Tailored polymer coatings as corrosion inhibitor for mild steel in acid medium

被引：10

作者：

Abd El-Hafeez, Ghada M. ^{[1
]}

El-Rabeie, Mohamed M. ^{[1
]}

Gaber, Ahlam F. ^{[1
]}

Farag, Zeinab R. ^{[1
]}

机构：

[1] Fayoum Univ, Fac Sci, Chem Dept, Al Fayyum 63514, Egypt

来源：

JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH | 2021年 / 18卷 / 02期

关键词：

Electropolymerization; Mild steel; Corrosion inhibition; Cyclic voltammograms; Coatings; CARBON-STEEL; OXIDE-FILMS; POLYANILINE; DERIVATIVES;

D O I：

10.1007/s11998-020-00426-0

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Poly(o-bromophenol-co-N-methylaniline) [poly(OBP-co-NMA)] was electropolymerized in an acidic medium at 30 degrees C under inert atmosphere. The formed polymer was characterized using IR spectroscopy, XRD, SEM and TGA analysis. The efficiency of the deposited polymer as a corrosion protection coating on a mild steel electrode in an acidic medium was investigated. Corrosion and impedance measurements reveal that the prepared polymer has excellent passivation properties. The free energy of adsorption of the prepared polymer on the electrode surface was in the range of approximate to - 19.5 kJ mol(-1), which reveals a physical adsorption of the inhibitor molecules on the metallic surface.

引用

页码：581 / 590

页数：10

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