Importance of improving the fixation rate of reactive dyes
Although the fixation reaction rate is much higher than the hydrolysis reaction rate, if the process conditions are not properly controlled, such as the pH value of the dye solution is too high or the temperature is too high, it will aggravate the hydrolysis of the dye, reduce the fixation rate, increase the floating color on the dyed fabric, increase the burden of post-treatment, increase the dyeing cost, and increase the burden of dyeing wastewater treatment. Therefore, improving the fixation rate of reactive dyes is an important problem in reactive dyeing.
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