Absorbent cellulosic material and production thereof
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United States of America Patent
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Aug 17, 1999
Grant Date -
N/A
app pub date -
Mar 24, 1997
filing date -
Mar 25, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method in which a sheet of cellulosic fibres is shredded into fluff wherein, prior to shredding, the fibres are treated in the presence of water with a hydrophobic substance having a specific surface area of at least about 50 m.sup.2 /g, to yield improved sorptive capacity; fluff obtainable by the method; absorbent articles comprising such fluff; use of a substance of said kind for improving the sorptive capacity of absorbent material comprising the fibers; a process for production of absorbent material obtained by shredding a sheet of such fibers in which the fibers, prior to shredding, have been treated in the presence of water with a substance of said kind to yield improved sorptive capacity; and absorbent material obtainable from the process.
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