Combined tannate/decanoate coatings
By Stoulil, Jan; Fialovà, Anna; Jamborovà, Tereza & KouLil, Milan
Published in Journal of Cultural Heritage
NULL
2014
Abstract
This study focused on tannate and decanoate coatings on iron surfaces and their potential combinations. The properties of the coatings were evaluated using a broad range of methods: spectrophotometry, contact angles measurement, impedance spectroscopy, mass gain, glow discharge optical emission spectroscopy (GD-OES), resistometry, and exposure experiments complete with digital image analysis. A decanoate coating was superior in a humid environment (low wettability and water vapour permeability) than tannate. A combined coating, with tannate deposited initially and then sealed in a decanoate bath, appeared to provide an ideal coating.
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