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|Title:||Corrosion protection of mild steel by electroactive polyaniline coatings|
Polyaniline and derivatives
|Source:||Li, P.,Tan, T.C.,Lee, J.Y. (1997-06-15). Corrosion protection of mild steel by electroactive polyaniline coatings. Synthetic Metals 88 (3) : 237-242. ScholarBank@NUS Repository.|
|Abstract:||The ability of polyaniline (PANi) to act as a protective coating for mild steel corrosion in saline and acid was investigated by electrochemical impedance spectroscopy. The impedance behaviour is best explained by a mediated redox reaction in which PANi passivates the metal surface and reoxidizes itself by dissolved oxygen. The effectiveness of such a process, which also provides the repassivation of damaged films, is greater in acids. The performance of PANi is further enhanced by the presence of a top coat to increase the diffusional resistance for the corrosion species.|
|Source Title:||Synthetic Metals|
|Appears in Collections:||Staff Publications|
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