Method of making an absorbent product
AssigneeWeyerhaeuser Company
InventorsHarry J. Chmielewski, John R. Cook, David G. Unrau, Migaku Suzuki
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Abstract
An absorbent product, for use in absorbent articles, comprising an absorbent layer and a wicking layer of densified hydrophilic material. The absorbent layer comprises resilient hydrophilic fibers and superabsorbent material. The absorbent layer includes at least one area comprising a bulky fibrous structure having high void regions of low fiber density randomly distributed in the structure.
Claims5
A process for making an absorbent product which includes an absorbent layer having at least one area comprising a bulky fibrous structure having high void regions of low fiber density randomly distributed therein and a wicking layer placed at least coextensive with said one area, comprising:
- providing an elongatable resilient fibrous absorbent structure comprising from about 10 to 80% by weight of hydrophilic resilient fibers and from about 20 to about 90% by weight of discrete superabsorbent materials;
- stretching said fibrous absorbent structure in said elongatable direction thereof at a sufficient draw ratio to form said one area providing increased spacings between said adjacent discrete absorbent materials in said one area;
- releasing said fibrous absorbent structure from the stretched condition providing bulk recovery and formation of said high void regions of lower fiber density to said one area thereof;
- and
- applying said wicking layer adjacent to said one area of the released fibrous absorbent structure.
Dependencies are inferred from the claim text.