In this paper, we explore different wetting dispersant (BYK190, BYK193, BYK198), wetting dispersant dosage and the effect of different milling time on the UV printing ink. By studying its curing time, particle size as the performance index, calculate the configuration to meet the requirements of production, and search the superior performance of UV ink formula. First, the red, yellow, blue, and black pigment use four different BYK dispersant (BYK190, BYK193, BYK198) (Yang in Printing Technol 21(7):79-81, 2014, [1]) for grinding in 2, 4, 6, and 8 h to take on curing time, particle size. They respectively were determined to find out the different types of ink the best condition to the production of wetting dispersant type and the best milling time. Finally, to explore the best wetting dispersant dosage, adding dispersant dosage is 0.2, 0.4, 0.6, 0.8 and 1%, and then to make particle size, curing time, etc., so as to find the most superior performance meeting the requirements of production and the best water-borne UV ink formula.
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