Methods for the preparation of mixed polymer superabsorbent fibers containing cellulose
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United States of America Patent
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May 18, 2010
Grant Date -
Apr 3, 2008
app pub date -
Oct 2, 2006
filing date -
Oct 2, 2006
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Abstract
A method for making mixed polymer composite fibers containing cellulose fibers in which cellulose fibers are dispersed in an aqueous solution comprising a carboxyalkyl cellulose and a galactomannan polymer or a glucomannan polymer in water to provide an aqueous fiber dispersion; the aqueous dispersion treated with a first crosslinking agent to provide a gel; the gel mixed with a water-miscible solvent to provide composite fibers; and the composite fibers treated with a second crosslinking agent to provide crosslinked fibers.
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