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Evaluation of adsorption behaviour of benzylidene chitosan derivatives at mild steel/ 0.5 M H2SO4 solution interface.

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Title: Evaluation of adsorption behaviour of benzylidene chitosan derivatives at mild steel/ 0.5 M H2SO4 solution interface.
Authors: Sheetal1 (AUTHOR), Thakur, Sanjeeve2 (AUTHOR), Pani, Balaram3 (AUTHOR), Kumar Singh, Ashish1,3 (AUTHOR) ashish.singh.rs.apc@itbhu.ac.in, Singh, Manjeet1,4 (AUTHOR) msitbhu@gmail.com
Source: Inorganic Chemistry Communications. Aug2024, Vol. 166, pN.PAG-N.PAG. 1p.
Subjects: Behavioral assessment, Chitosan, X-ray photoelectron spectroscopy, Mild steel, Proton magnetic resonance, Epoxy coatings
Abstract: [Display omitted] • Use of BCs to combat corrosion offers eco-friendly and sustainable option. • Modification of Chitosan improved the corrosion inhibition performaance. • CDMB was found best inhibitor demarcating 98.8% inhibition performance. • Computational studies supported the experimental results. • The highest binding energy of CDMB (870.56 kJ mol−1) supports its best performance. Four green benzylidene chitosan derivatives (BCs) were synthesized and evaluated as anti-corrosive substances for the first time against mild steel corrosion in 0.5 M H 2 SO 4 solution. The synthesized BCs were laid to infrared spectroscopy and proton resonance spectroscopy for structural confirmation. Gravimetric and electrochemical experiments were accustomed to appraise the effectiveness of inhibitors, however, Scanning Electron Microscopy-Electron Dispersive Spectroscopy (SEM-EDS), Atomic Force Microscopy (AFM), and X-ray Photoelectron Spectroscopy (XPS) were exploited to evaluate the protective mechanism offered by benzylidene chitosan derivatives. Experimental results demarcate the synthesized inhibitors; Anisaldehyde modified Chitosan (CMB), 2-Hydroxy-4-methoxybenzaldehyde modified Chitosan (CHMB), 2,4-Dimethoxybenzaldehyde modified Chitosan (CDMB) and 2-Bromo-4-methoxybenzaldehyde modified Chitosan (CBMB) exhibiting praising inhibitory properties for mild steel corrosion and CDMB was seen possessed preferable inhibition potential at the finest concentration of 500 mgL-1 owing to the proximity of two electron-donating OCH 3 groups. Furthermore, the inhibitors have been recorded to behave mixed type with pronounced impact on hydrogen evolution kinetics. The order of inhibition efficacy obtained was CDMB (98.8 %) > CHMB (95.4 %) > CMB (92.8 %) > CBMB (89.2 %) which was further validated by quantum chemical calculations which later opened up about the mechanistic approach involved in electron transfer from inhibitors to metallic vacant orbitals. Additionally, the effect of molecular structure possessed by synthesized inhibitors has been correlated with observed variation in their corrosion inhibition efficiency. [ABSTRACT FROM AUTHOR]
Copyright of Inorganic Chemistry Communications is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
  Group: Ti
  Data: Evaluation of adsorption behaviour of benzylidene chitosan derivatives at mild steel/ 0.5 M H2SO4 solution interface.
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  Data: <searchLink fieldCode="AR" term="%22Sheetal%22">Sheetal</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Thakur%2C+Sanjeeve%22">Thakur, Sanjeeve</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Pani%2C+Balaram%22">Pani, Balaram</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kumar+Singh%2C+Ashish%22">Kumar Singh, Ashish</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> ashish.singh.rs.apc@itbhu.ac.in</i><br /><searchLink fieldCode="AR" term="%22Singh%2C+Manjeet%22">Singh, Manjeet</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<i> msitbhu@gmail.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Inorganic+Chemistry+Communications%22">Inorganic Chemistry Communications</searchLink>. Aug2024, Vol. 166, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Behavioral+assessment%22">Behavioral assessment</searchLink><br /><searchLink fieldCode="DE" term="%22Chitosan%22">Chitosan</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+photoelectron+spectroscopy%22">X-ray photoelectron spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Mild+steel%22">Mild steel</searchLink><br /><searchLink fieldCode="DE" term="%22Proton+magnetic+resonance%22">Proton magnetic resonance</searchLink><br /><searchLink fieldCode="DE" term="%22Epoxy+coatings%22">Epoxy coatings</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: [Display omitted] • Use of BCs to combat corrosion offers eco-friendly and sustainable option. • Modification of Chitosan improved the corrosion inhibition performaance. • CDMB was found best inhibitor demarcating 98.8% inhibition performance. • Computational studies supported the experimental results. • The highest binding energy of CDMB (870.56 kJ mol−1) supports its best performance. Four green benzylidene chitosan derivatives (BCs) were synthesized and evaluated as anti-corrosive substances for the first time against mild steel corrosion in 0.5 M H 2 SO 4 solution. The synthesized BCs were laid to infrared spectroscopy and proton resonance spectroscopy for structural confirmation. Gravimetric and electrochemical experiments were accustomed to appraise the effectiveness of inhibitors, however, Scanning Electron Microscopy-Electron Dispersive Spectroscopy (SEM-EDS), Atomic Force Microscopy (AFM), and X-ray Photoelectron Spectroscopy (XPS) were exploited to evaluate the protective mechanism offered by benzylidene chitosan derivatives. Experimental results demarcate the synthesized inhibitors; Anisaldehyde modified Chitosan (CMB), 2-Hydroxy-4-methoxybenzaldehyde modified Chitosan (CHMB), 2,4-Dimethoxybenzaldehyde modified Chitosan (CDMB) and 2-Bromo-4-methoxybenzaldehyde modified Chitosan (CBMB) exhibiting praising inhibitory properties for mild steel corrosion and CDMB was seen possessed preferable inhibition potential at the finest concentration of 500 mgL-1 owing to the proximity of two electron-donating OCH 3 groups. Furthermore, the inhibitors have been recorded to behave mixed type with pronounced impact on hydrogen evolution kinetics. The order of inhibition efficacy obtained was CDMB (98.8 %) > CHMB (95.4 %) > CMB (92.8 %) > CBMB (89.2 %) which was further validated by quantum chemical calculations which later opened up about the mechanistic approach involved in electron transfer from inhibitors to metallic vacant orbitals. Additionally, the effect of molecular structure possessed by synthesized inhibitors has been correlated with observed variation in their corrosion inhibition efficiency. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Inorganic Chemistry Communications is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.inoche.2024.112668
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
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      – SubjectFull: Behavioral assessment
        Type: general
      – SubjectFull: Chitosan
        Type: general
      – SubjectFull: X-ray photoelectron spectroscopy
        Type: general
      – SubjectFull: Mild steel
        Type: general
      – SubjectFull: Proton magnetic resonance
        Type: general
      – SubjectFull: Epoxy coatings
        Type: general
    Titles:
      – TitleFull: Evaluation of adsorption behaviour of benzylidene chitosan derivatives at mild steel/ 0.5 M H2SO4 solution interface.
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            NameFull: Sheetal
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            NameFull: Thakur, Sanjeeve
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            NameFull: Pani, Balaram
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            – D: 01
              M: 08
              Text: Aug2024
              Type: published
              Y: 2024
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              Value: 166
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