Aqueous transparent pigment dispersion and preparation method thereof
A transparent pigment and dispersion technology, applied in the direction of pigment slurry, etc., can solve the problems of high oil absorption, large specific surface area of transparent pigments, etc., and achieve the effect of strong coloring performance, low overall cost of coloring, and bright colors
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[0028] The formula of the embodiment of the invention is referring to Table 1:
[0029] Table 1: (unit: weight percentage)
[0030]
[0031] According to above-mentioned prescription, preparation method carries out as follows:
[0032] ①.Reserve 10% deionized water, add 90% deionized water and 1.5%~5.0% multiplier into the mixer and stir evenly, then add 12.0%~22.0% wetting and dispersing agent at 500~800r / min Rotate to disperse for 15 to 25 minutes to obtain the first mixed solution;
[0033] ②. Add 6.0% to 15.0% functional additives and 0.2% to 0.5% pH regulator into the first mixed solution obtained in step ① and mix evenly to obtain the second mixed solution;
[0034] ③ Add all the selected 1 to 3 kinds of 30.0% to 45.0% transparent pigments to the second mixed solution obtained in step ②, and fully stir to obtain a transparent pigment pre-dispersion;
[0035] ④. Disperse the transparent pigment pre-dispersion obtained in step ③ at a speed of 2000-3000r / min at a high...
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