Anti-sticking acrylic acid paint for coating and preparation method thereof

Abstract

The invention relates to anti-sticking acrylic acid paint for coating and a preparation method thereof. The paint comprises the following ingredients in percentage by weight: 8 to 11 percent of methacrylate, 6 to 10 percent of acrylic ester, 0.4 to 2 percent of hydroxyethyl acrylate, 0.4 to 2 percent of acrylic acid, 0.05 to 0.6 percent of emulsifying agents, 0.02 to 0.18 percent of oxidation type initiators, 0.005 to 0.12 percent of reducing type initiators, 0.01 to 0.2 percent of defoaming agents, 1 to 5 percent of ammonia water and 76 to 84 percent of deionized water. In the acrylic ester polymerization process, and the functional cross linking monomers are added, so the heat cross linking effect is carried out in the coating curing process of the paint for enhancing the anti-sticking effect of the coating film in high-humidity environment. In addition, through the reasonable use of the emulsifying agents and the initiators in a polymerization system, the integral performance of the acrylic paint can also be improved. A proper emulsifying system, the initiators, monomers and processes are adopted for preparing the acrylic acid paint for coating with the ideal anti-sticking effect, and simultaneously, the original performance such as good heat sealing performance, high glossiness and the like is maintained. The paint is stable and has good coating adaptability, the process is simple, the cost is low, and the paint is suitable for industrial production.

Description

Technical field [0001] The invention relates to an anti-adhesive acrylic paint for coating and a preparation method thereof, belonging to the field of polymer materials. Background technique [0002] In the packaging industry, as people pay more and more attention to the aesthetic requirements of various packaging, acrylic coatings are widely used because of their advantages such as high gloss and good printing adaptability. At present, there are many kinds of acrylic paints for coating in the domestic and foreign markets, and the quality varies. Excellent products (such as Dutch DSM company) are expensive and limit their wide use in China. And when using some acrylic paints for coating, because the primer needs to be cured, when the temperature is too low, the primer is difficult to cure and cross-link, and when the temperature is high, it is found that the coating film is prone to stickiness, especially double-sided coating. Cloth, the phenomenon is particularly serious. ...

AI Technical Summary

Problems solved by technology

At present, there are many kinds of acrylic paints for coating in the domestic and foreign markets, and the quality varies. Excellent products (such as DSM in the Netherlands) are expensive and limit their wide use in China.

And when using some acrylic paints for coating, because the primer needs to be cured, when the temperature is too low, the primer is difficult to cure and crosslink, and when the temperature is high, it is found that the coating film is prone to stickiness, especially double-sided coating. Cloth, the phenomenon is particularly serious

The current common solution is to add a slip agent (such as wax emulsion) to the coating, but the anti-sticking effect is not ideal, especially the addition of the slip agent will reduce the heat-sealing performance of the coating film

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