Abstract

A new ionic polymer, poly(4-vinylpyridine-co-styrene) [PVPS] with pendant sulfobetaine moieties was prepared by the polymeric reaction of PVPS and 1,4-butanaesultone. The polymer structure was characterized by various instrumental methods to have PVPS backbone system with the designed sulfobetaine moieties. The cyclovoltammograms of this ionic polymer showed irreversible oxidation and reversible reduction response properties in a polymer unit. The plot of the oxidation current density of polymer versus the scan rate showed approximately a linear relationship in the range of 30 mV/sec ∼150 mV/sec. The exponent of scan rate, when we apply power law to our data, was found to be 0.53.

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