Layered absorbent structure with a heterogeneous layer region

Details Layered absorbent structure with a heterogeneous layer region Layered absorbent structure with a heterogeneous layer region

A - Human Necessities

61

F

A61F 13/15 (2006.01)

Patent

CA 2303304

A distinctive absorbent article includes an absorbent core having multiple absorbent layers, wherein the absorbent layers interact in such a manner which preferentially locates absorbed liquid in an appointed, high saturation wicking layer. The localization of the liquid within this wicking layer increases the potential of this layer to move liquid through capillary action due to the higher saturation level and increased amount of liquid available. In particular aspects, at least one primary layer region can have a heterogeneous structure. In additional configurations, the at least one primary layer region can include a plurality of two or more sublayers.

Un article absorbant caractéristique comporte une partie centrale absorbante à couches absorbantes multiples, les couches absorbantes interagissant de manière à transférer de préférence le liquide absorbé dans une couche d'imbibition haute saturation désignée. Le fait que le liquide se trouve dans cette couche d'imbibition permet d'accroître le potentiel de cette couche à déplacer le liquide par capillarité en raison du taux de saturation élevé et d'une quantité croissante de liquide disponible. Dans des aspects particuliers, au moins une zone de couche primaire peut présenter une structure hétérogène. Dans des configurations supplémentaires, la zone de couche primaire peut comporter deux ou davantage de sous-couches.

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