Solvent-starved conditions in confinement cause chemical oscillations excited by passage of a cathodic delamination front.

Chem Commun (Camb)

Max-Planck-Institut für Eisenforschung GmbH, Max-Planck-Str. 1, 40237 Düsseldorf, Germany.

Published: November 2015

AI Article Synopsis

  • After a delamination front occurs at the polymer/zinc interface, there are observable oscillations in pH and corrosion product amounts.
  • These oscillations happen due to limited water in the reaction area and the consumption of water during the oxygen reduction process.
  • Water is then regenerated after zinc oxide (ZnO) precipitates, contributing to these fluctuations.

Article Abstract

After passage of a delamination front at a polymer/zinc interface, pH oscillations and oscillations in the quantity of corrosion products are observed. The reason for these oscillations is the low quantity of water in the confined reaction volume, water consumption by oxygen reduction, and water regeneration after precipitation of ZnO.

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Source
http://dx.doi.org/10.1039/c5cc06468fDOI Listing

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