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Glycogen nanoparticles as a potential corrosion inhibitor
Mikitha Pais1, Sajan D George2, Padmalatha Rao1
1Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal 576104, Karnataka, India.
International Journal of Biological Macromolecules
|June 4, 2021
Summary
This study introduces glycogen nanoparticles (GLY-Np) as effective green corrosion inhibitors for zinc. These eco-friendly nanoparticles achieve 92% inhibition efficiency in sulfamic acid, offering economic benefits.
Area of Science:
- Materials Science
- Electrochemistry
- Green Chemistry
Background:
- Biological macromolecules show promise as eco-friendly corrosion inhibitors.
- Enhancing their properties through nanotechnology can improve corrosion mitigation.
- Nanoparticles of biological macromolecules are novel for corrosion studies.
Purpose of the Study:
- To synthesize and characterize glycogen nanoparticles (GLY-Np).
- To evaluate GLY-Np as a green corrosion inhibitor for zinc in sulfamic acid.
- To optimize inhibition conditions and understand the adsorption mechanism.
Main Methods:
- Microwave-mediated nanoprecipitation for GLY-Np synthesis.
- Characterization using ATR-FTIR, XRD, UV-Vis, FESEM, EDX, TEM, Zeta potential.
- Electrochemical studies (corrosion rate measurement) and surface analysis (SEM, AFM).
Main Results:
- GLY-Np were successfully synthesized and characterized.
- Maximum inhibition efficiency of 92% achieved at 0.02 gL⁻¹ GLY-Np.
- Adsorption followed a suitable isotherm, confirmed by surface techniques.
Conclusions:
- Glycogen nanoparticles (GLY-Np) are effective green corrosion inhibitors for zinc.
- Nanoparticle formulation enhances the corrosion mitigation capabilities of biological macromolecules.
- GLY-Np offer an eco-friendly and economically viable solution for corrosion control.
