Electroconductive coating composition, a process for the preparation thereof, and the use thereof

Claim 1

An electroconductive coating composition comprising 10 to 90% by weight of an electrically conducting polymer containing from 10 to 100 structural units which are connected together by linking in the 2-position and/or 5-position, comprising, 60 to 100 mol-% of structural units derived from at least one monomer of the formula (I) ##STR9## in which R 1 represents a straight-chain or branched C 6 -C 30 -alkoxy group and R 2 represents a hydrogen atom or a C 1 -C 30 -alkoxy group, 0to 40 mol-% of structural units derived from at least one monomer of the formula (II) ##STR10## in which R 4 and R 5 , independently of one another, denote a hydrogen atom, a halogen atom, a C 1 -C 12 -alkyl group, alkoxyalkyl, arylmethyl, aryl, a C 1 -C 4 -alkoxy group or --O(CH 2 CH 2 O) n CH 3 where n=1 to 4, or form an aromatic ring together with the carbon atoms connecting them, R 3 and R 6 , independently of one another, denote a hydrogen atom or R 3 together with R 4 and the carbon atoms connecting them or R 5 together with R 6 and the carbon atoms connecting them in each case form an aromatic ring, X denotes an oxygen atom, a sulfur atom, an NH group, N-alkyl group or N-aryl group, 0to 40 mol-% of structural units derived from at least one monomer of the formula (III), ##STR11## in which R 7 , R 8 , R 9 and R 10 , independently of one another, denote a hydrogen atom, a C 1 -C 12 -alkyl group, an aryl group or a C 1 -C 30 -alkoxy group, Y and Z, independently of one another, denote an oxygen atom, a sulfur atom, an the NH group, N-alkyl group or N-aryl group, R 11 denotes an arylene group, a heteroarylene group or a conjugated system of formula (--CH═CH--) p in which p is zero, 1,2 or 3, 0to 40 mol-% of structural units derived from at least one compound of the formula (IV) ##STR12## in which R 12 and R 13 , independently of one another, denote a hydrogen atom, a halogen atom, a C 1 -C 12 -alkyl group, a C 1 -C 30 -alkoxy group, a C 1 -C 12 -acylamino group or a C 1 -C 12 -acyloxy group, R 14 denotes a halogen atom, a C 1 -C 12 -alkyl group, a C 1 -C 30 -alkoxy group, a C 1 -C 12 -acylamino group, a C 1 -C 12 -acyl group or a C 1 -C 12 -acyloxy group, and X is as defined above, 10to 90% by weight of a non-conductive polymer, and a solvent having δ p value of less than 8.5 (cal/ccm) 1/2 and a δ H value of less than 6.5 (cal/ccm) 1/2 wherein the overall concentration of the two components in the solvent is 0.1 to 20% by weight.