Saturated cellulosic substrate
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United States of America Patent
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Jul 14, 1998
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N/A
app pub date -
Jun 30, 1997
filing date -
Jun 30, 1997
priority date (Note) -
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Abstract
A saturated hydroentangled fibrous web which includes fibers and a saturant. The fibers include from about 20 to 100 percent by weight, based on the total weight of the fibers, of cellulosic fibers, and from 0 to about 70 percent by weight, based on the total weight of the fibers, of mercerized cellulosic fibers. From about 80 to 0 percent by weight of the fibers, based on the total weight of the fibers, are synthetic polymer fibers. Finally, at least 10 percent by weight of the fibers are mercerized cellulosic fibers, synthetic polymer fibers, or a mixture thereof. The saturant is present in the saturated fibrous web at a level of from about 25 to about 100 percent, based on the dry weight of the fibers. When synthetic polymer fibers are present in the web, the saturant may be adapted to wet synthetic polymer fibers. A second layer composed of a bonded nonwoven web may be present. Also provided is a method of preparing the saturated hydroentangled fibrous web.
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