Method of making a mixed polymer composite fiber and cellulose fiber
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United States of America Patent
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Issued Date -
Dec 25, 2008
app pub date -
Jun 25, 2007
filing date -
Jun 25, 2007
priority date (Note) -
Abandoned
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Abstract
A method for making a fibrous blend of crosslinked mixed polymer composite fibers in which an aqueous solution comprising a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer and first cellulose fibers 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; second cellulose fibers are added to the crosslinked mixed polymer composite fibers; and these fibers may be treated with a second crosslinking agent to provide crosslinked composite fibers. The second crosslinking treatment may be before or after the addition of the second cellulose fibers.
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