Interactions of N,N′-dimethylaminoethanol with steel surfaces in alkaline and 
chlorine containing solutions

Welle, A.; Liao, J.D.; Kaiser, K.; Grunze, M.; Mäder, U.; Blank, N.

doi:10.1016/S0169-4332(97)00216-X

Item

ITEM ACTIONSEXPORT

Add to Basket

Local TagsRelease HistoryDetailsSummary

Released

Journal Article

Interactions of N,N′-dimethylaminoethanol with steel surfaces in alkaline and chlorine containing solutions

MPS-Authors

/persons/resource/persons211638

Grunze, M.
Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society;

External Resource

https://www.sciencedirect.com/science/article/pii/S016943329700216X/pdf?md5=17bc94efbcb8164a2db39f73190eac1a&pid=1-s2.0-S016943329700216X-main.pdf
(Any fulltext)

https://doi.org/10.1016/S0169-4332(97)00216-X
(Any fulltext)

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

Welle, A., Liao, J., Kaiser, K., Grunze, M., Mäder, U., & Blank, N. (1997). Interactions of N,N′-dimethylaminoethanol with steel surfaces in alkaline and chlorine containing solutions. Applied Surface Science, 119(3-4), 185-198. doi:10.1016/S0169-4332(97)00216-X.

Cite as: https://hdl.handle.net/21.11116/0000-0001-B2A4-C

Abstract

Formulations based on dilute aqueous solutions of N,N′-dimethylethanolamine (DMEA) are used to protect reinforcement steel bars (‘rebar’) in concrete from corrosion. In a previous paper we discussed the usefulness of X-ray photoelectron spectroscopy (XPS) to detect DMEA adsorbed from solution and the application of secondary neutral mass spectrometry (SNMS) to study migration of DMEA through a cement matrix. In this report we present XPS data of DMEA adsorbed on steel surfaces from alkaline and chlorine containing solutions of variable concentration range and discuss models for the interaction of DMEA with the oxidized steel surface and the mechanism of corrosion inhibition of DMEA. DMEA is strongly bonded to the steel surface and displaces ionic species from the substrate/solution interface hence protecting the ironoxide surface from ionic attack.