Aqueous silver powder amino baking paint and preparation method thereof

Abstract

The invention discloses aqueous silver powder amino baking paint and a preparation method thereof. The aqueous silver powder amino baking paint is prepared from the following components in parts by mass: 60 to 70 parts of aqueous hydroxyl acrylic emulsion, 0.2 to 0.4 part of a pH regulator, 0.3 to 0.5 part of an anti-foaming agent, 1 to 3 parts of film-forming auxiliaries, 0.2 to 0.5 part of a wetting agent, 0.2 to 0.5 part of a leveling agent, 0.5 to 1.2 parts of a thickening agent, 10 to 20 parts of deionized water, 5 to 7 parts of gonyar amino part methylated amino resin, 5 to 8 parts of aqueous silver powder, and 5 to 8 parts of co-solvents. The aqueous silver powder amino baking paint is safe and environment-friendly, has low VOC content, is high in drying speed, and is good in glossiness; and the paint film is good in glossiness and has a good metal effect.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based silver powder amino baking varnish and a preparation method thereof. Background technique [0002] Silver powder paint is a kind of paint that is widely used in industry. Aluminum powder is dispersed in the paint, and the paint film has a strong metallic flash effect after spraying. Silver powder paint mainly depends on its "appearance". The aluminum powder is in the form of flakes, lying flat in the paint film like many small mirrors to reflect external light, resulting in a strong flash effect. In order to make the flaky aluminum powder lie flat inside the paint film instead of "standing" (too much silver powder "stands", commonly known as "blackening" of the silver powder paint film), the resin and The recipe has its special requirements. The application of traditional solvent-based silver powder paints is relatively mature, and with the increase of environmen...

AI Technical Summary

Problems solved by technology

[0003] The existing silver powder amino baking varnish is mainly solvent-based, which needs to solve the problems of high VOC content, serious pollution and fire hazards; the existing water-based paint products have very high VOC content, and water-soluble acrylic resin amino baking varnish is generally used, and the VOC is as high as 300g / L Above, the smell is also very strong; the luster and metallic texture of existing water-based paint products are still far behind those of solvent-based products, resulting in poor decorative effects; the workability of existing water-based paint products is not as good as that of traditional oil-based paints, resulting in On-site painting workers have serious resistance; in order to achieve a certain silver powder alignment and orientation effect in the existing water-based silver powder amino baking paint, a large amount of silver powder orientation additives must be added, resulting in high costs;

[0004] Although the prior art has solved the problem to a certain extent, it still lacks a kind of water-based silver powder amino baking varnish with low VOC content and its preparation method

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