Zinc-nickel alloy electroplating liquid and electroplating method

A technology of zinc-nickel alloy and electroplating solution, which is applied in the field of electroplating and can solve problems such as poor resistance to neutral salt spray

Inactive Publication Date: 2020-11-03
霸州市青朗环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The prior art discloses a variety of zinc-nickel alloy electroplating solutions, such as Chinese patent CN109252194A discloses a zinc-nickel alloy electroplating solution, including zinc oxide, sodium hydroxide, nickel supplement, nick

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  • Zinc-nickel alloy electroplating liquid and electroplating method

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Embodiment 1～6

[0028] According to the formula shown in Table 1, all the components were mixed well and evenly to prepare the electroplating solution.

[0029] The electroplating solution formula of table 1 embodiment

[0030]

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Abstract

The invention provides zinc-nickel alloy electroplating liquid. The zinc-nickel alloy electroplating liquid comprises 30-50 g/L of zinc chloride, 10-20 g/L of zinc acetate, 30-40 g/L of nickel sulfate, 100-150 g/L of sodium hydroxide, 20-40 g/L of a complexing agent, 5-10 g/L of a brightener and water. The brightener comprises sodium glycolate, sodium sulfamate, toluenesulfonamide and propargyl alcohol in a ratio of (1-2): (1-2): (3-5): (3-5); and the complexing agent comprises sodium citrate, ethylenediamine and triethanolamine in a mass ratio of (1-2): (3-5): (3-5). According to the electroplating liquid, zinc chloride, zinc acetate and nickel sulfate are used as main salt, and the brightener and the complexing agent with specific compositions are matched, so that a plating layer obtained by electroplating not only has good deep plating capability, but also has good wear resistance, high brightness and good neutral salt mist resistance.

Description

technical field [0001] The invention relates to the technical field of electroplating, in particular to a zinc-nickel alloy electroplating solution and an electroplating method. Background technique [0002] Zinc-nickel alloy coating is an excellent protective coating, mainly used in aerospace, automotive industry and mechanical and electronic products. In the anticorrosion and protection of parts in the electrical field, the zinc-nickel alloy film layer is the final protective film layer, which requires excellent corrosion resistance, wear resistance and hardness. [0003] With the rapid development of modern industry and science and technology, higher and higher requirements are put forward for the anti-corrosion performance of the material surface. The prior art discloses a variety of zinc-nickel alloy electroplating solutions, such as Chinese patent CN109252194A discloses a zinc-nickel alloy electroplating solution, including zinc oxide, sodium hydroxide, nickel supplem...

Claims

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Application Information

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IPC IPC(8): C25D3/56
CPCC25D3/565
Inventor 杨紫惠
Owner 霸州市青朗环保科技有限公司
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