Preparation of conductive polymers from stabilized precursor sol

Details Preparation of conductive polymers from stabilized precursor sol Preparation of conductive polymers from stabilized precursor sol

1998-09-04

1999-12-14

Kopec, Mark

Compositions

Electrically conductive or emissive compositions

528423, 361525, H01B 100

Patent

active

060012811

ABSTRACT:
Conductive polymers are prepared from a stabilized solution containing a monomer, an Fe(III) oxidizing agent, and a mixed solvent. The solvents are selected to stabilize the Fe(III) oxidizing agent and monomer in solution while allowing highly conducting polymers to be produced upon evaporating the lower-boiling solvent. The higher-boiling solvent does not appreciably complex with Fe(III), while the lower-boiling solvent forms a weak complex with Fe(III). The mixed-solvent system of the present invention may be used for preparing a conductive polymer counter electrode in a solid tantalum capacitor by polymerizing the monomer inside a porous tantalum pellet.

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patent: 5514771 (1996-05-01), Nakama et al.
patent: 5728321 (1998-03-01), Abe et al.

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