publication . Article . 2009

Corrosion Inhibition of Aluminum Alloy 3SR in HCl by Polyvinylpyrrolidone and Polyacrylamide:. Effect of Molecular Structure on Inhibition Efficiency

Saviour A. Umoren;
Open Access
  • Published: 01 Jan 2009 Journal: Surface Review and Letters, volume 16, pages 831-844 (issn: 0218-625X, eissn: 1793-6667, Copyright policy)
  • Publisher: World Scientific Pub Co Pte Lt
<jats:p> The inhibitive performance of two water soluble polymers–polyacrylamide (PA) and polyvinylpyrrolidone (PVP) on the corrosion behavior of aluminum alloy 3SR in HCl solution was investigated using weight loss, hydrogen evolution, and thermometric methods at 30–60°C. Results obtained indicate that both polymers inhibited acid-induced corrosion of aluminum at the temperatures studied. PVP was found to be a better corrosion inhibitor than PA. All measurements from the three techniques show that inhibition efficiencies increase with increase in inhibitor concentration and decrease with increase in temperature. This indicates that the inhibitive actions of the...
free text keywords: Materials Chemistry, Surfaces, Coatings and Films, Surfaces and Interfaces, Condensed Matter Physics, Acid, adsorption, aluminum, corrosion inhibition, molecular structure, polyacrylamide, polyvinylpyrrolidone, Alloy, engineering.material, engineering, Polymer, chemistry.chemical_classification, chemistry, Polyvinylpyrrolidone, medicine.drug, medicine, Polyacrylamide, chemistry.chemical_compound, Inorganic chemistry, Corrosion inhibitor, Adsorption, Corrosion, Molecule
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