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Visible-light nano titanium dioxide photocatalysis sterilization purification solid powder coating

A technology of nano-titanium dioxide and solid powder, applied in the direction of physical/chemical process catalysts, chemical instruments and methods, chemical/physical processes, etc., can solve the problems of complex production process of organic coatings, endangering human health, waste of resources, etc., and achieve easy storage and transportation, low cost, and the effect of preventing mildew

Inactive Publication Date: 2015-01-14
HENAN UNIVERSITY OF TECHNOLOGY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, most domestic interior decoration coatings are organic coatings, which are composed of several or more than a dozen organic components. During use, the organic components volatilize or decompose into small molecular organic compounds, such as benzene, formaldehyde and other harmful gases, which are harmful to the environment. Human health, and the production process of organic coatings is complicated, the waste of resources is serious, and it will cause direct or indirect harm to the environment and humans

Method used

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  • Visible-light nano titanium dioxide photocatalysis sterilization purification solid powder coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Take by weight percentage: visible light nano-titanium dioxide 5%, aluminum silicate 50%, gypsum powder 3%, titanium dioxide 10%, magnesium oxide 1%, sodium polyphosphate 8%, cobalt blue 5%, limestone 18%; the above raw materials Grind for 3 hours after dry mixing, pass through a 300-mesh sieve, and pack with nitrogen gas to obtain the finished product.

Embodiment 2

[0022] Taken by weight percentage: 10% of visible light nano-titanium dioxide, 60% of sodium silicate, 3% of gypsum powder, 5% of titanium dioxide, 1% of talc powder, 8% of sodium hexametaphosphate, 5% of iron red, and 8% of barite; The above raw materials are dry-blended, ground for 3 hours, passed through a 300-mesh sieve, and packaged with nitrogen gas to obtain the finished product.

Embodiment 3

[0024] Take by weight percentage: 15% of visible light nano-titanium dioxide, 55% of calcium silicate, 3% of gypsum powder, 5% of titanium dioxide, 1% of light calcium carbonate, 5% of ammonium phosphate, 5% of iron black, and 11% of calcium phosphate; The above raw materials are dry-blended, ground for 3 hours, passed through a 300-mesh sieve, and packed with nitrogen to obtain the finished product.

[0025] When using the pure inorganic environmental protection visible light nano-titanium dioxide photocatalytic sterilization and purification solid powder coating of Examples 1, 2, and 3 of the present invention, add an appropriate amount of water, stir for 5 minutes, and place it for 10 minutes to apply it on the inner wall with a scraper, and press it after half-drying. Light; the wall is as bright as a mirror and feels smooth. It can also be rolled on the wall with a roller.

[0026] According to the detection method of GB / T23763-2009, the obtained paint plate has an antib...

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Abstract

The invention relates to a visible-light nano titanium dioxide photocatalysis sterilization purification solid powder coating. The coating is characterized by comprising the following raw materials in percentage by weight: 1 to 20 percent of nano titanium dioxide with visible-light activity, 20 to 70 percent of silicate, 3 to 5 percent of gypsum powder, 5 to 10 percent of titanium pigment, 0.1 to 5 percent of powder anti-caking agent, 1 to 10 percent of curing conditioner, 1 to 10 percent of inorganic pigment and 1 to 20 percent of filling material. The pure inorganic inner-outer wall solid powder coating has good natural light photo-catalytic activity, and can effectively adsorb and decompose toxic and harmful gases, purify the air, kill bacteria and prevent mildew. The solid powder coating is easy to store and transport, and is simple in use method.

Description

technical field [0001] The invention relates to a pure inorganic environmental protection coating, in particular to a solid powder coating which has visible light catalytic activity, is bactericidal and mildew-proof, and can purify indoor and outdoor air. Background technique [0002] At present, most domestic interior decoration coatings are organic coatings, which are composed of several or more than a dozen organic components. During use, the organic components volatilize or decompose into small molecular organic compounds, such as benzene, formaldehyde and other harmful gases, which are harmful to the environment. Human health, and the production process of organic coatings is complicated, the waste of resources is serious, and it will cause direct or indirect harm to the environment and human beings. Inorganic coatings are composed of inorganic compounds, which come from natural mines and have abundant reserves. Inorganic coatings are stable, do not produce pollutants, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/24B01J21/06
Inventor 李道荣张坤峰李申李建李棕慧张洋李盼
Owner HENAN UNIVERSITY OF TECHNOLOGY
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