Preparation method of multifunctional water-borne woodenware close primer

Abstract

The invention relates to a preparation method of a multifunctional water-borne woodenware close primer. A basic recipe of the primer is as follow: 40 percent-70 percent of emulsion, 2 percent-10 percent of coalescing agents, 0.1 percent-0.5 percent of antifoaming agents, 0.2 percent-1 percent of flatting agents, 0.1 percent-1 percent of base material moistening agent, 0.2 percent-1.5 percent of thickening rheological agents, 0.1 percent-0.3 percent of bacteriacide, 0.1 percent-1 percent of PH regulation agents, and 25 percent-40 percent of deionized water. The water-borne woodenware close primer has strong permeability, and excellent water resistance and closure, gallotannic acid in woods can be prevented from seeping to cause floating of colored paint, the adhesion between a base material and a coating is increased, and moisture in putty can be also prevented from being absorbed by the woods untimely to cause difficulty in coating the putty. The water-borne woodenware close primer is suitable for closed coating of surfaces of various dyeing plates, medium-fibrousness plates, artificial lagging boards, woods containing vegetable oil or gallotannic acid and the like.

Description

technical field [0001] The invention relates to a preparation method of a water-based wood coating primer, in particular to a multifunctional water-based wood sealing primer suitable for various materials. Background technique [0002] Due to its environmental protection advantages, water-based wood coatings have always attracted the attention of coating manufacturers and consumers. However, some problems rarely encountered in solvent-based wood coatings have also appeared in the process of promotion and use, such as water-based paints, especially white or For light-colored paints, the color changes immediately after the film dries, resulting in a deviation from the desired color. Although some solvent-based wood coatings also have the problem of discoloration, the speed will not be so fast. There is a gradual process. Therefore, the discoloration of water-based coatings is different from that of solvent-based coatings. One of the simple and effective ways to solve water-ba...

AI Technical Summary

Problems solved by technology

[0003] The existing styrene-acrylic sealing primers and acrylic sealing primers are generally prepared from anionic emulsions, but they have the disadvantages of poor adhesion and weak alkali resistance; the particle size of the emulsion is large, and the surface tension is also very large. It is difficult to penetrate into the tiny capillary pores inside the substrate, so it can only rely on the compactness of the coating film on the surface of the substrate to achieve the effect of the back cover