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A kind of infrared radiation insulation coating and its coating and preparation method

A coating and coating technology, which is applied in the field of infrared radiation insulating coating and its coating and preparation, can solve the problems of poor thermal conductivity, low radiation power, and low heat dissipation efficiency of the insulating coating, and achieves less thermal interface, high degree of industrialization, The effect of enhancing the heating effect

Active Publication Date: 2021-10-26
天津单从新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • A kind of infrared radiation insulation coating and its coating and preparation method
  • A kind of infrared radiation insulation coating and its coating and preparation method
  • A kind of infrared radiation insulation coating and its coating and preparation method

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

[0029] (3) The mixed ...

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

[0038] (3) The mixed paint obtained in step (2) is ce...

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

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

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Abstract

The invention discloses an infrared radiation insulating coating and its coating and preparation method. The infrared heating coating mainly consists of 1 weight part of spherical graphene, 0.02-0.12 weight part of graphitizable polymer oligomer, 1-4 weight part It consists of polyaluminosilicate, 0.5-2 parts by weight of hyperbranched carbosilane and 0.01-0.1 part of peroxide crosslinking agent. The infrared heating coating utilizes the wrinkled structure of spherical graphene to realize multi-stage infrared heating under the coagulation and bonding of polymers, the insulation of insulating aluminum-silicon compounds, and the cooperation of small-molecule high-radiation inorganic particles. The infrared heating coating of the invention greatly improves the heating efficiency, and at the same time increases the comfort of the human body in the field of infrared radiation heating, and at the same time greatly reduces energy consumption.

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] Existing infrared radiation heating coatings, in order to achieve insulation performance, are 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 con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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