Electrodeposition of functionalized Pyrrole (N-[3-(dimethylpyridyl-2-yl)aminopropyl], N-(3-aminopropyl), N-(3-acetamidopropyl) and N-(2-cyanoethyl)) on Stainless Steel gauze for membrane preparation |
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Authors: | A Naji C Marzin G Tarrago M Cretin C Innocent M Persin J Sarrazin |
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Affiliation: | (1) Institut Européen de, Membranes UMR 5635 (CNRS, ENSCM, UM II), Université Montpellier II, Place Eugéne Bataillon, Cafe Courrier 47, 34095 Montpellier cedex 5, France |
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Abstract: | The preparation of dense membranes for ion separation by the electropolymerization of functionalized pyrrole has been carried out using pyrrole monomers with complexing groups such as amino and bis pyridine. The synthesis conditions of polymer films depend mainly on the applied potential and electrolyte composition; for polymer films derived from pyrrole monomers bearing amino groups, the film synthesis has been achieved only in acid solution. The main results obtained for the electropolymerization of N-(2-cyanoethyl)pyrrole, N-(3-aminopropyl)pyrrole, N-(3-acetamidopropyl)pyrrole and N-3-(dimethylpyridyl-2-yl)aminopropyl]pyrrole are compared and the experimental conditions for membrane preparation discussed. The thickness and the morphology of the supported conducting polymer membrane prepared at a constant potential depend on the precursor monomer used. The duration of electrolysis should be sufficient to cover the metallic support, particularly for the N-3-(dimethylpyridyl-2-yl)aminopropyl]pyrrole polymer membrane. |
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Keywords: | electropolymerization EQCM functionalized polymer membrane |
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