Preparation method and application of cross-linked resin for spinning
A cross-linking resin and textile technology, applied in textiles and papermaking, shrink-resistant fibers, fiber processing, etc., can solve the problems of the decline of color and brightness of the cloth surface, and improve the color, clear texture and bright color of the cloth surface. Effect
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Embodiment 1
[0023] Add 1456kg of glyoxal to the reaction kettle and use triethanolamine to adjust PH=5, add 588kg urea, react for 30min, use 25% pure lye, adjust PH=8–8.5 and raise the temperature to 45-550°C, keep the temperature for 3 hours, and cool down to 400°C, add 1456kg formaldehyde, use 25% soda ash to adjust PH=8–8.5, raise the temperature to 45–550°C, keep warm for 3 hours, add 1092kg methanol, etherify for 2 hours, add 16.8kg self-made bleaching aid, 840kg Water, modified for 1 hour, can be discharged.
Embodiment 2
[0025] Add 1456kg of glyoxal to the reaction kettle and use triethanolamine to adjust PH=5, add 588kg urea, react for 30min, use 25% pure lye, adjust PH=8–8.5 and raise the temperature to 45-550°C, keep the temperature for 3 hours, and cool down to 400℃, add 1456kg formaldehyde, adjust PH=8-8.5 with 25% soda ash, raise the temperature to 45-550℃, keep warm for 3 hours, add 1092kg ethanol, etherify for 2 hours, add 16.8kg self-made bleaching aid, 840kg Water, modified for 1 hour, can be discharged.
Embodiment 3
[0027] Add 1456kg of glyoxal to the reaction kettle and use triethanolamine to adjust PH=5, add 588kg urea, react for 30min, use 25% pure lye, adjust PH=8–8.5 and raise the temperature to 45-550°C, keep the temperature for 3 hours, and cool down to 400°C, add 1456kg formaldehyde, use 25% soda ash to adjust PH=8–8.5, heat up to 45–550°C, keep warm for 3 hours, add 1092kg ethylene glycol, etherify for 2 hours, add 16.8kg self-made bleaching aid , 840kg of water, modified for 1 hour, then the material can be discharged.
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