期刊
PROGRESS IN ORGANIC COATINGS
卷 99, 期 -, 页码 429-436出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2016.07.007
关键词
Polyaniline; Organic synthesis; Physico-chemical characterization; Electropolymerization
资金
- French National Agency (ANR) [ANR-13-JS08-0009-01]
- Agence Nationale de la Recherche (ANR) [ANR-13-JS08-0009] Funding Source: Agence Nationale de la Recherche (ANR)
Polyaniline is one of the most studied conducting polymers because of its high stability and interesting combination of redox and proton doping properties. Moreover, it is possible to use the amino group of polyaniline to graft a substituent to obtain polyaniline derivatives. In the present study, aniline monomers were functionalized by an alkyl chain terminated by a carboxyl group at the N-position of the monomers in an attempt to obtain a series of carboxylic acid-functionalized polyanilines. The electro-oxidation of the modified aniline monomers was studied in HCl and H3PO4 acidic solutions with potehtiodynamic and potentiostatic methods. The influence of the nature of the solvent and the length of the grafted alkyl chain on the thickness, morphological features and wettability of the carboxyl-funttionalized polyaniline films was studied. In particular, the nature of the acid used strongly impacted the film properties leading to thinner, smoother, more hydrophilic, more adhesive and more homogeneous films when the electropolymerization was performed in phosphoric acid solutions. (C) 2016 Elsevier B.V. All rights reserved.
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