Nitto Electric Industrial Co., Ltd.

Sadamitsu Sasaki

Masao Abe

Keiji Nakamoto

Hisashi Ichinose

Shohei Tamura

Hitoshi Nakazawa

Takeshi Sasaki

Satoshi Yumoto

An electroconductive organic polymer exhibiting outstanding electroconductivity is described, containing an electron acceptor as a dopant, and having electroconductivity of not less than 10.sup.-6 S/cm, substantially comprising a linear polymer having as a main repeating unit thereof a quinonediimine structure represented by formula (III) ##STR1## wherein R represents a hydrogen atom or an alkyl group. This polymer can be obtained by oxidative polymerization of an aniline compound or a water-soluble salt thereof with an oxidizing agent in a reaction medium containing a protonic acid.

Electroconductive organic polymer and method for producing the same

An electroconductive porous film is described comprising a porous film substrate having deposited thereon an electroconductive organic polymer containing an electron acceptor as a doptant, substantially comprising a linear polymer having as a main repeating unit thereof a quinonediimine structure represented by formula (III). ##STR1## wherein R.sub.1 and R.sub.2, which are the same or different, each represents a hydrogen atom or an alkyl group.

Electroconductive porous film and process for producing same

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Osaka, Japan

Sadamitsu Sasaki