Absorbent cores with y-density gradient

Details Absorbent cores with y-density gradient Absorbent cores with y-density gradient

A - Human Necessities

61

F

A61F 13/15 (2006.01) D04H 1/70 (2006.01) D04H 13/00 (2006.01)

Patent

CA 2391528

Disclosed are absorbent structures having y-directional profile in density and superabsorbent polymer particle content. The structures include zones having higher density and higher superabsorbent polymer particle content and zones having lower density and lower superabsorbent polymer particle content. Also disclosed are methods for preparing absorbent structures having y-directional profile in density and superabsorbent polymer content.

L'invention concerne des structures absorbantes possédant un profil directionnel y de densité et de teneur en particules polymères superabsorbantes. Ces structures comprennent des zones à densité plus élevée et à teneur en particules polymères superabsorbantes plus élevée, et des zones à faible densité et à teneur en particules polymères superabsorbantes moins élevée. L'invention concerne également des procédés permettant de préparer ces structures absorbantes.

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