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Anti-corrosive and oil sensitive coatings based on epoxy/polyaniline/magnetite-clay composites through diazonium interfacial chemistry

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dc.title Anti-corrosive and oil sensitive coatings based on epoxy/polyaniline/magnetite-clay composites through diazonium interfacial chemistry en
dc.contributor.author Jlassi, Khouloud
dc.contributor.author Radwan, A. Bahgat
dc.contributor.author Sadasivuni, Kishor Kumar
dc.contributor.author Mrlík, Miroslav
dc.contributor.author Abdullah, Aboubakr M.
dc.contributor.author Chehimi, Mohamed M.
dc.contributor.author Krupa, Igor
dc.relation.ispartof Scientific Reports
dc.identifier.issn 2045-2322 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2018
utb.relation.volume 8
utb.relation.issue 1
dc.type article
dc.language.iso en
dc.publisher Nature Publishing Group
dc.identifier.doi 10.1038/s41598-018-31508-0
dc.relation.uri https://www.nature.com/articles/s41598-018-31508-0
dc.description.abstract Epoxy polymer nanocomposites filled with magnetite (Fe3O4) clay (B), named (B-DPA-PANI@Fe3O4) have been prepared at different filler loading (0.1, 0.5, 1, 3, 5 wt. %). The surface modification of clay by polyaniline (PANI) is achieved in the presence of 4-diphenylamine diazonium salt (DPA). The effects of the nanofiller loading on Tensile, mechanical and dielectric properties were systematically studied. Improved properties was highlighted for all reinforced samples. The addition of only 3 wt. % of the filler enhanced the tensile strength of the composites by 256%, and the glass transition temperature Tg by 37%. The dielectric spectra over a broad frequency showed a robust interface between the hybrid (B-DPA-PANI@Fe3O4) fillers and epoxy matrix. The results showed most significant improvement in corrosion inhibition using electrochemical impedance spectroscopy (EIS) in 3.5 wt % NaCl, as well as a significant response in oil sensing test. High charge transfer resistance of 110 × 106 Ω.cm2 using 3-wt % of filler was noted compared to 0.35 × 106 Ω.cm2 for the pure epoxy. The results obtained herein will open new routes for the preparation of efficient anticorrosion sensor coatings. © 2018, The Author(s). en
utb.faculty University Institute
dc.identifier.uri http://hdl.handle.net/10563/1008193
utb.identifier.obdid 43879691
utb.identifier.scopus 2-s2.0-85052916833
utb.identifier.wok 000443802200030
utb.identifier.pubmed 30190528
utb.source j-scopus
dc.date.accessioned 2018-10-03T11:13:01Z
dc.date.available 2018-10-03T11:13:01Z
dc.description.sponsorship NPRP Award from the Qatar National Research Fund (a member of Qatar Foundation) [8-878-1-172]
dc.rights Creative Commons Attribution License 4.0
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.rights.access openAccess
utb.ou Centre of Polymer Systems
utb.contributor.internalauthor Mrlík, Miroslav
utb.fulltext.affiliation Khouloud Jlassi1, A. Bahgat Radwan1, Kishor Kumar Sadasivuni1, Miroslav Mrlik2, Aboubakr M. Abdullah http://orcid.org/0000-0001-8406-9782 1, Mohamed M. Chehimi3 & Igor Krupa1,4 1 Center for Advanced Materials, Qatar University, P. O. Box 2713, Doha, Qatar. 2 Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Trida T. Bati 5678, 760 01, Zlin, Czech Republic. 3 University Paris Est, CNRS, UMR7182, ICMPE, UPEC, F-94320, Thais, France. 4 QAPCO Polymer Chair, Center for Advanced Materials, Qatar University, P.O. Box 2713, Doha, Qatar. Correspondence and requests for materials should be addressed to K.J. (email: khouloud.jlassi@qu.edu.qa) or I.K. (email: igor.krupa@qu.edu.qa)
utb.fulltext.dates Received: 22 March 2018 Accepted: 10 August 2018 Published online: 06 September 2018
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utb.fulltext.sponsorship The NPRP Award [8-878-1-172] from the Qatar National Research Fund (a member of Qatar Foundation) made this manuscript possible.
utb.wos.affiliation [Jlassi, Khouloud; Radwan, A. Bahgat; Sadasivuni, Kishor Kumar; Abdullah, Aboubakr M.; Krupa, Igor] Qatar Univ, Ctr Adv Mat, POB 2713, Doha, Qatar; [Mrlik, Miroslav] Tomas Bata Univ Zlin, Univ Inst, Ctr Polymer Syst, Trida T Bati 5678, Zlin 76001, Czech Republic; [Chehimi, Mohamed M.] Univ Paris Est, CNRS, UMR7182, ICMPE,UPEC, F-94320 Thais, France; [Krupa, Igor] Qatar Univ, Ctr Adv Mat, QAPCO Polymer Chair, POB 2713, Doha, Qatar
utb.scopus.affiliation Center for Advanced Materials, Qatar University, P. O. Box 2713, Doha, Qatar; Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Trida T. Bati 5678, Zlin, 760 01, Czech Republic; University Paris Est, CNRS, UMR7182, ICMPE, UPEC, Thais, F-94320, France; QAPCO Polymer Chair, Center for Advanced Materials, Qatar University, Doha, P.O. Box 2713, Qatar
utb.fulltext.projects NPRP 8-878-1-172
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