Electrically-conductive polymer and production method thereof, a

Details Electrically-conductive polymer and production method thereof, a Electrically-conductive polymer and production method thereof, a

1997-08-13

1999-10-12

Yoon, Tae

Compositions

Electrically conductive or emissive compositions

528377, 528422, 528423, 528491, 361525, H01B 100, H01G 9028

Patent

active

059650621

ABSTRACT:
An electrically-conductive polymer having an improved heat resistance is provided. This polymer contains an electrically-conductive polymer matrix, a multivalent proton acid, and an aromatic compound. The cleavage reaction of the main chain of the electrically-conductive polymer matrix is suppressed. As the polymer matrix, a polymer of pyrrole, thiophene, or aniline, or one of derivatives of pyrrole, thiophene, or aniline is preferably used. As the multivalent proton acid, a proton acid having two or more hydrogen atoms such as sulfuric acid, citric acid, salicylic acid, oxalic acid, and phthalic acid in each molecule is preferably used. As the aromatic compound, a sulfonic acid having at least one sulfonic group in each molecule such as p-toluensulfonic acid, p-ethylbenzenesulfonic acid, p-pentylbenzenesulfonic acid, p-octylbenzenesulfonic acid, p-decylbenzenesulfonic acid, p-dodecylbenzenesulfonic acid, 1-naphthalenesulfonic acid, 2-naphthalenesulfonic acid, and butyl naphthalenesulfonic acid is preferably used.

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Alex K.Y. Jen et al., Highly Conducting and Thermal Stable Conjugated Polymers, Materials Research Society Symp. Proc., vol. 247, (1992), EX-002067313, pp. 687-692.
V.T. Truong et al., "Enhanced Thermal Properties and Morphology of Ion-Exchanged Polypyrrole Films", Polymer, vol. 36, No. 10, (1995), XP-002067314, pp. 1933-1940.
Derwent Publications Ltd., XP-002067315, Feb. 4, 1994.

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