Flexible ceramic heavy anti-corrosion coating and preparation method thereof

A technology of flexible ceramics and anti-corrosion coatings, applied in anti-corrosion coatings, epoxy resin coatings, chemical instruments and methods, etc., can solve the problems of inability to adjust the feeding speed according to needs, poor flexibility and impact resistance of the paint film, and coating grinding Reduce the effect of the coating and other problems, to achieve the effect of improving convenience, improving the anti-corrosion performance of the coating, and increasing the power utilization rate

Inactive Publication Date: 2021-10-08
NANJING YUSONG MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a flexible ceramic heavy-duty anti-corrosion coating and a preparation method thereof, which can effectively solve the problem that the anti-corrosion coating proposed in the above background technology is very brittle after film formation, the flexibility and impact resistance of the paint film are very poor, and it is easy to crack and fall off. Its practical application is limited. In addition, the feeding speed cannot be adjusted according to the needs during the grinding process, which reduces the effect of coating grinding and affects the quality of subsequent molding.

Method used

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  • Flexible ceramic heavy anti-corrosion coating and preparation method thereof
  • Flexible ceramic heavy anti-corrosion coating and preparation method thereof
  • Flexible ceramic heavy anti-corrosion coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Embodiment 1: as Figure 1-2 Shown, a kind of preparation method of flexible ceramic heavy-duty anticorrosion coating comprises the steps:

[0054] S1. Add epoxy resin, liquid polysulfide rubber, dispersant, xylene, and epoxy reactive diluent to the production tank, and stir at 600-800 rpm for 5-10 minutes;

[0055] S2. Add ceramic whiskers, ceramic powder, carbon nanotubes, glass flakes, fumed silica, polyamide wax, coupling agent while stirring at 600-800 rpm, and disperse at 800-1000 rpm at high speed for 10 -15 minutes;

[0056] S3. Send the stirred component A solution evenly into the sand mill cylinder 5 at the top of the machine base 1 through the feed adjustment mechanism 8 for grinding, so that the component A solution is more detailed and the quality of the anti-corrosion coating is improved;

[0057] S4. During the grinding process, the cooling and filling mechanism 10 is used to cool down the device to ensure the grinding effect. In addition, when the devi...

Embodiment 2

[0091] Embodiment 2, a kind of flexible ceramic heavy-duty anticorrosion paint, comprises component A and component B of independent subpackage;

[0092] Component A includes by weight: 36 parts of epoxy resin, 6 parts of liquid polysulfide rubber, 4 parts of high-chlorinated polyethylene resin, 8 parts of ceramic whiskers, 9 parts of ceramic powder, 4 parts of carbon nanotubes, and 6 parts of glass flakes , 7 parts of aluminum silver paste, 1 part of dispersant, 1 part of polyamide wax powder, 1 part of fumed silica, 1 part of defoamer, 1 part of coupling agent, 8 parts of xylene, 7 parts of epoxy reactive diluent ;

[0093] Component B includes by weight: 40 parts of curing agent, 10 parts of curing accelerator, 25 parts of xylene, and 25 parts of n-butanol.

[0094] The weight ratio of the component A to the component B is 3:1

[0095] Described epoxy resin is E44;

[0096] The ceramic whiskers are silicon carbide;

[0097] The ceramic powder is alumina;

[0098] The d...

Embodiment 3

[0105] Embodiment 3, a kind of flexible ceramic heavy-duty anticorrosion paint, comprises component A and component B of independent packaging;

[0106] Component A includes by weight: 36 parts of epoxy resin, 5 parts of liquid polysulfide rubber, 5 parts of high-chlorinated polyethylene resin, 4 parts of ceramic whiskers, 13 parts of ceramic powder, 5 parts of carbon nanotubes, and 5 parts of glass flakes , 7 parts of aluminum silver paste, 1 part of dispersant, 1 part of polyamide wax powder, 1 part of fumed silica, 1 part of defoamer, 1 part of coupling agent, 8 parts of xylene, 80 parts of epoxy reactive diluent ;

[0107] Component B includes by weight: 40 parts of curing agent, 10 parts of curing accelerator, 25 parts of xylene, and 25 parts of n-butanol.

[0108] The weight ratio of the component A to the component B is 3:1

[0109] Described epoxy resin is E44;

[0110] The ceramic whiskers are silicon carbide;

[0111] The ceramic powder is alumina;

[0112] The ...

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Abstract

The invention discloses a preparation method of a flexible ceramic heavy anti-corrosion coating, which comprises the following steps of: S1, adding epoxy resin, liquid polysulfide rubber, a dispersing agent, xylene and an epoxy active diluent into a production cylinder, and stirring for 5-10 minutes at the speed of 600-800 revolutions per minute; and S2, adding ceramic whiskers, ceramic powder, carbon nanotubes, glass flakes, fumed silica, polyamide wax and a coupling agent while stirring at the speed of 600-800 revolutions per minute, and dispersing at the high speed of 800-1000 revolutions per minute for 10-15 minutes. According to the invention, the structure is scientific and reasonable, the use is safe and convenient. The liquid polysulfide rubber and the high chlorinated polyethylene are adopted, the epoxy resin is modified by the curing reaction of the epoxy resin and a phenolic aldehyde amine curing agent, and the obtained coating has characteristics of good flexibility and good corrosion resistance under the action of the ceramic whisker and the carbon nanotubes. Meanwhile, the glass flakes further improve the corrosion resistance of the coating, and the ceramic powder and the whiskers effectively improve the corrosion resistance of the coating and improve the impact resistance of the coating.

Description

technical field [0001] The invention relates to the technical field of anti-corrosion coating preparation, in particular to a flexible ceramic heavy-duty anti-corrosion coating and a preparation method thereof. Background technique [0002] At present, in the field of heavy-duty anti-corrosion, heavy-duty anti-corrosion coatings are widely used due to their low cost, good effect, and convenient construction. The most common one is epoxy coatings. For common atmospheric areas, "zinc-rich primer + epoxy intermediate The anti-corrosion supporting system of "paint + weather-resistant topcoat" generally uses high-solid epoxy coatings or modified epoxy coatings for underwater immersion areas, and generally uses high-solid epoxy coatings for conventional chemical-resistant linings. paint or epoxy phenolic paint; [0003] However, the existing anti-corrosion coating film is very brittle after film formation, the flexibility and impact resistance of the paint film are very poor, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D163/02C09D181/04C09D123/28C09D5/10C09D7/61B01F13/10B01F15/02B01F15/06
CPCC09D163/00C09D5/103C09D7/61C09D7/70C08K2201/011C08K2003/2227C08K2003/0812C08L81/04C08L23/286C08K7/10C08K7/08C08K3/041C08K7/00C08K3/34C08K3/22C08K3/08
Inventor 钟继东王锡玲
Owner NANJING YUSONG MATERIAL TECH CO LTD
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