Electrically conductive and semi-conductive polymers
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United States of America Patent
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Mar 26, 2002
Issued Date -
N/A
app pub date -
Apr 21, 2000
filing date -
Apr 16, 1992
priority date (Note) -
Expired
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Abstract
A roller includes a metal core, a cylinder including polyurethane, and a conductive adhesive between the metal core and the cylinder. The polyurethane includes a solid solution of a transition metal halide salt and includes less than 5% of salt by weight. The transition metal halide salt provides the polyurethane with a uniform conductivity and a uniform resistivity of between 10.sup.12 ohm-cm and 10.sup.5 ohms-cms.
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