Preparation of conductive films

Details Preparation of conductive films Preparation of conductive films

1990-07-26

1992-02-18

Pianalto, Bernard

Coating processes

Electrical product produced

Transparent base

427 58, 427261, 4273741, 4273855, 4273897, 4273935, 4274072, 4274125, 4274301, 4274432, B05D 512

Patent

active

050892940

ABSTRACT:
An electrically-conductive polypyrrole film is formed, on a non-conducting substrate, by contacting the substrate with pyrrole and an oxidising agent in a solvent, or with the colloidal polypyrrole that is the reaction product thereof, and removing the substrate while the film is at least substantially transparent, e.g. 50 to 250 nm thick. A gas sensor comprises a chemiresistor prepared by this process.

REFERENCES:
Patent Abstracts of Japan, vol. 10, No. 49 (P-461) (2206) 30 May 1986, & JP-A-61 003040 (Nitsushin Denki) 9 Jan. 1986.

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