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Process for prolonging service life of chemical nickel-plating liquid product

A technology of process and potion, applied in the direction of metal material coating process, liquid chemical plating, coating, etc., can solve the problems of low cost, unfavorable cost, short cycle of nickel chemical potion, etc., to achieve cost reduction, easy realization, and realization of enterprise profit effect

Inactive Publication Date: 2014-07-02
WINSTAR CHEM SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under the premise that all enterprises intend to minimize costs and maximize corporate profits under the premise of ensuring quality, the current cycle of various nickel chemical solutions is generally relatively short, which is not conducive to cost reduction

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] When the nickel bath solution stops working, electrolysis is carried out with a small current of 0.5ASD, and the electrolysis is stopped during production. This operation is repeated every time the production process is performed. Finally, it was found that the life of the liquid reached 7-8 MTO, the phosphorus content was about 4%, and the hardness, wear resistance, and weldability all met the standards.

Embodiment 2

[0018] When the nickel bath solution stops working, electrolysis is carried out with a small current of 0.5ASD, and the electrolysis is stopped during production. This operation is repeated every time the production process is performed. Finally, it was found that the life of the liquid reached 5-6MTO, the phosphorus content was about 7%, and the hardness, abrasion resistance, and weldability all met the standards.

Embodiment 3

[0020] When the nickel bath solution stops working, electrolysis is carried out with a small current of 0.5ASD, and the electrolysis is stopped during production. This operation is repeated every time the production process is performed. Finally, it was found that the life of the liquid reached 9-10MTO, the phosphorus content was about 11%, and the corrosion resistance, hardness, abrasion resistance, and weldability all met the standards.

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PUM

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Abstract

The invention discloses a process of prolonging service life of a chemical nickel-plating liquid product, and relates to the production technical field of the chemical nickel-plating liquid product. The process is as follows: (1), respectively placing a cathode rod and an anode rod into bath liquor when a nickel bath is under a non-working state; (2), carrying out electrolysis by using 0.5 ASD small current for mainly separating out impurity ions such as Fe<3+>, Cu<2+> in the nickel bath at a cathode in the form of elementary substances; and (3), stopping the electrolysis when bath liquor works. The process disclosed by the invention is simple in process step and easy to realize, lowers cost and maximizes the corporate profits.

Description

Technical field [0001] The invention relates to the technical field of the production of nickel syrup, in particular to a process for prolonging the life of nickel syrup. Background technique [0002] At present, the products of electroless nickel plating at home and abroad mainly include low-phosphorus, medium-phosphorus and high-phosphorus electroless nickel. Generally, the period of low-phosphorus chemical nickel is 5-6MTO, the period of medium-phosphorus chemical nickel is 3-4MTO, and the period of high-phosphorus chemical nickel is 7-8MTO. At present, all companies intend to minimize costs and maximize corporate profits under the premise of ensuring quality. However, the current cycle of various nickel syrups is generally relatively short, which is not conducive to cost reduction. Summary of the invention [0003] The purpose of the present invention is to provide a process for prolonging the life of nickel syrup, which has simple process steps, is easy to implement, reduces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C18/32
Inventor 叶本聪张志恒沈显强孙勇
Owner WINSTAR CHEM SHANGHAI