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Patents

Absorbent Article with Improved Core-to-Backsheet Adhesive:

U.S. Patent No. 11,918,445

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By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

Ernesto Gabriel Bianchi, Oberursel, Germany; and José Mauricio Berrizbeitia, Deerfield Township, OH.
Assigned to The Procter & Gamble Company, Cincinnati, OH.

Filed: 7/7/20
Issued: 3/5/24

An absorbent article for personal hygiene having a wearer-facing side, a garment-facing side and a longitudinal axis and transversal axis, the article comprising: a topsheet on the wearer-facing side; a backsheet on the garment-facing side; an absorbent core between the topsheet and the backsheet, the absorbent core having a top side and a bottom side, the absorbent core comprising an absorbent material comprising a superabsorbent polymer; the backsheet comprising a plastic film, the plastic film having a longitudinal tear strength measured in N/cm; the absorbent core being partially attached to the plastic film of the backsheet in at least two glue application areas, the at least two glue applications areas comprising a first glue application area; and wherein at least a continuous area of about 10 mm in longitudinal direction and about 25 mm in transversal direction of the bottom side of the core is unattached to the backsheet; wherein in the first glue application area, the absorbent article comprises a core-to-backsheet peel strength measured in N/cm, and wherein the core-to-backsheet peel strength ranges from about 10% to about 40% of the longitudinal tear strength of the plastic film.

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