Patent ID: 9149556
Filing Date: 2015-10-06
Classification: A61F,A61L,Y10T

Abstract:
1. A feminine hygiene absorbent article comprising a water-absorbing composite comprising at least one superabsorbent foam layer and at least one web layer, wherein the at least one superabsorbent foam layer is obtained by foaming an aqueous mixture comprising at least one monoethylenically unsaturated monomer bearing acid groups, at least one crosslinker, at least one initiator, at least one foaming agent and at least one surfactant; wherein the at least one web layer consisting of polyester fibers and having a basis weight of not more than 200 g/m wherein a full thickness of the web is completely penetrated by the foam such that the foam has an integral web support; and wherein the water-absorbing composite only swells one-dimensionally when in contact with an aqueous fluid such that the water-absorbing composite swells in a thickness direction while an area of the water-absorbing composite remains unchanged.