Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 88, Issue 6, Pages 1550-1555Publisher
JOHN WILEY & SONS INC
DOI: 10.1002/app.12127
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Polyaniline (PAn) dispersed in water was prepared with sodium dodecylsulfonate (SDS) as a surfactant with varying concentrations of aniline and HCl and molar ratios of SDS/aniline. The PAn dispersion was homogeneous and stable, and its pH value could be adjusted. The conductivity of PAn powder, precipitated from this dispersion, was as high as 20 S/cm. The transmission electron microscopy morphology of PAn assembled in the dispersion was particle-like, fiber-like, or coil-like, depending on the initial concentration of SDS and aniline. The polymerization of aniline was accelerated by SDS, which was confirmed by open-circuit potential measurement during the polymerization process. (C) 2003 Wiley Periodicals.
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