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Infrared radiation insulating coating as well as paint and preparation method thereof

A coating and coating technology, applied in the field of infrared radiation insulating coating and its coating and preparation, can solve the problems of poor thermal conductivity, low radiation efficiency, and low radiation power of the insulating coating, achieve less thermal interface, enhance thermal radiation and Heat transfer efficiency, high degree of industrialization effect

Active Publication Date: 2020-09-11
天津单从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

[0004] An object of the present invention is to overcome the deficiencies of the prior art, to provide a multi-stage infrared heating coating coated on the surface of the electrothermal material and realize high-efficiency infrared radiation, which uses an insulating polyaluminosilicate layer as the bottom layer, The insulating silicon carbide layer is used as an intermediate layer, which solves the problems of poor heat conduction, low heat dissipation efficiency, and poor temperature resistance of insulating coatings in the prior art, as well as low radiation efficiency and low radiation power of indirect radiation.

Method used

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  • Infrared radiation insulating coating as well as paint and preparation method thereof
  • Infrared radiation insulating coating as well as paint and preparation method thereof
  • Infrared radiation insulating coating as well as paint and preparation method thereof

Examples

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Effect test

Embodiment 1

[0025] The invention provides a method for preparing a multi-stage infrared radiation heating coating, which specifically includes the following steps:

[0026] (1) The graphene oxide solution with a concentration of 0.1 mg / mL was sprayed at 200°C, and reduced by HI at 80°C for 8 hours to prepare spherical graphene.

[0027] The scanning electron microscope test proves that the spherical graphene is finally obtained, and the I of the spherical graphene is detected by Raman detection. D / I G The value is 1.1, and its scale is 1 μm, and the wall thickness of spherical graphene is 2 atomic layers.

[0028] (2) Take the above-mentioned 1 weight part of spherical graphene and 0.02 weight part of polyimide with a molecular weight of 2000, 4 weight parts of feldspar nanopowder, 0.5 weight part of a molecular weight of 9800, a hyperbranched carbosilane with a degree of branching of 1.1, and 0.1 parts by weight of dicumyl peroxide were mixed uniformly to obtain a mixed coating.

[0...

Embodiment 2

[0034] A method for preparing a multi-stage infrared radiation heating coating, specifically comprising the following steps:

[0035] (1) The graphene oxide solution with a concentration of 1 mg / mL was sprayed at 180°C, and reduced by HI at 100°C for 2 hours to prepare spherical graphene.

[0036] It is proved by SEM detection that spherical highly wrinkled graphene is finally obtained, and by Raman detection, the I of the spherical graphene D / I G The value is 0.8, and its scale is 3 μm, and the wall thickness of spherical graphene is 4 atomic layers.

[0037] (2) Take the above-mentioned 1 weight part of spherical graphene and 0.12 weight part of pitch with a molecular weight of 10000, 1 weight part of mica nanopowder, 2 parts by weight of hyperbranched carbosilane with a molecular weight of 8000 and a degree of branching of 2 and 0.1 part by weight of hyperbranched carbosilane The oxidized benzoic acid is mixed uniformly to obtain a mixed paint.

[0038] (3) The mixed pa...

Embodiment 3

[0042] A method for preparing a multi-stage infrared radiation heating coating, specifically comprising the following steps:

[0043] (1) Graphene oxide with a concentration of 0.1 mg / mL was sprayed at 220°C, and reduced by HI at 90°C for 4 hours to prepare spherical graphene.

[0044] It is proved by SEM detection that multi-fold spherical graphene is finally obtained, and by Raman detection, the I of the spherical graphene D / I G The value is 0.8, and its scale is 2 μm, and the wall thickness of spherical graphene is 3 atomic layers.

[0045] (2) Take the above-mentioned 1 weight part of spherical graphene and 0.1 weight part of polyacrylonitrile with molecular weight of 10000, 2 weight parts of kaolin nanopowder, 1 weight part of hyperbranched carbosilane with molecular weight of 8000, branching degree of 1.6 and 0.05 weight part Parts of 2,5-dimethyl-2,5 bis(tert-butylperoxy)hexane were mixed uniformly to obtain a mixed paint.

[0046] (3) Spray the mixed paint obtained...

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Abstract

The invention discloses an infrared radiation insulating coating and paint and a preparation method thereof. The infrared heating coating is mainly prepared from the following components in parts by weight: 1 part of spherical graphene, 0.02 to 0.12 part of graphitizable macromolecular oligomer, 1 to 4 parts of polyaluminosilicate, 0.5 to 2 parts of hyperbranched carbosilane and 0.01 to 0.1 part of peroxide cross-linking agent. According to the infrared heating coating, by means of the corrugated structure of spherical graphene, under the cohesion and combination effect of macromolecules, theinsulation effect of an insulation aluminum-silicon compound and the cooperation of small-molecule high-radiation inorganic particles, the multi-stage infrared heating is achieved. By means of the infrared heating coating, the heating efficiency is greatly improved; meanwhile, in the field of infrared radiation heating, the comfort of a human body is improved, and the energy consumption is greatlyreduced.

Description

technical field [0001] The invention belongs to the technical field of new nanometer materials, and in particular relates to an infrared radiation insulating coating, a coating and a preparation method thereof. Background technique [0002] With the development of society, human beings are more and more dependent on energy, but with the gradual consumption of fossil energy, the cost of energy is getting higher and higher. Therefore, it is imminent to use energy more efficiently in human life and production activities. At the same time, people have higher and higher requirements for the quality of production and life. Under the same energy conditions, comfort has become the first choice. [0003] The existing infrared radiation heating coating, in order to achieve insulation performance, is usually equipped with a polymer insulating layer. Due to the limitation of the material of the polymer insulating layer itself, on the one hand, it has poor thermal conductivity (thermal c...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D5/25
CPCC09D1/00C09D5/00
Inventor 王良方晓王纪乾
Owner 天津单从新材料科技有限公司
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