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Electric plating liquid

A technology of electroplating solution and nickel sulfate, which is applied in the field of electroplating solution and electroplating solution for nickel plating, which can solve the problems of pinholes and easy falling off of the coating, and achieve the effect of firm coating and strong binding ability

Inactive Publication Date: 2018-07-24
CHENGDU LIANLIDA HARDWARE PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although it is widely used, there are still many defects that are difficult to overcome in the existing nickel plating technology, including the phenomenon that the coating is easy to fall off, and the coating is prone to pinholes.

Method used

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Examples

Experimental program
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Embodiment Construction

[0012] An electroplating solution comprising the following components: nickel sulfate, nickel chloride, boric acid, sodium sulfamate, sodium citrate, sodium carboxymethylcellulose (CMC), ethylene glycol, sodium octyl sulfate and water.

[0013] Preferably: the electroplating solution comprises the following components: nickel sulfate 250~350g / L, nickel chloride 25~50g / L, boric acid 30~40g / L, sodium sulfamate 15~25g / L, sodium citrate 10~15g / L, sodium carboxymethylcellulose (CMC) 10~20g / L, ethylene glycol 10~20g / L, sodium octyl sulfate 3~10g / L and water.

[0014] It is also preferred that the electroplating solution also includes the component 2-ethylhexyl sodium sulfate.

[0015] Further preferably: the content of 2-ethylhexyl sodium sulfate in the electroplating solution is 5-10 g / L.

[0016] Further preferably: the electroplating solution comprises the following components: nickel sulfate 250~350g / L, nickel chloride 25~50g / L, boric acid 30~40g / L, sodium sulfamate 15~25g / L, c...

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PUM

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Abstract

The invention discloses electric plating liquid, which is prepared from the following ingredients including nickel sulfate, nickel chloride, boracic acid, ammonia sodium sulfonate, sodium citrate, CMC(sodium carboxymethyl cellulose), glycol, sodium octyl sulfate and water. By using the electric plating liquid, a tighter and more compact plating layer can be obtained; the bonding capability of theplating layer with the surface of the plated metal is high; phenomena such as peeling, falling, pinhole cannot occur.

Description

technical field [0001] The invention relates to the technical field of electroplating solutions, in particular to the technical field of electroplating solutions for nickel plating. Background technique [0002] Electroplating is the process of plating a thin layer of other metals or alloys on the surface of some metals by using the principle of electrolysis. Through electroplating, a protective layer can be formed on the surface of the metal to be plated, thereby enhancing the oxidation resistance and corrosion resistance of the metal surface to be plated. abrasion resistance. [0003] Nickel plating is a common electroplating method, which is widely used in automobiles, bicycles, watches, medical equipment, instruments and daily hardware, etc. Although it is widely used, there are still many defects that are difficult to overcome in the existing nickel plating technology, including the phenomenon that the coating is easy to fall off, and the coating is prone to pinholes. ...

Claims

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Application Information

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IPC IPC(8): C25D3/12
CPCC25D3/12
Inventor 姚小林
Owner CHENGDU LIANLIDA HARDWARE PROD
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