Abstract
It has only been within the last few months that organic-solvent-soluble conducting polymers have been developed. Previously, solubility in a mixture of arsenic trifluoride/pentafluoride was the singular path available to processability of conducting polymers. In this paper they report their success in the preparation of two polymers which are soluble in water in the doped and undoped statesexclamation Sodium poly(3-thiophene-..beta..-ethanesulfonate) (P3-ETSNa) and sodium poly(3-(thiophene-delta-butanesulfonate) (P3-BTSNa) and their respective conjugate acids are water soluble. The latter are of interest because, upon oxidation, they can lose a proton concomitant with electron loss to produce self-doped polymers; i.e., doped polymers where the counterion is attached to the polymer via a covalent bond.
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