A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 13/15 (2006.01) A61F 13/00 (2006.01)
Patent
CA 2199480
In a method of manufacturing an absorbent structure (18) comprising a plurality of absorbent polymeric particles (16), a crosslinking agent (21) is reacted with the particles (16) such that regions of different degrees of crosslinking are formed. Absorbent structures (18) may be formed in this way comprising liquid-directing channels or other liquid-directing patterns in a layer of polymeric particles (16). The polymeric particles (16) may have varying degrees of interparticle crosslinking or may comprise varying degrees of surface crosslinking.
La présente invention concerne un procédé de fabrication d'une structure absorbante (18) constituée d'une pluralité de particules polymères absorbantes. Le procédé consiste à faire réagir avec les particules (16) un agent de réticulation (21) de façon à former des régions caractérisées par des niveaux différents de réticulation. Dans une couche de particules polymères des structures absorbantes (18), il est ainsi possible de réaliser des voies canalisant le liquide ou d'autres formes canalisant le liquide. Les différences de niveaux de réticulation des particules polymères (16) peuvent être soit intraparticulaires soit superficielles.
Plischke Manfred
Schmidt Mattias
Sim & Mcburney
The Procter & Gamble Company
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