一种纤维素基高分子染料及其制备方法
By dissolving cellulose and dyes in a homogeneous system and utilizing the synergistic effect of inorganic and organic bases to enhance the activity of cellulose hydroxyl groups, high loading of cellulose-based polymeric dyes is achieved. This solves the problems of low dye utilization and poor color fastness in existing technologies, resulting in efficient and environmentally friendly dyeing effects.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- WUHAN TEXTILE UNIV
- Filing Date
- 2024-08-27
- Publication Date
- 2026-07-17
AI Technical Summary
Existing cellulose-based polymer dyes suffer from low dye utilization, easy dye hydrolysis, and high water and salt consumption. Furthermore, the accessibility zone of highly crystalline cellulose is small, resulting in generally low loading rates.
Cellulose and dyes were dissolved in a homogeneous system. The synergistic effect of inorganic and organic bases was used to enhance the activity of cellulose hydroxyl groups, thereby achieving high loading of dyes on the cellulose polymer backbone and preparing cellulose-based polymer dyes.
It improves the fixation fastness and loading of dyes, reduces printing and dyeing costs, solves the problems of poor leveling and poor color fastness in the dyeing process, and achieves efficient dye utilization and environmentally friendly dyeing.
Smart Images
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