Journal of Polymer Research

, 26:287 | Cite as

Synthesis and corrosion inhibition studies of modified polyacrylic acid bearing triazole moieties on aluminium in alkaline medium

  • Ranganathan PunithaEmail author
  • Selvaraj Dinesh Kirupha
  • Selvaraj Vivek
  • Lingam Ravikumar


Novel modified Polyacrylic acid (ACTP) bearing triazole pendant moieties prepared with polyacrylyl chloride and 3-amino-1,2,4-triazole-5-thiol through polycondensation reaction. The synthesized polymer was characterized using nuclear magnetic resonance (lH-NMR, 13C-NMR), fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), energy dispersive studies (EDAX) and thermogravimetric (TGA) studies. The ACTP polymer was tested as corrosion inhibitor with aluminium metal in alkaline medium and their results were compared with synthesized simple polyacrylic acid (PAA). Gravimetric, electrochemical impedance spectroscopy (EIS), potentiodynamic polarization techniques were used to test the efficiency of the corrosion inhibitor. Activation energy and free energy for inhibition reaction supports both chemical and physical adsorption mechanism, with better inhibition efficiency. Potentiodynamic polarization curves validated that the corrosion inhibitors behave an anodic type.


Polyacrylic acid 3-amino-1,2,4-triazole-5-thiol Schiff base moiety Aluminium corrosion Electrochemical investigation 



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Copyright information

© The Polymer Society, Taipei 2019

Authors and Affiliations

  1. 1.Department of ChemistrySVS College of EngineeringCoimbatoreIndia
  2. 2.Centre of Excellence for Medical TextilesThe South India Textile Research Association (SITRA)CoimbatoreIndia
  3. 3.Department of ChemistryCBM CollegeCoimbatoreIndia

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