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Antibacterial coating for removing formaldehyde in combination with physical adsorption and chemical catalysis and preparation method of coating

An antibacterial coating and chemical catalysis technology, applied in antifouling/underwater coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of poor decomposition effect of anti-formaldehyde coatings, poor antibacterial performance, and low decomposition efficiency, etc. To achieve the effect of improving electron conduction efficiency, increasing wear resistance and increasing decomposition efficiency

Inactive Publication Date: 2018-01-26
桂林市漓江机电制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the technical problems such as poor decomposition effect, low decomposition efficiency and poor antibacterial performance of the existing anti-formaldehyde coatings, the present invention provides an antibacterial coating that combines physical adsorption and chemical catalysis to remove formaldehyde and a preparation method thereof

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Components and parts by weight of the antibacterial coating for removing formaldehyde of the present invention are as follows:

[0022] 7 parts of anti-formaldehyde additives (the weight ratio of graphene, nano-titanium dioxide, and diatomaceous earth is 2:1:1), 3 parts of nano-silver glue, 22 parts of polyurethane modified acrylic resin, 0.3 parts of 4235 polyurethane thickener, AC 0.4 parts of -900 water-based high-efficiency defoamer, 8 parts of titanium dioxide paste, 1.2 parts of Span 80, and 18 parts of water;

[0023] The preparation method is as follows:

[0024] Add polyurethane modified acrylic resin into the dispersion tank for dispersion, then mix with water, anti-formaldehyde additives, nano-silver glue, thickener, defoamer, titanium white paste, wetting agent, and disperse at a speed of 700r / min After 40 minutes, take a sample to test that the fineness of the finished product reaches 35-50μm and the viscosity reaches 30-50mm 2 / s and then filter to obtai...

Embodiment 2

[0026] Components and parts by weight of the antibacterial coating for removing formaldehyde of the present invention are as follows:

[0027] 5 parts of anti-formaldehyde additives (the weight ratio of graphene, nano-titanium dioxide, and diatomite is 2:1:1), 1 part of nano-silver glue, 20 parts of polyurethane modified acrylic resin, 0.2 parts of 4235 polyurethane thickener, AC 0.2 parts of -900 water-based high-efficiency defoamer, 6 parts of titanium dioxide paste, 0.8 parts of Tween 80, and 10 parts of water;

[0028] The preparation method is as follows:

[0029] Add polyurethane modified acrylic resin into the dispersion tank for dispersion, then mix with water, anti-formaldehyde additives, nano-silver glue, thickener, defoamer, titanium white paste, wetting agent, and disperse at a speed of 700r / min After 40 minutes, take a sample to test that the fineness of the finished product reaches 35-50μm and the viscosity reaches 30-50mm 2 / s and then filter to obtain an anti...

Embodiment 3

[0031] Components and parts by weight of the antibacterial coating for removing formaldehyde of the present invention are as follows:

[0032] 10 parts of anti-formaldehyde additives (the weight ratio of graphene, nano-titanium dioxide, and diatomite is 2:1:1), 5 parts of nano-silver glue, 25 parts of polyurethane modified acrylic resin, 0.5 parts of 4235 polyurethane thickener, AC -900 water-based high-efficiency defoamer 0.5 parts, titanium dioxide paste 9 parts, Tween 80 1.4 parts, water 20 parts;

[0033] The preparation method is as follows:

[0034] Add polyurethane modified acrylic resin into the dispersion tank for dispersion, then mix with water, anti-formaldehyde additives, nano-silver glue, thickener, defoamer, titanium white paste, wetting agent, and disperse at a speed of 700r / min After 40 minutes, take a sample to test that the fineness of the finished product reaches 35-50μm and the viscosity reaches 30-50mm 2 / s and then filter to obtain an antibacterial coat...

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Abstract

The invention relates to an antibacterial coating for removing formaldehyde in combination with physical adsorption and chemical catalysis and a preparation method of the coating. The antibacterial coating is prepared from raw materials in parts by weight as follows: 5-10 parts of an anti-formaldehyde aid, 1-5 parts of nano-silver colloid, 20-25 parts of polyurethane-modified acrylic resin, 0.2-0.5 parts of a thickening agent, 0.2-0.5 parts of a defoaming agent, 6-9 parts of titanium dioxide slurry, 0.8-1.4 parts of a wetting agent and 10-20 parts of water, wherein the anti-formaldehyde aid contains graphene, nano titanium dioxide and diatomite. Formaldehyde is removed in combination with physical adsorption performance of diatomite and chemical catalysis performance of nano titanium dioxide, and the decomposition efficiency for formaldehyde is greatly improved.

Description

technical field [0001] The invention relates to an interior wall coating, in particular to an antibacterial coating which combines physical adsorption and chemical catalysis to remove formaldehyde and a preparation method thereof. Background technique [0002] Formaldehyde is a colorless gas with a strong pungent odor. Soluble in water, alcohol and ether. The No. 153 Bulletin released by the World Health Organization in 2004 determined that formaldehyde is a carcinogenic and teratogenic substance. Formaldehyde is a recognized allergen, is also one of the potential strong mutagen, and is also one of the risk factors leading to childhood leukemia. According to domestic medical journals and related literature reports, the hazards of indoor formaldehyde to human health can be summarized as stimulating, toxic and carcinogenic. [0003] Due to the improvement of living standards, more and more people like to decorate their houses. However, when the houses are decorated, the art...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/14C09D5/02C09D7/61
Inventor 方杰敏
Owner 桂林市漓江机电制造有限公司
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