Short fiber-containing polymer composition and method for controlling electrical resistance of the polymer composition
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United States of America Patent
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Jun 14, 1994
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N/A
app pub date -
Oct 27, 1992
filing date -
Oct 29, 1991
priority date (Note) -
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Abstract
The present invention provides a short-fiber containing composition inhibited from electrostatic charging and having practical insulating properties. This composition has a volume resistivity of 10.sup.5 -10.sup.13 .OMEGA.cm and comprises 10-40 parts by weight of at least one kind of short fibers having a volume resistivity of 10.sup.-1 -10.sup.3 .OMEGA.cm and 90-60 parts by weight of a polymer or comprises 10-40 parts by weight of a mixture comprising at least one kind of short fibers having a volume resistivity of less than 10.sup.-1 .OMEGA.cm and at least one kind of short fibers having a volume resistivity of 10.sup.-1 .OMEGA.cm or more and 90-60 parts by weight of a polymer. A method for controlling the polymer composition to 10.sup.5 -10.sup.13 .OMEGA.cm in volume resistivity is also provided.
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