Conductive polyurethane foam containing picric acid and analog thereof
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United States of America Patent
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-
Jul 2, 1991
Issued Date -
N/A
app pub date -
Jun 19, 1989
filing date -
May 19, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Family
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Cited Art Landscape
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