Corrosion inhibition efficiency of some hydrophobically modified chitosan surfactants in relation to their surface active properties
This work deals with surface activity and corrosion inhibition efficiency of the natural polymer chitosan and its hydrophobically modified derivatives (eight polymeric compounds). Chitosan was found to be inactive at interfaces but the hydrophobic modification using different aliphatic and aromatic...
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| Format: | Article |
| Language: | English |
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Egyptian Petroleum Research Institute
2014-12-01
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| Series: | Egyptian Journal of Petroleum |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1110062114000609 |
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| author | Ahmed M. Alsabagh Maher Z. Elsabee Yasser M. Moustafa Alzahraa Elfky Rania E. Morsi |
| author_facet | Ahmed M. Alsabagh Maher Z. Elsabee Yasser M. Moustafa Alzahraa Elfky Rania E. Morsi |
| author_sort | Ahmed M. Alsabagh |
| collection | DOAJ |
| description | This work deals with surface activity and corrosion inhibition efficiency of the natural polymer chitosan and its hydrophobically modified derivatives (eight polymeric compounds). Chitosan was found to be inactive at interfaces but the hydrophobic modification using different aliphatic and aromatic substituents renders the products surface active polymers. From the obtained data it was found that the surface active properties increased by increasing the hydrophobic character of these polymers.
Chitosan and its based surfactants were investigated as corrosion inhibitors for carbon steel in 1 M HCl solution using the potentiodynamic polarization method. The resulted corrosion inhibition efficiency situated between 67.56% and 93.23% at 250 ppm and 25 °C. The inhibition efficiency was discussed on the light of surface active properties and the chemical structure of the used derivatives. The quantum chemical calculations were performed for some chitosan derivatives. The charge density distribution, highest occupied molecular orbital (HOMO), the lowest unoccupied molecular orbital (LUMO), and dipole moment were considered. |
| format | Article |
| id | doaj-art-e7ed1bf5462e4216943e1120a42a7b9f |
| institution | OA Journals |
| issn | 1110-0621 |
| language | English |
| publishDate | 2014-12-01 |
| publisher | Egyptian Petroleum Research Institute |
| record_format | Article |
| series | Egyptian Journal of Petroleum |
| spelling | doaj-art-e7ed1bf5462e4216943e1120a42a7b9f2025-08-20T02:03:52ZengEgyptian Petroleum Research InstituteEgyptian Journal of Petroleum1110-06212014-12-0123434935910.1016/j.ejpe.2014.09.001Corrosion inhibition efficiency of some hydrophobically modified chitosan surfactants in relation to their surface active propertiesAhmed M. Alsabagh0Maher Z. Elsabee1Yasser M. Moustafa2Alzahraa Elfky3Rania E. Morsi4Egyptian Petroleum Research Institute, EgyptCairo University, Faculty of Science, Chemistry Department, EgyptEgyptian Petroleum Research Institute, EgyptEgyptian Petroleum Research Institute, EgyptEgyptian Petroleum Research Institute, EgyptThis work deals with surface activity and corrosion inhibition efficiency of the natural polymer chitosan and its hydrophobically modified derivatives (eight polymeric compounds). Chitosan was found to be inactive at interfaces but the hydrophobic modification using different aliphatic and aromatic substituents renders the products surface active polymers. From the obtained data it was found that the surface active properties increased by increasing the hydrophobic character of these polymers. Chitosan and its based surfactants were investigated as corrosion inhibitors for carbon steel in 1 M HCl solution using the potentiodynamic polarization method. The resulted corrosion inhibition efficiency situated between 67.56% and 93.23% at 250 ppm and 25 °C. The inhibition efficiency was discussed on the light of surface active properties and the chemical structure of the used derivatives. The quantum chemical calculations were performed for some chitosan derivatives. The charge density distribution, highest occupied molecular orbital (HOMO), the lowest unoccupied molecular orbital (LUMO), and dipole moment were considered.http://www.sciencedirect.com/science/article/pii/S1110062114000609ChitosanHydrophobic modificationsChitosan surfactantsCorrosion inhibitorsQuantum chemical calculations |
| spellingShingle | Ahmed M. Alsabagh Maher Z. Elsabee Yasser M. Moustafa Alzahraa Elfky Rania E. Morsi Corrosion inhibition efficiency of some hydrophobically modified chitosan surfactants in relation to their surface active properties Egyptian Journal of Petroleum Chitosan Hydrophobic modifications Chitosan surfactants Corrosion inhibitors Quantum chemical calculations |
| title | Corrosion inhibition efficiency of some hydrophobically modified chitosan surfactants in relation to their surface active properties |
| title_full | Corrosion inhibition efficiency of some hydrophobically modified chitosan surfactants in relation to their surface active properties |
| title_fullStr | Corrosion inhibition efficiency of some hydrophobically modified chitosan surfactants in relation to their surface active properties |
| title_full_unstemmed | Corrosion inhibition efficiency of some hydrophobically modified chitosan surfactants in relation to their surface active properties |
| title_short | Corrosion inhibition efficiency of some hydrophobically modified chitosan surfactants in relation to their surface active properties |
| title_sort | corrosion inhibition efficiency of some hydrophobically modified chitosan surfactants in relation to their surface active properties |
| topic | Chitosan Hydrophobic modifications Chitosan surfactants Corrosion inhibitors Quantum chemical calculations |
| url | http://www.sciencedirect.com/science/article/pii/S1110062114000609 |
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