1、

the invention can substantially improve the surface glossiness and stability of plating coat;

本发明提供的电镀用组合物能显著提高镀层的表面光泽度和稳定性。

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2、

Silver-coated carbonyl iron powder was prepared by using electroless plating method.

用化学镀法,甲醛为还原剂,制备镀银羰基铁粉.

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3、

The principle of plating bronze by chemical displacement and control measures of coat composition are introduced. To reduce Sn 2+ content and add acidness of plating bath is beneficial to stabilization. To add addition can also raise stability of plating bath.

介绍置换镀锡青铜的原理及镀层成分控制措施,在镀液中降低Sn2+含量、增加镀液的酸度有利于镀液的稳定,加入添加剂也可提高镀液的稳定性。

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4、

Adding the additives into chemical displacement Cu plating solution of CuSO 4-H 2 SO 4 and adjusting process parameter, high binding strength displacement copper coat whose thickness is 0.1~ 0.3 μ m can be obtained in 2~ 5 s.

在以硫酸铜和硫酸为主要成分的化学置换铜溶液中加入专用添加剂,并通过调整工艺参数,可在2~5s的反应时间内得到0.1~0.3μm厚度的高结合强度的置换铜层。

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