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Epoxy resin-graphene-zinc powder anticorrosive coating and preparation method thereof

A technology for epoxy resin and anti-corrosion coatings, which is applied in the direction of epoxy resin coatings, anti-corrosion coatings, coatings, etc., can solve the problems of difficulty in industrialized mass production and promotion, complicated steps of adding graphene, etc., and achieve the reduction of zinc oxide mist, Guaranteed anti-corrosion effect and long-term resistance to salt spray

Inactive Publication Date: 2016-06-01
TIANJIN XITENG SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the addition steps of graphene are complicated, and it is not easy for industrial mass production and promotion

Method used

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  • Epoxy resin-graphene-zinc powder anticorrosive coating and preparation method thereof
  • Epoxy resin-graphene-zinc powder anticorrosive coating and preparation method thereof
  • Epoxy resin-graphene-zinc powder anticorrosive coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Embodiment 1: a kind of preparation method of epoxy-zinc powder anticorrosion paint, comprises the steps:

[0052] (1) according to table 3, the epoxy resin of component A formula quantity is added in the stirring container, stir under the rotating speed of 1500r / min;

[0053] (2) Then add the solvent (benzene) of the formula amount of component A in turn, and continue to stir under the 2500r / min rotating speed until the dispersion is uniform;

[0054] (3) Add the mixture obtained in step (2), zinc powder, and silicon dioxide into a high-speed disperser for high-speed dispersion.

[0055] (4) Configure the mixed solution of component B according to Table 3

[0056] (5) Mix the prepared component A and component B to obtain the anti-corrosion coating.

[0057]

[0058] Table 3: Components of the epoxy-zinc powder anticorrosion paint that embodiment 1 provides

Embodiment 2

[0059] Embodiment 2: a kind of preparation method of epoxy-graphene-zinc powder anticorrosion coating comprises the steps:

[0060] (1) according to table 4, the epoxy resin of component A formula quantity is added in the stirring container, stir under the rotating speed of 1200r / min;

[0061] (2) Then add the solvent (dodecane) and filler (talcum powder) of the formula amount of component A in sequence, and continue to stir at 1800r / min until the dispersion is uniform;

[0062] (3) Add the mixture obtained in step (2), zinc powder, silicon dioxide, and graphene into a high-speed disperser for high-speed dispersion.

[0063] (4) Configure the mixed solution of component B according to Table 4

[0064] (5) Mix the prepared component A and component B to obtain the anti-corrosion coating.

[0065]

[0066]

[0067] Table 4: The composition of the epoxy-graphene-zinc powder anticorrosion coating that embodiment 2 provides

Embodiment 3

[0068] Embodiment 3: a kind of preparation method of epoxy-zinc powder anticorrosion paint, comprises the steps:

[0069] (1) according to table 5, the epoxy resin of component A formula quantity is added in the stirring container, stir under the rotating speed of 1200r / min;

[0070] (2) Then add the solvent (methyl isobutyl ketone) and filler (titanium dioxide) in the formula amount of component A in sequence, and continue to stir at a speed of 2200r / min until the dispersion is uniform;

[0071] (3) Add the mixture obtained in step (2), zinc powder, silicon dioxide, and graphene into a high-speed disperser for high-speed dispersion.

[0072] (4) Configure the mixed solution of component B according to Table 5

[0073] (5) Mix the prepared component A and component B to obtain the anti-corrosion coating.

[0074]

[0075] Table 5: The composition of the epoxy-graphene-zinc powder anticorrosion coating that embodiment 3 provides

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Abstract

The invention relates to epoxy resin-graphene-zinc powder anticorrosive coating and a preparation method thereof. The coating comprises a component A capable of forming a film in a curing mode and a component B containing a curing agent, wherein the component A is prepared from 14.64-20.24% of epoxy resin, 0.33-0.56% of graphene, 19.63-37.67% of zinc powder, 23.74-40.37% of filler, 1.41-2.0% of silicon dioxide and the balance a solvent. The component B is prepared from 50% of polyamide and 50% of butanol. Graphene is added into the anticorrosive coating, the anticorrosive effect is improved and the content of the zinc powder is greatly reduced by means of selection of the components, the anticorrosive mode, at the cost of zinc powder, of zinc-rich coating is avoided, zinc oxide fog generated during welding is greatly reduced, and the coating is environmentally friendly. The novel composite coating is good in anti-corrosive effect, free of toxin and pollution and wide in application range.

Description

technical field [0001] The present invention relates to an epoxy resin-graphene-zinc powder anticorrosion coating and a preparation method thereof, specifically, the present invention relates to an epoxy zinc-rich anticorrosion coating based on epoxy resin and containing graphene and a preparation method thereof . Background technique [0002] Corrosion is the phenomenon that metal, concrete, wood and other objects are damaged by the chemical or electrochemical action of the surrounding environment medium. According to relevant statistics, the annual economic loss caused by corrosion in the world is about 700 billion to 1 trillion US dollars, which is about 6 times the sum of economic losses caused by natural disasters such as earthquakes, floods, and typhoons. In my country, the annual loss due to corrosion is about 800 billion yuan, accounting for about 3% of GDP. [0003] The danger of corrosion of steel structures is that it is a kind of uneven damage. The damage occur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/12C09D5/10
CPCC09D163/00C09D5/103C09D7/61C08L77/00C08K13/02C08K3/04C08K3/36C08K2003/0893C08K5/05
Inventor 孙占威朱春野孙领弟孙曌
Owner TIANJIN XITENG SCI & TECH CO LTD
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