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Zn plating liquid

A technology of electroplating solution and current density, which is applied in the field of electroplating solution, can solve problems such as inability to meet large-scale production, and achieve the effects of strong corrosion resistance, fast light emission, and good leveling

Inactive Publication Date: 2012-04-18
张家港舒马克电梯安装维修服务有限公司镀锌分公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, as a relatively general electroplating additive, various formulations currently on the market still have certain defects and cannot meet the needs of large-scale production.

Method used

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  • Zn plating liquid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A Zn electroplating solution additive, its material and composition are as follows:

[0017] ZnCl 2 65g / L

[0018] KCl 198g / L

[0019] HBO 3 32g / L

[0020] Polyethylene glycol 15mL / L.

[0021] The above materials are mixed uniformly in proportion, and the pH is adjusted to be 5.5~6.0; the current density of the Zn plating solution is 2~4A / dm 2 ; The temperature of the Zn electroplating solution is 15-35°C. Electroplating by using the above-mentioned Zn electroplating solution has the advantages of fast light emission, good leveling property and strong corrosion resistance.

Embodiment 2

[0023] A kind of Zn electroplating solution, its material and composition are as follows:

[0024] ZnCl 2 60g / L

[0025] KCl 200g / L

[0026] HBO 3 35g / L

[0027] Acetophenone 18mL / L.

[0028] Mix the above materials evenly in proportion, adjust the pH to 4.5-5.0; the current density of the Zn electroplating solution is 2-4A / dm 2 ; The temperature of the Zn electroplating solution is 15-35°C. Electroplating by using the above-mentioned Zn electroplating solution has the advantages of fast light emission, good leveling property and strong corrosion resistance.

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Abstract

The invention discloses Zn plating liquid, which comprises the following materials: 50 to 65 g / L of ZnCl2, 190 to 210 g / L of KCl, 30 to 35 g / L of HBO3 and 15 to 18 mL / L of brightener. The Zn plating liquid has the advantages of quick light outgoing, high leveling performance and high corrosion resistance.

Description

technical field [0001] The invention belongs to the field of electroplating solution, in particular to a Zn electroplating solution. Background technique [0002] Potassium chloride acidic galvanizing additive has been used for a long time, and has the advantages of fast light emission, good leveling and strong corrosion resistance. Considering that acidic tin plating and potassium hydrochloride acidic galvanizing additive have some identical or similar components, it is added Used in acid tin plating, after long-term use, the tin layer crystallizes finely and moves well. [0003] However, as a relatively general electroplating additive, various formulations currently on the market still have certain defects and cannot meet the needs of large-scale production. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a Zn electroplating solution with fast light emission, good leveling property and strong corrosion resista...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D3/22
Inventor 蒋惠良
Owner 张家港舒马克电梯安装维修服务有限公司镀锌分公司