Photochromic fabrics with improved durability and photochromic performance

Cheng, Tong, Lin, Tong, Brady, Rex and Wang, Xungai 2008, Photochromic fabrics with improved durability and photochromic performance, Fibers and polymers, vol. 9, no. 5, pp. 521-526, doi: 10.1007/s12221-008-0083-4.

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Title Photochromic fabrics with improved durability and photochromic performance
Author(s) Cheng, Tong
Lin, TongORCID iD for Lin, Tong orcid.org/0000-0002-1003-0671
Brady, Rex
Wang, Xungai
Journal name Fibers and polymers
Volume number 9
Issue number 5
Start page 521
End page 526
Total pages 6
Publisher Springer
Place of publication New York, N.Y.
Publication date 2008-10
ISSN 1229-9197
Keyword(s) Science & Technology
Technology
Physical Sciences
Materials Science, Textiles
Polymer Science
Materials Science
Photochromic fabric
Photochromic dye
Silica sol-gel
Surface coating
Durability
Washing fastness
Abrasion fastness
Wool fabric
NONDESTRUCTIVE READOUT
OPTICAL-MEMORY
NEAR-FIELD
PHOTON-MODE
FLUORESCENCE
SWITCHES
COATINGS
FILMS
SPIROOXAZINE
CONTRAST
Summary Previously, we have reported a method for producing photochromic wool fabric by applying a thin layer of hybrid silica-photochromic dye onto the wool surface. While the photochromic coating showed a very fast optical response and had little influence on the fabric handle, its durability was poor. In this study, the durability of the photochromic coating layer was improved by introducing epoxy groups into the silica matrix via co-hydrolysis and co-condensation of an alkyl trialkoxysilane compound (ATAS) and 3-glycidoxypropyltrimethoxysilane (GPTMS). The presence of epoxy groups in the silica enhanced both washing and abrasion durability or fastness. In addition, 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 10.1007/s12221-008-0083-4
Field of Research 091205 Functional Materials
091209 Polymers and Plastics
0303 Macromolecular And Materials Chemistry
Socio Economic Objective 860406 Synthetic Fibres
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2008, Springer
Persistent URL http://hdl.handle.net/10536/DRO/DU:30076194

Document type: Journal Article
Collection: Institute for Frontier Materials
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