期刊
MACROMOLECULAR SYMPOSIA
卷 210, 期 -, 页码 411-417出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/masy.200450646
关键词
conducting polymer; dopant; morphology; polypyrrole
Stable polypyrrole dispersions were prepared by chemical oxidative polymerization of pyrrole in an aqueous medium containing different anionic salts - sodium benzoate, potassium hydrogen phthalate and sodium hydrogen succinate. Results of the elemental analysis and FT-IR spectroscopy confirmed that the anionic salts are incorporated in the conducting polymers and functioned as the dopants. The retardation of pyrrole polymerization was observed when a certain amount of the salt was used as dopant. SEM images of polypyrrole dispersions indicate large spherical particles (150-180nm). The conductivity of polypyrrole composites has also been investigated.
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