Journal
CORROSION SCIENCE
Volume 163, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2019.108246
Keywords
Carbon steel; EIS; XPS; Paint coating; Passivity
Funding
- National Natural Science Foundation of China [51401132]
- Natural Science Foundation of Liaoning Province [2019-ZD-0081]
- Liaoning Province Doctor Startup Fund [201601206]
- Key Laboratory Project of Education Department of Liaoning Province [LZ2016004]
- Doctoral Scientific Research Foundation of Liaoning Science and Technology Department, China [201601203]
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In the present work, polyaniline decorated graphene (graphene@PANI) as an inhibitor container loaded with benzotriazole (graphene@PANI@BTA) was prepared and benzotriazole loading concentration in graphene@PANI can reach to 16.2 wt.%. The release experiment illustrates that benzotriazole can be released in a short time and provide an effective protection for carbon steel. Electrochemical measurements results show that epoxy coating containing 0.5 wt. % graphene@PANI@BTA has the best protection and a noticeable self-healing function. The corrosion inhibition mechanism of graphene@PANI@BTA is attributed to the synergistic interaction of graphene, polyaniline, and benzotriazole.
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