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Method surface protective liquid

A metal surface and protection solution technology, applied in the field of phosphating solution, can solve the problems of energy consumption and complex process, and achieve the effects of energy saving, uniform film density and wide application range

Inactive Publication Date: 2005-05-18
史秀敏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the phosphating treatment on the surface of various steel products and components before coating requires the phosphating solution to be heated before phosphating. Therefore, the process is complicated and consumes energy.

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0008] 1. Prepare materials: Take 160 kg of phosphoric acid, 2 kg of potassium molybdate, 15 kg of tartaric acid, 7.5 kg of thiourea, 0.2 kg of AEO-9, 0.3 kg of hydrogen peroxide, and 1000 kg of purified water.

[0009] 2. Add phosphoric acid into water and stir evenly, then add tartaric acid and thiourea, and finally add potassium molybdate, AEO-9 and hydrogen peroxide, stir evenly, and let it stand for 24 hours.

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PUM

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Abstract

The metal surface protecting liquid is compounded with phosphoric acid 160 weight portions, potassium molybdate 2 weight portions, tartaric acid 15 weight portions, thiourea 7.5 weight portions, AEO-9 0.2 weight portions, hydrogen peroxide 0.3 weight portions and water 1000 weight portions. The preparation process includes adding phosphoric acid into water via stirring, adding the other components via stirring, and letting stand of 24 hr. The present invention has the advantages of wide application temperature range, no need of heating in use, fast filming and homogeneous film with high adhesion force to prevent rust.

Description

[0001] Field: [0002] The invention belongs to a phosphating solution for phosphating treatment on the surface of metal components before coating, in particular to a metal surface protection solution. Background technique: [0003] At present, the phosphating treatment on the surface of various steel products and components before coating requires heating the phosphating solution before phosphating. Therefore, the process is complicated and consumes energy. Invention content: [0004] The purpose of the present invention is to overcome the shortcomings in the above-mentioned prior art, and provide a metal surface protection solution that can simplify the phosphating process. [0005] The technical solution of the present invention is: a metal surface protection solution, characterized in that: it is made of the following raw materials according to the following weight ratio: 160 parts of phosphoric acid potassium molybdate 2 parts of tartaric acid 15 parts of thiourea 7.5 p...

Claims

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Application Information

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IPC IPC(8): C23C22/42
Inventor 史秀敏
Owner 史秀敏
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