Preparation method of internal wall antibacterial paint

Abstract

The invention relates to a preparation method of an internal wall antibacterial paint. The preparation method comprises the following steps: (1) in a pure nitrogen environment, mixing milk fibers, nano zinc oxide and tantalum pentoxide, grinding to obtain a mixture I, and mixing and grinding light calcium carbonate and molybdenum powder at room temperature to obtain a mixture II; (2) sequentially adding water, a defoaming agent, a dispersing agent, a thickener, a film former and a leveling agent into the mixture I to obtain a mixture III; (3) adding the mixture II into the mixture III, and stirring to obtain a slurry; and (4) adding an emulsion into the slurry, and stirring to obtain the internal wall antibacterial paint. The test according to the Antibacterial Paint HG / T3950-2007 Standard indicates that the internal wall antibacterial paint belongs to a Grade I product, the antibacterial property is greater than 99.5%, and the antimicrobial durability after being irradiated by an ultraviolet lamp for 100 hours is still greater than 99%.

Description

technical field [0001] The invention relates to a preparation method of a paint. Background technique [0002] Interior wall paint is directly painted on the inner surface of buildings, which is very closely related to people's life or work. People will pay more attention to the decorative effect, film feel, flatness, color and texture of interior wall coatings. Interior wall coatings will have a greater impact on the indoor environment, and should have appropriate air permeability and moisture absorption. The airtight and non-diluted coating film will cause condensation on the wall, which is not conducive to the improvement of the indoor environment and the improvement of living comfort. With the improvement of living standards, the requirements for interior wall coatings are getting higher and higher, not only the air permeability and hygroscopicity of interior wall coatings, but also other properties of interior wall coatings, such as antibacterial properties. [0003] ...

AI Technical Summary

Problems solved by technology

[0003] In order to better improve the antibacterial properties of interior wall coatings, antibacterial agents such as nano-titanium dioxide and nano-silver are currently added to interior wall coatings. However, the cost of nano-silver is relatively high, and nano-titanium dioxide needs ultraviolet light to effectively sterilize bacteria. Such antibacterial interior wall coatings are not universal and have poor market prospects