Hydrophilic stability of plastic surfaces treated in low- and atmospheric-pressure radio-frequency plasmas

Ruey Chang Hsiao, Ta Lun Sung, Chung Ming Liu, Shinriki Teii, Tu Cheng Chan, Shigeru Ono, Kungen Teii, Chao Chen Yang, Shi Chao Zeng

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

An atmospheric-pressure radio-frequency (RF) corona torch plasma and a low-pressure parallel-plate RF plasma are employed to increase hydrophilicity of polycarbonate and acrylonitrile butadiene styrene surfaces. The contact angle of water for the plastic surfaces is decreased by Ar plasma treatment in any condition, while the surface roughness is decreased, too, unexpectedly. The rate of decrease in contact angle versus treatment time in the atmospheric pressure plasma is about an order of magnitude higher than that in the low-pressure plasma. During postexposure of the plastic surfaces to ambient air, the contact angle is recovered gradually and saturated at a certain value depending on plasma treatment time. A longer plasma treatment time causes less recovery in contact angle. The results indicate that surface roughening as well as surface functionalization is responsible for improving the recovery characteristic and, hence, the hydrophilic stability.

Original languageEnglish
Article number6847734
Pages (from-to)3837-3841
Number of pages5
JournalIEEE Transactions on Plasma Science
Volume42
Issue number12
DOIs
Publication statusPublished - Dec 1 2014

Fingerprint

atmospheric pressure
radio frequencies
plastics
low pressure
recovery
plasma torches
acrylonitriles
polycarbonates
butadiene
parallel plates
styrenes
coronas
surface roughness
causes
air
water

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

Cite this

Hsiao, R. C., Sung, T. L., Liu, C. M., Teii, S., Chan, T. C., Ono, S., ... Zeng, S. C. (2014). Hydrophilic stability of plastic surfaces treated in low- and atmospheric-pressure radio-frequency plasmas. IEEE Transactions on Plasma Science, 42(12), 3837-3841. [6847734]. https://doi.org/10.1109/TPS.2014.2329895

Hydrophilic stability of plastic surfaces treated in low- and atmospheric-pressure radio-frequency plasmas. / Hsiao, Ruey Chang; Sung, Ta Lun; Liu, Chung Ming; Teii, Shinriki; Chan, Tu Cheng; Ono, Shigeru; Teii, Kungen; Yang, Chao Chen; Zeng, Shi Chao.

In: IEEE Transactions on Plasma Science, Vol. 42, No. 12, 6847734, 01.12.2014, p. 3837-3841.

Research output: Contribution to journalArticle

Hsiao, RC, Sung, TL, Liu, CM, Teii, S, Chan, TC, Ono, S, Teii, K, Yang, CC & Zeng, SC 2014, 'Hydrophilic stability of plastic surfaces treated in low- and atmospheric-pressure radio-frequency plasmas', IEEE Transactions on Plasma Science, vol. 42, no. 12, 6847734, pp. 3837-3841. https://doi.org/10.1109/TPS.2014.2329895
Hsiao, Ruey Chang ; Sung, Ta Lun ; Liu, Chung Ming ; Teii, Shinriki ; Chan, Tu Cheng ; Ono, Shigeru ; Teii, Kungen ; Yang, Chao Chen ; Zeng, Shi Chao. / Hydrophilic stability of plastic surfaces treated in low- and atmospheric-pressure radio-frequency plasmas. In: IEEE Transactions on Plasma Science. 2014 ; Vol. 42, No. 12. pp. 3837-3841.
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