Synergized Plant Leave Extracts as Substitute to Toxic Additives in Alkyd Resin Primer for Corrosion Inhibition of Steel
American Journal of Applied Chemistry
Volume 4, Issue 3, June 2016, Pages: 97-103
Received: Apr. 22, 2016; Accepted: May 4, 2016; Published: May 23, 2016
Views 3431      Downloads 98
Authors
Sodiya Ezekiel Folorunso, Chemistry Department, Faculty of Science, University of Ibadan, Ibadan, Nigeria
Dawodu Folasegun Anthony, Chemistry Department, Faculty of Science, University of Ibadan, Ibadan, Nigeria
Oyedele Adebayo Abidemi, Chemistry Department, Faculty of Science, University of Ibadan, Ibadan, Nigeria
Article Tools
Follow on us
Abstract
Inhibition of steel corrosion by synergized leave extracts of Sida acuta and Jatropha curcas as additives substitute to synthetic compounds in Alkyd based Primer coats was investigated in 1.0 M HCl using the gasometric technique at 30°C and 50°C. Results obtained showed that the extract alternative effectively inhibited corrosion of degalvanised steel more than the synthetic chemical. This was confirmed by optimum inhibition efficiency of 93% to 90% corrosion rate 0.202 cm3/hr to 0.337 cm3/hr of the extract to the synthetic compound. Activation energy and Energy of adsorption decrease with time. Fourier transform infra red analysis confirmed the presence of C=O of ester by the presence of C-O functional band at 1094 cm-1. Surface morphology of the steel with the synergized were studied with Scanning electron microscope (SEM) and Electron dispersive X-ray spectroscopy (EDX) which revealed the protection of the internal grains of the metal from dissolution into corrodent provided by the adsorbed film the extract.
Keywords
Synergized Extract, Jatropha curas, Sida acuta, Deglavanised Steel, Alkyd-Extract Primer, Alkyd Zn-primer
To cite this article
Sodiya Ezekiel Folorunso, Dawodu Folasegun Anthony, Oyedele Adebayo Abidemi, Synergized Plant Leave Extracts as Substitute to Toxic Additives in Alkyd Resin Primer for Corrosion Inhibition of Steel, American Journal of Applied Chemistry. Vol. 4, No. 3, 2016, pp. 97-103. doi: 10.11648/j.ajac.20160403.15
Copyright
Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
References
[1]
Mars G. Fontana 1987, Corrosion Engineering. McGraw-Hill International 3rd edition. Material science and engineering series.
[2]
Morgans W. M. 1990. Outlines of Paint Technology. Edward Arnold, A division of Hooder and Stoughton London. ISBN 0-85264-308 X.
[3]
Barraclough J. and Harrison J. B. 1965. New leadless anticorrosive primers, JOCCA 48, 897.
[4]
Ekpe, U. J., Ebenso, E. E., Ibok, U. J., (1994) Inhibitory action of Azadirachta indica leaves extract on corrosion of mild steel in tetraoxosulphate (vi) acid dissolution of metals. J. W Afri. Sci Assoc. 37, 13-30.
[5]
Loto, C. A., (1998); The Effect of Bitterleaf Extracts on Corrosion of Mild Steel in 0.5M HCl and H2SO4 Solutions, Nigeria Corrosion Journal International, vol. 1, pp 19-20
[6]
Burkill, H. M. 1994. The useful plants of west tropical Africa. Royal Botanic Garden, Kew. Vol. 2: 88- 91.
[7]
Ekpo M. A. and Etim P. C. 2009. Antimicrobial activity of ethanolic and aqueous extracts of Sida acuta on microorganisms from skin infection. J. Med. Plants Res., 3 (2009), pp. 621–624.
[8]
Caceres A, Giron L. M., A. M. Martinez M. A. 1987. Diuretic activity of plants used for the treatment of urinary ailments in Guatemala. J. Ethnopharmacol., 19, pp. 233–245.
[9]
Noor, E. A. 2005. Corrosion Science, 47: 33.
[10]
Orubite-Okorosaye K and Oforka, N. C. 2004. Corrosion Inhibition of Zinc on HCl using Nypa fruticans Wurmb Extract and 1,5 Diphenyl Carbazone Journal of Applied Science and Environs Mgt., 8(1): 56.
[11]
Dawodu F. A. and Sodiya 2015 E. F. Corrosion inhibitory characteristics of Jatropha curcas on Zinc alloy in 1.5M HCl solution. International Journal of current research Vol 7, issue 09, pp 20524 -30530.
[12]
Mathur, P. B. and Vasudevan T. 1982. Reactions Rate studies for the corrosion of metals in acid-I Iron in mineral acids Corrosion. NACE. 38, 3: 171–178.
[13]
Noor E. A. and Al-Moubaraki A. H. 2008. Corrosion behavior of mild steel in Hydrochloric acid solutions. Int. J. Electrochem Sci, 3, 806-818.
[14]
Ajayi, O. O., Omotosho, O. A., Ajanaku, K. O. and Olawore, B. O. 2011. Degradation of aluminium alloy in 2.0M HCl in the presence of Chromolaena Odorata, J Eng. Applied Sci 6(1): 10–17.
[15]
Raimi, Monsurat M., Oyekanmi, Adeyinka M., And Adegoke, Bosede M. 2014. Proximate, Phytochemical and Micronutrient Composition of Sida acuta IOSR Journal of Applied Chemistry (IOSR-JAC) e-ISSN: 2278-5736. Volume 7, Issue 2 Ver. I. www.iosrjournals.org 93 | Page.
[16]
Harry-Aso, Joy L. and Eno-Obong O. S. 2014 Comparative Study of the Phytochemical Properties of Jatropha curcas and Azadirachta indica Plant Extracts Journal of Poisonous and Medicinal Plants Research Vol. 2(2), pp. 020-024. ISSN 2315-8834© 2014 Apex Journal International.
ADDRESS
Science Publishing Group
1 Rockefeller Plaza,
10th and 11th Floors,
New York, NY 10020
U.S.A.
Tel: (001)347-983-5186