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A new inhibitor cum sealant for anodized aluminium surfaces
Published in University of Manchester
Volume: 19
A new inhibitor cum sealant for anodized aluminium has been used involving 1- cyclopropyl-6-fluoro-4-oxo- 7-piperazin-1-yl-quinoline-3-carboxylic acid [CPFP] drug in 3.5% NaCl. The corrosion resistance of the anodized aluminium surfaces could be improved by this new sealant cum inhibitor. The efficacy of the sealant film was assessed by potentiodynamic polarization and A.C impedance analysis. The calculations of quantum mechanical parameters viz., the localization of frontier molecular orbital’s, EHOMO, ELUMO, energy gap (ΔE) and dipole moment (µ), indicated that this new compound retards the corrosion of Anodized aluminium surfaces through its effective adsorption of Al surfaces. © 2016 University of Manchester and the authors.
About the journal
JournalJournal of Corrosion Science and Engineering
PublisherUniversity of Manchester