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A kind of diatom mud coating for interior decoration

A technology for diatom mud coating and interior decoration, which is applied in the coating field to achieve the effects of improving surface smoothness, increasing volume and increasing specific surface area

Active Publication Date: 2021-01-15
蔡盼
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Metal-doped modified BiNbO 4 There are few reports on photocatalysts, and even less reports on their application in diatom mud coatings. Therefore, it is necessary to research and develop new high-efficiency photocatalysts.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A diatom mud coating for interior decoration, the weight percentage of each raw material is: diatomite 10%, bentonite 4%, pure acrylic emulsion 15%, light calcium carbonate 25%, hydroxyethyl cellulose 4%, Composite photocatalyst 5%, starch ether 6%, water-based silicone oil 2%, surfactant 1%, dispersant 3%, thickener 0.5%, and the balance is deionized water;

[0035] The composite photocatalyst is Ru-BiNbO 4 Photocatalyst, Ru-BiNbO 4 The preparation method of photocatalyst is:

[0036] (1) 10mol bismuth nitrate is dissolved in 50% concentrated nitric acid, is diluted to 5mol / L by adding water while stirring, obtains bismuth nitrate acid solution after stirring;

[0037] (2) 12mol potassium niobate is dissolved in 7mol / L potassium hydroxide solution, after stirring, potassium niobate solution is obtained;

[0038] (3) While stirring the bismuth nitrate solution, drop the potassium niobate solution into it, after the dropwise addition, stir for 15 min;

[0039] (4) 0.1m...

Embodiment 2

[0049] A diatom mud coating for interior decoration, the weight percentage of each raw material is: diatomite 15%, bentonite 6%, pure acrylic emulsion 20%, light calcium carbonate 15%, hydroxyethyl cellulose 8%, Composite photocatalyst 8%, starch ether 6%, water-based silicone oil 1%, surfactant 0.5%, dispersant 1%, thickener 1%, and the balance is deionized water;

[0050] The composite photocatalyst is Ru-BiNbO 4 Photocatalyst, Ru-BiNbO 4 The preparation method of photocatalyst is with embodiment 1;

[0051] Described tensio-active agent is cetyltrimethylheteropolyacid ammonium salt;

[0052] Described dispersant is zinc stearate;

[0053] Described thickener is acetylated distarch phosphate;

[0054] The preparation method of the diatom mud coating that is used for interior decoration is:

[0055] S1. Activation of diatomite: Add 1kg of diatomite to a ball mill to grind and pulverize, soak in 10% nitric acid for 5 hours, filter, wash until neutral, dry, and then put it...

Embodiment 3

[0059] A diatom mud coating for interior decoration, the weight percentage of each raw material is: diatomite 5%, bentonite 5%, pure acrylic emulsion 25%, light calcium carbonate 20%, hydroxyethyl cellulose 7%, Composite photocatalyst 7%, starch ether 8%, water-based silicone oil 2%, surfactant 0.5%, dispersant 1.5%, thickener 0.3%, and the balance is deionized water;

[0060] The composite photocatalyst is Ru-BiNbO 4 Photocatalyst, Ru-BiNbO 4 The preparation method of photocatalyst is with embodiment 1;

[0061] Described tensio-active agent is cetyltrimethylheteropolyacid ammonium salt;

[0062] Described dispersant is zinc stearate;

[0063] Described thickener is acetylated distarch phosphate;

[0064] The preparation method of the diatom mud coating that is used for interior decoration is:

[0065] S1. Activation of diatomite: Add 1kg of diatomite into a ball mill to grind and pulverize, soak in 10% nitric acid for 2 hours, filter, wash until neutral, dry, and then p...

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Abstract

Diatom ooze coating for indoor decoration is disclosed. Raw materials include, by weight, 5-15% of diatomite, 3-6% of bentonite, 15-20% of pure acrylic emulsion, 15-25% of precipitated calcium carbonate, 4-8% of hydroxyethyl cellulose, 5-8% of a composite photocatalyst, 6-9% of starch ether, 1-3% of waterborne silicone oil, 0.5-2% of a surfactant, 1-3% of a dispersant, and 0.3-1% of a thickener, with the balance being deionized water. BiNbO4 is doped with Ru through a hydrothermal method for modification to increase the visible light range of the BiNbO4, to reduce photoproduced electron-hole combination, and to greatly increase photocatalytic performance; and then activated diatomite is loaded with the composite photocatalyst Ru-BiNbO4, thus increasing the catalytic area of the photocatalyst, and greatly improving the formaldehyde degradation efficiency of the composite photocatalyst Ru-BiNbO4. The prepared coating is high in practicability, has excellent properties and high application value and allows a decorated surface to be smoother.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a diatom mud coating for interior decoration. Background technique [0002] It has become a consensus that environmental pollution will induce pathological changes in the human body. The pathogenic bacteria, PM2.5 fine particles and pathogenic and carcinogenic organic substances permeating the living environment have attracted more and more attention. The formaldehyde, volatile organic compounds (Volatile Organic Compounds, VOC), fine dust particles, toxic Composition has become the number one concern for consumers after a home renovation. Among them, formaldehyde is a colorless gas with a strong pungent smell. It is very volatile at room temperature, and the volatile amount increases with the increase of temperature. It has a strong stimulating effect on human skin and mucous membranes. It can be converted into methanol in the body and have adverse effects on the optic nerve....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/04C09D7/61C09D7/62C09D7/63C09D7/65C09D5/18
CPCC08K2003/265C08L2201/08C08L2205/035C09D5/18C09D133/04C09D7/61C09D7/62C09D7/63C09D7/65C09D7/70C08L1/284C08L3/08C08L83/04C08K13/06C08K9/12C08K7/26C08K3/346C08K3/26C08K5/098
Inventor 不公告发明人
Owner 蔡盼
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