High-DPF yarns with improved fatigue
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United States of America Patent
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Sep 4, 2007
Grant Date -
May 19, 2005
app pub date -
Nov 22, 2004
filing date -
Jan 28, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A product includes a dimensionally stable polymeric multifilament yarn having a decitex per fiber count DPF of at least 7.5 and a fatigue strength retention FR, wherein preferred yarns are spun and drawn such that FR increases when DPF increases. Particularly preferred yarns are fabricated from poly(ethylene terephthalate) and have a DPF of between 10 and 20.
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