Soluble, electrically conducting polymers, process for producing them and their use

摘要

The invention relates to intrinsically electrically conductive polymers which are completely soluble in the oxidised form in dipolar aprotic solvents at room temperature and which contain structural units derived from at least one monomer of the general formula (I) below: <IMAGE> in which at least one of the two radicals R<1> and R<2> is an alkoxy group and the other radical is optionally (C1-C6)-alkyl or hydrogen. Furthermore, the invention relates to a process for producing said polymer by electrochemical polymerisation of at least one monomer of said formula (I) in the presence of an electrolyte solvent and conducting salt. In this process the anode has a specific surface of at least 0.01 m<2>/g, the electrolyte solvent is dipolarly aprotic and the electrolyte system is not displaced relative to the anode or is only slightly displaced. The polymers according to the invention are well suited, in particular, for coating purposes.