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Anticorrosive paint containing graphene-based passivating agent and preparation method for paint and coating

A graphene-based, anti-corrosion coating technology, which is applied in the direction of anti-corrosion coatings, coatings, conductive coatings, etc., can solve the problems of poor comprehensive performance of coatings, and achieve the effect of excellent corrosion resistance and electrical conductivity

Inactive Publication Date: 2018-05-04
YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The application provides a kind of anticorrosion coating containing graphene base passivator and the preparation method of coating, coating, to solve the poor problem of existing coating overall performance

Method used

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  • Anticorrosive paint containing graphene-based passivating agent and preparation method for paint and coating

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The present embodiment provides a kind of anticorrosion coating containing graphene-based passivating agent, comprises basic coating, and described basic coating comprises the following components by weight: modified graphene powder, 1 part; Epoxy modified silicone resin , 15 parts; a mixed solution of toluene and butanol, 100 parts; wherein, the modified graphene powder is graphene oxide grafted with a passivating agent on the surface.

[0031] Optionally, the anticorrosion coating containing the graphene-based passivator also includes a curing solution, and the curing solution includes a mixed solution of toluene and butanol, 10 parts; curing agent, 6 parts.

[0032] In the above content, the volume ratio of toluene and butanol in the mixed solution is 8:2. The passivating agent is N,N'-bis(o-hydroxybenzylmethine)oxalyl dihydrazine, and the epoxy value of the epoxy-modified silicone resin is 0.2.

[0033] Present embodiment also provides a kind of preparation method ...

Embodiment 2

[0048] The present embodiment provides a kind of anticorrosion coating containing graphene-based passivating agent, comprises basic coating, and described basic coating comprises the following components by weight: modified graphene powder, 1 part; Epoxy modified silicone resin , 50 parts; a mixed solution of toluene and butanol, 20 parts; wherein, the modified graphene powder is graphene oxide grafted with a passivating agent on the surface.

[0049] Optionally, the anticorrosion coating containing the graphene-based passivator also includes a curing solution, and the curing solution includes a mixed solution of toluene and butanol, 100 parts; curing agent, 20 parts.

[0050] In the above content, the volume ratio of toluene and butanol in the mixed solution is 8:2. The passivating agent is N-[3-(3,5-di-tert-butyl-4-hydroxyphenyl)] propanol-2-octadecylsuccinimide, and the epoxy-modified organic The epoxy value of the silicone resin is 0.2.

[0051] Present embodiment also p...

Embodiment 3

[0066] The present embodiment provides a kind of anticorrosion coating containing graphene-based passivating agent, comprises basic coating, and described basic coating comprises the following components by weight: modified graphene powder, 2 parts; Epoxy modified silicone resin , 50 parts; a mixed solution of toluene and butanol, 50 parts; wherein, the modified graphene powder is graphene oxide grafted with a passivating agent on the surface.

[0067] Optionally, the anticorrosion coating containing the graphene-based passivator also includes a curing solution, and the curing solution includes a mixed solution of toluene and butanol, 30 parts; curing agent, 10 parts.

[0068] Optionally, the volume ratio of toluene to butanol in the mixed solution is 8:2. The passivating agent is N, N-[3-(3,5-di-tert-butyl-4-hydroxyphenyl)] propionyl stearyl hydrazide, and the epoxy value of the epoxy-modified silicone resin is 0.22.

[0069] The present embodiment provides a kind of prepar...

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Abstract

The invention relates to the technical field of anticorrosive paint, in particular to anticorrosive paint containing a graphene-based passivating agent and a preparation method for the paint and a coating, which solve the problem that an existing anticorrosive paint is relatively poor in conductive performance. The anticorrosive paint comprises basic paint; and the basic paint comprises the following components in parts by weight: 1-3 parts of modified graphene powder, 15-50 parts of epoxy modified organic silicon resin, and 10-100 parts of a mixed solution of methylbenzene and butanol; and the modified graphene powder is oxide graphene grafted with a passivating agent on surface. The anticorrosive paint integrates passivating property of the passivating agent and conductive performance ofgraphene, so that the anticorrosive paint has excellent corrosion resistance and excellent conductive performance.

Description

technical field [0001] The application relates to the technical field of anti-corrosion coatings, in particular to a method for preparing anti-corrosion coatings containing graphene-based passivators and coatings and coatings. Background technique [0002] Grounding grids are usually used in grounding loop work areas such as power distribution stations and large workshops to meet the needs of power system operation and protect equipment or personal safety. However, since the grounding grid is in direct contact with the earth, there is a serious corrosion problem, which affects the safe operation of the power system. [0003] At present, the corrosion protection of the grounding grid is usually carried out by coating the surface of the grounding grid with paint. For example, a kind of anticorrosion paint, is made up of each component of following mass fraction: 40-45 parts of epoxy acrylic resin, 3-6 parts of dibutyl benzoate, 5-8 parts of hydroxyethyl acrylate, polytetraflu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D5/08C09D5/24C09D7/20
Inventor 杨宇玲郭新良陈先富张少泉陈晓云
Owner YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST