Stable conducting polymer and processes for the preparation ther

Details Stable conducting polymer and processes for the preparation ther Stable conducting polymer and processes for the preparation ther

1995-07-06

1996-03-19

Acquah, Samuel A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

528373, 528381, 528388, 528391, 528422, 524700, 524722, 524726, 524729, C08K 516

Patent

active

055004741

ABSTRACT:
Conductive polymers having repeating units of formula (II) ##STR1## formed by chemical or electrochemical oxidation of aniline derivatives of formula (I) ##STR2## wherein R.sub.1 denotes --(CH.sub.2).sub.n --; n is an integer between 2 and 12; R.sub.2, R.sub.3, R.sub.4 and R.sub.5 denote hydrogens or one or two of them can be a halogen atom, methyl, methoxy or nitro groups; and X denotes hydrogen an alkali metal ion, an ammonium ion, an alkyl ammonium ion or an anilinium ion. The conductive polymers have excellent stability toward electrochemical redox cyclization and good processibility.

REFERENCES:
Diaz, A. F., et al., Mechanical Properties of Electrochemically Prepared Polypyrrole Films, Jul. 1983, IBM J. Res. Develop., vol. 27, No. 4, pp. 342-347.
De Paoli, Marco-A., et al., An Electrically Conductive Plastic Composite Derived from Polypyrrole and Poly(vinyl Chloride), 1985, Jour. Polym. Science, Polym. Chem. Ed., vol. 23, pp. 1687-1698.
Hotta, S. et al., Spectroscopic Studies of Soluble Poly(3-alkylthienylenes), 1987, Macromolecules, vol. 20, No. 1, pp. 212-215.
Iyoda, Tomokazu, et al., Charge-Controllable Membrane, Polypyrrole-Polyelectrolyte Composite Membrane Through Anodic Doping Process, 1986, Chem. Soc. of Japan, Chemistry Letters, pp. 687-690.

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