Graphene-based high-temperature-resistant anticorrosive paint and preparation method thereof

An anti-corrosion coating, graphene-based technology, applied in anti-corrosion coatings, fire-proof coatings, epoxy resin coatings, etc., can solve the problems of substandard environmental protection requirements, poor adhesion of mucous membranes, low high temperature tolerance, etc., and achieve short curing time , high elongation at break, and high thermal shock resistance

Active Publication Date: 2020-04-24
广东阿尔法工程材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Inorganic coatings have good heat resistance, but the formed mucous membrane has poor adhesion, high brittleness, and relatively high requirements on the substrate; organic coatings will decompose at high temperatures, have poor durability, and have some impact on the environment
Regardless of the type, there are certain limitations in use. There are also many solutions for improving specific properties in the prior art, but there are narrow application ranges, low high temperature tolerance, long curing time, and environmental protection requirements that do not meet standards, etc. question

Method used

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  • Graphene-based high-temperature-resistant anticorrosive paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A graphene-based high-temperature anti-corrosion coating, obtained by mixing component A and component B at a mass ratio of 9:1; the component A includes 50% binder and 50% pigment by mass percentage; The components contained in the binder and their mass percentages in the binder are: 60% of polymethylphenylsiloxane modified epoxy resin and 40% of silicone; the components contained in the pigment and filler Components and their mass percentages of the total amount of pigments and fillers are: 8% graphene, 1% chromium dioxide, 3% titanium dioxide, 5% zinc oxide, 3% aluminum oxide powder, 8% barium sulfate, magnesium carbonate 4%, calcium carbonate 5%, white carbon black powder 3%, quartz powder 5%, graphite powder 7%, green silicon carbide powder 5%, silicon carbide powder 3%, corundum powder 5%, silicon powder 7%, organic bentonite 2% and mica powder 3%, and appropriate amount of copper chrome black, iron oxide black and carbon fiber;

[0025] The B component is T-31 c...

Embodiment 2

[0035] A graphene-based high-temperature anti-corrosion coating, obtained by mixing component A and component B at a mass ratio of 9:1; the component A includes 60% binder and 40% pigment and filler in mass percent; The components contained in the binder and their mass percentages in the binder are: 60% of polymethylphenylsiloxane modified epoxy resin and 40% of silicone; the components contained in the pigment and filler Components and their mass percentages of the total amount of pigments and fillers are: 7% graphene, 5% chromium dioxide, 1% titanium dioxide, 3% zinc oxide, 5% aluminum oxide powder, 8% barium sulfate, magnesium carbonate 5%, calcium carbonate 5%, white carbon black powder 4%, quartz powder 3%, graphite powder 3%, green silicon carbide powder 3%, silicon carbide powder 7%, corundum powder 7%, silicon powder 3%, organic bentonite 1% and mica powder 4%, and appropriate amount of copper chromium black, iron oxide black and potassium hexatitanate whiskers;

[00...

Embodiment 3

[0040] A graphene-based high-temperature anti-corrosion coating obtained by mixing component A and component B at a mass ratio of 9:1; the component A includes 70% binder and 30% pigment by mass percentage; The components contained in the binder and their mass percentages in the binder are: 60% of polymethylphenylsiloxane modified epoxy resin and 40% of silicone; the components contained in the pigment and filler Components and their mass percentages of the total amount of pigments and fillers are: graphene 5%, chromium dioxide 5%, titanium dioxide 5%, zinc oxide 1%, aluminum oxide powder 5%, barium sulfate 8%, magnesium carbonate 3%, calcium carbonate 3%, white carbon black powder 5%, quartz powder 7%, graphite powder 5%, green silicon carbide powder 7%, silicon carbide powder 5%, corundum powder 3%, silicon powder 5%, organic bentonite 3% and mica powder 5%, and appropriate amount of copper chrome black, iron oxide black and carbon fiber;

[0041] The B component is a curin...

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Abstract

The invention relates to a graphene-based high-temperature-resistant anticorrosive paint and a preparation method thereof, and belongs to the technical field of anticorrosive materials, wherein the graphene-based high-temperature-resistant anticorrosive paint is obtained by mixing a component A and a component B according to a mass ratio of 9:1; the component A comprises the components in percentage by mass: 50 to 70% of a binding agent and 30 to 50% of a pigment filler; the binding agent comprises the components in percentage by mass: 60% of polymethylphenyl siloxane modified epoxy resin and40% of organic silicon; the pigment filler comprises the following components: graphene, chromium dioxide, titanium dioxide, zinc oxide, alumina powder, barium sulfate, magnesium carbonate, calcium carbonate, white carbon black micro-powder, quartz powder, graphite powder, green silicon carbide micro-powder, silicon carbide micro-powder, corundum micro-powder, silica powder, organic bentonite, mica powder and the balance being copper chromite black, iron oxide black and carbon fibers; and the component B is a curing agent. The anticorrosive paint has good comprehensive performance, strong corrosion resistance and high temperature resistance, and good comprehensive performance.

Description

technical field [0001] The invention belongs to the technical field of anti-corrosion coatings, and in particular relates to a graphene-based high-temperature-resistant anti-corrosion coating and a preparation method thereof. Background technique [0002] Pipeline anti-corrosion and anti-wear has always been an important task in the production and construction of cement plants in power plants. Corrosion causes major losses in China's national economy every year. Coating protective coatings is the most economical and convenient anti-corrosion method, but traditional protective coatings are limited by their own coatings Due to the nature and preparation process, the corrosion protection effect on the substrate is often unsatisfactory, and the cost of individual outstanding performance is very high, which reduces the cost performance of the coating, and a considerable part of the coating is caused by heavy metals such as lead, zinc or chromate or toxic substances. , there is a ...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/08C09D7/61C09D7/62
CPCC08K2003/2227C08K2003/2241C08K2003/2251C08K2003/2275C08K2003/2296C08K2003/265C08K2003/267C08K2003/3045C08K2201/003C08K2201/004C08K2201/005C08K2201/014C09D5/08C09D5/18C09D163/00C09D7/61C09D7/62C09D7/70C08K13/06C08K3/346C08K3/042C08K3/22C08K3/30C08K3/26C08K7/26C08K3/36C08K3/04C08K3/34C08K7/06C08K7/08
Inventor 崔立峰赵继増贾世藩赵歌强
Owner 广东阿尔法工程材料有限公司
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