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Anti-rust coating layer with high-temperature resistantce for automobile spare and accessory parts and preparation method thereof

A technology of anti-rust coating and spare parts, applied in the direction of coating, anti-corrosion coating, fire-proof coating, etc., to achieve high surface strength and smoothness, improve overall stability and reduce roughness

Inactive Publication Date: 2019-04-12
广州市领格汽车零件制造有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to overcome the above-mentioned technical problems, the object of the present invention is to provide a kind of antirust coating for high temperature resistant auto parts and its preparation method. The prepared antirust coating is applied on the surface of auto parts, which can greatly improve the performance of auto parts. The characteristics of the surface make auto parts have the advantages of high temperature resistance, wear resistance and corrosion resistance, and solve some key problems that cannot be solved by traditional coatings

Method used

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  • Anti-rust coating layer with high-temperature resistantce for automobile spare and accessory parts and preparation method thereof
  • Anti-rust coating layer with high-temperature resistantce for automobile spare and accessory parts and preparation method thereof
  • Anti-rust coating layer with high-temperature resistantce for automobile spare and accessory parts and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0040] see Figure 1~3 Shown, a kind of antirust coating for high temperature resistant auto parts is formed after being covered with antirust paint by auto parts surface and is dried, and described antirust paint comprises following raw material composition and parts by weight: 50 parts of filler emulsion, 10 parts of modified polyacrylonitrile-based carbon fiber, 5 parts of toughening lubricant, 5 parts of film former, 8 parts of rosin, 20 parts of deionized water;

[0041] The antirust coating preparation method comprises the steps:

[0042] Step S1: Add 50 parts of filler emulsion to the stirring disperser, after heating up to 60-70°C, add 10 parts of modified polyacrylonitrile-based carbon fiber, first stir at 100-120r / min at high speed for 0.2-0.5h, then reduce the stirring Speed ​​up to 30-40r / min, after stirring for 0.5-1h, stop stirring, put it into an ultrasonic disperser and ultrasonicate for 2-3h, and obtain component A in a hyperdispersed state;

[0043] Step S2...

Embodiment 2

[0055] see Figure 1~3 Shown, a kind of anti-rust coating for high-temperature-resistant auto parts is formed after being covered with anti-rust coating on the surface of auto parts after being dried, and described anti-rust coating comprises following raw material composition and parts by weight: 60 parts of filler emulsion, 20 parts of modified polyacrylonitrile-based carbon fiber, 10 parts of toughening lubricant, 10 parts of film former, 10 parts of rosin, 30 parts of deionized water;

[0056] The antirust coating preparation method comprises the steps:

[0057] Step S1: Add 60 parts of filler emulsion to the stirring disperser, heat up to 60-70°C, add 20 parts of modified polyacrylonitrile-based carbon fiber, first stir at 100-120r / min for 0.2-0.5h at high speed, then reduce the stirring Speed ​​up to 30-40r / min, after stirring for 0.5-1h, stop stirring, put it into an ultrasonic disperser and ultrasonicate for 2-3h, and obtain component A in a hyperdispersed state;

[...

Embodiment 3

[0070] see Figure 1~3Shown, a kind of anti-rust coating for high-temperature-resistant auto parts is formed after being covered with anti-rust coating on the surface of auto parts after being dried, and described anti-rust coating comprises following raw material composition and parts by weight: 60 parts of filler emulsion, 20 parts of modified polyacrylonitrile-based carbon fiber, 10 parts of toughening lubricant, 10 parts of film former, 10 parts of rosin, 30 parts of deionized water;

[0071] The antirust coating preparation method comprises the steps:

[0072] Step S1: Add 60 parts of filler emulsion prepared by montmorillonite that has not been treated with dilute hydrochloric acid into the stirring disperser, after heating up to 60-70°C, add 20 parts of modified polyacrylonitrile-based carbon fiber, first 100-120r / min high-speed stirring for 0.2~0.5h, then reduce the stirring speed to 30~40r / min, after stirring for 0.5~1h, stop stirring, put it into an ultrasonic disp...

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Abstract

The invention discloses an anti-rust coating layer with high-temperature resistance for automobile spare and accessory parts and a preparation method thereof. The anti-rust coating layer is formed through the following steps: coating an anti-rust coating onto the surfaces of automobile spare and accessory parts, and carrying out drying. The anti-rust coating comprises the following raw materials by weight: 50 to 60 parts of a filler emulsion, 10 to 20 parts of modified polyacrylonitrile based carbon fiber, 5 to 10 parts of a toughening lubricant, 5 to 10 parts of a film-forming agent, 8 to 10parts of rosin and 20 to 30 parts of deionized water. The preparation method for the anti-rust coating comprises the following steps: uniformly mixing the filler emulsion with the modified polyacrylonitrile based carbon fiber so as to obtain a component A; dissolving the rosin into the deionized water, and adding the toughening lubricant so as to obtain a component B; mixing the component A with the component B, and adding the film-forming agent so as to obtain the anti-rust coating. According to the invention, when the anti-rust coating is coated onto the surfaces of the automobile spare andaccessory parts, a volatile solvent is slowly dried and volatilized under external conditions, and remaining substances begin aggregation to form a continuous and dense coating layer, so the surfacesof the automobile spare and accessory parts are isolated from the external environment, and the purpose of rust prevention is finally achieved.

Description

technical field [0001] The invention relates to the field of antirust technology, in particular to an antirust coating for high-temperature resistant auto parts and a preparation method thereof. Background technique [0002] Corrosion refers to the phenomenon that the surface of an object is damaged by a chemical reaction or an electrochemical reaction with the surrounding medium. The anti-rust technologies widely used in practical applications mainly include the following: [0003] 1. Alloying treatment: adding a small amount of inert metal or nonmetal during the smelting process of some commonly used engineering metals to change its crystal form or chemical activity to improve its corrosion resistance. [0004] 2. Medium treatment: that is to remove or reduce the corrosion factors in the environment where metal materials are located, such as adjusting the pH value of the medium, removing oxygen in the boiler, etc. [0005] 3. Electrochemical protection: mainly includes c...

Claims

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Application Information

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IPC IPC(8): C09D125/14C09D133/08C09D193/04C09D183/04C09D5/08C09D7/61C09D7/62C09D7/63D01F9/22D01F1/10C08F212/08C08F220/18C08F230/02
CPCC08F212/08C08F220/18C08L2201/08C08L2205/03C09D5/08C09D5/18C09D7/61C09D7/62C09D7/63C09D7/70C09D125/14C09D143/02D01F1/10D01F9/22C08L93/04C08L83/04C08K13/06C08K7/06C08K3/36C08K5/09C08K9/02C08K3/346C08K13/04C08F230/02
Inventor 李翠萍谢耀平
Owner 广州市领格汽车零件制造有限公司
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