Described herein are absorbent composites containing a superabsorbent material and a fibril filler substantially distributed throughout the superabsorbent material. Also described herein are methods of producing absorbent composites containing a superabsorbent material and a fibril filler substantially distributed throughout the superabsorbent material. Compositions and methods described herein are useful in a variety of absorbent products.

The present disclosure relates to an array of disposable inserts (25,26) for an absorbent assembly (1), the array comprising: a first package comprising a plurality of first inserts (25) for an absorbent assembly (1), configured to be arranged on or at least partially within an outer shell (2); a second package comprising a plurality of second inserts (26) for absorbent assembly (1), configured to be arranged on or at least partially within an outer shell (2); each first and second insert (25,26) comprising a topsheet (8), a backsheet (9) and an absorbent core (10) comprising absorbent material (23) arranged in between the topsheet (8) and backsheet (9);
the first insert (25) comprising a first absorbency as measured by method and the second insert (26) comprising a second absorbency as measured by method; wherein, the first absorbency is greater than the second absorbency. The disclosure also pertains to an absorbent assembly (1) and to an array of absorbent assemblies (1).

Disclosed is water-absorbent resin particles, in which a value of non-pressurization DW after 3 minutes is 14 ml/g or more, and a value of liquid suction power after 3 minutes measured by the following method is 11 ml/g or more. A liquid suction power measurement method: 0.3 g of the water-absorbent resin particles is uniformly dispersed in a cylindrical container having a mesh-like bottom and having an inner diameter of 26 mm; the cylindrical container is placed in a container containing 40 g of a physiological saline solution, the water-absorbent resin particles are caused to absorb the physiological saline solution for 30 minutes from the bottom of the cylindrical container, and thereby a swollen gel is obtained; and non-pressurization DW, which is measured in a state where another 0.3 g of the water-absorbent resin particles is uniformly dispersed on the swollen gel in the cylindrical container, is defined as liquid suction power.

An absorbent core and an absorbent article respectively with improved properties, especially rewet performance, are disclosed. The absorbent core has at least two layers, wherein each layer comprising from 0 to 10% by weight fibrous material and from 90 to 100% by weight water-absorbent polymer particles, based on the sum of water-absorbent polymer particles and fibrous material. The surface-postcrosslinked water absorbent polymer particles within the upper layer have a sphericity of at least 0.89 and a CRC of at least 34 g/g. Preferably the water-absorbent polymer particles have a sphericity of at least 0.89 and the sum of the CRC and AUL (0.3 psi, 21 g cm.sup.−2) (EDANA 442.2-02) of the water absorbent polymer particles is at least 65 g/g.

An AHP is disclosed having a topsheet, a backsheet joined with the topsheet, an absorbent core, disposed between the topsheet and the backsheet, and a poly(acrylic acid)-based superabsorbent polymer (SAP), partly derived from recycled resources. The SAP exhibits defined Saline Flow Conductivity and Absorption Against Pressure values. Methods for making the aforementioned AHP are also disclosed.

An absorbent article comprising: a liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core positioned between said topsheet and backsheet, wherein the absorbent core comprises an absorbent material, said absorbent material comprising a mixture, or blend, of cellulose fibers and superabsorbent polymers, wherein the absorbent core comprises at least a top layer (L1) and a bottom layer (L2) wherein the bottom layer (L2) is positioned between the top layer (L1) and the backsheet, and wherein said absorbent material is contained within at least one core wrap substrate enclosing said absorbent material therein, wherein the at least top layer (L1) and a bottom layer (L2) are directly stacked one on top of the other to form a contact zone (Zc) where the top layer (L1) directly adjoins to the bottom layer (L2), and wherein the top layer (L1) comprises one or more first superabsorbent polymer grades (SAP1) and the bottom layer (L2) comprises one or more second superabsorbent polymer grades (SAP2), wherein the first superabsorbent polymer grades (SAP1) have an AUL that is greater than the AUL of second superabsorbent polymer grades (SAP2), and wherein the first superabsorbent polymer grades (SAP1) have an AUL, as measured according to the test method herein, of greater than 15 g/g.

Provided are a water-absorbent resin easily separable from a recyclable resource in recovering the recyclable resource, and an absorbent article containing an absorbent material containing the water-absorbent resin. The water-absorbent resin according to the present invention has such a structure that a polymer formed from a water-soluble ethylenically unsaturated monomer is crosslinked by using a post-crosslinking agent. The water-absorbent resin has (1) a water-retention capacity for physiological saline of 35 g/g or more, (2) a water-absorption capacity for physiological saline under a load of 4.14 kPa of 10 mL/g or more, (3) an initial gel viscosity of 3000 mPa.Math.s or more, and (4) a gel decomposition index of 0.60 or less: gel decomposition index=B/A wherein A represents an initial gel viscosity (mPa.Math.s), and B represents a gel viscosity after one day (mPa.Math.s).

Disclosed is an absorbent article with biocompostable properties, such as a baby diaper, adult incontinence product, or a feminine hygiene pad. Particularly, the present invention is directed to a biocompostable absorbent sanitary article with a high degree of biocompostability. The sanitary article comprises, in one embodiment, at least a top layer, a back layer, and absorbent core, wherein the absorbent core includes a superabsorbent polymer, and wherein at least the superabsorbent polymer is biocompostable.

Disclosed is an absorbent article with biocompostable properties, such as a baby diaper, adult incontinence product, or a feminine hygiene pad. Particularly, the present invention is directed to a biocompostable absorbent sanitary article with a high degree of biocompostability. The sanitary article comprises, in one embodiment, at least a top layer, a back layer, and absorbent core, wherein the absorbent core includes a superabsorbent polymer, and wherein at least the superabsorbent polymer is biocompostable.

An absorbent core and an absorbent article respectively with improved properties, especially rewet performance, are disclosed. The absorbent core has at least two layers, wherein each layer comprising from 0 to 10% by weight fibrous material and from 90 to 100% by weight water-absorbent polymer particles, based on the sum of water-absorbent polymer particles and fibrous material. The surface-postcrosslinked water absorbent polymer particles within the upper layer have a sphericity of at least 0.89 and a CRC of at least 34 g/g. Preferably the water-absorbent polymer particles have a sphericity of at least 0.89 and the sum of the CRC and AUL (0.3 psi, 21 g cm.sup.2) (EDANA 442.2-02) of the water absorbent polymer particles is at least 65 g/g.