Synthesis and Characterization of Cyclic Cationic Polymer and its Anti-corrosion Property for Low Carbon Steel in 15% HCl Solution

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dc.contributor.authorHaladu, Shamsuddeen A.
dc.contributor.authorUmoren, Saviour A.
dc.contributor.authorAli, Shaikh A.
dc.contributor.authorSolomon, Moses M.
dc.date.accessioned2020-04-30T23:32:25Z
dc.date.available2020-04-30T23:32:25Z
dc.date.issued2017
dc.departmentDÜ, Mühendislik Fakültesi, Makine Mühendisliği Bölümüen_US
dc.descriptionSolomon, Moses/0000-0002-3251-8846; Haladu, Shamsuddeen A/0000-0002-0786-4878;en_US
dc.descriptionWOS: 000414422900020en_US
dc.description.abstractA new cyclic cationic polymer (CCP) bearing bis-3-phosphorylpropyl pendants was synthesized using chain-growth polymerization technique with ammonium persulphate (APS) as initiator. The synthesized polymer was characterized using FTIR, H-1 NMR and C-13 NMR techniques. The corrosion inhibition performance evaluation of the newly synthesized polymer for low carbon steel in 15% HCl was carried out using weight loss measurements at 25 - 60 degrees C, electrochemical impedance spectroscopy (EIS), potentiodynamic polarization (PDP) and linear polarization resistance (LPR) techniques. The effect of addition of small amounts (5 mM) of ZnCl2 and KI on the corrosion inhibition performance of CCP was also assessed. Results obtained indicate that CCP acts as an inhibitor for low carbon steel corrosion in the aggressive acid environment. Inhibition efficiency increased slightly with increasing CCP concentration. Also, inhibition efficiency was found to decrease with increase in temperature. Addition of ZnCl2 and KI to CCP has profound effect on the corrosion inhibition performance, which was more pronounced with KI compared to ZnCl2. Corrosion protection efficiency followed the trend CCP + KI > CCP + ZnCl2 > CCP. The enhanced corrosion inhibition of CCP on addition of ZnCl2 and KI is due to synergistic effect as confirmed from the calculated synergistic parameter which was found to be greater than unity. Inhibition of low carbon steel corrosion in 15% HCl occurs by virtue of physical adsorption of CCP onto the steel surface which can be approximated by Langmuir adsorption isotherm model. The SEM/EDS images confirm the adsorption of CCP to form protective film on the low carbon steel surface.en_US
dc.description.sponsorshipUniversity of Dammam (UoD) [2016-237-Eng]en_US
dc.description.sponsorshipThe authors gratefully acknowledged the financial support provided by University of Dammam (UoD) through project number: 2016-237-Eng. Some research facilities provided by Centre of Research Excellence in Corrosion, KFUPM are thankfully acknowledged.en_US
dc.identifier.doi10.20964/2017.10.57en_US
dc.identifier.endpage9083en_US
dc.identifier.issn1452-3981
dc.identifier.issue10en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage9061en_US
dc.identifier.urihttps://doi.org/10.20964/2017.10.57
dc.identifier.urihttps://hdl.handle.net/20.500.12684/4713
dc.identifier.volume12en_US
dc.identifier.wosWOS:000414422900020en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherEsgen_US
dc.relation.ispartofInternational Journal Of Electrochemical Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPolymeren_US
dc.subjectHydrochloric aciden_US
dc.subjectsteelen_US
dc.subjectAcid corrosionen_US
dc.subjectCorrosion inhibitionen_US
dc.subjectSynergismen_US
dc.titleSynthesis and Characterization of Cyclic Cationic Polymer and its Anti-corrosion Property for Low Carbon Steel in 15% HCl Solutionen_US
dc.typeArticleen_US

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