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Radiation heat dissipating coating and preparation method thereof

A radiation heat dissipation and coating technology, applied in the direction of epoxy resin coatings, coatings, etc., can solve the problems of low coating life, unsatisfactory heat dissipation effect, and low bonding strength, etc., to improve electrical conductivity, thermal conductivity, and radiation Effect of cooling surface area

Inactive Publication Date: 2019-06-11
广州埃烯特种涂料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heat dissipation effect of the existing radiation heat dissipation coatings is not ideal. In addition, the problem of low bonding strength between the heat dissipation coatings and the material matrix used leads to the low service life of the coatings, which needs to be solved urgently.

Method used

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  • Radiation heat dissipating coating and preparation method thereof
  • Radiation heat dissipating coating and preparation method thereof
  • Radiation heat dissipating coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] A kind of radiation heat dissipation coating, its component distribution ratio is as follows by mass parts:

[0055] 50 parts of acetone, 60 parts of methyl ethyl ketone, 95 parts of cyclohexanone, 15 parts of graphene microcrystal, 100 parts of bisphenol A epoxy resin E-51, 1.6 parts of BYK-180, 1.6 parts of BYK-066N, D.E.H.52 9 Parts, XZ 92441.01 15 parts, white carbon black 5 parts.

[0056] Its preparation method comprises the following steps:

[0057] 1) Add the above-mentioned solvent (acetone, methyl ethyl ketone, cyclohexanone), graphene microcrystals and epoxy resin into the high-speed disperser, control the speed of the high-speed disperser to be 1600rpm, and stir for 1h to obtain a mixed solution;

[0058] 2) Add other components to the mixed solution in the above-mentioned high-speed disperser in turn, control the speed of the high-speed disperser to 3000 rpm, and stir for 1 hour to obtain a radiation heat-dissipating coating.

[0059] The same method as i...

Embodiment 2

[0061] A kind of radiation heat dissipation coating, its component distribution ratio is as follows by mass parts:

[0062] 45 parts of acetone, 60 parts of methyl ethyl ketone, 100 parts of cyclohexanone, 16 parts of graphene microcrystal, 120 parts of bisphenol A epoxy resin E-51, 1.5 parts of BYK-180, 1.5 parts of BYK-066N, D.E.H.52 8 Parts, XZ 92441.01 12 parts, white carbon black 6 parts.

[0063] Its preparation method comprises the following steps:

[0064] 1) Add the above-mentioned solvent (acetone, methyl ethyl ketone, cyclohexanone), graphene microcrystals and epoxy resin into the high-speed disperser, control the speed of the high-speed disperser to be 1600rpm, and stir for 1h to obtain a mixed solution;

[0065] 2) Add other components to the mixed solution in the above-mentioned high-speed disperser in turn, control the speed of the high-speed disperser to 3000 rpm, and stir for 1 hour to obtain a radiation heat-dissipating coating.

[0066] The same method as ...

Embodiment 3

[0068] A kind of radiation heat dissipation coating, its component distribution ratio is as follows by mass parts:

[0069] 45 parts of acetone, 60 parts of methyl ethyl ketone, 100 parts of cyclohexanone, 18 parts of graphene microcrystal, 115 parts of bisphenol A epoxy resin E-51, 1.5 parts of BYK-180, 1.5 parts of BYK-066N, D.E.H.52 8 parts, XZ 92441.01 10 parts, white carbon black 6 parts.

[0070] Its preparation method comprises the following steps:

[0071] 1) Add the above-mentioned solvent (acetone, methyl ethyl ketone, cyclohexanone), graphene microcrystals and epoxy resin into the high-speed disperser, control the speed of the high-speed disperser to be 1600rpm, and stir for 1h to obtain a mixed solution;

[0072] 2) Add other components to the mixed solution in the above-mentioned high-speed disperser in turn, control the speed of the high-speed disperser to 3000 rpm, and stir for 1 hour to obtain a radiation heat-dissipating coating.

[0073] The same method as ...

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Abstract

The invention relates to a radiation heat dissipating coating and a preparation method thereof. The radiation heat dissipating coating is composed of the following components in parts by mass: 100 parts of solvent, 2-20 parts of graphene crystallites, 48-200 parts of epoxy resin, 0.5-5 parts of dispersing agent, 0.5-5 parts of antifoaming agent, 2-20 parts of curing agent, and 2-10 parts of auxiliary agent, wherein the auxiliary agent is one or a mixture of two of diatomaceous earth and white carbon black. The heat dissipating coating provided by the invention has extremely excellent thermal conductivity, and the physical and chemical properties of a film formed by solidifying of the coating, such as hardness, adhesion, salt spray resistance, acid and alkali resistance and water resistance, are good, the heat conduction efficiency of electronic components can be significantly improved, and the market prospects are broad.

Description

technical field [0001] The invention belongs to the field of radiation heat dissipation coatings, in particular to a graphene-containing epoxy resin radiation heat dissipation coating and a preparation method thereof. Background technique [0002] Heat dissipation coating is a special functional coating that improves the heat dissipation efficiency of the surface of the object and reduces the temperature of the system. The heat dissipation methods mainly include conduction heat dissipation, convective heat dissipation, radiation heat dissipation, and evaporation heat dissipation. Radiation heat dissipation coatings are used in electronic devices, power devices, heat exchangers, industrial equipment and other fields, which help to improve the safety and service life of the coated equipment. In addition to the high thermal conductivity of the coating, the radiation heat dissipation coating also needs to increase the blackness and surface area of ​​the coating surface, so as to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/61
Inventor 张敏聂长华王迎黄晓明涂鹏毅范国强
Owner 广州埃烯特种涂料科技有限公司
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