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Aqueous dispersible polymers of 3,4-alkylenedioxythiophene and process for the preparation thereof

 

New aqueous dispersible polymers of 3,4-alkylenedioxythiophene.  Also a process for the preparation of the polymers.  The process comprises polymerizing at least one monomer comprising 2,5-dihalo derivative of 3,4-alkylenedioxythiophene with at least one monomer comprising derivative of the formula in 1:1 molar ratio in an organic solvent in the presence of palladium (II) compound catalyst in a concentration of 0.01 to 20 mol % of the monomers at 60ºC to the boiling point of the solvent. The polymers are purified by precipitating with an organic solvent and the precipitate is dried to obtain the polymers as powder.

Indian patent application no. 2840/MUM/2010

Inventors: Anil Kumar