High-tenacity yarn with profiled filaments
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United States of America Patent
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Sep 7, 2004
Grant Date -
Nov 13, 2003
app pub date -
Apr 24, 2003
filing date -
Apr 24, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A yarn containing filaments made from synthetic polymers has a cross-section having at least 5 vertices, a titer of 1 to 7 dtex and a tenacity of at least 60 cN/tex. The filaments of the yarn preferably have a cross-section having 5 to 8 vertices, possibly with indentations between the vertices. The cross-section of the filaments is preferably star-shaped. The yarn preferably has a tenacity of 60 to 85 cN/tex, an elongation at break of 15% to 35%, a hot-air shrinkage of 4% to 10% and a stretch recovery of 250 to 400 cN/tex. The yarn is excellently suited for use in the manufacture of industrial fabrics, particularly airbag fabrics.
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