Journal of Textile Research ›› 2015, Vol. 36 ›› Issue (02): 92-97.

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Superhydrophobic mechanism and property of fluoride-free hydrosol in-situ deposition driven by electrochemistry on cotton fabric

  

  • Received:2014-09-01 Revised:2014-10-30 Online:2015-02-15 Published:2015-02-13

Abstract:

To endow superhydrophobic property on cotton fabric at the fluoride-free condition, a homogeneous and dense film was directly in-situ deposited on cotton fabric by electrochemical deposition technology with SiO2 hydrosol. SiO2 hydrosol was prepared with emulsifier sodium dodecylbenzene sulfonate and hydrophobic modifier triethoxyoctylsilane. The contact angle of the deposited cotton reached 157.7°, and the fabric was superhydrophobic. Through soap washing, the contact angle of the deposited cotton fabric was 151.1°, and the hydrophobic property was still good. The whiteness and mechanical property were changed slightly, while the breathability was weakly decreased, which didn’t affect the wearing performance.

Key words: electrochemistry, hydrosol, in-situ deposition, superhydrophobic, cotton fabric

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