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Graphene heat-conduction anticorrosion paint and preparation method thereof

A technology of anti-corrosion coatings and graphene, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of increasing the amount of thermally conductive fillers and reducing the corrosion resistance of coatings, so as to improve thermal conductivity and corrosion resistance The effect of improved performance, uniformity and compactness

Active Publication Date: 2017-05-17
BEIJING GUODIAN FUTONG SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The traditional method is to add thermally conductive fillers to the coating to improve the thermal conductivity of the coating. Therefore, in order to obtain a coating with higher thermal conductivity, it is necessary to increase the amount of thermally conductive fillers, but this leads to a decrease in the corrosion resistance of the coating.

Method used

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  • Graphene heat-conduction anticorrosion paint and preparation method thereof

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Effect test

Embodiment 1

[0047] A kind of graphene heat conduction anticorrosion coating, is made up of the component of following parts by weight: 1 weight part graphene (C / O mol ratio is 7), 25 weight parts epoxy resin E51, 14 weight parts aluminum powder (300 orders) , 0.5 parts by weight of aminoethyl disiloxane, 0.5 parts by weight of polyether modified silicone oil, 5 parts by weight of styrene-butadiene-styrene block copolymer, 10 parts by weight of butanediol glycidyl ether and two A mixed solution of toluene (mass ratio 1:1).

[0048] The preparation method of the above graphene thermally conductive anticorrosion coating comprises the following steps:

[0049] (1) Adopt the improved Hummer method to prepare graphene oxide, utilize the ascorbic acid of environmental protection as reducing agent to obtain reduced graphene oxide, namely graphene;

[0050] (2) each component of above-mentioned ratio according to epoxy resin E51, graphene, aluminum powder, styrene-butadiene-styrene block copolyme...

Embodiment 2

[0055] A kind of graphene heat conduction anticorrosion coating, is made up of the component of following parts by weight: 5 parts by weight graphene (C / O mol ratio is 9.27), 30 parts by weight epoxy resin E44, 5 parts by weight aluminum powder (300 orders) , 10 parts by weight of calcium carbonate (800 mesh), 10 parts by weight of talcum powder (800 mesh), 1 part by weight of KH550, 1 part by weight of polyether modified silicone oil, 7 parts by weight of styrene-isoprene-styrene embedded segment copolymer, a mixed solution of 12 parts by weight of butanediol glycidyl ether and xylene (mass ratio 1:2).

[0056] The preparation method of the above graphene thermally conductive anticorrosion coating comprises the following steps:

[0057] (1) Adopt the improved Hummer method to prepare graphene oxide, utilize the ascorbic acid of environmental protection as reducing agent to obtain reduced graphene oxide, namely graphene;

[0058] (2) each component of above-mentioned proporti...

Embodiment 3

[0062] A kind of graphene heat conduction anticorrosion coating, is made up of the component of following parts by weight: 10 parts by weight graphene (C / O mol ratio is 9.27), 50 parts by weight epoxy resin E44, 10 parts by weight aluminum powder (300 orders) , 10 parts by weight of barium sulfate (1400 mesh), 10 parts by weight of talcum powder (800 mesh), 2 parts by weight of KH550, 2 parts by weight of polyether modified silicone oil, 15 parts by weight of styrene-isoprene-styrene embedded Segment copolymer, a mixed solution of 20 parts by weight of butanediol glycidyl ether and xylene (mass ratio 1:4).

[0063] The preparation method of the above graphene thermally conductive anticorrosion coating comprises the following steps:

[0064] (1) Adopt the improved Hummer method to prepare graphene oxide, utilize the ascorbic acid of environmental protection as reducing agent to obtain reduced graphene oxide, namely graphene;

[0065] (2) each component of above-mentioned ratio...

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Abstract

The invention discloses a graphene heat-conduction anticorrosion paint and a preparation method thereof, which belong to the field of paint preparation. The heat-conduction anticorrosion paint comprises the following components by mass percentage: 1-10 parts of graphene, 20-50 parts of epoxy resin, 15-30 parts of a basic filling material, 0.5-2 parts of a coupling agent, 0.5-2 parts of an antifoaming agent, 5-15 parts of a dispersant, and 5-20 parts of a solvent. The invention also discloses the method for preparing the graphene heat-conduction anticorrosion paint. Compared with the prior art, the graphene heat-conduction anticorrosion paint has excellent heat conduction performance and anticorrosion performance, and the preparation method of the graphene heat-conduction anticorrosion paint has the advantages of simple process, low cost, and wide application value.

Description

technical field [0001] The invention relates to a coating and a preparation method thereof, in particular to a graphene heat-conducting anticorrosion coating and a preparation method thereof. Background technique [0002] Under normal circumstances, anti-corrosion coatings do not conduct heat, but in some special working conditions, not only excellent anti-corrosion performance is required, but also good thermal conductivity. The traditional method is to add thermally conductive fillers to the coating to improve the thermal conductivity of the coating. Therefore, in order to obtain a coating with higher thermal conductivity, it is necessary to increase the amount of thermally conductive fillers, but this leads to a decrease in the corrosion resistance of the coating. . The thermal conductivity and corrosion resistance of coatings are a pair of contradictions and restrict each other. [0003] Graphene is a new type of two-dimensional nanosheet material, which is composed of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/08C09D5/10C09D7/12
CPCC08K2201/014C08L2205/03C09D5/08C09D5/103C09D7/61C09D7/63C09D7/65C09D7/70C09D163/00C08L83/12C08L53/02C08K13/04C08K7/00C08K3/04C08K2003/0812C08K5/544C08K3/34
Inventor 吴刘锁赵悦菊滕济林苗文华李惠宇王国刚王建辉郑永立李星伟
Owner BEIJING GUODIAN FUTONG SCI & TECH DEV
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