Journal
CORROSION SCIENCE
Volume 178, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2020.109099
Keywords
MOF; ZIF-67@APS; Epoxy; Self-healing; Corrosion; EIS
Funding
- Golestan University, Gorgan, Iran
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The study demonstrated for the first time the synthesis and use of ZIF-67 NPs as a corrosion inhibitor container to enhance the barrier/active corrosion protection features of epoxy coatings. The active corrosion inhibition effect of the epoxy/ZIF-67@APS NPs was proven through electrochemical achievements.
In this study, for the first time, the ZIF-67 NPs were synthesized and used as a corrosion inhibitor container to enhance the barrier/active corrosion protection features of the epoxy coating. The protection performance of the ZIF-67 and ZIF-67@APS NPs filled epoxy composites was evaluated by EIS, salt-fog, and cathodic delamination experiments. The coating resistance values of the ZIF-67 and ZIF-67@APS NPs filled epoxy coatings reduced from 3.49 x 10(10) Omega. cm(2) to 2.47 x 10(9) Omega. cm(2) and from 8.16 x 10(10) Omega. cm(2) to 5.78 x 10(9) Omega. cm(2), respectively, after 50 days of immersion. The active corrosion inhibition effect of the epoxy/ZIF-67@APS NPs was demonstrated by electrochemical achievements.
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