Fibrous blend and methods of preparation
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United States of America Patent
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Sep 22, 2009
Grant Date -
Dec 25, 2008
app pub date -
Jun 25, 2007
filing date -
Jun 25, 2007
priority date (Note) -
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Abstract
A method for making crosslinked fibers containing cellulose fibers in which an aqueous solution comprising a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer in water is treated with a first crosslinking agent to provide a gel; the gel mixed with a water-miscible solvent to provide mixed polymer fibers; cellulose fibers are added to the mixed polymer fibers; and these fibers are treated with a second crosslinking agent to provide crosslinked fibers.
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