Sterilizing, anti-algae and anti-aging water-based exterior wall coating and preparation method thereof

Abstract

The invention discloses a sterilizing, anti-algae and anti-aging water-based exterior wall coating. The coating is characterized in that the coating is prepared from the following raw materials in parts by weight: 20 to 23 parts of butadiene styrene rubber latex, 13 to 15 parts of n-butyl acrylate, 1.5 to 2.5 parts of paraffin, 0.3 to 0.5 part of methylrosanilinium chloride, 6 to 8 parts of calcium silicate hydrate powder, 0.2 to 0.4 part of ammonium persulfate, 2 to 3 parts of starch phosphate, 4 to 6 parts of zinc oxide, 10 to 13 parts of talcum powder, 1 to 2 parts of an antioxidant (DSTP, distearyl thiodipropionate), 6 to 8 parts of modified rounded mortar, and 25 to 30 parts of water. The invention has the advantages that the methylrosanilinium chloride is added into the coating as an antibacterial agent, so as to achieve good sterilizing and anti-algae effects; the modified rounded mortar is added, so as to achieve good dispersing effect, high hardness and abrasive resistance, as well as an elegant appearance, avoid increasing pressure on a building, and satisfy different decoration requirements; the exterior wall coating has high weather resistance, aging resistance and scrubbing resistance, as well as a large adhesive force, can be directly constructed during the exterior wall construction, and achieves remarkable covering effect.

Description

technical field [0001] The invention relates to a paint and a preparation method thereof, in particular to a bactericidal, anti-algae and anti-aging water-based exterior wall paint and a preparation method thereof. Background technique [0002] The existing exterior wall paint has poor viscosity and is easy to fall off. It will turn yellow when it is exposed to light for a long time, and it is easy to mold when it is damp for a long time. Violet is a triphenylmethane dye disinfectant, which competes with the microbial enzyme system for hydrogen ions, making the enzyme an inactive oxidation state, thereby exerting a bactericidal effect. It mainly kills Gram-positive bacteria such as Staphylococcus, diphtheria, Pseudomonas aeruginosa, Candida albicans, and Epidermophyton, and has almost no effect on other Gram-negative bacteria and acid-fast bacteria. [0003] Round-grained quartz sand is finely processed from natural quartz sand through multiple processes. The product has h...

AI Technical Summary

Problems solved by technology

However, the density of round sand is high, adding it to the paint and spraying it on the outer wall will increase the weight of the building, and there is a danger of falling off the wall due to wind and sun, and it will also affect the dispersion of the paint.