Waterborne wood lacquer and preparation method thereof

Abstract

The invention discloses waterborne wood lacquer. The waterborne wood lacquer is prepared from a first mixed component, a second mixed component and water, and the mass ratio of the first mixed component to the second mixed component to the water is 100 to (12 to 18) to (10 to 20), wherein the first mixed component is prepared from 10 percent to 30 percent of waterborne polyurethane resin, 50 percent to 70 percent of waterborne acrylic resin, 1 percent to 5 percent of matte powder, 0.5 percent to 2 percent of wax paste, 3 percent to 6 percent of a film-forming auxiliary agent, 0.1 percent to 0.2 percent of a pH (Potential of Hydrogen) regulator, 0.5 percent to 1 percent of a rheological agent, 1 percent to 2.5 percent of a multifunctional auxiliary agent and 2 percent to 10 percent of water; the second mixed component is prepared from 15 percent to 30 percent of PMA (Polymethyl Acrylate) and 70 percent to 85 percent of a waterborne curing agent. By adopting the waterborne wood lacquer disclosed by the invention, the adhesive force between a waterborne finish paint layer and an oily primer layer can be remarkably improved, and the rigidity and the water resistance of a paint film are improved; the invention further discloses a preparation method of the waterborne wood lacquer, which has a simple preparation process, is easy to implement and is suitable for large-batch production requirements.

Description

Technical field [0001] The invention relates to the field of fine chemical coatings, in particular to a water-based wood paint and a preparation method thereof. The water-based wood paint can significantly improve the paint film in PU transparent primer, NC transparent primer, PE transparent primer, melamine board and other oily primers. The adhesion on the paint can obviously improve the hardness and water resistance of the paint film. Background technique [0002] Due to environmental protection, water-based wood paint is odorless after drying and is not a hazardous chemical product. It is increasingly supported by the government and favored by the market. It will gradually become the leading furniture material in the future; however, water-based wood paint and oil-based systems The adhesion between the layers is poor, the hardness is average, and the water resistance is poor, so it has attracted wide attention. At this stage, it is difficult for many water-based paint product...

AI Technical Summary

Problems solved by technology

[0002] Water-based wood lacquers are more and more supported by the government and favored by the market due to their environmental protection, odorless paint film after drying and non-hazardous chemicals, and will gradually become the leading furniture materials in the future; however, water-based wood lacquers and oil-based systems The interlayer adhesion is poor, the hardness is average, and the water resistance is poor, so it has attracted widespread attention.

At the current stage, many water-based coating products are difficult to achieve a balance between environmental protection, hardness and adhesion. Although water-soluble resins can be used for adhesion, they are not environmentally friendly and have an odor. Although ordinary water-based resins are more environmentally friendly, the adhesion is not good. Well, it's harder to balance