Insulating organic coatings by electropolymerization of heterocyclic corrosion inhibitors

被引：0
|
作者：
Perrin, F.X. [1 ]
Pagetti, J. [1 ]
机构：
[1] Lab de Corrosion et Traitements de, Surface, Besancon, France
来源：
Materials Science Forum | 1998年 / 289-292卷 / pt 1期
关键词：
Aromatic polymers - Copper - Corrosion inhibitors - Corrosion resistance - Electrochemical electrodes - Electropolymerization - Insulating materials - Iron - Organic coatings - Platinum - Sodium chloride - Sulfur compounds;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The feasibility of anodic electropolymerization of 2-mercaptobenzimidazole (2-MBI) and 2-hydroxybenzothiazole (2-OHBT) was demonstrated on Pt, Cu and Fe electrodes in methanol or water-methanol alkaline solutions. With 2-MBI, thick powdery and poorly adherent coatings were obtained limiting its interest as a protective coating. With 2-OHBT, thin (<0.1 μm) adherent coatings were obtained motivating an electrochemical estimate of their corrosion resistance in NaCl (3%) solution. These results were explained considering the greater tendency to formation of insoluble dimeric products with 2-MBI compared with 2-OHBT.
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页码：439 / 448
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