Unitary absorbent layer

Details Unitary absorbent layer Unitary absorbent layer

A - Human Necessities

61

F

A61F 13/15 (2006.01) B32B 5/18 (2006.01) B32B 27/04 (2006.01) D04H 1/54 (2006.01) D04H 1/60 (2006.01) D04H 13/00 (2006.01) D21F 11/00 (2006.01) D21F 11/04 (2006.01) D21F 11/14 (2006.01) D21H 11/20 (2006.01) D21H 15/10 (2006.01) D21H 13/08 (2006.01) D21H 13/14 (2006.01) D21H 13/24 (2006.01) D21H 13/26 (2006.01)

Patent

CA 2273500

A unitary absorbent layer composed of cross-linked cellulosic fibers and a binder is disclosed. In a preferred embodiment, the binder is a bicomponent binding fiber. In combination with one or more other layers in an absorbent article, the unitary absorbent layer can rapidly acquire, distribute, temporarily store, and then release the acquired liquid to other liquid retention layers. Methods for forming the unitary absorbent layer are also disclosed.

Cette couche absorbante unitaire se compose de fibres cellulosiques réticulées et d'un liant. Dans un mode de réalisation préféré, ce liant est un bioconstituant se fixant sur une fibre. Combinée à une ou à plusieurs autres couches, dans un article absorbant, cette couche absorbante unitaire peut absorber, répartir et conserver temporairement le liquide reçu, puis libérer celui-ci vers les autres couches de rétention de liquide. L'invention concerne également des procédés de formation de cette couche absorbante unitaire.

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