Polyfilamentary carbon fibers and a flash spinning process for producing the fibers
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United States of America Patent
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Issued Date -
Jul 24, 2003
app pub date -
Jun 4, 2002
filing date -
Jun 5, 2001
priority date (Note) -
Abandoned
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Abstract
A process for preparing fibers, including: (a) providing a spinning mixture including a dispersion of a flashing agent and an excess of a carbonaceous pitch; and (b) passing the spinning mixture from a high pressure region through an orifice to a low pressure region to form polyfilamentary pitch fibers. The pitch fibers may optionally be further treated to form polyfilamentary carbon fibers or graphite fibers, which may be incorporated into a resin to form a lightweight, conductive composite.
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