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

Application number 201610111574. 5

Application date 2016. 02. 29

Applicant Guangzhou Hongwei Technology Co., Ltd.

Address 510663, No. 6, Keji Road, Science City, High-tech Industrial Development Zone, Guangzhou City, Guangdong Province

Inventor Xu Jinlai, Zhao Guopeng, Hu Yaohong

Patent agency Guangzhou Huaxue Intellectual Property Agency Co., Ltd. 44245

Agent Su Yunzhen

Name of invention

A solution and method for cyanide-free alkaline bright rolling copper plating

Summary

The present invention discloses a solution and method for cyanide-free alkaline bright barrel copper plating. This solution contains BH 582 Cylinder Opener No. 1, 300mL/L BH-582 Cylinder Starter No. 2, 10ml/L of additives and pH adjuster. The addition amount of BH-582 Cylinder Opener No. 1 is based on its and BH -582 The content of copper ion in the final system after the matching of No. 2 Cylinder Opener is 5~7g/L, the amount of pH adjuster is based on the final system maintained at pH 9~11; the additives are made of brightener, positioner and The wetting agent is composed of a volume ratio of 1: (1~3): 1. The method for cyanide-free alkaline bright barrel copper plating provided by the present invention is to use the aforementioned solution for barrel copper plating, and includes the following steps: pre-treatment of the iron-based blank, activation, and water washing to perform cyanide-free alkaline bright barrel copper plating. On the basis of ensuring the bonding force between the plating layer and the substrate, the aforementioned solution and method can replace the cyanide system pre-plating to achieve the goal of environmentally friendly and clean production.
A non-cyanide Alkaline bright barrel copper plating solution and method.pdf