Process for the preparation of polythiophenes and electrically c

Details Process for the preparation of polythiophenes and electrically c Process for the preparation of polythiophenes and electrically c

1991-06-14

1993-06-22

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252519, 5253591, 526221, 526256, 526293, 528412, 528490, 528499, C08F 442, H01B 112

Patent

active

052217868

ABSTRACT:
The invention relates to a process for the preparation of electrically conducting polymers based on polythiophenes by chemical polymerization of thiophene by means of a ferric salt, an alkyl halide and water.
The invention also relates to the electrically conducting devices containing the polythiophenes obtained and a thermoplastic polymer.

REFERENCES:
patent: 4640748 (1987-02-01), Wudl et al.
patent: 4731311 (1988-03-01), Suzuki et al.
"The Merck Index", 11th Ed., 2141 (1989) Merck (Rahway).
Toatsu Chemicals, Inc., Chemical Abstracts, vol. 107, No. 22, Nov. 30, 1987, p. 19, "Synthetic High Polymers", Columbus, Ohio, U.S. No. 199191u, JP-A-62/109,821.
Komatsu K.K., Chemical Patents Index, Basic Abstracts Journal, sec. A: "PLASDOC", No. 87-296,490, Dec. 16, 1987, Derwent Pub. Ltd., London, Great Britain, JP-A-62/209,130.
Mitsui Toatsu Chem., Inc., Patent Abstract of Japan, vol. 11, No. 317 (C-452)[2764] Oct. 15, 1987, "Production of Five-Membered Heterocyclic Compound Polymer", JP-A-62/106,923.

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