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Deep hole nickel electroplating plating solution and preparation method thereof

A technology of deep hole electroplating and nickel plating, which is applied in the field of electroplating nickel, can solve the problems of insufficient demand for electroplating and deep plating, and achieve potential industrial application value, good corrosion resistance, and good brightness

Active Publication Date: 2019-10-18
CENT IRON & STEEL RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above analysis, the present invention aims to provide a kind of deep-hole electroplating nickel plating solution, preparation and electroplating method, in order to solve the problem of some deep holes such as battery case caused by the plating solution based on nickel sulfate and nickel sulfamate in the prior art. , Insufficient demand for blind hole electroplating and deep plating

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  • Deep hole nickel electroplating plating solution and preparation method thereof
  • Deep hole nickel electroplating plating solution and preparation method thereof
  • Deep hole nickel electroplating plating solution and preparation method thereof

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preparation example Construction

[0049] The present invention also discloses a method for preparing the plating solution of the above-mentioned deep hole bright nickel plating, comprising the following steps:

[0050] Step 1, weighing various raw materials according to the concentration of each component in the deep hole electroplating nickel solution;

[0051] Step 2, dissolving nickel sulfate, nickel chloride, boric acid, sodium dodecylbenzenesulfonate with deionized water to obtain nickel sulfate basic solution;

[0052] Step 3. Dilute the hydroxypropyl displacing agent with deionized water, then add the diluted hydroxypropyl displacing agent to the nickel sulfate basic solution, mix and stir;

[0053] Step 4, add sodium citrate, stir well;

[0054] Step 5, add ammonium sulfate, fully stir;

[0055] Step 6, adding PS reagent, fully stirring to obtain deep hole electroplating nickel plating solution.

[0056] The preparation method of the invention can ensure that the obtained plating layer is bright and...

Embodiment 1

[0068] The content of each component is as shown in table 1 in the present embodiment announcement a kind of deep-hole electroplating nickel plating solution:

[0069] Contents of each component in the nickel bath for deep-hole electroplating in table 1

[0070]

[0071]

[0072] The present embodiment discloses a kind of preparation method of deep-hole electroplating nickel plating solution, specifically comprises the following steps:

[0073] Step 1. Add 800ml of deionized water to container A. While stirring, add 300g of nickel sulfate, 45g of nickel chloride, 35g of boric acid and 0.05g of sodium dodecylbenzenesulfonate, and stir until completely dissolved;

[0074] Step 2. Take 1ml of hydroxypropyl displacement agent with a volume fraction of 55vt%, dilute it 100 times with deionized water, take 2ml and add it to container A;

[0075] Step 3. Add 200ml of deionized water into container B, add 50g of sodium citrate and 5g of ammonium sulfate under stirring, and stir...

Embodiment 2

[0085] The content of each component is as shown in table 2 in the present embodiment announcement a kind of deep-hole electroplating nickel plating solution:

[0086] Contents of each component in the nickel bath for deep-hole electroplating in table 2

[0087]

[0088] Step 1. Add 800ml of deionized water to container A. While stirring, add 300g of nickel sulfate, 50g of nickel chloride, 50g of boric acid and 0.08g of sodium dodecylbenzenesulfonate, and stir until completely dissolved;

[0089] Step 2. Take 1ml of hydroxypropyl displacement agent with a volume fraction of 55vt%, dilute it 100 times with deionized water, take 20ml and add it to container A;

[0090] Step 3. Add 200ml of deionized water into container B, add 80g of sodium citrate and 20g of ammonium sulfate under stirring, and stir until fully dissolved;

[0091] Step 4. Pour the solution in container B into container A while stirring, and continue stirring for 30 minutes;

[0092] Step 5. Add 0.08 g of P...

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Abstract

The invention discloses a deep hole nickel electroplating plating solution, a preparation method and an electroplating method, and belongs to the technical field of nickel electroplating. The problemsthat in the prior art, nickel sulfate and nickel sulfamate based plating solution can not be used for deep hole plating are solved. The deep hole nickel electroplating plating solution comprises thenickel sulfate, nickel chloride, a boric acid, a dodecylbenzene sulfonic acid, sodium citrate, an ammonium sulfate, a hydroxypropyl pavement agent and a PS reagent; and the nickel electroplating plating solution comprises 200 - 300 g / L of the nickel sulfate, 30 - 50 g / L of the nickel chloride, 30 - 50 g / L of the boric acid, 0.006 - 0.10 g / L of the dodecylbenzene sulfonic acid, 50 - 90 g / L of the sodium citrate, 5 - 20 g / L of the ammonium sulfate, 0.11 - 1.10 ml / L of the hydroxypropyl pavement agent, and 0.001 - 0.10 g / L of the PS reagent. According to the deep hole nickel electroplating plating solution, the electroplating operation of the irregular deep hole in a battery shell is realized.

Description

technical field [0001] The invention belongs to the technical field of electroplating nickel, in particular to a preparation of a deep-hole electroplating nickel plating solution and an electroplating method. Background technique [0002] The battery shell is an important part of the alkaline battery manufacturer. In order to improve its corrosion resistance and decoration, the inner and outer surfaces of the battery steel shell often need to be plated with bright nickel. However, due to the large aspect ratio, the aspect ratio is usually 3.5 to 5.0 In between, it is difficult to guarantee the coating thickness and anti-rust ability of the inner surface by general electroplating process. Although electroless plating can be used to obtain uniform coatings on the inner and outer surfaces, the nickel-phosphorus alloy coating has poor alkali corrosion resistance, easy discoloration, difficult process maintenance, short service life of the plating solution and high cost, so it ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D3/12
CPCC25D3/12
Inventor 黄涛张星燕陈小平王向东刘清友贾书君汪兵童帅
Owner CENT IRON & STEEL RES INST
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