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Polymers 2019, 11(3), 498; https://doi.org/10.3390/polym11030498

Interaction of Surface Energy Components between Solid and Liquid on Wettability, and Its Application to Textile Anti-Wetting Finish

1
Department of Textiles, Merchandising and Fashion Design, Seoul National University, Seoul 08826, Korea
2
Department of Chemical Education, Seoul National University, Seoul 08826, Korea
3
Department of Anatomy and Physiology, Kansas State University, Manhattan, KS 66506, USA
4
Nanotechnology Innovation Center of Kansas State, Kansas State University, Manhattan, KS 66506, USA
5
Research Institute of Human Ecology, Seoul National University, Seoul 08826, Korea
*
Author to whom correspondence should be addressed.
Received: 27 February 2019 / Revised: 9 March 2019 / Accepted: 10 March 2019 / Published: 14 March 2019
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Abstract

With various options of anti-wetting finish methods, this study intends to provide basic information that can be applied in selecting a relevant anti-wetting chemical to grant protection from spreading of liquids with different surface energy profiles. With such an aim, the anti-wetting effectiveness of fluorinated coating and silane coating was investigated for liquids having different surface energy components, water (WA), methylene iodide (MI) and formamide (FA). The wetting thermodynamics was experimentally investigated by analyzing dispersive and polar component surface energies of solids and liquids. The role of surface roughness in wettability was examined for fibrous nonwoven substrates that have varied surface roughness. The presence of roughness enhanced the anti-wetting performance of the anti-wetting treated surfaces. While the effectiveness of different anti-wetting treatments was varied depending on the liquid polarities, the distinction of different treatments was less apparent for the roughened fibrous surfaces than the film surfaces. This study provides experimental validation of wetting thermodynamics and the practical interpretation of anti-wetting finishing. View Full-Text
Keywords: surface energy; dispersive; polar; anti-wetting; roughness; nonwoven; etching; contact angle; thermodynamics surface energy; dispersive; polar; anti-wetting; roughness; nonwoven; etching; contact angle; thermodynamics
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Song, K.; Lee, J.; Choi, S.-O.; Kim, J. Interaction of Surface Energy Components between Solid and Liquid on Wettability, and Its Application to Textile Anti-Wetting Finish. Polymers 2019, 11, 498.

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