Soluble electrically conductive polymers, method of producing them and their use

Abstract

Abstract The intrinsically electrically conductive polymers, preferably oligomers, are, in the oxidised form, fully soluble in dipolar aprotic solvents at room temperature and contain structural units derived from at least one monomer of the formula (I) <IMAGE> in which R<1> is a C1-C12-alkoxy group or -O(CH2CH2O)nCH3 where n = 1 to 4 and R<2> is a hydrogen atom, a C1-C12-alkyl group, a C1-C12-alkoxy group or  -O(CH2CH2O)nCH3 where n = 1 to 4, or R<1> and R<2> together are -(OCH2)m-CH2 or -O(CH2)m-O- where m = 1 to 12. These polymers are prepared by electrochemical polymerisation of at least one monomer of this formula (I) in the presence of a conductive salt, where the anode has a specific surface area of at least 0.01 m<2>/g and preferably has a grid, sponge, woven or felt structure, the electrolyte solvent is dipolar and aprotic, and the electrolyte system is only agitated gently, or not at all, relative to the anode. The polymers according to the invention are particularly suitable for coating purposes.

Inventors

• 👤 Michael Dr. Feldhues
• 👤 Thomas Dr. Mecklenburg
• 👤 Peter Dr. Wegener
• 👤 Günther Dr. Kämpf

Bibliographic Details