Absorbent sheet prepared with papermaking fiber and synthetic fiber exhibiting improved wet strength
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United States of America Patent
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Nov 29, 2011
Grant Date -
Dec 17, 2009
app pub date -
Jun 11, 2009
filing date -
Jun 11, 2008
priority date (Note) -
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Abstract
A wet-laid absorbent sheet includes a mixture of pulp-derived papermaking fibers and synthetic polymer fibers, a strength agent selected from carboxymethylcellulose and anionic starch as well as an epihalohydrin/amine functional wet strength resin. Also included is an anionic olefin copolymer resin effective to increase the wet/dry tensile ratio of the sheet.
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