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Synthesis and Corrosion Inhibition Performance of Mannich Bases on Mild Steel in Lactic Acid Media
[Image: see text] Heterocyclic Mannich bases, N-(3-oxo-3-phenylpro-pyl)thiazol-2-aminium chloride (DTZA) and N-(3-oxo-3-phenylpropyl)-1H-pyrazol-3-aminium chloride (DPZA), were developed for the corrosion inhibition of N80 steel in a 15 wt % lactic acid solution. Weight loss measurements, electroche...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Chemical Society
2022
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9476531/ https://www.ncbi.nlm.nih.gov/pubmed/36120014 http://dx.doi.org/10.1021/acsomega.2c03545 |
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author | Zhang, Xiaoyun Zhang, Yinhang Su, Yuxin Wang, Xiaoyang Lv, Renqing |
author_facet | Zhang, Xiaoyun Zhang, Yinhang Su, Yuxin Wang, Xiaoyang Lv, Renqing |
author_sort | Zhang, Xiaoyun |
collection | PubMed |
description | [Image: see text] Heterocyclic Mannich bases, N-(3-oxo-3-phenylpro-pyl)thiazol-2-aminium chloride (DTZA) and N-(3-oxo-3-phenylpropyl)-1H-pyrazol-3-aminium chloride (DPZA), were developed for the corrosion inhibition of N80 steel in a 15 wt % lactic acid solution. Weight loss measurements, electrochemical techniques, surface characterization, and theoretical calculations were combined to investigate their anticorrosion performance and mechanism. The results showed that DTZA exhibited a satisfactory inhibitor efficiency of 97.56% with a dosage of 0.15% at 363 K, while DPZA achieved only 58.3% under the same conditions. Adsorptions of both inhibitors on the metal surface followed the Langmuir model with physical and chemical adsorptions. Based on X-ray photoelectronic spectroscopy (XPS) analysis, DFT calculations, and molecular dynamics (MD) simulations, stronger interactions between DTZA and iron than those in the case of DPZA were revealed, leading to the formation of a compact protective film on the metal surface, which is attributed to the presence of a thiazole ring in the DTZA chemical structure. |
format | Online Article Text |
id | pubmed-9476531 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | American Chemical Society |
record_format | MEDLINE/PubMed |
spelling | pubmed-94765312022-09-16 Synthesis and Corrosion Inhibition Performance of Mannich Bases on Mild Steel in Lactic Acid Media Zhang, Xiaoyun Zhang, Yinhang Su, Yuxin Wang, Xiaoyang Lv, Renqing ACS Omega [Image: see text] Heterocyclic Mannich bases, N-(3-oxo-3-phenylpro-pyl)thiazol-2-aminium chloride (DTZA) and N-(3-oxo-3-phenylpropyl)-1H-pyrazol-3-aminium chloride (DPZA), were developed for the corrosion inhibition of N80 steel in a 15 wt % lactic acid solution. Weight loss measurements, electrochemical techniques, surface characterization, and theoretical calculations were combined to investigate their anticorrosion performance and mechanism. The results showed that DTZA exhibited a satisfactory inhibitor efficiency of 97.56% with a dosage of 0.15% at 363 K, while DPZA achieved only 58.3% under the same conditions. Adsorptions of both inhibitors on the metal surface followed the Langmuir model with physical and chemical adsorptions. Based on X-ray photoelectronic spectroscopy (XPS) analysis, DFT calculations, and molecular dynamics (MD) simulations, stronger interactions between DTZA and iron than those in the case of DPZA were revealed, leading to the formation of a compact protective film on the metal surface, which is attributed to the presence of a thiazole ring in the DTZA chemical structure. American Chemical Society 2022-09-01 /pmc/articles/PMC9476531/ /pubmed/36120014 http://dx.doi.org/10.1021/acsomega.2c03545 Text en © 2022 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by-nc-nd/4.0/Permits non-commercial access and re-use, provided that author attribution and integrity are maintained; but does not permit creation of adaptations or other derivative works (https://creativecommons.org/licenses/by-nc-nd/4.0/). |
spellingShingle | Zhang, Xiaoyun Zhang, Yinhang Su, Yuxin Wang, Xiaoyang Lv, Renqing Synthesis and Corrosion Inhibition Performance of Mannich Bases on Mild Steel in Lactic Acid Media |
title | Synthesis and Corrosion
Inhibition Performance of
Mannich Bases on Mild Steel in Lactic Acid Media |
title_full | Synthesis and Corrosion
Inhibition Performance of
Mannich Bases on Mild Steel in Lactic Acid Media |
title_fullStr | Synthesis and Corrosion
Inhibition Performance of
Mannich Bases on Mild Steel in Lactic Acid Media |
title_full_unstemmed | Synthesis and Corrosion
Inhibition Performance of
Mannich Bases on Mild Steel in Lactic Acid Media |
title_short | Synthesis and Corrosion
Inhibition Performance of
Mannich Bases on Mild Steel in Lactic Acid Media |
title_sort | synthesis and corrosion
inhibition performance of
mannich bases on mild steel in lactic acid media |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9476531/ https://www.ncbi.nlm.nih.gov/pubmed/36120014 http://dx.doi.org/10.1021/acsomega.2c03545 |
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