Corrosion inhibition of copper by new triazole phosphonate derivatives

被引：53
|
作者：
Ramesh, S [1 ]
Rajeswari, S
Maruthamuthu, S
机构：
[1] Univ Madras, Dept Analyt Chem, Madras 600025, Tamil Nadu, India
[2] Cent Electrochem Res Inst, Karaikkudi, Tamil Nadu, India
来源：
APPLIED SURFACE SCIENCE | 2004年 / 229卷 / 1-4期
关键词：
corrosion; copper; inhibitor; biocide;
D O I：
10.1016/j.apsusc.2004.01.063
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
New corrosion inhibitors, namely 3-vanilidene amino 1,2,4-triazole phosphonate (VATP) and 3-anisalidene amino 1,2,4-triazole phosphonate (AATP) were synthesised and their action along with biocide on corrosion control of copper in neutral aqueous environment has been studied. Potentiodynamic polarisation measurement and electrochemical impedance spectroscopy (EIS) has been employed to analyse of their inhibition behaviour. VATP showed better protection over the other inhibitors used. The dissolution of copper in presence of VATP and AATP with biocide mixture is negligible compared to blank. A combination of electrochemical methods and surface examination techniques are used to investigate the protective film and explain the mechanistic aspects of corrosion inhibition. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：214 / 225
页数：12
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