Polyamides containing Oxadiazole ring moiety as corrosion inhibitor for Aluminium in acid solution.


  • subha c Department of Chemistry, Nirmala College for Women, Coimbatore, Tamil Nadu- 641018, India
  • Selvaraj A Department of Chemistry, CBM College, Coimbatore, Tamil Nadu- 641042, India
  • Thevi R Department of Chemistry, CBM College, Coimbatore, Tamil Nadu- 641042, India
  • Ravikumar L Department of Chemistry, CBM College, Coimbatore, Tamil Nadu- 641042, India




Corrosion, Polyamides, Oxadiazole, acid medium, Aluminium


Corrosion control of metals is an important activity of technical, economic, environmental, and aesthetical importance. The use of inhibitors is one of the best options for protecting metals and alloys against corrosion. This study involves the investigation of new and effective polymeric material for the application of corrosion inhibition on aluminium in the acid medium using chemical and electrochemical methods. Results obtained from weight loss and potentiodynamic and impedance methods confirm that polyamides containing oxadiazole rings in their backbone can act as effective corrosion inhibitors. The adsorption behaviour of this polymer on aluminium in 1N HCl was found to obey Langmuir adsorption isotherm. SEM studies confirmed the protective film formed on aluminium by the adsorption of Polyamides.


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How to Cite

subha c, S. . A, T. . R, and R. . L, “Polyamides containing Oxadiazole ring moiety as corrosion inhibitor for Aluminium in acid solution”., JME, vol. 17, no. 4, pp. 127–131, Dec. 2022.