Full-matte high-transparency finishing varnish applied to interior wall texture coating as well as preparation method and application of full-matte high-transparency finishing varnish

By using latex particles of different sizes and nano-modification technology in interior wall textured coatings, a fully matte topcoat is formed, solving the problems of uneven gloss and water resistance, achieving high transparency and consistent application, and improving the overall performance of the coating.

CN122302656APending Publication Date: 2026-06-30NIPPON PAINT CHINA +1
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Patent Information

Application Number
CN202411942848.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing clear topcoat coatings for interior wall textured paints have defects in terms of inconsistent gloss and water resistance. Traditional matting technology affects storage stability and transparency, resulting in uneven gloss and a tendency to develop spots.

Method used

By using two different particle sizes of latex particles to form an uneven paint film surface during the film-forming process, and through the segmented reaction of the emulsion and nano-surface modification technology, combined with polymer/inorganic nanomaterial composite additives, a fully matte effect is achieved, avoiding the use of matting powder.

Benefits of technology

It improves the water resistance and storage performance of the coating, reduces the problem of inconsistent gloss, achieves a matte effect from all angles, enhances the transparency and application consistency of the coating, and avoids the defects caused by traditional matte powders.

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Abstract

The invention relates to a full-matte high-transparency finishing varnish applied to an interior wall texture coating as well as a preparation method and application of the full-matte high-transparency finishing varnish. The full-matte high-transparency finishing varnish is prepared from emulsion, a multifunctional additive, a thickening agent, a defoaming agent, a pH regulator, a coalescing agent, an anti-freezing agent, a dry film mildew-proof anti-algae agent, a sterilizing agent and water. The emulsion is a silicon modified pure acrylic acid mixed emulsion, the solid content is 36 + / -1%, and the emulsion comprises a coarse particle size emulsion and a fine particle size emulsion. According to the full-matte high-transparency finishing varnish disclosed by the invention, the surface of a paint film is uneven in a film forming process by utilizing two or more latex particles with different particle sizes, so that a matte effect is achieved. The prepared different matte varnishes can reduce the risk of coating layering and the problem of inconsistent glossiness possibly occurring in the using process, the water resistance and the storage performance are also obviously improved, and the application of the matte varnishes in the fields of water-based multicolor coatings, interior wall art coatings and the like is greatly expanded.
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