Patent ID: 6649809
Filing Date: 2003-11-18
Classification: A61F

Abstract:
A method of manufacturing an absorbent structure for use in a disposable absorbent product for absorbing bodily fluids, comprising the steps ofa) providing a fluid storage layer including matrix fibers and a superabsorbent polymer for receiving fluids, wherein one hour after three 100 ml insults to the structure at 20 minute intervals in a last three inches of the fluid storage layer longitudinal and transverse horizontal wicking test, the fluid storage layer has horizontal wicking of 22 g/g or greater; and b) providing a distribution strip below the fluid storage layer, the distribution strip including cellulosic fibers selected from the group consisting of cotton linters, mercerized cellulose, chemically treated cellulose and mixtures thereof, wherein the chemically treated cellulose is treated with a polyvalent ion selected from the group consisting of aluminum, calcium, magnesium and mixtures thereof, and the distribution strip has a basis weight of between 45 grams per square meter and 140 grams per square meter and has a density of between 0.25 grams per cubic centimeter and 0.55 grams per cubic centimeter.