Hydrophilic yarn dyed polyester process
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United States of America Patent
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May 29, 2001
Grant Date -
N/A
app pub date -
Jul 29, 1998
filing date -
Jul 29, 1998
priority date (Note) -
Expired
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Abstract
A process for preparing moisture wicking polyester fabrics is disclosed which comprises the steps of: winding hydrophobic polyester yarn onto a package; subjecting the wound package to a dyebath including at least one dye and an agent rendering the polyester yarn hydrophilic while subjecting the yarn to elevated temperatures, pressures or both to dye the polyester yarn and render the polyester fibers hydrophilic; and preparing the thus dyed and treated polyester yarn into a fabric, biaxially stretching and heat-setting the fabric.
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