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Environmental-protection coating

An environmentally friendly paint and coating technology, applied in coatings and other directions, can solve the problems of insignificant air purification effect and paint aging, and achieve long-lasting air purification effect, promotion of adsorption, and efficient air purification effect.

Inactive Publication Date: 2015-06-03
DALIAN LINQIAO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it has been reported that photocatalytic particles often degrade the coating itself while photocatalytically degrading organic pollutants in the air, resulting in obvious aging phenomenon of the coating; on the other hand, adding adsorption particles and photocatalytic Particles, often due to the adsorption saturation of adsorptive particles and photocatalytic particles and the limit of photocatalytic degradation, the air purification effect is not obvious

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of environmental protection coating, described environmental protection coating is made up of following components by mass percentage:

[0022] Fluorocarbon emulsion 45%

[0023] Ethanol 35%

[0024] Propylene Glycol 2%

[0025] SiO 2 Airgel Particles 5%

[0026] TiO 2 Particles 5%

[0027] Auxiliary 2%

[0028] Water 6%.

[0029] The auxiliary agents are dispersants, film-forming aids, defoamers, leveling agents, wetting agents and thickeners.

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PUM

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Abstract

The invention relates to an environmental-protection coating, and belongs to the energy-saving and environmental-protection technical field; the environmental-protection coating includes SiO2 aerogel particles and TiO2 particles, the SiO2 aerogel particles account for 1-10% of the total mass of the coating, and the TiO2 particles account for 1-10% of the total mass of the coating; formaldehyde adsorption / photocatalytic degradation experimental test results show that when the coating contains 2.5-5.0% of particles with high adsorption and photocatalytic activity, and after the adsorption / photocatalytic degradation is carried out for 5-6 h, the concentration of formaldehyde in a system is reduced from 0.39 mg / m<3> to the final 0.04-0.05 mg / m<3>, and the adsorption / photocatalytic degradation rate reaches 79.49-89.74%.

Description

technical field [0001] The invention relates to an environmental protection coating, which belongs to the technical field of energy saving and environmental protection. Background technique [0002] With the improvement of people's living standards and the extensive use of building decoration materials, more and more people have gradually paid attention to the health problems of the indoor air environment on the human body. Therefore, environmentally friendly functional architectural coatings have also attracted more and more attention. For example, patent ZL 02810799.3 invented a photocatalytic coating with photocatalytic activity and adsorption properties, in which the adsorbent is mainly magnesium or calcium silicate or diatomaceous earth, and the photocatalyst is TiO 2 Or ZnO-based, the coating itself is a solvent-based coating. Patent ZL 200510011793.8 provides a nitrogen-doped nano-titanium dioxide modified photocatalytic coating, which introduces nitrogen-doped nano-...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D125/14C09D7/12
CPCC09D127/12C08K3/22C08K3/36C08K2003/2241C09D7/61C09D125/14C09D133/04
Inventor 宋佳轩
Owner DALIAN LINQIAO TECH