Process for the preparation of fibers of syndiotactic vinylaromatic polymers
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United States of America Patent
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Oct 29, 1996
Grant Date -
N/A
app pub date -
Mar 13, 1995
filing date -
Mar 13, 1995
priority date (Note) -
Expired
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Abstract
Fibers of syndiotactic vinylaromatic polymers are prepared in an improved process comprising: A) heating the polymer to a temperature above its crystalline melting point; B) extruding the molten polymer through a multiplicity of orifices in a spinnerette to form fibers; C) drawing the fibers at a spin/draw ratio from 120:1 to 5000:1; and D) cooling the fibers to ambient temperature.
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