Absorbent structure with discrete acquisition cells
AssigneeAttends Healthcare Products, Inc.
InventorsHarry J. Chmielewski, Paul M. Ducker
Life of this patent
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Abstract
An absorbent structure including a composite absorbent laminate is disclosed, with the structure suitable for use in disposable absorbent products such as for infant or incontinence care. Notably the laminate comprises discrete acquisition cells each comprising particles of preferably cellulosic absorbent material. The absorbent structure further comprises particulate superabsorbent polymer which can either be blended with the particulate discrete acquisition cells in the absorbent laminate, or provided in a separate absorbent layer of the absorbent structure. The discrete acquisition cells desirably generate free volume for rapid capillary absorption in an ultra-thin absorbent structure.
Claims11
An absorbent structure, comprising:
- a composite absorbent laminate comprising a carrier substrate, and a matrix of adhesive filaments, and discrete acquisition cells each comprising particulate cellulosic absorbent material comprising at least one of creped tissue and creped paper, said discrete acquisition cells being maintained in a randomized configuration on said substrate by said adhesive filaments, wherein said particulate absorbent material of said discrete acquisition cells exhibits greater dimensional expansion, upon wetting, in one dimension than in another dimension.
An absorbent structure, comprising:
- a composite absorbent laminate comprising :
- (1) a carrier substrate, said carrier substrate comprising first and second tissue layers, (2) a matrix of adhesive filaments, and (3) discrete acquisition cells each comprising particulate absorbent material comprising at least one of creped tissue and creped paper, said discrete acquisition cells being maintained in a randomized configuration between said first and second tissue layers on said substrate by said adhesive filaments,
- said absorbent structure comprising superabsorbent polymer particles, said discrete acquisition cells exhibiting capillary suction time that is less than a capillary suction time exhibited by said superabsorbent polymer particles, wherein said particulate absorbent material of said discrete acquisition cells exhibits greater dimensional expansion, upon wetting, in one dimension than in another dimension.
Dependencies are inferred from the claim text.