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Conductive anti-corrosion coating of electric power grounding grid and preparation method thereof

A conductive anti-corrosion and grounding grid technology, applied in anti-corrosion coatings, conductive coatings, coatings, etc., can solve the problems of unsatisfactory chemical corrosion resistance and thermal stability, and achieve excellent electrical grounding anti-corrosion performance, low surface contact resistance, Good corrosion resistance

Active Publication Date: 2012-01-25
LIAONING HUALONG ELECTRIC POWER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the main technical problem in this prior art is that the chemical corrosion resistance and thermal stability are not ideal.

Method used

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  • Conductive anti-corrosion coating of electric power grounding grid and preparation method thereof
  • Conductive anti-corrosion coating of electric power grounding grid and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0014] The raw material composition of the conductive anti-corrosion coating for the power grounding grid includes: 35 parts of room temperature vulcanized silicone rubber or 107 rubber, 50.6 parts of at least one of xylene or petroleum ether as a diluent, 3.0 parts of nano-conductive carbon black, carbon black dispersion 3.0 parts of agent, 5.0 parts of silver-coated glass balls, 0.4 parts of titanate-based chelate as catalyst and 3.0 parts of methyltrialkoxysilane as crosslinking agent.

Embodiment 3

[0016] The raw material composition of the conductive anti-corrosion coating for the power grounding grid includes: 40 parts of room temperature vulcanized silicone rubber or 107 rubber, 47 parts of at least one of xylene or petroleum ether as a diluent, 4.0 parts of nano-conductive carbon black, carbon black dispersion 4.0 parts of agent, 0.5 parts of titanate-based chelate as catalyst and 4.5 parts of methyltrialkoxysilane as crosslinking agent.

[0017] The components of the above three groups of embodiments are manufactured step by step according to the following preparation method: the room temperature vulcanized silicone rubber or 107 glue, diluent and carbon black dispersant are dispersed and mixed according to the stated amount, and then nano-conductive carbon black is added to continue Disperse for about 30 minutes until uniformly dispersed; in order to make the particle size of the fixed substance in it not greater than 30 μm, send the above mixture into a grinder to ...

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Abstract

The invention provides a conductive anti-corrosion coating of an electric power grounding grid and a preparation method thereof. The raw materials in the preparation method comprise the following components: room temperature vulcanization silicone rubber, at least one of dimethylbenzene or petroleum ether used as a thinner, nanometer conductive carbon black, a carbon black dispersant, silver-coated glass spheres, a titanate-based chelate used as a catalyst and methyl trialkoxysilane used as a cross-linking agent. The preparation method comprises the following steps of dispersedly mixing the room temperature vulcanization silicone rubber, the thinner and the carbon black dispersant by metering; adding the nanometer conductive carbon black until homogeneous dispersion is achieved; adding the silver-coated glass microspheres until homogeneous dispersion is achieved; and conveying the mixture into a reactor for reaction and naturally cooling in a vacuum state to obtain the conductive anti-corrosion coating. The comprehensive technical performance indexes of the technical scheme are superior to those of the prior art, and the invention has the advantages of short tack-free time, favorable anti-corrosion performance, high thermal stability and low surface contact resistance.

Description

technical field [0001] The application of the present invention relates to an anticorrosion paint and a preparation method thereof for protecting a power grounding grid of a power system from being corroded. Background technique [0002] The increase of power capacity and the increase of voltage level are inevitable for the development of power supply and demand, which requires strengthening the grounding ability of the power grounding grid, especially its anti-corrosion ability, so as to avoid power operation accidents caused by it. The grounding body of the power grounding grid is generally made of steel such as flat steel, angle steel or steel pipe, and its corrosion mechanism mainly includes chemical corrosion, electrochemical corrosion and microbial corrosion. Chemical corrosion: that is, natural corrosion, spontaneous corrosion caused by direct chemical reaction between the steel grounding body and the surrounding medium, such as oxidation corrosion: 2Fe+O 2 =2FeO or ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/06C09D5/08C09D5/24
Inventor 刘晓强
Owner LIAONING HUALONG ELECTRIC POWER TECH
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