Methods for preparing conductive polyanilines

Details Methods for preparing conductive polyanilines Methods for preparing conductive polyanilines

1993-08-12

1995-04-04

Foelak, Morton

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

Synthetic resins

Treating polymer containing material or treating a solid...

525540, 528422, 528480, 528491, C08F 600

Patent

active

054039134

ABSTRACT:
Methods for preparing conductive polyaniline forms are provided in which the conductivity of the polyaniline form can be substantially increased by contacting the polyaniline form with a phenolic compound that acts as a secondary dopant for the polyaniline. Generally, a doped polyaniline solution is prepared in which the polyaniline is initially doped by a protonic acid and a doped polyaniline form is then prepared from this solution. The polyaniline form can then be contacted with the phenolic compound in either its vapor or liquid state, however it is preferred that the polyaniline form be maintained in either the gelatinous or solid state during the contacting step. The conductivity of the polyaniline form can be raised by a factor of up to about 500-1000.

REFERENCES:
patent: 5147913 (1992-09-01), MacDiarmid et al.
patent: 5177187 (1993-01-01), MacDiarmid et al.
Cao et al. "Counter-ion induced processibility of conducting polyaniline and of conducting polyblends of polyaniline in bulk polymers", Synthetic Metals, 48 (1992) 91-97.
Cao et al. "Solution-cast films of polyaniline: Optical-quality transparent electrodes" Appl. Phys. Lett., 60, 271 (1992).
Cao et al. "Magnetic susceptibility of polyaniline in solution in nonpolar organic solvents and in polyblends in poly(methyl methacrylate)", Synthetic Metals, 52 (1992) 193-200.
PCT/US92/09709 "High Molecular Weight Polyanilines and Synthetic Methods Thereof", MacDiarmid et al., Nov. 6, 1992.

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