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Preparation method of chemical nickel-plating solution

A technology of electroless nickel plating and preparation method, which is applied in the direction of liquid chemical plating, metal material coating process, coating, etc., and can solve the problem of nickel plating solution scrapping, solution stability is not high, and electroless nickel plating scrap solution treatment process is complicated and other problems, to achieve the effect of fine electroless nickel plating and good bonding force

Inactive Publication Date: 2016-05-18
CHANGDE LYRUN MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional electroless nickel plating process has always had the problem of low solution stability. After a certain period of use, it is easy to cause the entire nickel plating solution to be scrapped. Nickel Plating Wastewater Process

Method used

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  • Preparation method of chemical nickel-plating solution

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of preparation method of electroless nickel plating solution, process condition is as follows:

[0022] (1) Inject 1 / 3 volume of pure water into the nominal roughening tank, add sulfuric acid according to the technical requirements of 1ml / L concentration, and then add acetic acid according to the technical requirements of 1ml / L concentration, adjust the pH to 1.5, and finally use Fill the roughening tank with pure water to the volume required by the process, then heat the solution in the tank to 40°C, and seal it for later use.

[0023] (2) Inject 1 / 3 volume of pure water into the nominally good sensitization tank, add stannous chloride according to the technical requirements of a concentration of 5g / L, then add hydrochloric acid according to the technical requirements of a concentration of 1ml / L, and finally use pure water Fill the roughening tank with the volume required by the process, then heat the solution in the tank to 40°C, and seal it for later use.

[...

Embodiment 2

[0028] A kind of preparation method of electroless nickel plating solution, process condition is as follows:

[0029] (1) Inject 1 / 3 volume of pure water into the nominal roughening tank, add sulfuric acid according to the technical requirements of the concentration of 3ml / L, then add acetic acid according to the technical requirements of the concentration of 3ml / L, adjust the pH to 2.0, and finally use Fill the roughening tank with pure water to the volume required by the process, then heat the solution in the tank to 45°C, and seal it for later use.

[0030] (2) Inject 1 / 3 volume of pure water into the nominal sensitization tank, add stannous chloride according to the technical requirements of 8g / L concentration, then add hydrochloric acid according to the technical requirements of 2ml / L concentration, and finally use pure water Fill the roughening tank with the volume required by the process, then heat the solution in the tank to 50°C, and seal it for later use.

[0031] (...

Embodiment 3

[0034] A kind of preparation method of electroless nickel plating solution, process condition is as follows:

[0035] (1) Inject 1 / 3 volume of pure water into the nominal roughening tank, add sulfuric acid according to the technical requirements of a concentration of 5ml / L, and then add acetic acid according to the technical requirements of a concentration of 5ml / L, adjust the pH to 2.5, and finally use Fill the roughening tank with pure water to the volume required by the process, then heat the solution in the tank to 55°C, and seal it for later use.

[0036] (2) Inject 1 / 3 volume of pure water into the nominal sensitization tank, add stannous chloride according to the technical requirements of concentration 10g / L, then add hydrochloric acid according to the technical requirements of 3ml / L concentration, and finally use pure water Fill the roughening tank with the volume required by the process, then heat the solution in the tank to 55°C, and seal it for later use.

[0037] ...

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Abstract

The invention provides a preparation method of a chemical nickel-plating solution. The preparation method includes the steps of coursing, sensitizing, activating and nickel plating. The preparation method is simple in process. The chemical nickel-plating solution which is prepared through the method and is high in stability and long in service life has relatively stable chemical nickel plating performance and is long in service life, and meanwhile the crystallization of a product obtained through chemical nickel plating is more delicate.

Description

technical field [0001] The invention relates to a preparation method of an electroless nickel plating solution with high stability and long service life. Background technique [0002] Electroless nickel plating is one of the effective processes for the metallization of non-metallic surfaces at present. The electroless nickel plating process can obtain a uniform and bright nickel plating layer. The traditional electroless nickel plating process has always had the problem of low solution stability. After a certain period of use, it is easy to cause the entire nickel plating solution to be scrapped. The process of nickel plating wastewater. Therefore, the development of an electroless nickel plating solution with high stability and long service life is of great significance for reducing the impact of wastewater treatment on the environment and improving the economic benefits of enterprises. Contents of the invention [0003] The invention aims to provide a preparation metho...

Claims

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Application Information

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IPC IPC(8): C23C18/36
Inventor 肖进春胡鹏李立伟
Owner CHANGDE LYRUN MATERIAL
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