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Anion-adsorption/decomposition composite diatom ooze and preparation method thereof

A diatom mud and composite technology, which is applied in the field of negative ion adsorption and decomposition composite diatom mud and its preparation, can solve the problems of reducing the utilization efficiency of nanomaterials, reducing the purification function of products, and increasing product costs, so as to improve human immunity , Improve utilization efficiency and save cost

Inactive Publication Date: 2016-08-17
ZHONGSHAN BORUI BUILDING MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even if some diatom mud is added with decomposition materials such as photocatalysts, because photocatalyst nanomaterials tend to agglomerate and form agglomerates, it is not easy to disperse evenly, so direct addition will reduce the utilization efficiency of nanomaterials, increase the cost of products, and reduce the cost of products. Purification function

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Add 8.4wt% deionized water into the dispersion container with stirring, stir evenly at 500 rpm, then slowly add 1.9wt% polyvinyl alcohol, stir evenly, and continue stirring for 30 minutes, then stir at 1000 rpm Add 1.5wt% negative ion powder and 0.2wt% photocatalyst, fully disperse and stir until the fineness is below 50 μm, and obtain a composite solution of polyvinyl alcohol-negative ion powder-photocatalyst, and let it stand for more than 2 days until the foaming disappears completely. use;

[0033] Add 27.6wt% deionized water to the reactor, and add 1.5wt% glycerol, polyvinyl alcohol-anion powder-photocatalyst composite solution, 0.6wt% hydroxyethyl cellulose, 1.5wt% % bentonite, after dispersing for 15 minutes, adjust the speed to 1500 rpm, add 5wt% titanium dioxide, after high-speed dispersion for 30 minutes, then reduce the speed to 1000 rpm, add 11wt% 800 mesh ash calcium, 40wt% diatomite, 0.8wt% retarder, stir and disperse evenly to get the finished product. ...

Embodiment 2

[0035] Add 11.1wt% deionized water into the dispersion container with stirring, stir evenly at 300 rpm, then slowly add 1.2wt% polyvinyl alcohol, stir evenly, and continue stirring for 30 minutes, then stir at 500 rpm Then add 2.4wt% negative ion powder and 0.3wt% photocatalyst, fully disperse and stir until the fineness is below 50 μm, and obtain a composite solution of polyvinyl alcohol-negative ion powder-photocatalyst, and let it stand for more than 2 days until the foaming disappears completely. use;

[0036] Add 32.1wt% deionized water to the reactor, and add 2.0wt% glycerol, polyvinyl alcohol-anion powder-photocatalyst composite solution, 0.5wt% hydroxyethyl cellulose, 2.0wt% % bentonite, after dispersing for 20 minutes, adjust the speed to 1500 rpm, add 7wt% titanium dioxide, after high-speed dispersion for 30 minutes, then reduce the speed to 1000 rpm, add 8wt% 800 mesh ash calcium, 33wt% diatomaceous earth, 0.4wt% retarder, stir and disperse evenly to get the finish...

Embodiment 3

[0038] Add 13.3wt% deionized water into the dispersion container with stirring, stir evenly at 400 rpm, then slowly add 1.5wt% polyvinyl alcohol, stir evenly, and continue stirring for 30 minutes, then stir at 1200 rpm Add 2.8wt% negative ion powder and 0.4wt% photocatalyst, fully disperse and stir until the fineness is below 50 μm, and obtain a composite solution of polyvinyl alcohol-negative ion powder-photocatalyst, and let it stand for more than 2 days until the foaming disappears completely. use;

[0039] Add 26.8wt% deionized water to the reactor, and add 1.8wt% glycerol, polyvinyl alcohol-anion powder-photocatalyst composite solution, 1.0wt% hydroxyethyl cellulose, 1.4wt% % bentonite, after dispersing for 15 minutes, adjust the speed to 1500 rpm, add 10wt% titanium dioxide, after high-speed dispersion for 30 minutes, then reduce the speed to 1000 rpm, add 12wt% 800 mesh ash calcium, 28wt% diatomite, 1.0wt% retarder, stir and disperse evenly to get the finished product....

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Abstract

The invention belongs to the field of diatom ooze paints, and discloses an anion-adsorption / decomposition composite diatom ooze and a preparation method thereof. The preparation method comprises the following steps: preparing a composite solution from 5-15 wt% of deionized water, 1-5 wt% of adhesive, 1-8 wt% of anion powder and 0.1-1.5 wt% of photocatalyst, and mixing the composite solution with 20-35 wt% of deionized water, 0.8-3 wt% of antifreezing agent, 0.5-1.0 wt% of thickener, 0.5-3 wt% of bentonite, 3-10 wt% of titanium white, 5-20 wt% of ash calcium, 20-40 wt% of diatomite and 0.1-1 wt% of retarder to prepare the diatom ooze. According to the method, the anion powder, photocatalyst and other materials can be dispersed more uniformly, thereby enhancing the utilization efficiency. The obtained product continuously releases hydroxy anions, thereby eliminating indoor peculiar smell and various harmful gases, and enhancing the indoor air quality. The diatom ooze can intelligently regulate the indoor air humidity. The diatom ooze is composed of pure natural inorganic materials, is free of any harmful substance or harmful additive, and thus, is a pure green environment-friendly product.

Description

technical field [0001] The invention belongs to the field of diatom mud coatings, in particular to a negative ion adsorption and decomposition composite diatom mud and a preparation method thereof. Background technique [0002] As people have higher and higher requirements for interior decoration, diatom mud is more and more popular as an environmentally friendly interior decoration wall material. The main component of diatom mud is diatomaceous earth. After compounding with fillers, additives and binders, it has extremely high porosity, so that diatom mud can absorb indoor air pollutants such as formaldehyde and benzene, and has a great effect on air purification. Certain effect. But this is only a simple physical adsorption, and there is a disadvantage that the purification effect will decrease after the adsorption is saturated. Even if some diatom mud is added with decomposition materials such as photocatalysts, because photocatalyst nanomaterials tend to agglomerate an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/02C04B14/08
CPCC04B28/02C04B14/08C04B24/283C04B14/12C04B14/305C04B24/2623C04B2103/22
Inventor 李军华张朝平钟顺玉
Owner ZHONGSHAN BORUI BUILDING MATERIAL CO LTD
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