Article (Scientific journals)
N-doped carbon hollow sphere reservoirs containing Zn2+-mercaptobenzoxazole with pH-responsive function to fabricate a high-performance corrosion protective epoxy coating for aluminum alloy
Rahmani, Mohammad Hossein; Marhamati, Fatemeh; Haddadi, Seyyed Arash et al.
2023In Corrosion Science, 219, p. 111202
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Keywords :
Active inhibition; Carbon hollow sphere; Epoxy; N-doping; On-demand release; Chemistry (all); Chemical Engineering (all); Materials Science (all); General Materials Science; General Chemical Engineering; General Chemistry
Abstract :
[en] In this article, a core/shell structure based on zinc salt of 2-mercaptobenzoxazole (Zn.MBO) and N-doped carbon hollow sphere (NCHS) was synthesized and characterized. The active corrosion protection performance of the encapsulated Zn.MBO in NCHS (Zn.MBO@NCHS) was assessed on bare and epoxy-coated AA2024. The MBO and zinc cation release from the capsules was analyzed at different pHs. The electrochemical impedance spectroscopy results proved that, in the presence of Zn.MBO@NCHS, the corrosion resistance of the scratched coated samples after 72 h immersion was significantly higher than the rest of samples indicating its active inhibitive function.
Research center :
CRIM - Ingénierie des matériaux
Disciplines :
Materials science & engineering
Author, co-author :
Rahmani, Mohammad Hossein;  Surface Coatings and Corrosion Department, Institute for Color Science and Technology, Tehran, Iran
Marhamati, Fatemeh;  Surface Coatings and Corrosion Department, Institute for Color Science and Technology, Tehran, Iran
Haddadi, Seyyed Arash;  Surface Coatings and Corrosion Department, Institute for Color Science and Technology, Tehran, Iran
Olivier, Marie-Georges  ;  Université de Mons - UMONS
Mahdavian, Mohammad;  Surface Coatings and Corrosion Department, Institute for Color Science and Technology, Tehran, Iran
Language :
English
Title :
N-doped carbon hollow sphere reservoirs containing Zn2+-mercaptobenzoxazole with pH-responsive function to fabricate a high-performance corrosion protective epoxy coating for aluminum alloy
Publication date :
15 July 2023
Journal title :
Corrosion Science
ISSN :
0010-938X
Publisher :
Elsevier Ltd
Volume :
219
Pages :
111202
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
F502 - Science des Matériaux
Research institute :
R400 - Institut de Recherche en Science et Ingénierie des Matériaux
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