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Superhydrophobic fabrics from hybrid silica sol-gel coatings: Structural effect of precursors on wettability and washing durability

Wang, Hongxia, Ding, Jie, Xue, Yuhua, Wang, Xungai and Lin, Tong 2010, Superhydrophobic fabrics from hybrid silica sol-gel coatings: Structural effect of precursors on wettability and washing durability, Journal of materials research, vol. 25, no. 7, pp. 1336-1343.

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Title Superhydrophobic fabrics from hybrid silica sol-gel coatings: Structural effect of precursors on wettability and washing durability
Author(s) Wang, Hongxia
Ding, Jie
Xue, Yuhua
Wang, Xungai
Lin, Tong
Journal name Journal of materials research
Volume number 25
Issue number 7
Start page 1336
End page 1343
Total pages 8
Publisher Cambridge University Press
Place of publication New York, N.Y.
Publication date 2010
ISSN 0884-2914
1092-8928
2044-5326
Summary Particle-containing silica sol was synthesized by co-hydrolysis and co-condensation of two silane precursors, tetraethylorthosilicate (TEOS) and an organic silane composed of a non-hydrolyzable functional group (e.g., alkyl, flourinated alkyl, and phenyl), and used to produce superhydrophobic coatings on fabrics. it has been revealed that the non-hydrolyzable functional groups in the organic silanes have a considerable influence on the fabric surface wettability. When the functional group was long chain alkyl (C16), phenyl, or flourinated alkyl (C8), the treated surfaces were highly superhydrophobic with a water contact angle (CA) greater than 170°, and the CA value was little affected by the fabric type. The washing durability of the superhydrophobic coating was improved by introducing the third silane containg epoxide group, 3-glycidoxypropyltrimethoxsilane (GPTMS), for synthesis. Although the presence of epoxide groups in the coating slightly reduced the fabrics' superhydrophobicity, the washing durability was considerably improved when polyester and cotton fabrics were used as substrates.
Language eng
Field of Research 091205 Functional Materials
Socio Economic Objective 860406 Synthetic Fibres, Yarns and Fabrics
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2010
Copyright notice ©2010, Cambridge University Press
Persistent URL http://hdl.handle.net/10536/DRO/DU:30032612

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.