Synergetic active corrosion protection of AA2024-T3 by 2D-anionic and 3D-cationic nanocontainers loaded with Ce and mercaptobenzothiazole
authors Zadeh, MA; Tedim, J; Zheludkevich, M; van der Zwaag, S; Garcia, SJ
nationality International
journal CORROSION SCIENCE
author keywords Organic coatings; Rare earth elements; EIS; Interfaces
keywords RARE-EARTH COMPOUNDS; FILIFORM CORROSION; NACL SOLUTION; INHIBITION; COATINGS; ZEOLITES; PIGMENTS; CE(III); GREEN; FILMS
abstract In the current paper the corrosion inhibition synergy between Ce3+ loaded NaY-zeolite (NaY-Ce) and 2-Mercaptobenzothiazole (MBT) loaded Zn-Al layered double hydroxide (LDH-MBT) containers is presented. Solutions and water-borne epoxy coatings containing different ratios of the two loaded carriers were prepared and their protection of AA2024-T3 and damaged coatings characterized using global and local electrochemical techniques and other complementary tools. The coatings containing container-combinations showed exceptional corrosion protection over a broad range of NaY-Ce:LDH-MBT weight ratios, with 90:10 being the optimal. The current work landmarks the need for synergetic inhibiting studies devoted to carrier-inhibitor systems in coatings.
publisher PERGAMON-ELSEVIER SCIENCE LTD
issn 0010-938X
year published 2018
volume 135
beginning page 35
ending page 45
digital object identifier (doi) 10.1016/j.corsci.2018.02.018
web of science category Materials Science, Multidisciplinary; Metallurgy & Metallurgical Engineering
subject category Materials Science; Metallurgy & Metallurgical Engineering
unique article identifier WOS:000429513700003
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