The effect of electrolytes on the coating of polyaniline on mild steel by electrochemical methods and its corrosion behavior

doi:10.1016/j.porgcoat.2020.106127

IMR OpenIR

	The effect of electrolytes on the coating of polyaniline on mild steel by electrochemical methods and its corrosion behavior
	Gupta, Dipak Kumar 1,2; Neupane, Shova 1,4; Singh, Sanjay 1; Karki, Nabin 3; Yadav, Amar Prasad 1,5
通讯作者	Neupane, Shova(shova_n@yahoo.com) ; Yadav, Amar Prasad(amar2y@yahoo.com)
	2021-03-01
发表期刊	PROGRESS IN ORGANIC COATINGS
ISSN	0300-9440
卷号	152 页码:10
摘要	Polyaniline (PANI) is extensively researched as a corrosion protection coating for mild steel (MS) against acidic and neutral media. Corrosion inhibition performance of PANI coating on MS depends on the electrolytic solution employed for polymerization. In this study, the electropolymerization of aniline onto MS using sodium potassium tartrate (Na-K tartrate) and benzoic acid in the alcohol-water (BAW) medium is reported. The composition of BAW system was optimized and used for electropolymerization of aniline for the first time. The results showed the formation of a passive yet electm-conductive layer before the polymerization initiated. A compact layer with a fine structured PANI coating in both media was obtained. Cyclic voltammetry (CV) produced a stable PANI coating without showing anodic current in the cathodic scan. The concentration of aniline and electrolytes were optimized for better coating conditions. The prepared PANI coating was characterized by Fourier-transform infrared (FTIR) spectroscopy, Ultraviolet-visible (UV-vis) spectroscopy, Scanning electron microscope (SEM) in combination with energy dispersion spectrometer (EDX) and X-ray diffractometer (XRD). The results of PANI coating in Na-K tartrate and BAW medium are compared with a standard PANI coating prepared in oxalic acid medium. The inhibition efficiencies of PANI coating obtained in Na-K tartrate and BAW were estimated to be 82.5 % and 99.99 %, respectively in 0.1 M NaCl solution.
关键词	Sodium potassium tartrate Electropolymerization Mild steel Polyaniline Corrosion protection
资助者	center for Co-operation in Science and Technology among Developing Societies (CCSTDS), DST, India ; Nepal Academy of Science and Technology (NAST)
DOI	10.1016/j.porgcoat.2020.106127
收录类别	SCI
语种	英语
资助项目	center for Co-operation in Science and Technology among Developing Societies (CCSTDS), DST, India ; Nepal Academy of Science and Technology (NAST)
WOS研究方向	Chemistry ; Materials Science
WOS类目	Chemistry, Applied ; Materials Science, Coatings & Films
WOS记录号	WOS:000618825800002
出版者	ELSEVIER SCIENCE SA
引用统计	被引频次：26[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/161446
专题	中国科学院金属研究所
通讯作者	Neupane, Shova; Yadav, Amar Prasad
作者单位	1.Tribhuvan Univ, Cent Dept Chem, Kathmandu, Nepal 2.Tribhuvan Univ, Trichandra Multiple Campus, Kathmandu, Nepal 3.Tribhuvan Univ, Bhaktapur Multiple Campus, Bhaktpur, Nepal 4.CNRS, Inst Rech Chim ParisTech, 11 Rue Pierre & Marie Curie, F-75005 Paris, France 5.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci SYNL, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Gupta, Dipak Kumar,Neupane, Shova,Singh, Sanjay,et al. The effect of electrolytes on the coating of polyaniline on mild steel by electrochemical methods and its corrosion behavior[J]. PROGRESS IN ORGANIC COATINGS,2021,152:10.
APA	Gupta, Dipak Kumar,Neupane, Shova,Singh, Sanjay,Karki, Nabin,&Yadav, Amar Prasad.(2021).The effect of electrolytes on the coating of polyaniline on mild steel by electrochemical methods and its corrosion behavior.PROGRESS IN ORGANIC COATINGS,152,10.
MLA	Gupta, Dipak Kumar,et al."The effect of electrolytes on the coating of polyaniline on mild steel by electrochemical methods and its corrosion behavior".PROGRESS IN ORGANIC COATINGS 152(2021):10.