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Geopolymer-based mold-proof antibacterial interior wall coating and preparation method thereof

An anti-mildew and antibacterial, interior wall coating technology, used in anti-fouling/underwater coatings, coatings, paints containing biocides, etc. Odor and other problems, to improve the anti-sag performance, reduce pollution, prevent water loss and cracking

Inactive Publication Date: 2018-11-27
浙江航通舟新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Mildew will not only cause the interior walls of buildings to lose their decorative and protective functions, but also emit musty odors, pollute the indoor environment, induce diseases, and endanger people's health

Method used

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  • Geopolymer-based mold-proof antibacterial interior wall coating and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] 10 parts by weight of metakaolin, 2 parts by weight of nano-zinc, 2.5 parts by weight of nano-silver, 0.5 parts of nano-titanium dioxide, 2 parts by weight of titanium dioxide, 71 parts by weight of quartz powder, 3 parts by weight of sodium polyacrylate, 1 part by weight of The sodium salicylate of 1 weight part, the sodium hypophosphite of 1 weight part, the chopped glass fiber of 2 weight parts, the carbon fiber of 2 weight parts, the boron fiber of 1 weight part, the fumed silica R812 of 2 weight parts mix and stir to obtain Solid phase S: ​​20 parts by weight of sodium water glass (modulus 1.0), 0.5 parts by weight of lithium oxide, 0.5 parts by weight of lithium hydroxide, 1 part by weight of guar gum, 3 parts by weight of nonylphenol Oxyethylene ether and 75 parts by weight of water were mixed and stirred uniformly to obtain a liquid phase L. When in use, mix and stir the solid phase S and the liquid phase L in a weight ratio of 100:40 to obtain a geopolymer-base...

Embodiment 2

[0043] With the metakaolin of 10 parts by weight, the fly ash of 1 part by weight, the chitosan of 2 parts by weight, the lithopone of 5 parts by weight, the ground calcium carbonate powder of 80 parts by weight, the vinylsulfonic acid of 0.1 part by weight Sodium, the basalt fiber of 0.5 weight part, the silica fiber of 1 weight part, the fumed silica R812 of 0.4 weight part are mixed and stirred to obtain solid phase S; The sodium water glass (modulus 1.5) of 5 weight parts, 0.5 weight part The sodium oxide of part, the sodium hydroxide of 0.5 part by weight, the guar gum of 3 parts by weight, the carrageenan of 0.8 part by weight, the polydimethylsiloxane of 0.2 part by weight, the water mixing and stirring of 90 parts by weight obtains liquid phase L. When in use, mix and stir the solid phase S and the liquid phase L in a weight ratio of 100:80 to obtain a geopolymer-based anti-mildew and antibacterial interior wall coating.

Embodiment 3

[0045]With the kaolin of 80 parts by weight, the slag of 7 parts by weight, the thymol of 1 part by weight, the salicylanilide of 1 part by weight, the strontium yellow of 1 part by weight, the ground calcium carbonate of 5 parts by weight, the Secondary sodium alkyl sulfonate, 1.5 parts by weight of tetrasodium edetate, 1 part by weight of boron carbide fiber, 0.5 part by weight of boron nitride fiber, and 1 part by weight of fumed silica R812 are mixed and stirred evenly to obtain a solid phase S; With 90 parts by weight of potassium silicate (modulus 1.5), the potassium oxide of 1 part by weight, the potassium hydroxide of 0.5 parts by weight, the sodium polystyrene sulfonate of 3 parts by weight, the sodium polyacrylate of 3 parts by weight, 0.5 parts by weight of polyoxyethylene polyoxypropanolamine ether and 2 parts by weight of water were mixed and stirred uniformly to obtain a liquid phase L. When in use, mix and stir the solid phase S and the liquid phase L in a weigh...

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Abstract

The invention discloses a geopolymer-based mold-proof antibacterial interior wall coating which is composed of a solid phase S and a liquid phase L, wherein the solid phase S comprises the following components in parts by weight: 10-90 parts of a gel binder, 5-85 parts of pigments and fillers, 0.1-5 parts of a film-forming agent, 0.5-10 parts of an anti-cracking additive and 0.4-5 parts of an anti-settling agent; and the liquid phase L comprises the following components in parts by weight: 5-90 parts of an alkali activator, 0.5-6 parts of a rheological modifier, 0.2-3 parts of an antifoaming agent and 2-90 parts of water. The invention further discloses a preparation method of the geopolymer-based mold-proof antibacterial interior wall coating. The geopolymer-based mold-proof antibacterialinterior wall coating disclosed by the invention realizes the zero-VOC (Volatile Organic Compound) advantage and high-efficiency mold-proof antibacterial functions of the novel water-based inorganicinterior wall coating, and has the advantages of being high in bonding strength with the base plane, excellent in scrubbing resistance, excellent in water resistance and penetration resistance, low inprice and the like, and the mold-proof antibacterial functions have long-term properties.

Description

technical field [0001] The invention relates to the field of architectural coatings, in particular to a geopolymer-based antifungal and antibacterial interior wall coating and a preparation method thereof. Background technique [0002] In recent years, indoor air pollution has caused more and more serious harm to human body, which has attracted more and more attention. The discharge of VOC, free formaldehyde and soluble heavy metals such as lead, chromium, cadmium and mercury during the production and use of interior wall paint has become a factor that cannot be ignored in environmental pollution. Traditional solvent-based architectural coatings have a serious impact on the environment and human health due to the release of a large amount of VOC and free monomers. Water-based architectural coatings use water as the dispersion medium and have the characteristics of health, environmental protection, and excellent performance. Organic solvent-based coatings in interior wall ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/14C09D7/61C09D7/65C09D7/63
CPCC09D1/00C09D5/14C09D7/61C09D7/63C09D7/65C09D7/70
Inventor 朱增裕胡宏军
Owner 浙江航通舟新材料科技股份有限公司
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