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Low-Temperature Cyclonic Plasma Created at Atmospheric Pressure

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7 Author(s)
Chun Huang ; Dept. of Chem. Eng. & Mater. Sci., Yuan Ze Univ., Chungli ; Chi-Hung Liu ; Shin-Yi Wu ; Tai-Hung Chen
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Cyclonic atmospheric pressure plasma with low-temperature nature has been investigated. High-speed rotating nonthermal atmospheric plasma jets were utilized as RF plasma sources to provide the gas velocities required to generate the cyclonic gas flow patterns. It was shown that the plasma temperature could be controlled by operational parameters. The experimentally measured gas phase temperature was around 30degC-85degC, indicating that this cyclonic atmospheric pressure plasma can treat polymers without unfavorable thermal effects. This type of low-temperature atmospheric plasma can provide a novel technique for large-scale surface modification of heat-sensitive materials.

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Plasma Science, IEEE Transactions on  (Volume:37 ,  Issue: 7 )