Effect of cyclic benzo-12-crown-4 polyether on copper electrodeposition from sulfate aqueous ethanol baths

被引：0
|
作者：
Kuznetsov, V. V. [1 ]
Skibina, L. M. [1 ]
Geshel', S. V. [1 ]
机构：
[1] Rostov State Univ, Rostov Na Donu 344090, Russia
来源：
PROTECTION OF METALS | 2006年 / 42卷 / 03期
关键词：
Copper; Sulfate; Ether; Inorganic Chemistry; SO42;
D O I：
10.1134/S0033173206030076
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
It is found that the effectiveness of crown ether (with benzo-12-crown-4 as an example) is a function of the composition of the water-ethanol solvent and the bulk and surface concentration of sulfate anions. An increase in the adsorbability of sulfate anions at Cu in the presence of the crown ether (Psi'-effect) enhances its 14 inhibitive effect on copper electrodeposition. The electrode reaction is best inhibited, and electroplates with enhanced tribotechnical characteristics are obtained, in the zone of ethanol structure stabilization, in which the adsorption of SO4- anions by copper is the highest because of the "desalting" effect.
引用
收藏
页码：253 / 259
页数：7
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