Soluble, electrically conductive polymers, process for...

Details Soluble, electrically conductive polymers, process for... Soluble, electrically conductive polymers, process for...

H - Electricity

01

B

402/247, 402/346

H01B 1/12 (2006.01) C08G 61/12 (2006.01) C09D 5/24 (2006.01) C25B 3/10 (2006.01)

Patent

CA 1336220

The invention relates to intrinsically electrically con- ductive polymers, preferably oligomers, which, in the oxidized form, are completely soluble in dipolar aprotic solvents at room temperature and which contain structural units which are derived from at least one monomer of the formula (I) (I) Image in which R1 is a C1-C12-alkoxy group or -O(CH2CH2O)nCH3 with n = 1 to 4 and R2 is a hydrogen atom, a C1-C12-alkyl group, a C1-C12-alkoxy group or -O(CH2CH2O)nCH3 with n = 1 to 4, or R1 and R2 together are -O(CH2)m-CH2 or -O(CH2)m-O- with m = 1 to 12. The invention also relates to a process for the preparation of these polymers by electrochemical polymerization of at least one monomer of this formula (I) in the presence of a conductive salt, the anode having a specific surface area of at least 0.01 m2/g and preferably a gauze, sponge, fabric or felt structure, the electrolyte solvent being dipolar and aprotic and the electrolyte system being moved only slightly or not at all relative to the anode. The polymers according to the invention can readily be used especially for coating purposes.

545319

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