Online from: 1972
Subject Area: Mechanical & Materials Engineering
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|Title:||Polyaniline and poly(|
|Author(s):||M.A. Abd El-Ghaffar, (Department of Polymers and Pigments, National Research Centre, Cairo, Egypt), N.A. Abdelwahab, (Department of Polymers and Pigments, National Research Centre, Cairo, Egypt), E.A.M. Youssef, (Department of Polymers and Pigments, National Research Centre, Cairo, Egypt)|
|Citation:||M.A. Abd El-Ghaffar, N.A. Abdelwahab, E.A.M. Youssef, (2010) "Polyaniline and poly(|
|Keywords:||Corrosion inhibitors, Corrosion protection, Emulsions, Paints, Polymerization|
|Article type:||Research paper|
|DOI:||10.1108/03699421011055545 (Permanent URL)|
|Publisher:||Emerald Group Publishing Limited|
Purpose – The purpose of the paper is to examine the synthesis of polyaniline (PAn) and poly(
Design/methodology/approach – PAn and PmT were prepared by inverse emulsion polymerisation using ammonium persulphate as an initiator and sodium dodecylbenzene sulphonate (SDBS) as an emulsifier. Spectrophotometric measurements were conducted to characterise the prepared polymers. Latex paint formulations were prepared and dry paint films were evaluated for their physical, mechanical and corrosion protection performance.
Findings – The prepared conducting polymers of PAn and PmT are good candidates for enhancing the corrosion protection of steel. They showed good performance as corrosion inhibitors in latex paints without bad side effects on the physico-mechanical properties of paint films.
Practical implications – Recent advances in corrosion protection of steel by coatings via inverse emulsion polymerisation of aniline and
Originality/value – PAn and PmT prepared by inverse emulsion polymerisation showed promising results as corrosion inhibitors for steel protection. The polymerisation process was conducted in water (emulsion polymerisation) and the polymer lattices were incorporated in water borne paints from ecological and economical points of view.
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