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Xiaofan Zhai,Congtao Sun,Ke Li,Maria Agievich,Jizhou Duan,Baorong Hou 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.36 No.-
The present research seeks to address biologically influenced corrosion by electrodepositing a novel 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one(DCOIT)-zinc composite films for enhanced corrosion resistantproperties. Investigated by electrochemical methods, energy dispersive spectroscopy distributionmapping, and infrared absorption spectroscopy, a deposition mechanism was proposed wherein theDCOIT molecule chelated the zinc ion to participate in electrodeposition. The DCOIT-zinc chelateproduced obvious alterations in the surface morphology and crystal orientations. Thermogravimetricanalysis determined the DCOIT mass fraction in the composite film was 5%. The DCOIT-zinc compositefilm demonstrated uniform corrosion in natural seawater and the enhanced anticorrosion property wasachieved by successfully embedding DCOIT.