Process for making a high heat polymer fiber
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United States of America Patent
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Aug 16, 2016
Grant Date -
Jan 17, 2008
app pub date -
Jul 14, 2006
filing date -
Jul 14, 2006
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Abstract
Various embodiments of a process for making fibers comprising a high heat polymer are provided. In one embodiment, a process for producing polymer fiber includes extruding molten polymer having a melt temperature ranging from about 180-500° C., passing the molten polymer through a plurality of openings of a spinneret to produce a fiber bundle, and contacting the fiber bundle with a cooling medium having a substantially uniform flow distribution across the width of the fiber bundle where the cooling medium has a temperature that ranges from about 0° C. to about 80° C.
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