Imidazoline derivative with four imidazole reaction centers as an efficient corrosion inhibitor for anti-CO2 corrosion

Imidazoline derivative with four imidazole reaction centers as an efficient corrosion inhibitor... Starting from ethylenediamine as the center of the molecule, and terminated by the four peripheral imidazole rings, a dendric derivative with tetra-imidazoline (DDTI) was synthesized. The results of weight loss method showed the inhibition efficiency of DDTI could approximately reach up to 98.29% when the inhibitor dosage was 400 mg L−1. Meanwhile, referring to the potentiodynamic polarization test, DDTI could be classified as a mixed-type inhibitor. What’s more, both electrochemical impedance spectroscopy (EIS) and scanning electron microscope (SEM) illustrated that the adsorption between the inhibitors and metal surface was the crucial reason for the high efficiency. Meanwhile, it is interesting that the compact, dendrimer-like and multilayer ed inhibitor films covering on the metal surface regularly acted as the main reason for prominent performance. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Imidazoline derivative with four imidazole reaction centers as an efficient corrosion inhibitor for anti-CO2 corrosion

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Publisher
Pleiades Publishing
Copyright
Copyright © 2015 by Pleiades Publishing, Ltd.
Subject
Chemistry; Chemistry/Food Science, general; Industrial Chemistry/Chemical Engineering
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427215070149
Publisher site
See Article on Publisher Site

Abstract

Starting from ethylenediamine as the center of the molecule, and terminated by the four peripheral imidazole rings, a dendric derivative with tetra-imidazoline (DDTI) was synthesized. The results of weight loss method showed the inhibition efficiency of DDTI could approximately reach up to 98.29% when the inhibitor dosage was 400 mg L−1. Meanwhile, referring to the potentiodynamic polarization test, DDTI could be classified as a mixed-type inhibitor. What’s more, both electrochemical impedance spectroscopy (EIS) and scanning electron microscope (SEM) illustrated that the adsorption between the inhibitors and metal surface was the crucial reason for the high efficiency. Meanwhile, it is interesting that the compact, dendrimer-like and multilayer ed inhibitor films covering on the metal surface regularly acted as the main reason for prominent performance.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Oct 25, 2015

References

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