Water-based environment-friendly ink and preparation method thereof
A technology of water-based ink and water-based acrylic, which is applied in the direction of ink, household utensils, applications, etc., can solve the problems of insufficient composite strength, slow drying speed, and slow printing speed, and achieve simple and easy preparation methods, fast drying speed, and printing speed fast effect
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[0035] The method for preparing water-based ink includes the following steps:
[0036] (1) Dissolve the water-based amino resin, water-based acrylic resin, and maleic acid resin in the mixed solvent according to the proportions, and mechanically stir at room temperature until the mixture is uniform to obtain mixed solution A;
[0037] (2) Adding pigments to the prepared mixed liquid A, after mixing uniformly, adding auxiliary agents, and finally adjusting the pH of the mixture to a pH value of 8.0-9.0 with a 0 alkaline solution to prepare the aqueous ink.
[0038] Optionally, the pH value of the mixture is adjusted to 8.0-9.0 by using 0.1 mol / L ammonia water.
[0039] The application of the water-based ink in the packaging box.
[0040] Optionally, the application of the water-based ink in a food packaging box.
[0041] Optionally, the application of the water-based ink in a cosmetic packaging box.
Embodiment 1
[0044] (1) Dissolve the water-based amino resin, water-based acrylic resin, and maleic acid resin in a mixed solvent with a volume ratio of water and ethanol of 10:3 according to a mass percentage of 2:1:1, and mechanically stir at room temperature until the mixture is uniform , Prepare mixed solution A;
[0045] (2) Add carbon black to the prepared mixture A. After mixing uniformly, add defoamer, leveling agent and surfactant, and finally adjust the pH of the mixture to 8.0-9.0 with an alkaline solution to obtain the 述Water-based ink.
Embodiment 2
[0047] (1) Dissolve the water-based amino resin, water-based acrylic resin and maleic acid resin in a mixed solvent with a volume ratio of water and ethanol of 10:4 according to a mass percentage of 2:1.2:1, and mechanically stir at room temperature until they are uniform , Prepare mixed solution A;
[0048] (2) Add titanium dioxide to the prepared mixture A. After mixing uniformly, add defoamer, leveling agent and surfactant, and finally adjust the pH of the mixture to 8.0-9.0 with an alkaline solution to prepare the Water-based ink.
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