Synthesis and characterization of metal ion end capped nanocontainer loaded with duo green corrosion inhibitors

Kumar, S.S. and Kakooei, S. and Ismail, M.C. and Haris, M. (2020) Synthesis and characterization of metal ion end capped nanocontainer loaded with duo green corrosion inhibitors. Journal of Materials Research and Technology, 9 (4). pp. 8350-8354. ISSN 22387854

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Abstract

For the first time, two green corrosion inhibitors are loaded into the halloysite nanotubes (HNT) and end capped using metal ions. Vanillin and thyme oil were loaded into HNT and end capped using copper ions to form VTHNT-ES. The loading of the HNT with the duo green corrosion inhibitors were characterized by ultraviolet visible spectroscopy (UV-vis) and confirmed by the peaks of vanillin, thyme oil and HNT in the Fourier-transform infrared (FTIR) spectroscopy spectrum. The morphology of the nanocomposite at each stage were observed using field emission scanning electron microscope (FESEM) and transmission electron microscope (TEM). The loading efficiency was calculated up to 900 �C. VTHNT-ES exhibited loading efficiency than the unsafe nanocontainers loaded with artificial corrosion inhibitors currently used in smart coatings. The release of the duo corrosion inhibitors from the VTHNT-ES was studied using UV-vis. Vanillin remained intact in water, whereas only 3.7 of the total thyme oil present in VTHNT-ES was released for a time period of 100 h. The sudden increase in release upon the introduction of sulphuric acid proved that the VTHNT-ES are highly sensitive to pH. © 2020 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

Item Type: Article
Additional Information: cited By 12
Uncontrolled Keywords: Corrosion inhibitors; Corrosion resistant coatings; Efficiency; Fourier transform infrared spectroscopy; Kaolinite; Metal ions; Metals; Nanotubes; Scanning electron microscopy; Transmission electron microscopy; Ultraviolet visible spectroscopy, Field emission scanning electron microscopes; Green corrosion inhibitors; Halloysite nanotubes; Loading efficiency; Nanocontainers; Smart coatings; Synthesis and characterizations; Time-periods, Loading
Depositing User: Mr Ahmad Suhairi UTP
Date Deposited: 10 Nov 2023 03:28
Last Modified: 10 Nov 2023 03:28
URI: https://khub.utp.edu.my/scholars/id/eprint/13626

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