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Corrosion of mild steel with composite polyaniline coatings using different formulations

Authorized Users Only
2015
Authors
Grgur, Branimir
Elkais, Ali Ramadan
Gvozdenović, Milica M.
Drmanić, Saša Ž.
Trišović, Tomislav
Jugović, Branimir
Article (Published version)
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Abstract
The protective abilities of composite coatings based on electrochemically and chemically formed polyaniline powder against the corrosion of mild steel were investigated. A polyaniline powder has been prepared in the form of an emeraldine base and benzoate salt through chemical dedoping and doping. The composite coatings using polyaniline powders, which were obtained through different routes, and base coatings, which were not corrosion-resistant, with different formulations were prepared and applied on mild steelsamples. The corrosion was investigated using an electrochemical impedance technique in 3% NaCl, andthe atmospheric corrosion was assessed in a humidity chamber. Emeraldine-benzoate salts, which area chemically synthesized polyaniline, offer the best protection with an optimal polyaniline concentration of approximately 5 wt%. The different corrosion behaviors were assessed relative to the presence of aniline oligomers in the samples after characterization using UV-vis spectropho...tometry. Upon comparison between the corrosion behavior in 3% NaCl with commercial primer paint for iron and that with apaint containing 5 wt% PANI, the composite coating has superior anticorrosion characteristics. The mech-anism for the protection of mild steel from corrosion through composite polyaniline coatings was also considered. © 2014 Elsevier B.V. All rights reserved.

Keywords:
composites / corrosion / polyaniline / UV-visible spectrophotometry
Source:
Progress in Organic Coatings, 2015, 79, C, 17-24
Publisher:
  • Elsevier
Funding / projects:
  • Electrochemical synthesis and characterization of nanostructured functional materials for application in new technologies (RS-172046)

DOI: 10.1016/j.porgcoat.2014.10.013

ISSN: 0300-9440

WoS: 000348880500003

Scopus: 2-s2.0-84926380784
[ Google Scholar ]
66
47
Handle
https://hdl.handle.net/21.15107/rcub_dais_3539
URI
https://dais.sanu.ac.rs/123456789/3539
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Grgur, Branimir
AU  - Elkais, Ali Ramadan
AU  - Gvozdenović, Milica M.
AU  - Drmanić, Saša Ž.
AU  - Trišović, Tomislav
AU  - Jugović, Branimir
PY  - 2015
UR  - https://dais.sanu.ac.rs/123456789/3539
AB  - The protective abilities of composite coatings based on electrochemically and chemically formed polyaniline powder against the corrosion of mild steel were investigated. A polyaniline powder has been prepared in the form of an emeraldine base and benzoate salt through chemical dedoping and doping. The composite coatings using polyaniline powders, which were obtained through different routes, and base coatings, which were not corrosion-resistant, with different formulations were prepared and applied on mild steelsamples. The corrosion was investigated using an electrochemical impedance technique in 3% NaCl, andthe atmospheric corrosion was assessed in a humidity chamber. Emeraldine-benzoate salts, which area chemically synthesized polyaniline, offer the best protection with an optimal polyaniline concentration of approximately 5 wt%. The different corrosion behaviors were assessed relative to the presence of aniline oligomers in the samples after characterization using UV-vis spectrophotometry. Upon comparison between the corrosion behavior in 3% NaCl with commercial primer paint for iron and that with apaint containing 5 wt% PANI, the composite coating has superior anticorrosion characteristics. The mech-anism for the protection of mild steel from corrosion through composite polyaniline coatings was also considered. © 2014 Elsevier B.V. All rights reserved.
PB  - Elsevier
T2  - Progress in Organic Coatings
T1  - Corrosion of mild steel with composite polyaniline coatings using different formulations
SP  - 17
EP  - 24
VL  - 79
IS  - C
DO  - 10.1016/j.porgcoat.2014.10.013
UR  - https://hdl.handle.net/21.15107/rcub_dais_3539
ER  - 
@article{
author = "Grgur, Branimir and Elkais, Ali Ramadan and Gvozdenović, Milica M. and Drmanić, Saša Ž. and Trišović, Tomislav and Jugović, Branimir",
year = "2015",
abstract = "The protective abilities of composite coatings based on electrochemically and chemically formed polyaniline powder against the corrosion of mild steel were investigated. A polyaniline powder has been prepared in the form of an emeraldine base and benzoate salt through chemical dedoping and doping. The composite coatings using polyaniline powders, which were obtained through different routes, and base coatings, which were not corrosion-resistant, with different formulations were prepared and applied on mild steelsamples. The corrosion was investigated using an electrochemical impedance technique in 3% NaCl, andthe atmospheric corrosion was assessed in a humidity chamber. Emeraldine-benzoate salts, which area chemically synthesized polyaniline, offer the best protection with an optimal polyaniline concentration of approximately 5 wt%. The different corrosion behaviors were assessed relative to the presence of aniline oligomers in the samples after characterization using UV-vis spectrophotometry. Upon comparison between the corrosion behavior in 3% NaCl with commercial primer paint for iron and that with apaint containing 5 wt% PANI, the composite coating has superior anticorrosion characteristics. The mech-anism for the protection of mild steel from corrosion through composite polyaniline coatings was also considered. © 2014 Elsevier B.V. All rights reserved.",
publisher = "Elsevier",
journal = "Progress in Organic Coatings",
title = "Corrosion of mild steel with composite polyaniline coatings using different formulations",
pages = "17-24",
volume = "79",
number = "C",
doi = "10.1016/j.porgcoat.2014.10.013",
url = "https://hdl.handle.net/21.15107/rcub_dais_3539"
}
Grgur, B., Elkais, A. R., Gvozdenović, M. M., Drmanić, S. Ž., Trišović, T.,& Jugović, B.. (2015). Corrosion of mild steel with composite polyaniline coatings using different formulations. in Progress in Organic Coatings
Elsevier., 79(C), 17-24.
https://doi.org/10.1016/j.porgcoat.2014.10.013
https://hdl.handle.net/21.15107/rcub_dais_3539
Grgur B, Elkais AR, Gvozdenović MM, Drmanić SŽ, Trišović T, Jugović B. Corrosion of mild steel with composite polyaniline coatings using different formulations. in Progress in Organic Coatings. 2015;79(C):17-24.
doi:10.1016/j.porgcoat.2014.10.013
https://hdl.handle.net/21.15107/rcub_dais_3539 .
Grgur, Branimir, Elkais, Ali Ramadan, Gvozdenović, Milica M., Drmanić, Saša Ž., Trišović, Tomislav, Jugović, Branimir, "Corrosion of mild steel with composite polyaniline coatings using different formulations" in Progress in Organic Coatings, 79, no. C (2015):17-24,
https://doi.org/10.1016/j.porgcoat.2014.10.013 .,
https://hdl.handle.net/21.15107/rcub_dais_3539 .

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