Dyeing accelerant capable of improving dyeing performance of cotton fabrics
A technology of dyeing performance and dyeing accelerator, applied in the field of research and development of new materials, can solve the problems of aggravated dye hydrolysis, resource waste, sewage discharge, etc., and achieve the effects of improving fiber affinity, reducing costs, and simplifying the process
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Embodiment 1
[0020] A kind of dyeing accelerator that improves cotton fabric dyeing performance, described dyeing accelerator is added in reactive dye diluent and uses, and its preparation method comprises the following steps:
[0021] (1) Weigh 24ml of copper sulfate solution and place it in a beaker, add 60ml of sodium hydroxide solution, disperse with magnetic stirring for 30 minutes, heat up to 45°C, add 20ml of water glass, heat in a water bath to 60°C, and stir magnetically for 40 minutes , let it stand for 4 hours, use phosphate buffer to adjust the pH value of the system between 9.0-9.2, wash with ethanol and deionized water three times in sequence, dry in a vacuum oven at 70°C for 15 hours, and send it to a muffle furnace for calcination For 2 hours, the calcination temperature is 330°C, cool naturally after calcination, and grind into powder for later use;
[0022] (2) Weigh 1.5 grams of cerium oxide powder and place it in a beaker, add 20 ml of hydrochloric acid-n-butanol aqueou...
Embodiment 2
[0032] A kind of dyeing accelerator that improves cotton fabric dyeing performance, described dyeing accelerator is added in reactive dye diluent and uses, and its preparation method comprises the following steps:
[0033] (1) Weigh 26ml of copper sulfate solution and place it in a beaker, add 62ml of sodium hydroxide solution, disperse with magnetic stirring for 35 minutes, heat up to 48°C, add 25ml of water glass, heat in a water bath to 65°C, and stir magnetically for 45 minutes , let it stand for 4.5 hours, use phosphate buffer to adjust the pH value of the system between 9.0-9.2, wash with ethanol and deionized water for 4 times, dry in a vacuum oven at 75°C for 18 hours, and send it to a muffle furnace for calcination 2.5 hours, calcined at 335°C, cooled naturally after calcined, ground into powder for later use;
[0034] (2) Weigh 1.55 g of cerium oxide powder and place it in a beaker, add 22 ml of hydrochloric acid-n-butanol aqueous solution to the beaker, stir mechani...
Embodiment 3
[0044] A kind of dyeing accelerator that improves cotton fabric dyeing performance, described dyeing accelerator is added in reactive dye diluent and uses, and its preparation method comprises the following steps:
[0045] (1) Weigh 28ml of copper sulfate solution and place it in a beaker, add 65ml of sodium hydroxide solution, stir magnetically to disperse for 40 minutes, heat up to 50°C, add 30ml of water glass, heat in a water bath to 70°C, and stir magnetically for 50 minutes , let it stand for 5 hours, use phosphate buffer to adjust the pH value of the system between 9.0-9.2, wash with ethanol and deionized water for 5 times, dry in a vacuum oven at 80°C for 20 hours, and send it to a muffle furnace for calcination 3 hours, the calcination temperature is 340°C, after calcination, it is naturally cooled, and ground into powder for later use;
[0046] (2) Weigh 1.6 g of cerium oxide powder and place it in a beaker, add 24 ml of hydrochloric acid-n-butanol aqueous solution t...
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