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Preparation method of self-cleaning wall and self-cleaning coating of self-cleaning wall

A self-cleaning coating and self-cleaning technology, applied in coatings, walls, insulation layers, etc., can solve the problems of reducing the photocatalytic activity of titanium dioxide films, uneven dispersion of nano-titanium dioxide, and affecting the self-cleaning effect of products, etc., to achieve visible light response Enhance, broaden the photoresponse range, improve the effect of photocatalytic efficiency

Active Publication Date: 2018-10-30
ZHEJIANG RUNYANG NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, nano-titanium dioxide has a large specific surface area, high surface energy, and a hydrophilic and oleophobic surface. It is very easy to agglomerate in the polymer. The agglomeration will greatly reduce the performance of titanium dioxide, reduce the photocatalytic activity of the titanium dioxide film, and then affect the self-cleaning ability.
The publication number is CN105111401A, which discloses a nano-titanium dioxide self-cleaning coating, but the dispersion of nano-titanium dioxide in this coating is not uniform enough, and it is easy to agglomerate, which affects the self-cleaning effect of the product

Method used

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  • Preparation method of self-cleaning wall and self-cleaning coating of self-cleaning wall
  • Preparation method of self-cleaning wall and self-cleaning coating of self-cleaning wall
  • Preparation method of self-cleaning wall and self-cleaning coating of self-cleaning wall

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A kind of self-cleaning wall, comprising first block layer 1, sound insulation layer, second block layer 2, fire prevention layer 4 and self-cleaning layer 5 in turn, sound insulation layer comprises sound insulation body 31, is located in the sound insulation body 31 A plurality of sound insulation boards 32, a plurality of sound insulation boards 32 divide the inner cavity of the sound insulation body 31 into a plurality of accommodating cavities, a vacuum bag 34 is arranged in the accommodating cavity, and a vacuum bag 34 is arranged between the inner wall of the accommodating cavity There is a sound-insulating sponge pad 35, and the self-cleaning layer 5 is a nano-titanium dioxide self-cleaning coating. The composition of the above-mentioned self-cleaning layer 5 is: in parts by mass, its raw materials include the following components:

[0038] Boron and nitrogen doped modified nano titanium dioxide 1.5

[0039] tert-butyl methacrylate 15

[0040] Sodium Lauryl Su...

Embodiment 2

[0048] A kind of self-cleaning wall, comprising first block layer 1, sound insulation layer, second block layer 2, fire prevention layer 4 and self-cleaning layer 5 in turn, sound insulation layer comprises sound insulation body 31, is located in the sound insulation body 31 A plurality of sound insulation boards 32, a plurality of sound insulation boards 32 divide the inner cavity of the sound insulation body 31 into a plurality of accommodating cavities, a vacuum bag 34 is arranged in the accommodating cavity, and a vacuum bag 34 is arranged between the inner wall of the accommodating cavity There is a sound-insulating sponge pad 35, and the self-cleaning layer 5 is a nano-titanium dioxide self-cleaning coating. The composition of the above-mentioned self-cleaning layer 5 is: in parts by mass, its raw materials include the following components:

[0049] Boron and nitrogen doped modified nano-titanium dioxide 3

[0050] Hydroxyethyl Acrylate 25

[0051] Tween 80 6

[0052]...

Embodiment 3

[0059] A kind of self-cleaning wall, comprising first block layer 1, sound insulation layer, second block layer 2, fire prevention layer 4 and self-cleaning layer 5 in turn, sound insulation layer comprises sound insulation body 31, is located in the sound insulation body 31 A plurality of sound insulation boards 32, a plurality of sound insulation boards 32 divide the inner cavity of the sound insulation body 31 into a plurality of accommodating cavities, a vacuum bag 34 is arranged in the accommodating cavity, and a vacuum bag 34 is arranged between the inner wall of the accommodating cavity There is a sound-insulating sponge pad 35, and the self-cleaning layer 5 is a nano-titanium dioxide self-cleaning coating. The composition of the above-mentioned self-cleaning layer 5 is: in parts by mass, its raw materials include the following components:

[0060] Boron and nitrogen doped modified nano titanium dioxide 2

[0061] 2-ethyl acrylate 20

[0062] Polyoxyethylene sorbitan ...

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Abstract

The invention belongs to the technical field of the architecture, and relates to a self-cleaning wall and a preparation method for a self-cleaning coating of the self-cleaning wall. The self-cleaning wall successively comprises a first building block layer, a sound insulating layer, a second building block layer, a fire-proofing layer and a self-cleaning layer. The sound insulating layer comprises a sound insulating body, a plurality of sound insulating boards positioned in the sound insulating body. The cavity of the sound insulating body is divided to be a plurality of containing cavities by a plurality of the sound insulating boards. Vacuum bags are installed in the containing cavities. A sound insulating sponge pad is filled in the clearance between the vacuum bag and the wall of the containing cavity. The self-cleaning layer is the nanometer titania self-cleaning coating. The self-cleaning wall has the advantages of good sound insulating effect and strong self-cleaning capacity.

Description

technical field [0001] The invention belongs to the technical field of buildings, and in particular relates to a self-cleaning wall and a self-cleaning coating preparation method. Background technique [0002] With the rapid development of my country's construction industry, building walls are favored by architects because of their advantages such as windproof, rainproof, heat preservation, heat insulation, noise prevention, air penetration resistance and decoration. But the way it's cleaned hasn't changed in any way. Manual cleaning is neither convenient nor safe. In addition, long-term use of cleaning agents not only wastes resources, but also pollutes the environment, which is not in line with the current environmental protection and conservation policies advocated by the state. Therefore, research on the preparation of self-cleaning building walls has become a hot topic. [0003] Studies have shown that titanium dioxide has functions such as superhydrophilicity, photoca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/10C09D133/14C09D133/08C09D133/12C09D7/62E04B2/00E04B1/82E04F13/02
CPCC08K3/22C08K9/06C08K9/10C08K2003/2241C08K2201/011C09D133/08C09D133/10C09D133/12C09D133/14E04B1/82E04B2/00E04B2001/8263E04B2001/829E04F13/02
Inventor 张镤
Owner ZHEJIANG RUNYANG NEW MATERIAL TECH