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<strong>Galvanostatic optimization of polyaniline coating on mild steel in tartrate medium for corrosion protection</strong>

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Title Statement <strong>Galvanostatic optimization of polyaniline coating on mild steel in tartrate medium for corrosion protection</strong>
 
Added Entry - Uncontrolled Name Gupta, Dipak Kumar; Central Department of Chemistry Tribhuvan University
Neupane, Shova ; Centre national de la recherche scientifique (CNRS), Paris, France
Singh, Sanjay ; Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu, Nepal
Yadav, Amar Prasad; Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu, Nepal
Nepal Academy of Science and Technology (NAST)
 
Uncontrolled Index Term Aniline; Electropolymerization; Mild Steel; Polyaniline; Sodium potassium tartrate
 
Summary, etc. <p><span>Optimization of polyaniline (PANI) coating on mild steel (MS) surface has been studied in 0.3 M aniline + 0.2 M sodium potassium tartrate (Na-K Tartrate) by galvanostatic polarization. The current densities of 0.5, 0.75. 1 and 2 mA cm-2 are used for the electrodeposition of PANI on MS. The obtained PANI coatings have been characterized for its morphology using an optical microscope and corrosion performance by using potentiodynamic polarization in 0.4 M Na2SO3 solution simulating an industrial environment. The results reveal a sequential process of dissolution of MS, passivation of MS by forming tartrate salt followed by oxidation of aniline monomer and subsequential nucleation and growth of PANI coating. It is found that the PANI coating obtained at 0.5 mA cm-2 results in better coating producing corrosion inhibition efficiency (IE) of approximately 90% compared to IE of about 75% for coating obtained at 2 mA cm-2.</span></p>
 
Publication, Distribution, Etc. Indian Journal of Chemical Technology (IJCT)
2022-07-12 00:00:00
 
Electronic Location and Access application/pdf
http://op.niscair.res.in/index.php/IJCT/article/view/54305
 
Data Source Entry Indian Journal of Chemical Technology (IJCT); ##issue.vol## 29, ##issue.no## 1 (2022): Indian Journal of Chemical Technology
 
Language Note en
 
Nonspecific Relationship Entry http://op.niscair.res.in/index.php/IJCT/article/download/54305/465575598