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Zinc-nickel alloy plating solution and plating method

A zinc-nickel alloy and plating solution technology, applied in the field of acid zinc-nickel alloy plating solution, can solve the problem of no carbonate accumulation and the like

Active Publication Date: 2015-11-25
NIPPON HYOMEN KAGAKU KK
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, there is no accumulation of carbonates that can be seen in alkaline plating baths

Method used

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  • Zinc-nickel alloy plating solution and plating method
  • Zinc-nickel alloy plating solution and plating method
  • Zinc-nickel alloy plating solution and plating method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0085] Hereinafter, examples for demonstrating the effects of the present invention will be described in detail.

[0086] 1.Basic plating bath and alkaline plating bath for comparison

[0087] The basic plating bath and the alkaline plating bath for comparison objects of the composition described in the following Table 1 and Table 2 were prepared. Materials to which predetermined amounts of each amine compound were added (or materials not added) were used as Examples 1-7 and Comparative Examples 1-4.

[0088] [Table 1]

[0089]

[0090] Pluronic F68*1: ADEKA Co., Ltd., PEG / PPG-160 / 30 copolymer

[0091] SURFYNOL485*2: Acetylene glycol EO adduct manufactured by AIR PRODUCTS

[0092] EMAL20C*3: manufactured by Kao Corporation, sodium lauryl polyoxyethylene sulfate

[0093] SANDEDAL*4 (Sanded AL*4): Sanyo Chemical Co., Ltd., sodium alkyl diphenyl ether disulfonate

[0094] LugalvanBNO12*5: Made by BASF Corporation, EO adduct of β-naphthol (EO, 12 moles)

[0095] [Table ...

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Abstract

To provide a high-nickel plating bath which is weakly acidic and can stably form a plating film having a nickel content of 11 to 19% (preferably 12 to 18%) even at a current density of 3A / dm2 or more. An acidic zinc-nickel alloy electroplating solution which contains an amine compound represented by the formula H2N-R1-R2 {wherein: R1 is [(CH2)M-NH]L or (CH2)N; R2 is H, NH2 or R3; R3 is an alkanol or alkoxyl group having 1, 2, 3, 4 or 5 carbon atoms; L is 2, 3, 4 or 5; M is 2, 3, 4 or 5; and N is 3, 4 or 5}.

Description

technical field [0001] The present invention relates to a zinc-nickel alloy plating solution and a plating method using the same. More specifically, it relates to an acidic zinc-nickel alloy plating solution and an electroplating method using the same. Background technique [0002] Steel and the like of automobile parts, building materials, and the like can be exemplified as one of the metals that are prone to rust. Conventionally, galvanizing and zinc-based alloy plating have been widely used as anticorrosion methods for such metals that are prone to rust. In particular, among zinc-plated alloys, zinc-nickel alloys are being widely used in automobile parts and the like because of their excellent corrosion resistance. As one of the specific methods of this zinc-nickel alloy plating, it can be deposited at the cathode by direct current electrolysis of a plating solution in which a compound of zinc and nickel is dissolved in a weakly acidic or alkaline aqueous solution. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D3/56
CPCC25D3/565C25D5/36C25D5/48
Inventor 大町光宽金子厚伊藤聪志
Owner NIPPON HYOMEN KAGAKU KK
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