Preparation method of dense anti-corrosion conductive coating

A kind of anti-corrosion, conductive and dense technology, applied in anti-corrosion coatings, conductive coatings, coatings, etc., can solve the problem of inability to balance anti-corrosion performance and electrical conductivity, and achieve enhanced mechanical properties, improved mechanical strength, and improved dense structure. Effect

Inactive Publication Date: 2018-09-21
FOSHAN LINGXIE ENVIRONMENTAL PROTECTION TECH CO LTD
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Problems solved by technology

[0005] The technical problem to be solved by the present invention: Aiming at the problem that the anti-corrosion performance and electrical conductivity of the existing conductive coating cannot be balanced, a preparation method of a dense anti-corrosion conductive coating is provided

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  • Preparation method of dense anti-corrosion conductive coating

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Embodiment Construction

[0017] In terms of parts by weight, weigh 45-50 parts of deionized water, 10-15 parts of phosphoric acid and 6-8 parts of aluminum hydroxide in a beaker, stir and mix and heat in an oil bath at 100-120°C for 25- After 30 minutes, the mixed solution was obtained, and according to the mass ratio of 1:8, the mass fraction of 5% phosphoric acid solution was added dropwise to the mixed solution, and the dropping rate was controlled at 2-3mL / min. 5h, get the matrix liquid and weigh 45-50 parts of the matrix liquid, 3-5 parts of boric acid, and 10-15 parts of citric acid respectively in a beaker, stir and mix, and place in a water bath at 75-85 °C Heating for 25 to 30 minutes, standing and cooling to room temperature to obtain the modified bonding liquid; according to the mass ratio of 1:5:8, add 200 mesh bentonite and 200 mesh graphite particles to the modified bonding liquid, grind and disperse, and collect the dispersed slurry. Obtain the bonding slurry; in parts by weight, weigh ...

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Abstract

The invention relates to a preparation method of a dense anti-corrosion conductive coating, and belongs to the technical field of paint. According to the technical scheme, a dense adhesive material isprepared from phosphoric acid and aluminium hydroxide, coating treatment is carried out in an air spraying mode, the surface of the coating is dense and flat, tiny holes exist in part of the internalregion of the coating, the formed coating is dense in structure and has effective anti-corrosion performance, through boric acid modified treatment, as boric acid and phosphoric acid react to generate boron phosphate, meanwhile, boron phosphate and Al(OH)3 react to generate aluminium hydroxide complexing borate, a phosphate adhesive system forms a better net-shaped structure through synergism ofthe two substances, thus, the module mechanical performance strength is improved, and the mechanical performance of the coating material is greatly enhanced.

Description

technical field [0001] The invention relates to a preparation method of a dense anti-corrosion conductive coating, which belongs to the technical field of coatings. Background technique [0002] Most of the power grounding systems in my country use galvanized flat steel and galvanized steel pipes for direct grounding, but zinc materials have poor corrosion resistance and are easy to corrode. They are buried deep underground for a long time and are corroded by various corrosive media in the soil. The galvanized layer is severely corroded and cannot be grounded. Fundamentally solve the corrosion problem of the grounding grid. Coating conductive anti-corrosion paint on the surface of galvanized steel can isolate galvanized steel from corrosive media, effectively protect the grounding grid, prolong the service life of the grounding grid, and provide a new way for the corrosion protection of the grounding grid, which has become the focus of research at home and abroad. [0003] A...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D179/02C09D5/24C09D5/08C09D7/61C09D7/63
CPCC09D163/00C08K2201/001C09D5/08C09D5/24C09D7/61C09D7/63C09D179/02C08L63/00C08K13/02C08K3/22C08K3/38C08K3/346C08K3/04C08L79/02C08K5/544
Inventor 胡丽春韩桂林
Owner FOSHAN LINGXIE ENVIRONMENTAL PROTECTION TECH CO LTD
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