Nanoscale red liquid disperse dye and preparation method thereof
A liquid disperse dye and liquid dye technology, applied in the field of nano-scale red liquid disperse dye and its preparation, can solve the problems of high energy consumption of nano-processing, affecting storage stability, affecting dyeing performance, etc. Environmental protection indicators, easy to large-scale industrial production, high effect of no-wash soaping fastness
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[0037] According to the dye formula in Table 1 (the balance is water), make nano-scale red liquid disperse dyes.
[0038] Table 1: the formula table of each embodiment (consumption is all by weight percentage)
[0039]
[0040]
[0041] The preparation process is as follows:
[0042] Dye crystal transformation technology: add wetting agent and dispersant to the water dispersion system of the original dye, and disperse and stir at 50-80°C for 1-2 hours to realize the crystal transformation of the dye.
[0043] Nano-technology: Put 60g of disperse dye filter cake after crystallization (dried) and 60g of water into a high-speed disperser for beating at a speed of 3000-5000r / min for 20min, filter it with cheesecloth and add it to the nanoscale dynamic separation Grinder, add the corresponding proportion of dispersant, supplement the corresponding proportion of water, grind for 2 to 5 hours at a speed of 3000r / min, the test particle size D09 is below 200 nanometers, and the ...
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