A kind of graphene heat dissipation coating and its preparation method and application

A technology of heat-dissipating coatings and graphene, applied in polyester coatings, epoxy resin coatings, coatings, etc., can solve the problems of heat conduction and heat dissipation, and achieve the effects of improving heat dissipation, strengthening heat dissipation, and high cost

Active Publication Date: 2017-10-10
SHENZHEN GUOCHUANG JIAWEI GRAPHENE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] One of the objectives of the present invention is to provide a graphene heat dissipation coating to solve the problem of difficult heat conduction and heat dissipation in electronic products in the prior art

Method used

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  • A kind of graphene heat dissipation coating and its preparation method and application
  • A kind of graphene heat dissipation coating and its preparation method and application
  • A kind of graphene heat dissipation coating and its preparation method and application

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preparation example Construction

[0045] Correspondingly, the embodiment of the present invention also provides a kind of preparation method of graphene heat dissipation coating, it comprises following preparation steps:

[0046] S01, take each component according to above-mentioned graphene heat-dissipating paint formula;

[0047] S02, mixing and stirring the polymer resin, graphene, one-dimensional carbon nanomaterial, inert solvent and dispersant to obtain a mixed material, and then grinding and dispersing the mixed material to prepare a graphene heat dissipation slurry;

[0048] S03. Add the heat-conducting metal powder, defoamer and inert solvent into the graphene heat-dissipating slurry, and mix uniformly to prepare the graphene heat-dissipating coating.

[0049] Specifically, in the above step S01, the components or preferred components are selected according to the above coating formulation, weighed separately, and ready for use.

[0050]In the above step S02, a stirrer can be selected (the control sp...

Embodiment 1

[0058] In parts by weight, 40 parts of saturated polyester resin (New Pace saturated polyester resin 173), 30 parts of bisphenol A type epoxy resin (E-20, Nanya brand 901 epoxy resin), 30 parts of melamine formaldehyde resin (methyl ether Amino resin 5717) 10 parts, graphene 15 parts, carbon nanofiber (Showa Denko VGCF) 8 parts, thermal conductive metal powder (silver-coated copper powder, spherical ≤10μm) 8 parts, dispersant (polyurethane AFCONA-4010) 4 parts, 2 parts of defoamer (organic silicon AFCONA-2501), 50 parts of propylene glycol methyl ether acetate, 50 parts of butyl acetate.

[0059] (1) Get 15 parts of graphene, dry (100 DEG C bake 2h) in vacuum drying box and remove moisture;

[0060] (2) 40 parts of saturated polyester resin, 30 parts of bisphenol A type epoxy resin, 10 parts of melamine formaldehyde resin, 15 parts of graphene, 8 parts of carbon nanofiber, 4 parts of dispersant, 50 parts of propylene glycol methyl ether acetate Mix and add to the mixer, contr...

Embodiment 2

[0064] In parts by weight, 40 parts of thermosetting acrylic resin (thermosetting acrylic resin 7205, Changxing resin), 30 parts of bisphenol A epoxy resin (E-20, Nanya brand 901 epoxy resin), melamine formaldehyde resin (isobutyl Etherified amino resin 138) 10 parts, graphene 15 parts, carbon nanofiber (Showa Denko VGCF) 8 parts, thermal conductive metal powder 8 parts (silver-coated copper powder, spherical ≤ 10 μm), dispersant (polyurethane AFCONA-4010) 4 parts, 2 parts of defoamer (AFCONA-2501), 50 parts of propylene glycol methyl ether acetate, 50 parts of butyl acetate.

[0065] (1) Get 15 parts of graphene, dry (100 DEG C bake 2h) in vacuum drying box and remove moisture;

[0066] (2) Mix 40 parts of thermosetting acrylic resin, 30 parts of bisphenol A epoxy resin, 10 parts of melamine formaldehyde resin, 15 parts of graphene, 8 parts of carbon nanofiber, 8 parts of dispersant, and 50 parts of propylene glycol methyl ether acetate Add in a mixer, control the speed at 1...

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Abstract

The invention discloses a graphene heat dissipation coating, which comprises the following components in parts by weight: polymer resin: 40-80 parts; graphene: 5-15 parts; one-dimensional carbon nanomaterial: 1-8 parts; heat conduction Metal powder: 1-8 parts; Dispersant: 0.5-5 parts; Defoamer: 0.5-5 parts; Inert solvent: 100-200 parts; The heat-conducting metal powder is at least selected from silver powder, copper powder and aluminum powder One, and the particle size is 1‑20 μm, the above-mentioned coating has good heat dissipation and heat conduction function. The invention also discloses the preparation method of the graphene heat-dissipating coating, which mainly includes stirring, grinding and remixing processes, and has simple operation and low cost. The above-mentioned graphene heat dissipation coating is mainly used in the heat dissipation of daily electronic products because of its good heat conduction and heat dissipation functions, and can also be used in aerospace electronic devices with higher requirements.

Description

technical field [0001] The invention relates to a graphene heat dissipation coating, in particular to a novel structured graphene heat dissipation coating and its preparation method and application. Background technique [0002] With the development of science and technology, electronic products are developing toward miniaturization, light weight, and high power. Electronic products tend to generate a lot of heat during operation. Working under high temperature conditions will seriously affect the working stability, safety and reliability of electronic products. At present, in order to enhance the heat dissipation effect of radiators for electronic products, the main method is to change the structure and material of radiators for electronic products to achieve the purpose of improving the heat dissipation effect. However, these methods are troublesome to process, high in cost, and the heat dissipation effect is not ideal. . The emergence of heat-dissipating functional coat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/00C09D167/00C09D163/00C09D161/20C09D7/12
Inventor 慈立杰姜宗清刘克丁显波王凤鸣茆胜
Owner SHENZHEN GUOCHUANG JIAWEI GRAPHENE TECH CO LTD
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