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Self-cleaning and heat-insulating coating and preparation method thereof

A technology for thermal insulation coatings and coatings, applied in the direction of coatings, etc., can solve the problems of affecting the decorative effect, the surface of thermal insulation coatings is easily polluted, etc., and achieve the effect of blocking heat transfer.

Active Publication Date: 2012-12-26
太原龙投富思特新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a self-cleaning heat-insulating paint and its preparation method, which can solve the problem that the surface of the heat-insulating paint is easily polluted and affects the decorative effect. It can not only effectively block heat transfer, but also photocatalyze and decompose the attached dirt. achieve self-cleaning

Method used

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  • Self-cleaning and heat-insulating coating and preparation method thereof
  • Self-cleaning and heat-insulating coating and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0038] This embodiment provides a self-cleaning heat-insulating paint, which consists of the following components:

[0039] Water-based acrylic resin: 200 grams

[0040] Water-based elastic resin: 400 grams

[0041] Titanium dioxide: 210 grams

[0042] Nano Titanium Dioxide: 20g

[0043] Silica airgel: 20 grams

[0044] Additives: 17g

[0045] Coalescing aid 33 grams

[0046] Water: 100 grams;

[0047] The additives consist of 4 grams of SN5040, 5 grams of Defom W-0506, 2 grams of triton X-405, 3 grams of BYK-333, 1 gram of NanoBYK-3840 and 2 grams of Proxel GXL.

[0048] The preparation method of this coating is as follows:

[0049] First add 5g of water, 17g of additives, and 33g of film-forming additive propylene glycol butyl ether into the dispersion tank, stir at a speed of 300-400rmp for 20-30 minutes, then add 210g of titanium dioxide, and put Disperse the system until the fineness is less than 40um, then add the remaining 95g of water, then add water-based acry...

Embodiment 2

[0051] This embodiment provides a self-cleaning heat-insulating paint, which consists of the following components:

[0052] Water-based acrylic resin: 150 grams

[0053] Water-based elastic resin: 450 grams

[0054] Titanium dioxide: 170 grams

[0055] Nano Titanium Dioxide: 50g

[0056] Silica airgel: 50g

[0057] Additives: 23 grams

[0058] Coalescing aid 7 grams

[0059] Water: 100 grams;

[0060] The additives consist of 5 grams of Tamol-731, 5 grams of BYK-24, 3 grams of OP-10, 5 grams of Tech235, 3 grams of NanoBYK-3840 and 2 grams of Proxel GX.

[0061] The preparation method of this coating is as follows:

[0062] First add 5g of water, 23g of additives, and 7g of ethylene glycol as a film-forming aid into the dispersion tank, and stir for 20 to 30 minutes at a speed of 300 to 400rmp, then add 170g of titanium dioxide, and mix it at a speed of 800 to 1000rmp Disperse the system until the fineness is less than 40um, then add the remaining 95g of water, then add w...

Embodiment 3

[0064] This embodiment provides a self-cleaning heat-insulating paint, which consists of the following components:

[0065] Water-based acrylic resin: 50 grams

[0066] Water-based elastic resin: 500 grams

[0067] Titanium dioxide: 150 grams

[0068] Nano Titanium Dioxide: 100g

[0069] Silica Airgel: 100g

[0070] Auxiliary 15g

[0071] Coalescing aid 35 grams

[0072] Water: 50 grams;

[0073] The additives consist of 3 grams of Disper A40, 3 grams of BYK-24, 2 grams of Triton X-405, 2 grams of Tech235, 3 grams of NanoBYK-3840 and 2 grams of Mergal K10N.

[0074] The preparation method of this coating is as follows:

[0075] First add 2.5g of water, 15g of additives, and 35g of Texanol, a film-forming aid, into the dispersion tank, stir for 20-30 minutes at a speed of 300-400rmp, then add 150g of titanium dioxide, and put the system at a speed of 800-1000rmp Disperse until the fineness is less than 40um, then add the remaining 47.5g of water, then add water-based ac...

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Abstract

The invention discloses a self-cleaning and heat-insulating coating and a preparation method thereof, belonging to the coating preparation field. The coating comprises the following components by mass: 5-20% of aqueous acrylic resin, 40-50% of aqueous elastic resin, 15-30% of titanium powder, 2-10% of nanometer titanium dioxide, 2-10% of silica aerogel, 0.7-3% of assistant, 0.5-10% of film-forming assistant and 5-10% of water. Due to the addition of nanometer titanium dioxide, in the coating, photocatalysis can be realized so as to decompose attached fouling, thereby achieving self-cleaning effect, and heat insulation can be realized by silica aerogel. The coating can effectively block heat transfer, and simultaneously achieve photocatalysis to decompose attached fouling so as to achieve the self-cleaning effect, thus ensuring heat insulation effect and keeping clean decorative effect of the coating for long period.

Description

technical field [0001] The invention relates to the field of paint preparation, in particular to a self-cleaning heat-insulating paint and a preparation method thereof. Background technique [0002] Anatase nano-titanium dioxide has photocatalytic properties. Due to its small particle size, the time for free electrons and holes to migrate from the interior of the particle to the surface is greatly shortened, further reducing the probability of free electrons and holes recombining. The continuous accumulation of free electrons and holes will form an electric field in the particle. Under the action of the electric field, the electrons and holes will be further separated and migrate to different positions on the particle surface. The free electrons and holes on the surface of the particles will absorb and react with water and oxygen in the air, and form hydroxyl radicals ( OH) and superoxide ion radicals ( O 2 ˉ), and these substances have a strong catalytic degradation perfor...

Claims

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Application Information

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IPC IPC(8): C09D201/00C09D133/00C09D7/12
Inventor 张仁哲刘东华
Owner 太原龙投富思特新材料科技有限公司
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