Hydroentangled nonwoven fabrics, process, products and apparatus
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United States of America Patent
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Aug 24, 2010
Grant Date -
Jun 26, 2008
app pub date -
Dec 22, 2006
filing date -
Dec 22, 2006
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Fibers are hydroentangled at temperatures near or above their glass transition temperature, the resultant fabrics are then rapidly cooled. A process of preparing a nonwoven fabric that includes depositing fibers on a foraminous support; impinging hot or warm water upon the fibers to hydroentangle them; and then rapidly cooling the resultant fabric is disclosed. The hydroentangled fabric resulting from this process, products made from the hydroentangle fabric, and the equipment used to prepare the fabrics are described.
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