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Antibacterial coating and preparation method thereof

A technology of antibacterial coatings and raw materials, applied in the direction of antifouling/underwater coatings, coatings, paints containing biocide, etc., can solve the problems of easy falling off, easy cracking of coatings, peeling, poor adhesion, etc., and achieve good decorative performance , Excellent antibacterial performance, good decorative effect

Inactive Publication Date: 2018-04-20
广西宏业能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, antibacterial coatings in the domestic market currently have disadvantages such as poor antibacterial effect, poor adhesion, porous structure, easy moisture absorption, and easy shedding. Penetrate into the wall and corrode the wall, which not only has no antibacterial effect, but also affects the decorative appearance of the building and reduces the service life of the building

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] An antibacterial coating is mainly prepared from the following raw materials in parts by weight: 5 parts of lupeol, 1 part of palmatine hydrochloride, 6 parts of yellow

[0017] Even alkali, 3 parts of petracenin, 6 parts of citronellol, 5 parts of rutin, 6 parts of ursolic acid, 15 parts of nano-stone powder, 20 parts of titanium

[0018] White powder, 5 parts of trimethylolpropane, 25 parts of hydrogenated castor oil, 4 parts of manganese acetate;

[0019] Concrete preparation method comprises the following steps:

[0020] 1) First mix titanium dioxide, nano-stone powder, and manganese acetate into the reaction kettle, heat to 92°C, and react for 20 minutes, then add 40 parts of deionized water, and put in hydrogenated castor oil at a stirring speed of 500r / min , put liquid nitrogen into the reactor, lower the temperature of the reactor to 75°C, add Coptis base, stir well to dissolve the material completely, then add ursolic acid, adjust the pH of the solution in the...

Embodiment 2

[0023] An antibacterial coating and a preparation method thereof, mainly prepared from the following raw materials in parts by weight: 7 parts of lupeol, 3 parts of palmatine hydrochloride, 8 parts of coptisine, 5 parts of petogenin, 7 parts of citronellol, 6 parts of 10 parts of rutin, 10 parts of ursolic acid, 17 parts of nanometer stone powder, 22 parts of titanium dioxide, 8 parts of trimethylolpropane, 28 parts of hydrogenated castor oil, 5 parts of manganese acetate;

[0024] Concrete preparation method comprises the following steps:

[0025] 1) First mix titanium dioxide, nano-stone powder, and manganese acetate into the reactor, heat to 94°C, and react for 25 minutes, then add 42 parts of deionized water, and put in hydrogenated castor oil at a stirring speed of 510r / min , put liquid nitrogen into the reaction kettle, the temperature of the reaction kettle is lowered to 79°C, add coptis base, stir well to dissolve the material completely, then add ursolic acid, adjust ...

Embodiment 3

[0028] An antibacterial coating and a preparation method thereof, mainly prepared from the following raw materials in parts by weight: 9 parts of lupeol, 5 parts of palmatine hydrochloride, 12 parts of coptisine, 8 parts of petogenin, 9 parts of citronellol, 7 parts of 1 part of rutin, 2 parts of ursolic acid, 19 parts of nanometer stone powder, 25 parts of titanium dioxide, 10 parts of trimethylolpropane, 30 parts of hydrogenated castor oil, 6 parts of manganese acetate;

[0029] Concrete preparation method comprises the following steps:

[0030] 1) First mix titanium dioxide, nano-stone powder, and manganese acetate into the reaction kettle, heat to 95°C, and react for 30 minutes, then add 45 parts of deionized water, and put in hydrogenated castor oil at a stirring speed of 520r / min , put liquid nitrogen into the reactor, lower the temperature of the reactor to 85°C, add coptis base, stir well to dissolve the material completely, then add ursolic acid, adjust the pH of the ...

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PUM

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Abstract

The invention belongs to the field of building materials, and specifically relates to an antibacterial coating and a preparation method thereof. The antibacterial coating is prepared from the following main raw materials in parts by weight: lupeol, palmatine hydrochloride, coptisine, bergenin, citronellol, rutin, ursolic acid, nanometer Chlorite-schist powder, titanium dioxide, trimethylolpropane,hydrogenated castor oil and manganese acetate. According to the invention, the lupeol, the palmatine hydrochloride, the citronellol, the rutin and the ursolic acid with antibacterial effects are added into the antibacterial coating to improve antibacterial properties of the coating and reduce propagation of bacteria on the surface of the coating; and after the antibacterial coating is coated ontothe surface of a building which is in an environment with easy propagation of bacteria, the building is insusceptible to mildewing.

Description

【Technical field】 [0001] The invention belongs to the field of building materials, and in particular relates to an antibacterial coating and a preparation method thereof. 【Background technique】 [0002] Microorganisms widely exist in nature. Usually, the natural conditions suitable for the reproduction and growth of mold are temperature 23°C-38°C and relative humidity 85%-100%. The walls, ceilings, floors, and underground works of the workshop are suitable for the growth of molds. They multiply rapidly and produce various metabolites of enzymes, acids, and toxins, which affect the appearance and quality of items, pollute the environment, and endanger animals. Plant growth and human health. If ordinary decorative paint is used, it will be corroded by mold to varying degrees, and mold is more serious for organic paint coatings, and the coating corroded by mold will fade, stain, and even fall off. This is because after the mold erodes the coating, it will secrete enzymes, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D191/00C09D5/14C09D7/61C09D7/63
CPCC09D191/00C08K3/34C08K5/05C08K5/098C08K13/02C08K2003/2241C08K2201/011C09D5/14
Inventor 王子龙
Owner 广西宏业能源科技有限公司
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