Absorbents containing stiffened fibers and superabsorbent...

Details Absorbents containing stiffened fibers and superabsorbent... Absorbents containing stiffened fibers and superabsorbent...

A - Human Necessities

61

F

A61F 13/15 (2006.01) A61F 13/46 (1995.01)

Patent

CA 2069443

Absorbent structures having a fluid acquisition/distribution layer (110) with an average dry density of less than about 0.30 g/cc. an average density upon wetting with 1.0 % NaC1 aqueous solution of less than about 0.20 g/cc, and an average dry basis weight from about 0.001 to about 0.10 g/cm2; and a fluid storage layer (108) positioned beneath the acquisition/distribution layer (110) comprising at least about 15 % superabsorbent material. The fluid acquisition/distribution layer (110) comprises from about 50 % to 100 % chemically stiffened cellulosic fibers and from 0 % to about 50 % binding means.

Structures absorbantes munies d'une couche d'acquisition/distribution de liquide (110) d'une masse volumique sèche moyenne inférieure à environ 0,30 g/cc, une masse volumique moyenne après mouillage avec une solution aqueuse de NaCl à 1,0 % inférieure à environ 0,20 g/cc et un poids moyen sur une base sèche variant d'environ 0,001 à environ 0,10 g/cm2; et une couche de rétention de liquide (108) placée sous la couche d'acquisition/distribution de liquide (110) comprenant au moins environ 15 % d'une matière superabsorbante. La couche d'acquisition/distribution de liquide (110) comprend d'environ 50 à 100 % de fibres cellulosiques chimiquement raidies et de 0 % à environ 50 % de liant.

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