Method for enhancing polyaniline conductivity

Details Method for enhancing polyaniline conductivity Method for enhancing polyaniline conductivity

1990-09-04

1993-01-05

Group, Karl

Compositions

Electrically conductive or emissive compositions

427256, 4273855, 4274071, 4274072, 528422, 528490, 528491, 528502, 528503, H01B 100

Patent

active

051768518

ABSTRACT:
A process for heat treating substituted and/or unsubstituted polyaniline which has been doped with a relatively non-volatile acid is provided. Subjecting polyaniline to temperatures of between 70.degree. C. and 200.degree. C. for a moderate amount of time dramatically lowers the resistance, and therefore increase the conductivity, of the polyaniline. Heat treatment of polyaniline may be advantageously combined with a subsequent rinsing step to produce a sample which has superior stability and good conductivity.

REFERENCES:
patent: 4822638 (1989-04-01), Yaniger
patent: 4851487 (1989-07-01), Yaniger
patent: 4855361 (1989-08-01), Yaniger
patent: 4983322 (1991-01-01), Eisenbaumer
patent: 5002700 (1991-03-01), Otagawa et al.
patent: 5006278 (1991-04-01), Eisenbaumer
patent: 5008041 (1991-04-01), Cameron et al.

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