Inhibition by phosphonic acids - an overview

被引：26

作者：

Gunasekaran, G ^{[1
]}

Natarajan, R ^{[1
]}

Muralidharan, VS ^{[1
]}

Palaniswamy, N ^{[1
]}

Rao, BVA ^{[1
]}

机构：

[1] REG ENGN COLL,WARANGAL,ANDHRA PRADESH,INDIA

来源：

ANTI-CORROSION METHODS AND MATERIALS | 1997年 / 44卷 / 04期

关键词：

ceramics; corrosion; metals;

D O I：

10.1108/00035599710183216

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Phosphonic acids are good complexing agents. However, they are not good as inhibitors except for a very few. Synergistic inhibition is offered in the presence of metal cations like Ca2+, Mg2+, Zn2+ and others in neutral media. The zinc ion is an ideal choice. The part of zinc ions are now replaced by polymers, azoles to prepare eco-friendly inhibitor formulations. They are also used as corrosion inhibitors in concrete, coatings, rubber blends, acid cleaners, anti-freeze coolants, etc. Discusses the various applications of phosphonic acids and their action mechanisms.

引用

页码：248 / &

页数：13

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