US 12,303,361 B2
Highly extensible nonwoven webs and absorbent articles having such webs
Han Xu, Cincinnati, OH (US); Meganne Frisch, Cincinnati, OH (US); Jaroslav Kohut, Znojmo (CZ); Sascha Kreisel, Frankfurt am Main (DE); Jiri Kummer, Znojmo (CZ); Fang Liu, Mason, OH (US); Michael J. Roddy, Cincinnati, OH (US); Patricia Rolon, Cincinnati, OH (US); and Eric R. Schurdak, Cincinnati, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Jan. 24, 2024, as Appl. No. 18/420,813.
Application 18/420,813 is a continuation of application No. 16/856,086, filed on Apr. 23, 2020, granted, now 11,918,441.
Claims priority of provisional application 62/837,927, filed on Apr. 24, 2019.
Prior Publication US 2024/0156649 A1, May 16, 2024
Int. Cl. A61F 13/15 (2006.01); A61F 13/511 (2006.01); A61F 13/514 (2006.01); A61F 13/53 (2006.01); C08L 23/12 (2006.01); A61F 13/51 (2006.01)
CPC A61F 13/15577 (2013.01) [A61F 13/5116 (2013.01); A61F 13/51401 (2013.01); A61F 13/53 (2013.01); C08L 23/12 (2013.01); A61F 2013/15959 (2013.01); A61F 2013/5103 (2013.01); A61F 2013/51178 (2013.01); A61F 2013/51411 (2013.01); A61F 2013/51452 (2013.01); A61F 2013/53062 (2013.01)] 20 Claims
OG exemplary drawing
 
1. 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
wherein every gram per square meter of nonwoven 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 at least partially intermediate the topsheet and the backsheet.