Abstract
ABSTRACT A water-soluble spirooxazine may be successfully applied directly as dye to produce photochromic silk fabric. Molecular modelling, using the CAChe system, provides a good prediction of its photochromic properties. The dyed fabric shows good colour build-up under UV irradiation and reverts slowly to the original colour when the UV source is removed. It is observed that wet fabric shows better photochromic performance than after drying.
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