Weather-resistant exterior wall latex paint

Abstract

The invention relates to a weather-resistant exterior wall latex paint which is prepared from the following raw materials in parts by weight: 60-80 parts of an acetic-acrylic emulsion, 20-35 parts of polyvinylidene fluoride resin, 4-8 parts of polyurethane, 5-7 parts of rutile type titanium dioxide, 1-3 parts of mica powder, 5-10 parts of heavy calcium carbonate, 1-5 parts of borax, 1-3 parts of calcite, 2-3 parts of a thickening agent, 1-1.5 parts of an ultraviolet absorber, 0.1-0.3 part of a stabilizing agent, 0.5-1 part of a bactericidal agent, 0.5-1.5 parts of an antioxidant, 0.1-1 part of a wetting and dispersing agent, 0.2-0.5 part of a de-foaming agent, 0.6-0.7 part of a freeze-thaw resistant stabilizer and 50-70 part of water. The weather-resistant exterior wall latex paint provided by the invention is excellent in weather resistance, longer in life when being used outdoors, and non-toxic and odorless as the water is taken as a dispersion medium, conforms to the environmental protection requirements and is suitable for the exterior wall decoration of high-grade residential buildings, high-rise buildings, super high-rise buildings and other buildings, thereby having strong popularization and application values.

Description

Technical field [0001] The invention relates to the field of coatings, in particular to a weather-resistant exterior wall latex paint. Background technique [0002] Latex paint is a common name for latex coatings. It was born in the middle and late 1970s. It is a large class of synthetic resin emulsion coatings represented by acrylic copolymer emulsions. Latex paint is a water-dispersible paint, which is made of synthetic resin emulsion as the base material, and the filler is ground and dispersed and then added with various additives. Latex paint has many advantages that are different from traditional wall coatings, such as easy painting, rapid drying, good water resistance and scrubbing resistance of the paint film. In our country, people are accustomed to using synthetic resin emulsion as the base material, water as the dispersion medium, adding pigments, fillers (also known as extender pigments) and additives, and the paint made through a certain process is called latex paint...

AI Technical Summary

Problems solved by technology

[0004] At present, most of the exterior wall latex paint products on the market have poor water resistance and water resistance, low tensile strength, and general adhesion

Because it is not water-resistant or waterproof, the paint film will peel off as a whole after being washed by rain, or crack or peel off due to the difference in moisture content, and the rain will penetrate into the wall and corrode the wall; Dust and oily substances in the atmosphere pollute the paint film surface of the exterior wall latex paint