Conductive polyurethane foam containing picric acid and analog t

Details Conductive polyurethane foam containing picric acid and analog t Conductive polyurethane foam containing picric acid and analog t

1989-06-19

1991-07-02

Kight, III, John

Compositions

Electrically conductive or emissive compositions

252511, H01B 100

Patent

active

050283553

ABSTRACT:
An electrically conductive polyurethane foam product is prepared by the in situ combination of polyurethane-forming reactants and an effective amount of a charge transfer agent selected from the group consisting of tetracyanoethylene (TCNE), picric acid and analogs thereof, for lowering electrical resistance of the foam product to less than 1.times.10.sup.12 ohms. In a preferred embodiment, the conductive foam product is reticulated to a void volume of more than 80% after completion of the foam forming reaction.

REFERENCES:
patent: 3620986 (1971-11-01), Diehr et al.
patent: 3835102 (1974-09-01), Shinohara
patent: 4377646 (1983-03-01), Blount
patent: 4621106 (1986-11-01), Fracalossi et al.
patent: 4673720 (1987-06-01), Matsumura et al.
patent: 4703099 (1987-10-01), Regelman

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