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An SKP and EIS investigation of amine adsorption on zinc oxide surfaces
RISE - Research Institutes of Sweden, Materials and Production, KIMAB. (Institut de la Corrosion)
RISE - Research Institutes of Sweden, Materials and Production, KIMAB. (Institut de la Corrosion)
Ecole Nationale Supérieure de Chimie de Paris, France.
Ecole Nationale Supérieure de Chimie de Paris, France.
2011 (English)In: Surface and Interface Analysis, ISSN 0142-2421, E-ISSN 1096-9918, Vol. 43, no 10, p. 1286-1298Article in journal (Refereed) Published
Abstract [en]

A metal/oxide/polymer 'interphase' with mixed organic-inorganic nature insures the high stability and the strength of the adhesive joints in a variety of corrosive environments. To model the interaction of epoxy resin with a metal surface, the interaction of amines of different structure with oxidized zinc surfaces was studied by Scanning Kelvin Probe (SKP), FTIR microscopy in atmospheric conditions, and a.c. and d.c. electrochemical techniques in the aqueous electrolyte. It was shown that bidentate ligand-ethylendiamine, forming stable chelate complexes reacts with zinc oxide with redeposition of the interphase. In air and water electrolyte, this ligand shifts the potential of Zn/ZnO electrode to the level of the oxide-free zinc. The amines with low chelating property show low effect on the potential of Zn/ZnO. The SKP was used to measure the potential drop at epoxy resin/zinc interface. On this basis, SKP is proposed as a sensitive nondestructive technique to characterize in situ the interaction of the resin with the metal and the subsequent formation of the interphase in the metal-polymer joints.

Place, publisher, year, edition, pages
2011. Vol. 43, no 10, p. 1286-1298
Keywords [en]
amines adsorption, EIS, Scanning Kelvin Probe, zinc oxide, zinc-epoxy interface, Aqueous electrolyte, Atmospheric conditions, Chelate complex, Corrosive environment, Different structure, Electrochemical techniques, FTIR microscopy, High stability, In-situ, Metal polymers, Metal surfaces, Non-destructive technique, Organic-inorganic, Oxide surface, Potential drop, Redeposition, Scanning Kelvin probes, Water electrolytes, Adhesive joints, Adsorption, Amines, Atmospheric structure, Chelation, Complexation, Electrochemical corrosion, Electrolytes, Epoxy resins, Ligands, Probes, Resins, Zinc
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:ri:diva-40418DOI: 10.1002/sia.3710Scopus ID: 2-s2.0-80052523631OAI: oai:DiVA.org:ri-40418DiVA, id: diva2:1361416
Available from: 2019-10-16 Created: 2019-10-16 Last updated: 2019-10-16Bibliographically approved

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