treatment; polyester cord;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Preliminary results on physical characteristics of pulsed underwater diaphragm electrical discharges are presented. The discharges burning in tap water, water-chelaton solutions, and some other water-based solutions were studied as a potential atmospheric-pressure H2O-plasma source for surface activation of polyester cord threads. The discharge plasma parameters have been measured by means of optical emission spectroscopy. Electron number density of roughly 2 x 10(8) cm(-3) and an electron temperature of 1x10(4) K were estimated from broadening of hydrogen lines (Halpha), and vibrational temperature of 2500 K was determined from the vibrational band of nitrogen. A significant increase in the surface energy and wettability of the cord threads due to the plasma treatment was obtained.
引用
收藏
页码：491 / 500
页数：10
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