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Synthesis and Properties of Oxalic Acid-doped Polyaniline

✍ Scribed by Erdem, Emine; Saçak, Mehmet; Karakişla, Meral

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
467 KB
Volume
39
Category
Article
ISSN
0959-8103

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✦ Synopsis

Conductive polyaniline was synthesized in aqueous 1.0 M oxalic acid containing 0.1 M aniline by electrochemical and chemical oxidation and characterized by conductivity, solubility, ultraviolet and infrared spectroscopy, and cyclic voltammetry. The solubility experiments showed that the solubility of oxalic acid-doped polyaniline in dimethylsulfoxide and dimethylformamide increased to a certain extent. The soluble part of the polyaniline was free from impurities such as quinones. Cyclic voltammetric studies in oxalic acid medium revealed that aniline exhibited a similar behaviour to that in H,SO, and the polymerization rate was much slower than that in H,SO, .

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