A61F13/5123

ABSORBENT BODY AND SANITARY MATERIAL PRODUCT

Provided is an absorbent article that has an excellent capability of quickly absorbing a large amount of urine and the like, while preventing loss of the absorbing polymers to the outside of the absorbent article where the absorbent article comprises a first nonwoven fabric and a second nonwoven fabric between which a water-absorbing polymer group is placed, in which the surface of the first nonwoven fabric on the side of the water-absorbing polymer group has openings.

PATTERNED APERTURED WEBS

A patterned apertured web is disclosed. The patterned apertured web includes a plurality of land areas in the patterned apertured web and a plurality of apertures defined in the patterned apertured web. At least some land areas of the plurality of land areas surround at least some apertures of the plurality of apertures. The patterned apertured web has an Effective Open Area in the range of about 3% to about 30%, according to the Aperture Test herein. The patterned apertured web has a plurality of Interaperture Distances, according to the Aperture Test herein. The Interaperture Distances have a distribution having a median and a mean.

ABSORBENT ARTICLES HAVING APERTURED, THREE-DIMENSIONAL MATERIALS AND METHODS FOR MAKING SAME
20220218538 · 2022-07-14 ·

An absorbent article is provided. The absorbent article includes a nonwoven, liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core disposed at least partially intermediate the topsheet and the backsheet. The absorbent article includes an apertured substrate having a layer of fibers and has a plurality of apertures defined in the layer of fibers. At least some of the apertures have a side wall having a portion disposed an angle in the range of about 55 degrees to about 90 degrees, according to the 2D X-Ray CT Scan Test herein.

Customizable Dressings For Negative-Pressure Treatment Of Large Areas
20220241116 · 2022-08-04 ·

A dressing may include a first layer comprising a polymer film having a plurality of perforations. A second layer may comprise a manifold. A cover comprising a polymer film may be disposed adjacent to the second layer. The first layer, the second layer, and the third layer may be stacked so that the second layer is disposed between each of the first layer and the third layer. The second layer may have a length of at least 12 centimeters and not greater than about 32 centimeters. The second layer may have a thickness of between 7 millimeters and 9 millimeters. In some embodiments, the second layer may have a perimeter that is exposed between the first layer and the cover, which can allow the dressing to be customized for size and shape. The manifold may be configured to maintain at least 80% of an applied negative pressure through the length.

Absorbent articles having apertured, three-dimensional materials and methods for making same

An absorbent article is provided. The absorbent article includes a nonwoven, liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core disposed at least partially intermediate the topsheet and the backsheet. The topsheet includes a layer of fibers and has a plurality of apertures defined in the layer of fibers. At least some of the apertures have a side wall having a portion disposed an angle in the range of about 55 degrees to about 90 degrees, in the range of about 60 degrees to about 80 degrees, or in the range of about 63 degrees to about 75 degrees, according to the 2D X-Ray CT Scan Test herein.

Topsheet comprising natural fibers

A topsheet for an absorbent article is provided and has at least a first layer. The first layer comprises at least 15% by weight of natural fibers by total weight of the first layer. The first layer has a plurality of apertures. The first layer comprises land areas between a majority of the apertures. The contact angle on the land areas of the first layer between the majority of the apertures is more than 70° according to the contact angle test method. The topsheet has a run-off of less than 40% according to the run-off test method.

Structure having nodes and struts

An absorbent article comprising a topsheet, a backsheet, and an absorbent core structure is disclosed, wherein the absorbent structure includes a wearer facing core layer including either a heterogeneous mass layer or a fibrous structure comprising a fibrous network, wherein a portion of the topsheet and wearer facing core layer are integrated such that they at least partially reside in the same X-Y plane.

Topsheet comprising natural fibers

A topsheet for use in an absorbent article is provided and has at least a first layer. The first layer comprises at least 15% by weight of natural fibers by total weight of the first layer. The first layer has a plurality of apertures. The first layer comprises land areas between the plurality of the apertures. The contact angle on the land areas of the first layer between the plurality of the apertures is more than 70°, according to the Contact Angle Test Method. The topsheet has a run-off of less than 40%, according to the Run-off Test Method.

Topsheet comprising natural fibers with good mechanical strength

A topsheet for use with an absorbent article is provided and comprises a first layer and a second layer. The first layer is a spunlace nonwoven and comprises at least 15% by weight of natural fibers by total weight of the first layer. The first layer comprises a plurality of protrusions and a plurality of apertures. The first layer and the second layer are in contact with each other between the plurality of the protrusions. The second layer has a plurality of apertures at least partially aligned with the apertures of the first layer. The first layer has a minimum CD strength of at least 3N/(5 cm), according to the Tensile Strength Test Method.

ABSORBENT ARTICLE WITH IMPROVED LAMINATE TOPSHEET
20230390125 · 2023-12-07 ·

An absorbent article having a topsheet of particular configuration and composition is disclosed. The topsheet may be a laminate web having an upper layer of polymer film, directly bonded to a lower layer of nonwoven web. The film may include predominantly polyethylene (PE), have a basis weight of 8-20 gsm, and have formed thereon a pattern of cones and valleys, the cones projecting upwardly from adjacent valleys to rim edges proximate an upper side of the laminate web, the cones circumscribing and defining apertures through the film. The nonwoven web may have a basis weight of 12-24 gsm, and include staple fibers, with randomly-distributed fiber-to-fiber fusion bonds thereamong. The staple fibers may have an average denier of 3-12, and be spun of one or more polyolefins. Each of the film and the staple fibers may be modified with one or more hydrophilizing agents.