Non-polymeric organic binders for binding particles to fibers
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United States of America Patent
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Jul 23, 1996
Grant Date -
N/A
app pub date -
Aug 17, 1992
filing date -
Aug 17, 1992
priority date (Note) -
In Force
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Abstract
Particles are bound to fibrous materials by a non-polymeric binder selected from the group consisting of an alcohol, a carboxylic acid, an aldehyde, an amino acid, an amide, and a polyamine. Particular disclosed binders include glycerin, glyoxal, ascorbic acid, urea, glycine, pentaerythritol, a monosaccharide and a disaccharide. The fibrous material is preferably cellulose fibers, and the particles are preferably superabsorbent particles. Fibers that incorporate the particles and binder preferably include 3-80% binder and 0.05-80% particles, by weight of the total weight of the fibrous material, binder and particles. Particles adhered to the fibers with the binder are firmly adhered and are not easily dislodged, hence products incorporating the fibers retain the desired property imparted by the particles, such as absorbency. Fibrous products produced by this method include fibers to which particles are bound, and fibers which have been treated with the binder but to which particles are not bound.
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