Apparatus and method for melt spun production of non-woven fluoropolymers or perfluoropolymers
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United States of America Patent
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Mar 31, 2011
app pub date -
Sep 25, 2009
filing date -
Sep 25, 2009
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Abstract
Disclosed is an apparatus, process, and product allowing for the manufacture of non-woven fluoropolymers, perfluoropolymers, and high temperature engineering resin filaments obtained from low melt index polymers. The fibers have continuous structural integrity created by using a heated duct that provides for maintaining an elevated filament temperature during filament draw down. The apparatus allows for entanglement and melt bonding of the fluoropolymers perfluoropolymers, and high temperature engineering resin filaments.
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