Soluble, electrically conductive polymers, process for preparing

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

1987-08-24

1992-03-03

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

526256, 526258, 252512, 252518, 428375, 4284111, H01B 100, C08F 2806, B32B 904

Patent

active

050930338

ABSTRACT:
The invention relates to intrinsically electrically conductive 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) ##STR1## in which R.sup.1 is a C.sub.1 -C.sub.2 -alkoxy group or --O(CH.sub.2 CH.sub.2 O).sub.n CH.sub.3 with n=1 to 4 and R.sup.2 is a hydrogen atom, a C.sub.1 -C.sub.12 -alkyl group, a C.sub.1 -C.sub.12 -alkoxy group or --O(CH.sub.2 CH.sub.2 O).sub.n CH.sub.3 with n=1 to 4, or R.sup.1 and R.sup.2 together are --O(CH.sub.2).sub.m --CH.sub.2 or --O(CH.sub.2).sub.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 m.sup.2 /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.

REFERENCES:
patent: 4599194 (1986-07-01), Frommer et al.
Blankespoor, R. L. et al, J. Chem. Soc., Chem. Commun., 1985, No. 2, 90-92.
Tanaka, S. et al, Polymer Commun., 26, 303-306 (1985).
Tanaka, S, et al, Chem. Abs. 105:61116a (1986).
Bargon, J. et al., IBM J. Res. Develop. 27, 330-341 (1983).
Barton, A. F., Handbook of Solubility Parameters and Other Cohesion Parameters, CRC Press, 1983, pp. 153-162.
G. Dian et al, Synthetic Metals 15, 281 (1986).

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