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A kind of graphene conductive thermal conductive coating and preparation method thereof

An electrical and thermal conductivity, graphene technology, applied in the field of materials, can solve the problems of low service life, poor bonding performance between paint and substrate, low electrical and thermal conductivity, etc., and achieves good anti-rust performance, high bonding strength, and good corrosion resistance. Effect

Active Publication Date: 2020-06-05
中山励诺包装制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The purpose of the present invention is to provide a graphene conductive and thermally conductive coating and a preparation method thereof in order to overcome the problems of poor bonding performance between the current coating and the substrate, low service life, and low electrical and thermal conductivity.

Method used

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  • A kind of graphene conductive thermal conductive coating and preparation method thereof

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Embodiment 1

[0047] The graphene conductive and thermally conductive coating described in this embodiment is composed of the following components by weight: 1 part of graphene, 2 parts of carbon nanotubes, 2 parts of sodium silicate, 1 part of paint oil, 1 part of tung oil, and 0.3 part of maleic anhydride , 3 parts of dispersant sodium lignosulfonate, 1 part of acrylic resin, 0.05 part of cobalt drier, 1 part of silane coupling agent, 0.2 part of silicon dioxide, 0.2 part of compound auxiliary ethylene glycol, 0.5 part of lignocellulose , 1.5 parts of zeolite powder, 1 part of thermally conductive metal silver powder, and 40 parts of 60% ethanol.

[0048] A method for preparing a graphene conductive and thermally conductive coating, specifically comprising the following steps:

[0049] (1) Add lacquer oil, tung oil, maleic anhydride and acrylic resin respectively and heat to 65°C, 500r / min and stir evenly for 20min, keep warm for later use;

[0050] (2) Graphene, carbon nanotubes, sodium...

Embodiment 2

[0055] The graphene conductive and thermally conductive paint described in this embodiment is composed of the following components by weight: 10 parts of graphene, 5 parts of carbon nanotubes, 5 parts of sodium silicate, 3 parts of paint oil, 3 parts of tung oil, and 1.5 parts of maleic anhydride , 5 parts of dispersant sodium lauryl sulfate, 3 parts of acrylic resin, 0.5 part of zinc drier, 3 parts of titanate coupling agent, 1 part of silicon dioxide, 1 part of compounding aid 1,2-propanediol, 2 parts of hydroxypropyl methylcellulose, 2 parts of zeolite powder, 8 parts of thermally conductive metal copper powder, 60 parts of 80% ethanol.

[0056] A method for preparing a graphene conductive and thermally conductive coating, specifically comprising the following steps:

[0057] (1) Add lacquer oil, tung oil, maleic anhydride and acrylic resin respectively and heat to 75°C, stir evenly at 1000r / min for 40min, keep warm for later use;

[0058] (2) Graphene, carbon nanotubes, s...

Embodiment 3

[0063] The graphene conductive and thermally conductive paint described in this embodiment is composed of the following components by weight: 5 parts of graphene, 3 parts of carbon nanotubes, 3 parts of sodium silicate, 2 parts of paint oil, 2 parts of tung oil, and 1 part of maleic anhydride , 4 parts of dispersant (sodium lignosulfonate, sodium lauryl sulfate, mass ratio 3:1), 2 parts of acrylic resin, composite drier (cobalt drier, zinc drier, mass ratio 1: 1) 0.2 part, 2 parts of silane coupling agent, 0.6 part of silicon dioxide, 0.6 part of composite auxiliary agent 1,3-propanediol, 1.3 part of sodium carboxymethyl cellulose, 1.8 part of zeolite powder, 4 parts of thermally conductive metal aluminum powder, 50 parts of 70% ethanol.

[0064] A method for preparing a graphene conductive and thermally conductive coating, specifically comprising the following steps:

[0065] (1) Add lacquer oil, tung oil, maleic anhydride and acrylic resin respectively and heat to 70°C, 800...

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Abstract

The invention discloses a graphene electricity and heat conductive coating and a preparation method thereof. The graphene electricity and heat conductive coating is composed of the following components in parts by weight: 1-10 parts of graphene, 2-5 parts of carbon nano tubes, 2-5 parts of sodium silicate, 1-3 parts of paint oil, 1-3 parts of tung oil, 0.3-1.5 parts of maleic anhydride, 3-5 partsof a dispersing agent, 1-3 parts of acrylic resin, 0.05-0.5 part of a composite drier, 1-3 parts of a coupling agent, 0.2-1 part of silicon dioxide, 0.2-1 part of a composite additive, 0.5-2 parts ofmodified cellulose, 1.5-2 parts of zeolite powder, 1-8 parts of heat-conducting metal powder and 40-60 parts of ethanol. The graphene electricity and heat conductive coating prepared by spraying and printing can be applied to the fields of semiconductor materials, conductive and heat-conducting composite materials and the like, and has relatively strong application value.

Description

technical field [0001] The invention relates to the technical field of materials, in particular to a graphene conductive and thermally conductive coating and a preparation method thereof. Background technique [0002] Coating is a kind of solid film that is coated on the surface of the object with different construction techniques to form a solid film with firm adhesion, certain strength and certain strength. The film thus formed is generally called a coating film, also known as a paint film or a coating. "Coatings have protective functions, decorative functions and other basic functions. With the development of the times, the requirements for coatings are also getting higher and higher. With the increasing emphasis on environmental issues and energy issues on a global scale, traditional coatings have been unable to meet Realistic demands, environmentally friendly coatings and multi-functional coatings are the direction that countries in the world are currently developing. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D4/06C09D5/24C09D5/10C09D5/16C09D7/61
CPCC09D4/06C09D5/10C09D5/103C09D5/1687C09D5/18C09D5/24
Inventor 周亚君黄振雄
Owner 中山励诺包装制品有限公司
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