Fast response photochromic textiles from hybrid silica surface coating |
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Authors: | Tong Cheng Tong Lin Rex Brady Xungai Wang |
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Institution: | (1) Centre for Material and Fibre Innovation, Deakin University, Geelong, VIC 3217, Australia |
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Abstract: | In this study, a hybrid silica sol-gel embedded with a photochromic dye has been applied to wool fabric to form a photochromic
coating. The treated wool fabrics showed very quick photochromic response. Five different silanes have been used as the silica
precursor, and the resultant coating showed slight differences in photochromic performance, fabric washing fastness, and surface
hydrophilicity. However, the silica type had a considerable influence on fabric handle property. The silica matrix from the
silane containing a long alkyl chain had a very little influence on the fabric handle and better photochromic performance
than those from other different silane precursors. |
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Keywords: | Photochromic dyes Photochromic fabrics Silica sol-gel Surface coating Wool fabrics |
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