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Intelligent building coating for purifying air and preparation method of intelligent building coating

A technology for intelligent building and air purification, applied in coatings and other directions, can solve the problems of easy failure and shedding, low application efficiency, easy to agglomerate, etc., achieve good exterior decoration effect, purify atmospheric air, and overcome the effect of easy agglomeration

Inactive Publication Date: 2018-11-30
CHENDU NEW KELI CHEM SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] It can be seen that the catalysts used in the prior art for photocatalytic air purification have low application efficiency in concrete, and are prone to failure and falling off when applied in outer coatings. When used in coatings, there are disadvantages such as easy agglomeration, low efficiency, and easy loss.

Method used

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  • Intelligent building coating for purifying air and preparation method of intelligent building coating

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Add 36kg of titanium dioxide colloid with a mass concentration of 15% to 51kg of aminated polyurethane emulsion, add 13kg of large-diameter mica powder, disperse evenly, raise the temperature to 56°C for 1.5h, and then spray dry to form titanium dioxide, and mix with polyurethane and large-diameter mica The powder is assembled into spherical particles; then 26kg spherical particles are mixed with 50kg acrylic acid emulsion, 7kg cellulose, 3kg metal azo pigment, 3kg sodium dodecylbenzenesulfonate, 7kg dimethylformamide, 2kg acid phosphate amine salt, 2kg of biphenyl mixed to prepare an air-purifying smart building coating.

[0030] Test Methods:

[0031] Formaldehyde and benzene purification test: the architectural coatings prepared by the present invention are respectively coated on 10m 3 Formaldehyde test room and benzene test room, the average thickness of the coating is 0.5mm, the incandescent lamp of lx20000 is used as the light source, the test temperature is 25 ℃...

Embodiment 2

[0035] Add 30kg of titanium dioxide colloid with a mass concentration of 15% to 58kg of aminated polyurethane emulsion, add 12kg of large-diameter mica powder, disperse evenly, heat up to 50°C for 2 hours, and then spray dry to form titanium dioxide, and mix with polyurethane and large-diameter mica powder Assemble into spherical particles; then mix 20kg spherical particles with 63kg acrylic emulsion, 5kg cellulose, 2kg heterocyclic pigments, 2kg sodium dodecylbenzenesulfonate, 5kg dimethylformamide, 2kg alkylsuccinimide , 1kg o-phenylphenol mixed to prepare an intelligent building coating for air purification.

[0036] The test method is consistent with Example 1, and the obtained data are shown in Table 1.

Embodiment 3

[0038]Add 40kg of titanium dioxide colloid with a mass concentration of 15% to 45kg of aminated polyurethane emulsion, add 15kg of large-diameter mica powder, disperse evenly, heat up to 60°C for 1 hour, and then spray dry to form titanium dioxide, and mix with polyurethane and large-diameter mica powder Assembled into spherical particles; then 30kg of spherical particles and 36kg of acrylic acid emulsion, 10kg of cellulose, 5kg of fused ring ketone pigments, 4kg of sodium dodecylbenzenesulfonate, 10kg of dimethylformamide, 3kg of dimethyl sulfoxide, 2K2-Pyridinethiol-1-Zinc Oxide Mixture to Prepare Air-Cleaning Smart Architectural Coatings.

[0039] The test method is consistent with Example 1, and the obtained data are shown in Table 1.

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Abstract

The invention belongs to the technical field of building coatings, and provides an intelligent building coating for purifying air and a preparation method of the intelligent building coating. According to the method, firstly, titanium dioxide, polyurethane and large-piece-diameter mica powder are assembled for forming spherical particles, and then the spherical particles are combined with an acrylic emulsion, cellulose, organic pigment, a penetrating agent, an organic liquid, an antifreezing agent and a mildew preventive, so that the building coating is prepared. Compared with a coating prepared by a conventional method, the intelligent building coating prepared by the preparation method disclosed by the invention is provided with the nano titanium dioxide and the organic pigment which areuniformly dispersed in the coating and are firmly fixed, so that the coloring is stable, an excellent exterior decoration effect is achieved, and the titanium dioxide does not fall off. The buildingcoating has excellent photocatalytic activity, can capture pollutants in the air and degrades the pollutants, and thus has a remarkable effect of purifying atmospheric air.

Description

technical field [0001] The invention belongs to the technical field of architectural coatings and provides an intelligent architectural coating for purifying air and a preparation method thereof. Background technique [0002] With the continuous development of the construction industry, a series of problems have also been brought about during the development of buildings, such as the destruction of the environment in large quantities, the sharp reduction of natural resources and energy, and the large quantities of construction waste (solid concrete, toxic gas, etc.) emissions) and so on. These not only have a great impact on the environment but also have a great impact on people's health. Therefore, the research and development of building materials has aroused our great attention. In particular, smart materials have aroused the interest of many materials scientists. [0003] Intelligent building materials must at least be energy-saving, environmentally friendly, green, e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D7/61C09D7/65
CPCC09D133/00C08K2003/2241C09D7/61C09D7/65C09D7/70C08L1/02C08L75/04C08K3/22C08K3/34
Inventor 陈庆曾军堂
Owner CHENDU NEW KELI CHEM SCI CO LTD
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