Processes of preparing partially oriented and draw textured poly(trimethylene terephthalate) yarns
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United States of America Patent
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Jan 6, 2004
Grant Date -
Oct 18, 2001
app pub date -
Feb 28, 2001
filing date -
Mar 3, 2000
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Abstract
A stable partially oriented poly(trimethylene terephthalate) yarn suitable for use in subsequent drawing and/or draw-texturing operations characterized by an elongation to break of at least 110%, and a process for false-twist texturing a partially oriented poly(trimethylene terephthalate) yarn are disclosed.
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