Quick-drying primer for renovating exterior wall tiles and preparation method thereof

Abstract

The invention relates to quick-drying primer for renovating exterior wall tiles and a preparation method thereof. The preparation method comprises the following steps of adding water and a styrene-acrylic emulsion into a dispersion cylinder, sequentially adding a multifunctional auxiliary agent, a sterilization preservative, a dispersing agent, a wetting agent and a defoaming agent, and uniformlystirring, adding micron-sized titanium dioxide, coarse whiting powder and talcum powder, increasing the rotating speed and uniformly stirring, reducing the rotating speed, sequentially adding the styrene-acrylic emulsion, the defoaming agent, the antifreeze agent, the coalescing agent, the paint film reinforcing agent and the thickening agent, and uniformly stirring to obtain the quick-drying primer. The quick-drying primer prepared by the invention has excellent adhesive force on the surface of a ceramic tile, and has the characteristics of low cost, covering power, moderate surface tension,quick drying and the like; a paint film is excellent in water resistance, and the adhesive force is not changed after water resistance; the primer is simple and convenient to construct, the primer isa single-component material, and after the surface of the ceramic tile is simply sprayed with the primer, a further surface coating effect, such as stone imitation, embossment, solar heat reflection and self-cleaning, can be achieved instead of simple flat coating.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a quick-drying primer for renovation of exterior wall tiles and a preparation method thereof. Background technique [0002] In the 1970s and 1980s, tiles on the exterior walls of buildings were all the rage and were sought after by many people. However, after decades of exposure to wind, sun, and rain, the brick surface began to appear dirty, discolored, and powdered, which affected the beauty of the building's exterior wall, so it was necessary to renovate the exterior wall tiles. [0003] At present, the existing external wall tile renovation methods include: 1) knock down the old tiles, and re-lay tiles or coatings on the wall after treatment; 2) directly apply special putty on the old tiles and then change the exterior wall paint; 3) directly Brush exterior paint over old tile. Among them, the first two tile refurbishment methods are time-consuming, laborious, difficult to...

AI Technical Summary

Problems solved by technology

Among them, the first two tile renovation methods are time-consuming, laborious, difficult to construct and costly. Many improvements have been made in the research and development of the third type of exterior wall coating in the prior art, but there are still low covering power of the coating film and difficulties in subsequent coating. , or the drying rate of the coating is slow, it is easy to cause sagging on the smooth surface of the tile and it is not conducive to the construction of the next coating in a short time, etc.

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