Corrosion prevention of iron with novel organic inhibitor of hydroxamic acid and UV irradiation
Electrochimica Acta(2008)
摘要
Corrosion prevention by self-assembled monolayers (SAM) of monomer and polymer inhibitor on iron covered with air-formed oxide films was investigated by cyclic voltammetry in borate buffer solution. Anti-corrosion efficiency of the SAM-coated Fe electrodes depends on UV irradiation duration on Fe electrodes prior to coating and inhibitor concentration to form SAM. The 1-h UV-irradiated Fe electrodes coated with SAM exhibits the most effective corrosion resistance despite the anti-corrosion efficiency of air-formed films on Fe was linearly increased with UV irradiation. The addition of monomer in polymer solution improves the stability and corrosion resistance of SAM.
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关键词
Hydroxamic acid,Corrosion prevention,UV irradiation,Cyclic voltammogram,Mixed SAM
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