Preparation and Application of Light-resistant Fluorane Chromotropic Dye
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United States of America
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Dec 26, 2024
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Aug 23, 2024
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Aug 23, 2024
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Abstract
The present disclosure discloses preparation and application of a light-resistant fluorane chromotropic dye and belongs to the technical field of fine chemical engineering. By optimizing a structure of a commercial fluorane dye, the present disclosure provides a preparation method for a fluorane dye with a full spectrum and good light resistance. On the basis of maintaining a color rendering property, discoloration sensitivity, discoloration fatigue resistance and other properties of the dye, the light resistance is improved, a light resistance time is prolonged by 8-28 hours and is increased by 50% to 80%, a main problem of application of such temperature-sensitive materials in the field of functional textiles is solved, the application field is expanded, and economic benefits are facilitated.
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