Photochromic wool fabrics with enhanced durability and photochromic performance

Lin, Tong, Cheng, Tong, Brady, Rex and Wang, Xun Gai 2008, Photochromic wool fabrics with enhanced durability and photochromic performance, Advances in science and technology, vol. 60, pp. 21-25, doi: 10.4028/

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Title Photochromic wool fabrics with enhanced durability and photochromic performance
Author(s) Lin, TongORCID iD for Lin, Tong
Cheng, Tong
Brady, Rex
Wang, Xun GaiORCID iD for Wang, Xun Gai
Journal name Advances in science and technology
Volume number 60
Start page 21
End page 25
Total pages 5
Publisher Trans Tech Publications
Place of publication Stafa-Zurich, Switzerland
Publication date 2008-09-02
ISSN 1662-0356
Keyword(s) Photochromic fabric
photochromic dye
silica sol-gel
surface coating
durability, washing
wool fabrics
Summary In our previous work, we have produced a photochromic wool fabric by applying a thin layer of hybrid silica-photochromic dye onto the wool surface. The coating showed a very fast optical response, but had little influence on the fabric handle, however durability was low. In this context, we reported that durability of the hybrid layer can be improved by introducing epoxy groups into the silica matrix via co-hydrolysis and co-condensation of an alkyl trialkoxysilane (ATAS) and 3-glycidoxypropyltrimethoxysilane (GPTMS). The presence of epoxy groups in the silica enhanced both washing and abrasion durabilities. Also, the optical response speed was slightly increased as well. Effects of the type of alkyl silane and the GPTMS:alkyl silane ratio on the coating durability, fabric handle and optical response were examined.
Language eng
DOI 10.4028/
Field of Research 091012 Textile Technology
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2008, Trans Tech Publications
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