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Heatproof and corrosion-resistant coating and preparation method thereof

A corrosion-resistant and coating technology, applied in anti-corrosion coatings, coatings, etc., can solve problems such as difficulty in large-scale promotion and application, high cost, and complicated preparation process

Inactive Publication Date: 2018-12-18
安徽康瑞高科新材料技术工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the preparation process of the above-mentioned materials is complicated, and the cost is still high, making it difficult to popularize and apply them on a large scale.

Method used

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  • Heatproof and corrosion-resistant coating and preparation method thereof
  • Heatproof and corrosion-resistant coating and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0043] A heat-resistant and corrosion-resistant paint, comprising the following raw materials in parts by weight: 35 parts of organic silicon resin, 15 parts of hybrid kaolin material, 0.5 parts of matting agent, 20 parts of talcum powder and 8 parts of ceramic powder.

[0044] The preparation steps of the hybrid kaolin material are as follows:

[0045] (1) dissolving metal nitrate in water, then adding kaolin, stirring for 1-3 hours;

[0046] The mass ratio of the metal nitrate: water: kaolin is 10:50:1;

[0047] The metal nitrate is cerium nitrate: a mixed metal nitrate with a mass ratio of aluminum nitrate of 1:3;

[0048] (2) adjust the pH value to 10 with 2mol / L sodium hydroxide aqueous solution;

[0049] (3) Centrifuge at 3000rpm for 10 minutes, take the solid, wash it with water once, and dry it at 80°C to obtain a hybrid kaolin material precursor;

[0050] (4) Grinding, passing through a 1000-mesh sieve and calcining at 1200° C. for 2 hours to obtain a hybrid kaolin...

Embodiment 2

[0055] A heat-resistant and corrosion-resistant paint, comprising the following raw materials in parts by weight: 35 parts of organic silicon resin, 15 parts of modified hybrid kaolin material, 0.5 parts of matting agent, 20 parts of talcum powder and 8 parts of ceramic powder.

[0056] The preparation steps of the modified hybrid material are as follows:

[0057] (1) prepare the saturated ethanol solution of ammonia;

[0058] (2) adding hexadecyltrimethoxysilane and hybrid kaolin materials into an ammonia-saturated ethanol solution, stirring at a speed of 300 rpm for 2 hours, adding water, and continuing to stir for 24 hours to obtain a crude product;

[0059] The mass ratio of cetyltrimethoxysilane: hybrid kaolin material: ammonia saturated ethanol solution: water is 1:3:10:10;

[0060] (3) The crude product was washed twice with ethanol and then dried in an oven at 80° C. to obtain the modified kaolin material.

[0061] The preparation steps of the hybrid kaolin material ...

Embodiment 3

[0072] A heat-resistant and corrosion-resistant paint, comprising the following raw materials in parts by weight: 35 parts of organic silicon resin, 15 parts of modified hybrid kaolin material, 0.5 parts of matting agent, 20 parts of talcum powder and 8 parts of ceramic powder.

[0073] The preparation steps of the modified hybrid material are as follows:

[0074] (1) prepare the saturated ethanol solution of ammonia;

[0075] (2) adding hexadecyltrimethoxysilane and hybrid kaolin materials into an ammonia-saturated ethanol solution, stirring at a speed of 300 rpm for 2 hours, adding water, and continuing to stir for 24 hours to obtain a crude product;

[0076] The mass ratio of cetyltrimethoxysilane: hybrid kaolin material: ammonia saturated ethanol solution: water is 1:3:10:10;

[0077] (3) The crude product was washed twice with ethanol and then dried in an oven at 80° C. to obtain the modified kaolin material.

[0078] The preparation steps of the hybrid kaolin material ...

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Abstract

The invention relates to a heatproof and corrosion-resistant coating and a preparation method thereof. The coating is prepared from silicone resin, a modified kaolin hybrid filler, a flatting agent, talcum powder, ceramic powder and a solvent. The high temperature-resistant kaolin material is added during the preparation of the coating, so the high temperature resistance of the coating is improved, and the coating has excellent corrosion resistance, and is still thermally stable at 800 DEG C. The method has the advantages of simplicity, easiness in operation, and low cost; and the coating hasthe advantages of excellent thermal stability, excellent storage stability and great practical values.

Description

technical field [0001] The invention belongs to the field of coatings, in particular to a heat-resistant and corrosion-resistant coating and a preparation method thereof. Background technique [0002] High-temperature-resistant coatings generally refer to special functional coatings that can withstand temperatures above 200°C for a long time, and can maintain certain physical and chemical properties, so that the protected objects can function normally in high-temperature environments. Heat-resistant coatings are generally composed of high-temperature resistant polymers, pigments and fillers, solvents and additives, also known as high-temperature resistant coatings. Especially suitable for high temperature, high frequency and occasions requiring insulation and low moisture absorption. [0003] At present, high temperature resistant coatings on the market are mainly divided into two categories: inorganic high temperature resistant coatings and organic high temperature resista...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D5/08C09D7/62C09D7/61
CPCC09D5/08C09D183/04C09D7/61C09D7/62C08K13/06C08K9/06C08K9/02C08K3/34C08K3/346
Inventor 王占庭唐品章王辉
Owner 安徽康瑞高科新材料技术工程有限公司