Abstract: An absorbent article includes a liquid-permeable topsheet, a liquid-impermeable backsheet, and an absorbent body provided between the topsheet and the backsheet, wherein the absorbent body includes a crotch-corresponding region corresponding to the wearer's crotch when worn, and a front region being adjacent to and forward of the crotch-corresponding region, and a rear region being adjacent to and rearward of the crotch-corresponding region, and has a variable-density portion with a density increasing stepwise or gradually from a front toward a rear, the variable-density portion being located in a region extending at least from the crotch-corresponding region to the rear region.

Abstract: A lotion composition is provided. The lotion composition includes a) about 1% to about 90%, by weight, of a rheology structurant; and a b) carrier.

Abstract: Described herein is an absorbent article having an absorbent core. The absorbent core includes a superabsorbent polymer material and a superabsorbent polymer immobilizing material. The superabsorbent polymer immobilizing material includes from about 20% to about 70% of a first polymer and from about 30% to about 80% of a second polymer. The superabsorbent polymer immobilizing material has a Shear Viscosity at 10 (1/s) at 230° C. of from about 300 mPa·s to about 10,000 mPa·s.

Abstract: Disclosed are the cut edges of an absorbent fabric comprising at least 45% and less than about 90% cellulosic or natural fibers, and a fusible component being stabilized by fusing the fusible component with an arrangement of spaced lines or spaced areas extending from the cut edges, and optionally over the entire absorbent fabric.

Abstract: A SAP evaluation apparatus includes: a main body installed with a lifting bar that is raised or lowered; a container portion installed under the lifting bar in the main body and having an internal containing space for containing an absorber; an operating portion connected to the lifting bar and having a lifting plate that is raised or lowered within the containing space and applies pressure to the absorber and an injection portion for injecting an ink in the direction of the absorber; a dispersion measurement portion for measuring the dispersion of the ink through the absorber; and a controller installed at the main body to measure absorption of the ink into the absorber and measure swelling capacity of the absorber while the ink is injected into the absorber.

Abstract: Aspects of the present disclosure relate to methods and apparatuses for manufacturing absorbent articles, wherein discrete zones of protrusions may be formed on a substrate. In some configurations, the protrusions may be formed as hooks. When forming the discrete zones of protrusions, localized speed variances may be imparted to the advancing substrate to ensure the adequate time to form the protrusions is provided. As such, protrusions may be formed on portions of the substrate that have been temporarily stopped or slowed to relatively slow speeds. The substrates with zones of protrusions may then be incorporated into products, such as assembled absorbent articles, so as to place the protrusions in desired positions on the absorbent articles. As such, the methods and apparatuses herein allow for the use of hook forming techniques on substrates in article manufacturing processes that provide flexibility in such configurations without sacrificing desired manufacturing speeds.

Abstract: The present disclosure provides methods for controlling oxygen concentration during aerobic biosynthesis, e.g., fermentation. The method may comprise feeding an oxygen-containing gas into a vessel including a fermentation feedstock and reacting the fermentation feedstock with the oxygen-containing gas to form a broth including a gaseous phase dispersed within the broth. The gaseous phase may comprise any unreacted oxygen from the oxygen-containing gas. The method further includes reducing the concentration of the unreacted oxygen in the dispersed gaseous phase to less than the limiting oxygen concentration (“LOC”) for flammability before separating the gaseous phase from the fermentation broth. The concentration of the unreacted oxygen in the gaseous phase is reduced by employing oxygen removal schemes or oxygen dilution schemes.

Abstract: Configurable absorbent articles with improved bodily exudate visualization when viewing a wearer-facing surface are provided. The absorbent articles include a liquid permeable topsheet forming a portion of a wearer-facing surface of the absorbent article, a liquid permeable backsheet, and an absorbent core positioned at least partially intermediate the liquid permeable topsheet and the liquid permeable backsheet. The wearer-facing surface exhibits a Delta C* of greater than about 24 and less than about 50 when the absorbent article is subjected to a Bodily Exudate Visualization Test.

Abstract: An absorbent article includes a first waist region, a second waist region and a crotch region disposed between the first and second waist regions; and a chassis comprising a topsheet, a backsheet and an absorbent core disposed between the topsheet and the backsheet. The absorbent article also includes an ear disposed in one of the waist regions. The ear includes a laminate having a first nonwoven and a second nonwoven and an elastomeric material sandwiched between said first and second nonwovens in an elasticized region. The laminate also includes a first bonding region comprising a first plurality of ultrasonic bonds having a first bond density, and a second bonding region comprising a second plurality of ultrasonic bonds having a second bond density. The first bond density is greater than the second bond density.

Abstract: A super absorbent polymer according to the present invention has an excellent discoloration resistance characteristic even under high temperature/high humidity conditions, while maintaining excellent absorption performance, and is preferably used for hygienic materials such as diapers, and thus can exhibit excellent performance.

Abstract: Pulpless absorbent cores and methods of manufacture are disclosed. A method of forming a pulpless absorbent core may comprise moving a foraminous forming surface having un-masked portions and masked portions in a machine direction, the un-masked portions defining an absorbent core region. The method may further comprise depositing particulate material at a velocity of less than 1200 meters per minute in the absorbent core region while applying a vacuum. The absorbent core region may comprise: a front core region spanning a first half of the absorbent core region and a rear core region spanning a second half, wherein the front core region trails the rear core region in the machine direction, and the masked portions of the foraminous forming surface block airflow through the forming surface to cause greater than 60% of the particulate material deposited in the absorbent core region to locate in the front core region.

Abstract: A diaper configured for collection of a stool sample for an infant, and an associated method for collection, are disclosed. The diaper may include a backsheet including an effectively urine- and feces-impermeable material; a transverse perineal barrier including an effectively urine- and feces-impermeable material and having a proximal portion overlying the backsheet and sealingly connected to the diaper, and a free distal edge; and a liquid control structure disposed over the backsheet. The diaper may include additional features configured to receive a discharge of urine, isolate fecal material from urine, and facilitate collection of an intact stool sample following elimination.

Abstract: An absorbent article, such as a sanitary napkin, a pantiliner or an incontinence pad, which improves diffusion property of a body fluid and maintains a stable absorption amount. In FIG. 3, a sanitary napkin (1) includes an absorber (4) including an upper layer sheet (10) disposed at a skin side, a lower layer sheet (11) disposed at a non-skin side, and a highly water-absorbing polymer (12) disposed between the upper layer sheet (10) and the lower layer sheet (11). The upper layer sheet (10) is provided with a plurality of protruding portions (14) bulging out to the skin side and forming space portions (13) to be filled with the highly water-absorbing polymer (12), and a joined portion (15) in which the upper layer sheet (10) and the lower layer sheet (11) are joined to each other intermittently on the peripheral edges of the protruding portions (14) along the circumferential directions.

Abstract: A water repellent is applied to a spun lace nonwoven fabric in which a surface sheet comprises 100% by weight of cotton fibers, and a large number of openings that penetrate the obverse and reverse surfaces are formed in at least a portion that corresponds to an excretory opening. A heat-fusible fiber sheet is disposed adjacent to the absorber side surface of the surface sheet. A plurality of adhesive portions are formed between the surface sheet and the heat-fusible fiber sheet along the longitudinal direction and spaced apart in the widthwise direction of an incontinence pad. A compressed groove recessed from the outer surface of the surface sheet toward the absorber is formed close to the adhesive portions.

Abstract: Described herein are nonwoven materials including a plurality of fibers. At least some of the plurality of fibers include a filler. The plurality of fibers have a Thermal Conductivity from about 0.25 W/m/K to about 70 W/m/K.

Abstract: Provided is an absorbent article which includes a top sheet having extruded protrusions and a second sheet bonded to the top sheet and has adequate softness, satisfactory appearance, and yet prevents wrinkles in the top sheet along the MD.

Abstract: A 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 of the land areas surround at least some of the apertures. The patterned apertured web has an Effective Open Area in the range of about 5% to about 50%, according to the Aperture Test. The patterned apertured web has a plurality of Interaperture Distances, according to the Aperture Test. The Interaperture Distances have a distribution having a median and a mean. The mean is greater than the median.

Abstract: An absorbent article includes an absorbent core, a top sheet provided on a skin-side of a thickness direction of the absorbent core, and a second sheet arranged between the absorbent core and the top sheet in the thickness direction and to be placed in a wearer's inseam. The top sheet has a plurality of protrusions formed along a longitudinal direction and spaced apart in a horizontal direction. The second sheet is smaller than the top sheet in the horizontal direction. The top sheet has an overlapping region overlapping with the second sheet in the thickness direction and both end regions separated by a predetermined distance outward from the overlapping region in the horizontal direction and provided to overlap with the overlapping region in the longitudinal direction. A horizontal pitch of the protrusions in the overlapping region is larger than a horizontal pitch of the protrusions in the two end regions.

Abstract: A disposable hygiene article having an absorbent core with a first area having its narrowest width in the transverse direction in a front portion or at a location of a transition between the front portion and a crotch portion of the article. The absorbent core has a high-density region and a low density region. The absorbent core has a compression line forming an essentially upside down turned V such that the front tip of the V is located on the centre line and the legs of the V diverge towards the core rear edge at a mutual angle (?1) of from 30-120°. The low density region has an average density which is at least 20%, preferably at least 30% and most preferably at least 50% lower than the average density of the high density region. Also disclosed is a method of making the article.

Abstract: An absorbent body 4 is provided between a liquid permeable topsheet 3 and a liquid impermeable backsheet 2, and a second sheet 6 is provided between the liquid permeable topsheet 3 and the absorbent body 4. Slits 10 that penetrate in the thickness direction are formed along a longitudinal direction on both sides of the absorbent body 4 in the width direction, a body fluid expelling portion corresponding region H is included between the slits, the second sheet 6 is provided along an inner surface of the slits, and concave grooves 11, in which the second sheet 6 and the liquid impermeable backsheet 2 are integrated, are formed in the slits. At least a portion of the second sheet 6 constituting one of the side surfaces of the concave groove 11 has water-repellent properties.

Abstract: The present invention relates to a super absorbent polymer and a method for preparing the same. According to the method for preparing a super absorbent polymer of the present invention, the super absorbent polymer +having improved absorption capacity and permeability can be prepared.

Abstract: Antimicrobial coating compositions are used to form dried residual antimicrobial coatings on medical dressings including gauze, bandages, gowns and dry wipers. Antimicrobial coating compositions comprise at least one of an organosilane (R1O)3Si—R2—Z, an organic amine R9R10R11N a titanium (IV) species, a 1,2-diol, an ?-hydroxy acid, a ?-hydroxy acid, and an organosilane grafted parylene polymer, wherein R1 is H, alkyl, substituted alkyl, aryl or substituted aryl, R2 is a bivalent linker, Z is a nucleophile, leaving group, or quaternary nitrogen substituent and R9, R10, and R11 are independently H, alkyl, substituted alkyl, aryl, substituted aryl or cyclic.

Abstract: A nonwoven fabric for an absorbent article has a plurality of first ridges and a plurality of first grooves on a first surface, each of the first ridges extending in a first direction and being provided with a first top surface including a first top section and first side surfaces, and each of the first grooves extending in the first direction; each of the first grooves of the nonwoven fabric has a plurality of second ridges and a plurality of bottom sections on the first surface, each of the second grooves being contiguous with two adjacent first ridges among the plurality of first ridges and having a second top section; the nonwoven fabric is provided with a plurality of predetermined recess units; and in each of the plurality of recess units, the fiber density of the first surface is lower than the fiber density of the first top surface.

Abstract: A nonwoven substrate for an absorbent article including a layer of fibers is provided. The nonwoven substrate has a low surface tension fluid strikethrough time to basis weight ratio in the range of about 0.37 s/gsm to about 5 s/gsm. A plurality of the fibers each include fibrils extending outwardly from a surface of the fibers. The plurality of the fibers are made from a composition including a polyolefin and about 11% to about 35% of glycerol tristearate by weight of the composition. The nonwoven substrate has a specific surface area in the range of about 1 m2/g to about 4 m2/g.

Abstract: In an absorbent product (1), a first absorbent sheet (22) is disposed between a top sheet (21) and a back sheet (23). A second absorbent sheet (22a) is disposed between the first absorbent sheet (22) and the back sheet (23). The first absorbent sheet (22) includes a first upper sheet (221), a first highly absorbent material (222), and a first lower sheet (223). The first absorbent sheet (22) extends in the longitudinal direction beyond the longitudinal edges of the second absorbent sheet (22a) on both longitudinal sides. On each longitudinal side, an extension (224) of the first absorbent sheet (22) beyond the second absorbent sheet (22a) includes a back-sheet contact region (225) that is spaced in the longitudinal direction from the longitudinal edge of the second absorbent sheet (22a) and that is in contact with the back sheet (23). This configuration suppresses the return of liquid.

Abstract: Asymmetrical absorbent articles having printed regions to facilitate individual placement of the absorbent article are described.

Abstract: A sheet conveyance device for conveying, along a conveyance path, a sheet in which a given region from an obverse surface toward a reverse side thereof is composed of a non-woven fabric, and a powder supply device for supplying a powder to at least a partial zone of the sheet, are provided. Further, a fiber-raising device for raising fibers in at least part of the powder supply zone of the sheet is provided on the conveyance path at a position upstream of the powder supply device in a conveyance direction of the sheet.

Abstract: Disclosed herein is a sample collection apparatus. The sample collection apparatus includes a self-sampling pad and a cell fixing container, wherein the sample collection pad includes a filter unit, the structure and material of which are such that cells, viruses and DNAs contained in vaginal secretions can be efficiently absorbed and attached to the filter unit and can be efficiently detached from the filter unit in a cell preserving solution after the filter unit is removed and put into the cell preserving solution. Thus, the filter unit includes at least one adsorbent layer which is formed of a hydrophobic material having low fineness and high resilience.

Abstract: A stretchable structure of an absorbent article includes a stretchable region and a non-stretchable region. A laminate of a first sheet layer, second sheet layer, and elastic film between the first and second sheet layers extends over the stretchable and non-stretchable regions. The first and second sheet layers are bonded to each other at a large number of dot-like joints via through holes formed in the elastic film stretched along the surfaces of the first and second sheet layers in a stretchable direction. The dot-like joints are arrayed at intervals in the stretchable direction and a direction perpendicular to the stretchable direction. An end of the stretchable region adjacent to the non-stretchable region is a buffer stretchable section. The area rate of dot-like joints in the buffer stretchable section is larger than the area rate of dot-like joints in the main section not including the buffer stretchable section.

Abstract: Described herein is an elastic core assembly having a base nonwoven layer, a top nonwoven layer, and a plurality of spaced apart elastics sandwiched therebetween. The elastics are secured to one or both layers and form therewith, a plurality of elongated spaces wherein SAP material is deposited. Also described are s system and method of making the elastic core composite or assembly, and a disposable absorbent article incorporating the elastic core assembly.

Abstract: The present invention relates to superabsorbent polymer having excellent centrifuge retention capacity and permeability. The superabsorbent polymer simultaneously exhibits excellent centrifuge retention capacity and permeability, and thus, can fundamentally solve the problems of the existing superabsorbent polymer and technical requirement of the art, and can provide various hygienic goods exhibiting more excellent properties.

Abstract: An absorbent article for personal hygiene comprising: a topsheet, a backsheet, an absorbent core, the backsheet comprising a plastic film having a longitudinal tear strength measured in N/cm; the absorbent core being partially attached to the plastic film of the backsheet by a first glue wherein at least a continuous area of 10 mm in longitudinal direction and 25 mm in transversal direction of the bottom side of the core is unattached to the backsheet by the first glue or by any other means of attachment. In the first glue application area, the absorbent article has a core-to-backsheet peel strength measured in N/cm, such that the core-to-backsheet peel strength ranges from 10% to 40% of the longitudinal tear strength of the plastic film.

Abstract: The present invention relates to a superabsorbent polymer having excellent short time free absorbency. The superabsorbent polymer may exhibit excellent centrifuge retention capacity and absorbency under load, as well as excellent short time free absorbency. Thus, it can fundamentally solve the problems of the existing superabsorbent polymer and technical requirement of the art, and can provide various hygienic goods exhibiting more excellent properties.

Abstract: The present invention relates to a method for superabsorbent polymer that has a crosslinking density gradient increasing from the inside toward the outside, and thus, exhibits excellent properties with simultaneously improved centrifuge retention capacity and absorbency under load.

Abstract: The present invention relates to a superabsorbent polymer exhibiting excellent heat stability.

Abstract: Provided are methods for surface-modifying a thermoplastic resin which produce surfaces that show not only low adsorption of proteins and cells but also selective adsorption or adhesion of specific cells such as cancer cells, and further have excellent durability. A method for surface-modifying an object made of a thermoplastic resin, the method including: step 1 of forming polymerization initiation points on the surface of the object; and step 2 of radically polymerizing at least a hydrophilic monomer starting from the polymerization initiation points by irradiation with UV light having a wavelength of 300 to 400 nm to form a graft layer having a thickness of 2 to 100 nm on the surface of the object.

Abstract: A method for making a disposable absorbent core comprises depositing absorbent particulate polymer material from a plurality of reservoirs in a printing roll onto a substrate disposed on a grid of a support which includes a plurality of cross bars extending substantially parallel to and spaced from one another so as to form channels extending between the plurality of cross bars. The plurality of reservoirs in the first peripheral surface are arranged in an array comprising rows extending substantially parallel to and spaced from one another. A disposable absorbent article and apparatus for making an absorbent article are also disclosed.

Abstract: An absorbent article, such as a diaper or a training pant, having a wearer-facing side and a garment-facing side and a longitudinal axis. The absorbent article comprises a topsheet on the wearer-facing side, a backsheet on the garment-facing side, and an absorbent core between the topsheet and backsheet. The absorbent core comprises a pair of generally longitudinally-extending channels. The absorbent article further comprises a wetness indicator at least partially superposed with at least one of the channels, as seen from the garment-facing side of the article.

Abstract: A method is provided for recovering pulp fibers having little damage from a used absorbent article which includes a water permeable front sheet, a water impermeable back sheet and an absorbent body that contains pulp fibers and a superabsorbent polymer. At least one opening with a circle equivalent diameter of 5-45 mm, or 10-45 mm cut, is made in the front sheet and/or the back sheet of the used absorbent article, which is then agitated in an organic acid aqueous solution with a pH of less than or equal to 2.5, and the superabsorbent polymer is deactivated and the pulp fibers and superabsorbent polymer are discharged from the used absorbent article through the opening or cut.

Abstract: An absorbent core for disposable absorbent articles comprising absorbent material having a basis weight that varies across the absorbent core is provided.

Abstract: Nonwoven textile fabrics in accordance with the present invention are formed primarily of individualized bast fibers substantially free of pectin having a mean length less than 6 millimeters. The nonwoven fabric can include staple fibers and/or pulp fibers. Individualized bast fibers include fibers derived from the flax and hemp plants. The nonwoven textile fabric is formed into a web while in a dry state and subsequently bonded to produce a nonwoven fabric.

Abstract: An absorbent article has a longitudinal direction and a lateral direction perpendicular to each other, and includes a waist part along the lateral direction. The waist part includes nonwoven fabric and a plurality of stretchable members. In a state in which the waist part is extended along the lateral direction, an opening is formed in the waist part between stretchable members that are adjacent in the longitudinal direction. A high density region exists longitudinally between the opening and one of the adjacent stretchable members. An external region exists longitudinally between the high density region and another one of the adjacent stretchable members. The high density region has a predetermined lateral length. A density of fibers of the nonwoven fabric in the high density region is larger than in the external region. A part of an edge of the opening includes a portion in which fibers are not fused.

Abstract: It is described an integrated gas sensor device comprising a silicon substrate and an oxide layer on the silicon substrate, as well as a working electrode, a counter electrode and a reference electrode, on the oxide layer, the working electrode and the counter electrode having respective active area exposed to an environmental air through at least a plurality of first openings and a plurality of second openings in the oxide layer in correspondence of the working electrode and of the counter electrode, further comprising an electrolyte layer portion and a hydrogel layer portion on the electrolyte layer portion, the electrolyte and hydrogel layer portions having a same size, suitable to cover at least the working, counter and reference electrodes, the hydrogel layer portion acting as a “quasi solid state” water reservoir.

Abstract: A method of manufacturing a nonwoven including the steps of: forming a nonwoven web substantially comprised of continuous fibers; applying a bonding pattern to said nonwoven web using a smooth roll and a calender roll wherein said bonding pattern comprises a pattern having unbonded areas; and subjecting the side of said nonwoven web contacted by said smooth roll to a hydraulic treatment at a pressure of between 25 and 75 bars and a total energy of about 0.01-0.04 kwhr/kg., wherein said continuous fibers are comprised of between 97% and 98.5% by weight of an olefin resin comprising substantially of polypropylene and between 1.5% and 3% by weight of a whitener.

Abstract: An absorbent pant is provided with a containment system defined by a wearing-facing surface of the absorbent pant. The containment system comprises at least one of the following: a pleated section comprising a plurality of pleats; a channeled section comprising a plurality of alternating ridges and channels; and/or a bubbled section comprising a plurality of hemispherical-shaped bubbles aligned in a plurality of rows.

Abstract: A laminate comprising a first nonwoven layer comprising a plurality of apertures and a second nonwoven layer is provided. One of the first and second nonwoven layers is a pre-strained layer and is joined to the other one of the first and second nonwoven layers. The other one of the first and second nonwoven layers is a non-pre-strained layer. The pre-strained layer and the non-pre-strained layer together form a three-dimensional laminate.

Abstract: A vaginal insert which can be provided in an applicator for the treatment of urinary incontinence in females. The vaginal insert can provide tension-free incontinence treating support perpendicularly to the urethra (i.e., across the urethra).

Abstract: A carded staple fiber nonwoven having a basis weight of between about 45 grams per square meter (gsm) and about 150 gsm, includes a blend of absorbing fibers, stiffening fibers and filler fibers. The carded staple fiber nonwoven is non-heat stiffened, has an air permeability of between about 100 m3/m2/min and about 500 m3/m2/min, and a pore radius mode of between about 60 ?m and about 120 ?m.

Abstract: Fibrous structures that exhibit a Dry Burst of greater than 360 g as measured according to the Dry Burst Test Method and optionally, a Total Dry Tensile of less than 2450 g/76.2 mm and/or a Machine Direction (MD) Dry Tensile of less than 1520 g/76.2 mm and/or a Geometric Mean (GM) Total Dry Tensile of less than 1180 g/76.2 mm as measured according to the Tensile Strength Test Method are provided.

Abstract: An odor control layer for personal care products has a composition that has a PEG or PEG copolymer composition applied thereto. The layer can be placed in a personal care product, such as a diaper, training pant, absorbent under pant, adult incontinence product, or feminine hygiene product. Additional odor control layers may include silver nanoparticles and activated carbon compositions. In an alternative form, a single odor control layer includes the PEG composition and the activated carbon and/or silver nanoparticle compositions. A cleansing composition with PEG and possibly active carbon and silver nanoparticles may be combined with the personal care product to form a kit.