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Patents

Highly Extensible Nonwoven Webs and Absorbent Articles Having Such Webs

U.S. Patent No. 12,303,361

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By: Tara Olivo

Associate Editor at Nonwovens Industry, Rodman Media

Han Xu, Cincinnati, OH; Meganne Frisch, Cincinnati, OH; Jaroslav Kohut, Znojmo, Czech Republic; Sascha Kreisel, Frankfurt am Main, Germany; Jiri Kummer, Znojmo, Czech Republic; Fang Liu, Mason, OH; Michael J. Roddy, Cincinnati, OH; Patricia Rolon, Cincinnati, OH; and Eric R. Schurdak, Cincinnati, OH. Assigned to The Procter & Gamble Company, Cincinnati, OH.

Filed: 1/24/24
Issued: 5/20/25
An absorbent article comprising: a nonwoven topsheet comprising: a first nonwoven web comprising: continuous multi-component fibers comprising polypropylene, wherein the polypropylene has a crystallinity of between about 20% and about 41%, according to a Crystallinity Test, and wherein the polypropylene has a melting temperature of between about 130° C. and about 161° C.; wherein the nonwoven topsheet defines a plurality of apertures, wherein the nonwoven topsheet comprises one or more melt lips at least partially surrounding one or more of the plurality of apertures, and wherein a maximum measurable aperture area equivalent diameter is between about 1.2 mm and about 10 mm, according to an Aperture Area Equivalent Diameter Test; wherein the nonwoven topsheet has an extensibility of between about 300% and about 450%, according to a High Speed Tensile Test; and where every gram per square meter of topsheet has a neckdown modulus of greater than 56 N/m, according to a Neckdown Modulus Test; a liquid impermeable backsheet; and an absorbent core positioned partially intermediate the topsheet and the backsheet.

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