Nano coating

Abstract

A nano coating is prepared by nano-composite size added with fillers and various auxiliary agents; wherein, the average grain size of the nano powder formed by covering in the nano coating is 35 nanometers; the spherical nano powder has ends with surfaces closed and lotus leaf-like surface microstructure; the nano powder also has tap density of 0.15-0.5g / cm and specific surface area of 125-180<2> / g; the nano coating comprises the following materials by weight percent: 3.8% of ionized water, 10-12% of nano size, 2.5-2.8% of glycol, 5.3-5.7% of hydroxyethyl cellulose, 1.4-1.7% of film forming auxiliary agent, 28-29% of titanium dioxide, 2-3% of calcined kaolin, 2-3% of heavy calcium carbonate, 39-40% of phenylethylene-propyl ethylene acid ester emulsion, 0.5-0.6% of propylene glycol, 0.1-0.2% of bactericide, 0.2-2% of thickener, 0.1% of defoamer, 0.27% of dispersant, 0.06% of wetting agent and 0.2% of pH value regulator. The coating is bactericidal, nontoxic, tasteless and resistant to 300000 times of washing.

Description

technical field [0001] The invention relates to a wall decorative coating, in particular to an inorganic nano-scale coating used for decorating the inner wall or outer wall of a wall. Background technique [0002] At present, a large number of wall paints sold on the market in our country contain organic solvents. Although some powder materials are inorganic powders, the material components used contain certain toxic pigments and fillers, which produce certain harmful substances during production and use. Pollution affects human health. [0003] The reason why the paint coating is not resistant to stains, dust, and dirt is mainly determined by the surface structure of the paint and the characteristics of the material. The paints sold on the market are either hydrophobic or oleophobic. The former Good water resistance, but not oil resistance; the latter has good oil resistance, but not water resistance. For this reason, making the amphiphobic structure of the nano coating i...

AI Technical Summary

Problems solved by technology

[0004] The scrub resistance of nano-coatings depends on the surface effect of nano-materials, and it shows scrub resistance on the coating. For ordinary latex paints, the scrub resistance is very low, generally only 1000-2000 times. Therefore, use The number of years is short and cannot meet people's requirements

[0005] General paint coatings do not have strong weather resistance, color retention, gloss retention and aging resistance. Therefore, the service life of the coating is short. Nanomaterials have a strong shielding effect on ultraviolet rays, which can greatly slow down the sunlight on the coating. The destruction of the layer makes the coating have stronger weather resistance, color retention, gloss retention and aging resistance

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