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Environment-friendly metal corrosion-resistant treatment solution and preparation method thereof

A technology for corrosion resistance and liquid treatment, applied in the direction of surface pretreatment, anti-corrosion coatings, and devices for coating liquids on surfaces, etc., can solve problems such as not being very effective, improve corrosion resistance and wear resistance, and improve compactness The effect of sex and hardness

Active Publication Date: 2020-04-28
重庆城开能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the metal is usually pre-treated with a metal corrosion-resistant treatment solution, which can improve the corrosion resistance to a certain extent, but it is not very effective.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] A corrosion-resistant pretreatment method of aluminum alloy includes the following steps:

[0058] (1) Put the aluminum alloy into the cleaning solution and soak for 25 minutes, the immersion temperature is 35℃, the mass ratio of aluminum alloy to the cleaning solution is 1:30, and the immersed aluminum alloy is used with water 30 times the mass of the aluminum alloy. After rinsing, dry at 35°C for 3 hours;

[0059] (2) Step (1) The dried aluminum alloy is immersed in an environmentally friendly metal corrosion-resistant treatment solution, the dipping temperature is 35°C, the mass ratio of the aluminum alloy to the environmentally friendly metal corrosion-resistant treatment solution is 1:35, and the immersion time is 40 Minutes, take out the aluminum alloy and dry it at 70°C for 3 hours to obtain the corrosion-resistant aluminum alloy.

[0060] The preparation method of the cleaning solution is as follows: add 8g of sulfosalicylic acid, 15g of disodium EDTA, 20g of sodium d...

Embodiment 2

[0066] It is basically the same as embodiment 1, except that in this embodiment 2: the preparation method of the environmentally friendly metal corrosion-resistant treatment solution is as follows: mix 40g ethanol and 160g water uniformly, adjust the pH to 3 with 5mol / L hydrochloric acid, Add 5g of ethyl orthosilicate, 15g of vinyl tris(2-methoxyethoxy) silane, 0.2g of modified mineral powder, stir for 6 hours at 35°C and 200 rpm, add 2g of ionic liquid , Stirring for 2 hours at 35°C and 200 revolutions per minute, adding 4 g of metal salt, 3 g ferric ammonium oxalate, and stirring at 35°C and 200 revolutions per minute for 3 hours to obtain an environmentally friendly metal corrosion-resistant treatment solution. The ionic liquid is N-hexyl-4-methylpyridine tetrafluoroborate; the metal salt is a mixture of nickel nitrate, cerium nitrate, and cobalt acetate in a mass ratio of 2:1:1; the modified mineral The powder is a mixture of tetrabutyl titanate modified talc powder and tri...

Embodiment 3

[0068] It is basically the same as Example 1, except that in Example 3: the preparation method of the environmentally friendly metal corrosion-resistant treatment solution is as follows: mix 40g ethanol and 160g water uniformly, adjust the pH to 3 with 5mol / L hydrochloric acid, Add 5g of ethyl orthosilicate, 15g of vinyl tris(2-methoxyethoxy) silane, 0.2g of modified mineral powder, stir for 6 hours at 35°C and 200 rpm, add 2g of ionic liquid , Stirring for 2 hours at 35°C and 200 revolutions per minute, adding 4 g of metal salt, 3 g ferric ammonium oxalate, and stirring at 35°C and 200 revolutions per minute for 3 hours to obtain an environmentally friendly metal corrosion-resistant treatment solution. The ionic liquid is N-butylpyridine tetrafluoroborate; the metal salt is a mixture of nickel nitrate, cerium nitrate, and cobalt acetate in a mass ratio of 2:1:1; the modified mineral powder is titanic acid A mixture of tetrabutyl ester modified talc powder and tri-tert-butyl bo...

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Abstract

The invention discloses an environment-friendly metal corrosion resistance treating fluid and a preparation method thereof. The environment-friendly metal corrosion resistance treating fluid is prepared from the following raw materials by weight: 20-60 parts of ethyl alcohol, 100-300 parts of water, 3-8 parts of tetraethoxysilane, 10-30 parts of vinyl tri(2-methoxyethyl)silane, 0.05-0.5 part of mineral powder, 0.5-5 parts of ionic liquid, 0.5-5 parts of metal salt, and 0,5-5 parts of ammonium ferric oxalate. After the environment-friendly metal corrosion resistance treating fluid pretreats themetal surface, the density and the hardness of a film layer formed on the metal surface can be effectively improved, and the corrosion resistance and the wear resistance can be further improved.

Description

Technical field [0001] The invention relates to a metal treatment liquid and a preparation method thereof, in particular to an environment-friendly metal corrosion-resistant treatment liquid and a preparation method thereof. Background technique [0002] Metal materials are the most widely used engineering materials in modern society, and they play a very important role in human civilization and development. People not only use metal materials in industrial and agricultural production, but also in scientific research, they can also be seen everywhere in their daily lives. Metal materials are used all the time. However, metal materials easily react with surrounding media, causing metal corrosion. Once the metal is corroded, its performance will be greatly reduced. If the metal parts on the equipment are corroded, the equipment will not work, causing economic and other losses to people. Therefore, metal corrosion protection is very important. [0003] In the prior art, a metal cor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/07C09D5/08C09D7/62C09D7/61C09D7/63B05D3/00B05D3/10
CPCB05D3/002B05D3/102C08G77/20C08K2201/014C09D4/00C09D5/08C09D7/61C09D7/62C09D7/63C09D183/04C08K13/06C08K9/04C08K3/346C08K3/34C08K5/3432C08K5/098C08K3/28
Inventor 张金礼
Owner 重庆城开能源有限公司