Journal
CARBOHYDRATE POLYMERS
Volume 151, Issue -, Pages 871-878Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2016.06.001
Keywords
Corrosion; Permeability; Hydrophobicity; Coating; Grafting; Chitosan
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Funding
- NPRP grant from the Qatar National Research Fund
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An anticorrosion coating film based on the formation of nanocomposite coating is reported in this study. The composite consisted of chitosan (green matrix), oleic acid, and graphene oxide (nano filler). The nanocomposite coating was arranged on the surface of carbon steel, and the corrosion resistance was monitored using electrochemical impedance spectroscopy (EIS) and potentiodynamic polarization (PP). Compared to the pure chitosan (CS) coating, the corrosion resistance of oleic acid-modified chitosan/graphene oxide film (CSIG0-0A) is increased by 100 folds. Since the well-dispersed smart grafted nanolayers delayed the penetration rate of corrosive species and thus maintained long term anticorrosive stability which is correlated with hydrophobicity and permeability. (C) 2016 Elsevier Ltd. All rights reserved.
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