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Anticorrosion electroplated nickel layer sealing agent

A technology of electroplating nickel and sealing agent, which is applied in the field of corrosion-resistant electroplating nickel layer sealing agent, which can solve the problems of electroplating nickel layer pores and other problems, and achieve the effects of strong adhesion, high corrosion resistance, and long salt spray test time

Inactive Publication Date: 2017-11-03
深圳市钝化技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the problem of porosity in the electroplated nickel layer, which is different from the traditional chromate treatment process for protection, and proposes a corrosion-resistant electroplated nickel layer sealant, which can obtain the effect of environmental protection

Method used

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  • Anticorrosion electroplated nickel layer sealing agent
  • Anticorrosion electroplated nickel layer sealing agent
  • Anticorrosion electroplated nickel layer sealing agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A kind of anti-corrosion electroplating nickel layer sealing agent, comprises following mass percentage composition:

[0023]

[0024]

[0025] Using the above formula, soak iron-nickel-plated workpieces at room temperature for 5 minutes according to the working solution composed of sealing agent and water at a ratio of 1:10, and then dry them at 80°C. After standing for 24 hours, conduct a salt spray test on the workpiece for 360 hours.

Embodiment 2

[0027] A kind of anti-corrosion electroplating nickel layer sealing agent, comprises following mass percentage composition:

[0028]

[0029] Using the above formula, soak iron-nickel-plated workpieces at room temperature for 5 minutes according to the working solution composed of sealing agent and water at a ratio of 1:10, and then dry them at 80°C. After standing for 24 hours, conduct a salt spray test on the workpiece for 340 hours.

Embodiment 3

[0031] A kind of anti-corrosion electroplating nickel layer sealing agent, comprises following mass percentage composition:

[0032]

[0033] Using the above formula, soak iron-nickel-plated workpieces at room temperature for 5 minutes according to the working solution composed of sealant and water at a ratio of 1:10, and then dry them at 80°C. After standing for 24 hours, conduct a salt spray test on the workpiece for 313 hours.

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Abstract

The invention discloses a corrosion-resistant electroplated nickel layer sealing agent, which comprises the following mass percentage composition: 85%-95% of isohexanediol; 0.5%-2% of carbonate type quaternary ammonium salt; 1%-borate type antirust additive 3%; A agent 1.5%-7%; B agent 1%-4%; the A agent is a mixture of triethanolamine and benzotriazole; the mass percentage of the B agent is composed as follows: boric acid 2%-10 %; Polyethylene Glycol 10%‑30%; Alcoholamine 15%‑30%; Mineral Oil 20%‑50%. The present invention has the following beneficial effects: (1), the working fluid of the sealing agent is an emulsion system, which has high corrosion resistance for the nickel plating layer, and does not contain harmful substances such as formaldehyde, benzene, and heavy metals; (2), sealing The film layer has good compactness, strong adhesion, and long salt spray test time; (3) The formula is novel, and it is an emulsified liquid system sealant compounded by coupling agent, surfactant, and various corrosion inhibitors.

Description

technical field [0001] The invention relates to a sealing agent for electroplating nickel layer, in particular to a sealing agent for corrosion-resistant electroplating nickel layer. Background technique [0002] Nickel electroplating is a method of depositing a layer of nickel on the surface of ferrous or non-ferrous metal parts by means of electrochemical operations. Electroplated nickel is mainly used as a protective decorative coating, and is widely used in automobiles, bicycles, watches, medical equipment, instruments and daily hardware. [0003] During the nickel electroplating process, due to the cathodic polarization, the surface state of the substrate, the impurities in the plating solution, etc., there are certain pores on the surface of the coating. The corrosion rate is high, and the final coating is not protected, but the substrate is more severely corroded. Although the traditional chromate treatment process has good effect, but the Cr 6+ Ions are highly tox...

Claims

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Application Information

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IPC IPC(8): C25D5/48
CPCC25D5/48
Inventor 陆碧红何汉泉
Owner 深圳市钝化技术有限公司
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