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Characterization Of Dynamic Wetting Of Plasma-Treated Ptfe Film

Author

Listed:
  • Q. F. WEI

    (Key Laboratory of Eco-Textiles (Southern Yangtze University), Ministry of Education, Lihu Road 1800, Wuxi, 214122, Jiangsu, P. R. China)

  • Y. LIU

    (Key Laboratory of Eco-Textiles (Southern Yangtze University), Ministry of Education, Lihu Road 1800, Wuxi, 214122, Jiangsu, P. R. China)

  • F. L. HUANG

    (Key Laboratory of Eco-Textiles (Southern Yangtze University), Ministry of Education, Lihu Road 1800, Wuxi, 214122, Jiangsu, P. R. China)

  • S. H. HONG

    (Key Laboratory of Eco-Textiles (Southern Yangtze University), Ministry of Education, Lihu Road 1800, Wuxi, 214122, Jiangsu, P. R. China)

Abstract

Polytetrafluoroethylene (PTFE) has been increasingly used in many industries due to its low frictional coefficient and excellent chemical inertness. The surface properties of PTFE are of importance in various applications. The surface properties of PTFE can be modified by different techniques. In this study, PTFE film was treated in oxygen plasma for improving surface wettability. The effects of plasma treatment on dynamic wetting behavior were characterized using Scanning Probe Microscopy (SPM), Fourier transform infrared spectroscopy (FTIR), and dynamic contact angle (DCA) measurements. SPM observations revealed the etching effect of the plasma treatment on the film. The introduction of hydrophilic groups by plasma treatment was detected by FTIR. The roughened and functionalized surface resulted in the change in both advancing and receding contact angles. Advancing and receding contact angles were significantly reduced, but the contact angle hysteresis was obviously increased after plasma treatment.

Suggested Citation

  • Q. F. Wei & Y. Liu & F. L. Huang & S. H. Hong, 2007. "Characterization Of Dynamic Wetting Of Plasma-Treated Ptfe Film," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 14(04), pages 821-825.
    • Handle: RePEc:wsi:srlxxx:v:14:y:2007:i:04:n:s0218625x0701010x
    DOI: 10.1142/S0218625X0701010X
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