Process for the preparation of large diameter oriented monofilaments
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United States of America Patent
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Jun 13, 1989
Grant Date -
N/A
app pub date -
Feb 25, 1987
filing date -
Feb 25, 1987
priority date (Note) -
Expired
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Abstract
Oriented polymeric monofilaments having a diameter of at least about 60 mils and excellent uniformity in roundness, are prepared in which a core of semi-crystalline linear condensation polymer is melt extruded, quenched to a substantially void-free condition, coated with additional polymer to increase the diameters by about from 10 to 100 mils, quenched to a substantially void-free condition, and oriented by drawing about 3.5 times its original length within the orientation temperature range of the polymer.
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