为了开发一种成本低廉、环境友好且镀层性能好的化学镀铜工艺，以草酸电解还原溶液为还原剂在A3钢表面进行化学镀铜。探讨了镀液组成、pH值及温度对镀铜速度、镀液稳定性及镀层附着力的影响。结果表明：最佳工艺为12～15g／L CuSO4，30～40g／LEDTA，10～20mg／L2，2’-联吡啶，10～12g／L乙醛酸＋5—7g／L草酸（草酸电解还原溶液），pH=12，温度50℃，时间30min；所得镀层附着力良好，外观均匀光亮，镀速达2．2μm／，h，且镀液稳定。本工艺无污染、成本低，为化学镀铜提供了一种新的绿色环保工艺。
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