English
 
Help Privacy Policy Disclaimer
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
Add to Basket
  Local TagsRelease HistoryDetailsSummary

Released
Journal Article

Study of the buried interface between zinc and emeraldine base coating

MPS-Authors
/persons/resource/persons136365

Luo,  Yizhong
Corrosion, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;
Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Renmin Street 5625, Changchun, China;
University of Chinese Academy of Sciences, Beijing, China;

/persons/resource/persons125453

Vimalanandan,  Ashokanand
Corrosion, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

/persons/resource/persons125346

Rohwerder,  Michael
Corrosion, Interface Chemistry and Surface Engineering, Max-Planck-Institut für Eisenforschung GmbH, Max Planck Society;

External Resource
No external resources are shared
Fulltext (restricted access)
There are currently no full texts shared for your IP range.
Fulltext (public)
There are no public fulltexts stored in PuRe
Supplementary Material (public)
There is no public supplementary material available
Citation

Luo, Y., Vimalanandan, A., Wang, X., & Rohwerder, M. (2015). Study of the buried interface between zinc and emeraldine base coating. Electrochimica Acta, 161, 10-16. doi:10.1016/j.electacta.2015.02.082.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0026-A0D1-7
Abstract
The corrosion protection mechanism by polyaniline based coatings on metals is widely suggested to be due to the formation of an improved interfacial passive layer. However, it is argued against this that just an improved passive layer is not sufficient on metals such as iron and zinc for providing significant delay of cathodic delamination. Instead a significant inhibition of oxygen reduction is required, e.g. by an electronically insulating oxide. In this work results are presented providing proof for the formation of a highly electronically insulating and stable zinc oxide layer underneath an emeraldine base composite coating. It is shown how the Scanning Kelvin Probe (SKP) can be used to screen for such highly insulating oxide layers underneath coatings containing conducting polymer. © 2015 Elsevier Ltd. All rights reserved.