Solution and method for cyanide-free alkaline bright barrel copper plating

A barrel plating and alkaline technology, applied in the field of electrochemical surface science and engineering, can solve the problems of inconvenient operation, charging into the tank, poor brightness, etc., and achieve the effects of good bonding force, time saving and time shortening.
CN105543908AActive Publication Date: 2016-05-04GUANGZHOU HONWAY TECH CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGZHOU HONWAY TECH CORP
Publication Date
2016-05-04

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Abstract

The invention discloses a solution and a method for cyanide-free alkaline bright barrel copper plating. The solution comprises a No.1 BH-582 plating bath solution, 300 ml / L of a No.2 BH-582 plating bath solution, 10 ml / L of an additive and a pH value regulator, wherein the addition amount of the No.1 BH-582 plating bath solutions is calculated in such a manner that the content of copper ions in a final system is 5-7 g / L after the No.1 BH-582 plating bath solution and the No.2 BH-582 plating bath solution are matched, and the usage amount of the pH value regulators is based on the condition that the pH of the final system is kept between 9 and 11; the additive comprises a brightener, a bath change agent and a wetting agent in the volume ratio being 1:(1-3):1. The method for cyanide-free alkaline bright barrel copper plating adopts the solution for barrel copper plating and comprises steps as follows: pretreatment of an iron-based blank, activation, water washing and then cyanide-free alkaline bright barrel copper plating. On the basis that the binding force between plating and a matrix is guaranteed, the solution and the method can replace a cyanide system for pre-plating, and environment-friendly and clean production is realized.
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Description

technical field

[0001] The invention belongs to the field of electrochemical surface science and engineering, in particular to a solution and method for cyanide-free alkaline bright barrel copper plating. Background technique

[0002] Cyanide copper plating has been used as a barrel copper plating process for a long time, but cyanide is highly toxic and poses a serious threat to operators and the environment, which makes cyanide barrel copper plating contrary to clean production. Therefore, cyanide-free barrel copper plating is the direction of future development . Cyanide-free alkaline barrel copper plating is the product of national clean production development requirements, which largely eliminates the hazards of cyanide copper plating to operators and the environment. A lot of hard work has been put in, and great progress has been made.

[0003] At present, compared with cyanide barrel copper plating, traditional cyanide-free barrel copper plating still has the followi...

Claims

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