Method of manufacturing aramid filament
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United States of America Patent
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Feb 19, 2013
Grant Date -
Aug 5, 2010
app pub date -
Sep 6, 2007
filing date -
Sep 8, 2006
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Abstract
Disclosed are a method of manufacturing wholly aromatic polyamid filaments and wholly aromatic polyamid filaments produced by the same. The process includes control of a timing for introducing wholly aromatic polyamid polymer into an extruder for preparation of a spinning dope based on particle size and/or inherent viscosity (IV) of the polyamid polymer.
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