Anti-settling water-based quick-drying production process of pearlescent printing ink
A technology of pearlescent ink and production process, which is applied in ink, household utensils, applications, etc., and can solve the problems of small aspect ratio of pearlescent pigment particles, high viscosity, and not easy to settle.
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[0025] The content of the present invention will be further described below through specific examples.
[0026] A kind of anti-sedimentation water-based quick-drying production process of pearlescent ink, comprising the following steps:
[0027] 1) One to two days before printing, soak the pearlescent pigment powder with a particle size of 5-25um in a mixed solvent, the mixed solvent is ethyl acetate, and the soaking ratio of the pearlescent pigment powder to the mixed solvent in terms of mass percentage 3:1.5, make it wet like a paste;
[0028] 2) Add 0.2% to 0.4% thickener according to mass percentage, soak for 3 to 4 hours to make the oil absorption of pearlescent pigments reach saturation, so as to obtain better saturation, the thickener is polyurethane leveling agent;
[0029] 3) After soaking, stir and disperse at a speed of 150r / min, fully soak;
[0030] 4) Before production and use, pour the high-concentration bright silver oil into the soaked pearlescent pigment con...
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