An absorbent article including a wearer-facing topsheet, a backsheet and an absorbent core disposed between the topsheet and the backsheet, characterized in that the absorbent core includes: a first absorbent layer comprising a first substrate, a layer of first superabsorbent polymer particles deposited on the first substrate, and a fibrous layer of thermoplastic adhesive material covering the layer of first superabsorbent polymer particles; a second absorbent layer, the second absorbent layer comprising a second substrate and a mixed layer deposited on the second substrate, the mixed layer comprising a mixture of second superabsorbent particles and cellulosic fibers, the first absorbent layer and the second absorbent layer being combined together such that at least a portion of the fibrous layer of thermoplastic adhesive material of the first absorbent layer contacts at least a portion of the mixed layer of the second absorbent layer, and wherein the first absorbent layer is placed closer to the topsheet than the second layer.

Provided herein are fluid-absorbent articles, fluid absorbent cores, and fluid-absorbent mixtures with improved properties, especially rewet performance and liquid acquisition. The fluid-absorbent article includes (A) an upper liquid-pervious sheet, (B) a lower liquid-impervious sheet, (C) a fluid-absorbent core including from 60 to 20% by weight fibrous material and from 40 to 80% by weight of at least a first type of water-absorbent polymer particles, (G) and at least a second type of water-absorbent polymer particles (H) based on the sum of water-absorbent polymer particles and fibrous material, (D) an optional acquisition-distribution layer (D) between (A) and (C), (F) other optional components, wherein the first type of water absorbent polymer particles (G) of the fluid-absorbent core (C) have a SFC of at least 2010.sup.7 cm.sup.3.Math.s/g, and wherein the at least second type of water-absorbent polymer particles (H) of the fluid-absorbent core have a sphericity of at least 0.80.

Water-absorbing resin particles have a repulsion rate of 5% or more according to the formula (h.sub.3?h.sub.2)/h.sub.1?100(%) when a cylinder with an inner diameter of 25.4 mm, which has a mesh-like bottom onto which 0.2 g of the water-absorbing resin particles are sprinkled, is placed in a container having ion exchange water in an amount of 30 times a mass of the water-absorbing resin particles, where h.sub.1 represents a free swelling height (mm) of the water-absorbing resin particles after 1 minute from initiation of water absorption, h.sub.2 represents a height (mm) of the water-absorbing resin particles after a load of 1.3?10.sup.3 Pa is applied to the water-absorbing resin particles for 1 minute after 1 minute from initiation of the water absorption, and h.sub.3 represents a height (mm) of the water-absorbing resin particles after 1 minute from release of the load applied when measuring h.sub.2.

Provided herein are fluid-absorbent articles, fluid absorbent cores, and fluid-absorbent mixtures with improved properties, especially rewet performance and liquid acquisition. The fluid-absorbent article includes (A) an upper liquid-pervious sheet, (B) a lower liquid-impervious sheet, (C) a fluid-absorbent core including from 60 to 20% by weight fibrous material and from 40 to 80% by weight of at least a first type of water-absorbent polymer particles, (G) and at least a second type of water-absorbent polymer particles (H) based on the sum of water-absorbent polymer particles and fibrous material, (D) an optional acquisition-distribution layer (D) between (A) and (C), (F) other optional components, wherein the first type of water absorbent polymer particles (G) of the fluid-absorbent core (C) have a SFC of at least 2010.sup.7 cm.sup.3.Math.s/g, and wherein the at least second type of water-absorbent polymer particles (H) of the fluid-absorbent core have a sphericity of at least 0.80.

A device for the jellification/absorption of a water-based fluid, said device comprising a) at least one member comprising at least one absorption material and at least one jellifying agent, and b) at least one container, wherein the at least one jellifying agent is adapted to react with the water-based fluid to form a gel; wherein the at least one member is contained within the at least one container, and wherein the at least one container is made, at least in part, of a water-soluble material. A method for the manufacture of the device and a use of the device.

The present invention discloses a absorbent article configured for attachment to the interior of an child potty/bed pan or to be worn on an user. The absorbent article composes an absorbent core, first absorbent channel layer, intermediate channel layer and top permeable layer composes made up of permeable materials and further comprises an material capable of converting an liquid substance to an gel-like substance. Specifically, regions of the absorbent core first absorbent channel layer and intermediate channel layer may comprise an super absorbent polymer (SAP) material such as hydrogel, sodium polyacrylate, polyacrylate absorbents, or an biodegradable material such as an powder corn starch or wheat mixture or an combination of super absorbent polymer (SAP) and an biodegradable material.

The present invention relates to a method and apparatus for forming a composite structure, preferably for use in an absorbent structure used within the personal hygiene industry, such as for instance feminine hygiene garments, baby diapers and pants and adult incontinence garments. The present invention preferably provides a method and apparatus for depositing and positioning particulate materials in a desired pattern onto a moving carrier layer. The method allows accurate forming of a pattern of particulate material clusters at high production speed having improved attachment properties, with reduced raw material usage and relative low cost. The present invention foresees in the need for improved thin, flexible, lightweight absorbent structure having optimal absorption, distribution and retention.

A thin absorbent composite is provided wherein a nonwoven support sheet is hydro-entangled with a carded fiber web to provide a nonwoven substrate. The nonwoven substrate is coated with an absorbent layer comprising microfibrillated cellulose-coated superabsorbent polymer particles. A cover layer is placed above the absorbent layer to provide the absorbent composite. A process for manufacturing the absorbent composite and an absorbent article containing the absorbent composite are also provided.

An absorbent article includes an absorber having a front surface side sheet, a back surface side sheet disposed on the back surface side of the front surface side sheet, cells each of which is surrounded by bonded portions of the front surface side sheet and the back surface side sheet and inside each of which the front surface side sheet and the back surface side sheet are not bonded, and particulate materials which include superabsorbent polymer particles and which are contained in each of the cells. The bonded portions are arranged in continuous line shapes or dotted line shapes so as to form same-sized regular hexagons, which connect each other as unit shapes to be a honeycomb shape. All the cells are the same-sized regular hexagonal cells each of which is surrounded by the bonded portions.

Pulpless absorbent cores and methods of manufacture are disclosed. A first method for forming an absorbent core may comprise advancing a carrier sheet on a foraminous forming surface in a machine direction, the foraminous forming surface having a width extending in a cross-machine direction, creating a pressure differential across the forming surface, applying a first adhesive onto the carrier sheet, advancing the carrier sheet within a particulate material delivery chamber, and dispensing particulate material from a particulate material inlet within the particulate material delivery chamber to deposit the particulate material onto the first adhesive, wherein the particulate material inlet has a width that is between 25% and 75% of the foraminous forming surface width, and wherein the particulate material is delivered from the particulate material inlet at less than 900 meters per minute.