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Composition for metal surface treatment and environment-friendly treatment method thereof

A metal surface treatment and environmental protection treatment technology, applied in the direction of metal material coating process, etc., can solve the problems of poor protective effect of protective agent, incomplete metal surface treatment, etc., and achieve the goal of maintaining surface finish, good surface finish and prolonging service life Effect

Inactive Publication Date: 2016-07-20
TIANJIN ZHONGDING ALUMINUM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing metal treatment is generally to polish the metal, and then spray the protective agent on the metal surface, which will lead to incomplete metal surface treatment and poor protective effect of the protective agent

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A metal surface environmental protection treatment method, the specific steps are: first degreasing treatment, the metal is treated with a degreasing treatment agent to ensure the smooth progress of the next procedure; then grinding is performed on the treated metal, and the metal The surface is polished and smooth; after polishing, the metal is put into the composition for soaking, and the composition includes 6 parts of silicate, 7 parts of Bi ion, 4 parts of chitosan, 2 parts of active agent, 3 parts of antioxidant, and 6 parts of lubricant parts, 5 parts of film-forming aids, 11 parts of ethanol, and 56 parts of water. Put the polished metal into the compound species for soaking to make the surface smoother, and then dry it after soaking; passivate the dried metal; and finally spray the passivated metal with a processor to make it It forms a protective film.

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PUM

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Abstract

The invention provides a composition for metal surface treatment and an environment-friendly treatment method thereof. The composition for metal surface treatment is characterized by comprising the following components in percentage by weight: 4-10 parts of silicate, 3-9 parts of Bi ions, 2-5 parts of chitosan, 1-2 parts of active agents, 3-5 parts of antioxidants, 3-7 parts of lubricants, 2-5 parts of coalescing agents, 5-12 parts of ethanol and the balance of water. The composition for metal surface treatment, provided by the invention, enables the surface treatment to become cleaner. The degreasing treatment is firstly performed to remove grease on a metal surface, so that the smoothness of next operation is guaranteed, and the treatment effect is better. Such operations as passivation and protective film spraying are performed after soaking of the composition; and a protective film is formed on the metal surface again after treatment, so that the surface smoothness of metal can be preferably kept, the interior of the metal can be preferably isolated from the exterior, the metal is prevented from being corroded, and the service life of the metal is prolonged.

Description

technical field [0001] The invention relates to the field of metal treatment, in particular to a metal surface treatment composition and an environment-friendly treatment method thereof. Background technique [0002] One of the main reasons for the electrochemical corrosion of metals is that the surface is in contact with the electrolyte solution or humid atmosphere, resulting in metal corrosion. Accordingly, the metal surface can be isolated from the corrosive environment by changing the state of the metal surface to prevent the occurrence of metal corrosion. Reduce the service life of metal products. The existing metal treatment generally involves grinding the metal, and then spraying a protective agent on the metal surface, which will result in incomplete metal surface treatment and poor protective effect of the protective agent. Contents of the invention [0003] According to the above technical problems, the present invention provides a composition for metal surface ...

Claims

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Application Information

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IPC IPC(8): C23C22/68
Inventor 张小磊
Owner TIANJIN ZHONGDING ALUMINUM IND CO LTD
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