Compositions – Electrically conductive or emissive compositions
Patent
1993-05-12
1996-10-22
Lieberman, Paul
Compositions
Electrically conductive or emissive compositions
524439, 524401, 528502C, 528503, 428402, H01B 100, H01B 112
Patent
active
055673554
ABSTRACT:
An intrinsically conductive polymer is in the form of a dispersible solid of primary particles with a specific surface area according to BET of >15 m.sup.2 /g and with an average diameter of less than 500 nm, in which preferably not more than 20% of aggregates with an average size >1 .mu.m are present in the particle size range >500 nm. For the manufacture of the polymer the polymerization is carried out in a solvent in which the appropriate monomer is soluble or colloidally dispersible, but in which the polymer that is formed is insoluble, whereby the temperature of the reaction mixture is not allowed to rise more than 5.degree. C. above the starting temperature.
REFERENCES:
patent: 4566955 (1986-01-01), Narmann
patent: 4567250 (1986-01-01), Naarmann et al.
patent: 4935164 (1990-06-01), Wessling et al.
patent: 5079096 (1992-01-01), Miyake et al.
patent: 5281363 (1994-01-01), Shacklette et al.
WO, A, 87/01504 (Battelle) Mar. 12, 1987.
Wessling, "Elektrisch leitf hige Kunststoffe", Carl Hanser Verlag, Munich 1986, Kunststoffe 76 (1986) pp. 930-936; (partial translation of relevant passages).
Bl attner Susanne
Volk Harald
Wessling Bernhard
Kopec M.
Lieberman Paul
Zipperling Kessler & Co. (GmbH & Co.)
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