High-temperature-resistant anti-corrosive coating and preparation method

An anti-corrosion coating and high temperature resistance technology, applied in anti-corrosion coatings, alkali metal silicate coatings, coatings, etc., can solve the problems of insufficient temperature resistance, discoloration, wrinkling, etc., and achieve good water resistance, good aging resistance, The effect of convenient construction

Inactive Publication Date: 2016-02-03
景晓丽
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AI Technical Summary

Problems solved by technology

The high-temperature resistant anti-corrosion coating is painted on the metal of the high-temperature furnace body, which can effectively protect the metal of the high-temperature furnace body against corrosion in a high-temperature flame environment, improve the resistance of acid and alkali resistance, protect the metal from oxidation, sealing protection, etc., and overcome common Anti-corrosion coatings are extremely unsuitable under high temperature conditions, and the temperature resistance is not enough, which is prone to defects such as peeling, wrinkling, and discoloration

Method used

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Embodiment Construction

[0007] The present invention adopts such a technical scheme: the materials and weight proportions in the high-temperature-resistant anticorrosion coating are respectively: 812 parts of potassium silicate solution, 32 parts of lithium hydroxide aqueous solution, CH 3 Si(OCH 3 ) 3 37 parts, 68 parts of water, 139 parts of wollastonite, 37 parts of boron nitride, 41 parts of fine-grained alumina, 35 parts of ultrafine zinc oxide, and 38 parts of titanium oxide.

[0008] Its preparation method is the following steps:

[0009] Step 1), add potassium silicate solution into the reaction vessel, adjust the rotation speed to 1500r / min, form a vortex, and heat the solution to 35°C, slowly add lithium hydroxide aqueous solution while stirring for later use;

[0010] Step 2), heating the material obtained in step 1) to 70°C, keeping the rotation speed, allowing it to fully react for 1 hour before use;

[0011] Step 3) Slowly add CH to the material obtained in step 2) while stirring 3 ...

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Abstract

Provided are a high-temperature-resistant anti-corrosive coating and a preparation method. The high-temperature-resistant anti-corrosive coating comprises, by weight parts, 812 parts of potassium silicate solution, 32 parts of lithium hydroxide solution, 337 parts of CH3Si (OCH3), 68 parts of water, 139 parts of wollastonite, 37 parts of boron nitride, 41 parts of fine grain aluminum oxide, 35 parts of superfine zinc oxide and 38 parts of titanium oxide. The high-temperature-resistant anti-corrosive coating can be used for base layer painting of automobiles, aerospace, toys and outdoor sports equipment. The high-temperature-resistant anti-corrosive coating has the advantages of being convenient to transport and construct and non-toxic, having no foreign smell and being free of pollution and has the advantages of being high in coating hardness and resistant to friction, impact, high temperature, corrosion, aging, weather, radiation, salt fog and water.

Description

technical field [0001] The invention relates to the field of coatings, in particular to an anti-corrosion coating, which can be used as a high-temperature-resistant anti-corrosion coating for the base coating of automobiles, aerospace, toys, outdoor sports equipment, etc., and has the advantages of convenient transportation and construction, non-toxicity, no peculiar smell, and no pollution. , and has the characteristics of high coating hardness, friction resistance, impact resistance, high temperature resistance and corrosion resistance, good aging resistance, weather resistance, radiation resistance, salt spray resistance, and good water resistance. Background technique [0002] Anti-corrosion coatings, generally divided into conventional anti-corrosion coatings and heavy-duty anti-corrosion coatings, are an indispensable coating in paint coatings. Conventional anti-corrosion coatings play an anti-corrosion effect on metals under normal conditions and protect the service l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/04C09D5/08C09D7/12
Inventor 景晓丽
Owner 景晓丽
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