Abstract: A microfiber cellulose solid body of which productivity in kneading treatment has been improved, as well as a method for preparing the microfiber cellulose solid body is provided. The microfiber cellulose solid body is formed by compressing a mixture containing resin powder and microfiber cellulose having an average fiber width of 0.1 to 19 ?m, wherein the microfiber cellulose solid body has a volume of 6 to 4000 mm3 and a bulk density of 0.3 to 1.0 g/cm3.

Abstract: An absorbent article in which an absorber includes an upper auxiliary layer disposed on an uppermost portion and a main absorption layer disposed on a back surface side of the upper auxiliary layer, and the upper auxiliary layer includes a super absorbent nonwoven fabric having a surface exposed to an uppermost surface of the absorber and having a Klemm water absorptiveness of 100 mm or more.

Abstract: An absorbent article wherein an upper auxiliary layer of an absorber includes a super absorbent nonwoven fabric having a surface exposed on an uppermost surface of the absorber and having a Klemm water absorptiveness of 100 mm or more, and first super absorbent polymer particles adjacent to a back surface of the super absorbent nonwoven fabric; a main absorption layer of the absorber is a cell absorbing sheet having second super absorbent polymer particles contained in cells arranged at intervals; the first super absorbent polymer particles are fixed to an upper surface of an upper sheet of the main absorption layer with an adhesive; the upper sheet is formed of a short fiber nonwoven fabric and has a larger amount of fuzz on the upper surface thereof than a lower surface thereof; and the adhesive is applied in an intermittent pattern at an application rate of 4 to 10 g/m2.

Abstract: A cellulose fiber composite recycled resin having excellent strength, and a method for producing the same. The cellulose fiber composite recycled resin contains a recycled resin and a mixture of fibrous cellulose, at least one of resin powders and resin pellets, and at least one substance selected from the group consisting of phthalic acid, phthalates, derivatives of phthalic acid, and derivatives of phthalates. For producing this composite resin, at least one of resin powders and resin pellets are added to a slurry of cellulose fibers to obtain a first mixture, a recycled resin is mixed into the first mixture to obtain a second mixture, and the second mixture is kneaded, wherein part or all of the cellulose fibers are fine fibers.

Abstract: Cellulose particles which are light in weight and have improved redispersibility in aqueous liquid, as well as dispersion liquid of the cellulose particles are provided. The cellulose particles contain 50 mass or more fine cellulose fibers having an average fiber diameter of 1000 nm or smaller, and have a packed bulk density of 0.1 to 200 mg/cm3 and an average particle size of 0.1 to 1000 ?m.

Abstract: An underpants-type disposable diaper in which an inlet of a dorsal side barrier is easily opened wider. The above problem is solved by an underpants-type disposable diaper in which a barrier sheet extends to a back side of a position on a front side of a back end of an absorber from the position and extends outward in a width direction from positions of both side edges of the absorber in the width direction is included, the barrier sheet has a free part not bonded to a member on a back surface side and a fixed part bonded to the member on the back surface side, a pocket-shaped dorsal side barrier having an inlet opening to a crotch side is formed by the free part of the barrier sheet, and a torsion hardness of a predetermined part including a back end portion of the absorber is 0.18 to 0.32 N·cm/cm.

Abstract: An underpants-type disposable diaper wherein the end portions of elastic members are kept from being drawn in, and the bonding strength in side sealed portions is kept from deteriorating. The diaper has outer member defining front and back body sections, wherein side portions of the outer member in the front and back body sections are joined to form side sealed portions, which produce a waist opening and a pair of leg openings. The front and/or back body sections, are provided with a tortuous elastic member extending with curvature from one to the other of the side sealed portions, and bonded thereto with adhesive. The amount of adhesive applied to a zone neighbouring the inner zone of each side sealed portion is larger than that applied to the outer zone of each side sealed portion.

Abstract: A disposable wearing article is provided with a laminated stretchable structure excellent in peeling strength and flexibility. The disposable wearing article has a laminated stretchable structure, in which an elastic sheet of a thermoplastic resin is laminated between a first sheet layer made of nonwoven fabric and a second sheet layer made of nonwoven fabric. The first sheet layer and the second sheet layer are bonded through through-holes formed on the elastic sheet at a large number of bonded portions arranged at intervals. In the bonded portions, the first sheet layer and the elastic sheet are melt-solidified, and a layer forming at least a surface opposite to the elastic sheet in the second sheet layer is not melt-solidified. The first sheet layer and the second sheet layer are bonded via a melt-solidified material of the first sheet layer and a melt-solidified material of the elastic sheet at the bonded portions.

Abstract: To prevent or suppress the occurrence of tearing of an elastic film between stretchable regions in an elastic sheet stretchable structure. An elastic sheet stretchable structure is provided, in which an elastic film is laminated between a first sheet layer having air permeability and a second sheet layer having air permeability, and the first sheet layer and the second sheet layer are bonded at a large number of sheet bonded portions arranged at intervals. At the boundary between a first stretchable region and a second stretchable region, a separation distance Px in an elastic limit elongation state between a bonded portion located on a side of the boundary of the first stretchable region in a stretchable direction and a bonded portion located on a side of the boundary of the second stretchable region in a stretchable direction is 10 mm or less.

Abstract: A configuration in which an upper auxiliary layer of an absorber includes a super absorbent nonwoven fabric having a surface exposed on an uppermost surface of the absorber and having a Klemm water absorptiveness of 100 mm or more, first super absorbent polymer particles adjacent to a back surface of the super absorbent nonwoven fabric. The main absorption layer of the absorber is a cell absorbing sheet including second super absorbent polymer particles contained in the cells arranged at intervals. A convex bulging upward is formed at each cell in an upper sheet. The first super absorbent polymer particles are fixed to the upper surface of the upper sheet. An adhesion amount of the first super absorbent polymer particles on the upper surface of the upper sheet increases from the top of a convex toward the bottom of a valley between a convex and a convex adjacent each other.

Abstract: To prevent or suppress roughness of the skin of a wearer by configuring an absorbent article so as to quickly absorb a body fluid into an absorber, for example, configuring a diaper so as to quickly absorb loose stool into an absorber. An absorbent article includes a liquid-holding absorber and a liquid pervious top sheet on a skin-facing surface side of the absorber. An absorbent Q mainly containing glycerin is provided on an intermediate sheet that transfers at least a body fluid that has passed through the top sheet to the absorber.

Abstract: A stretchable member has a second sheet layer with an exposed portion, first sheet layer, and elastic sheet interposed therebetween. The second and the first sheet layers are joined at multiple sheet joining portions arranged at intervals through joining holes penetrating the elastic sheet or via the elastic sheet, and vent holes each opened at least in a spread state by displacement of the edge of each joining hole away from the circumferential edge of each sheet joining portion in the stretchable direction ED. The colors of the external surface of the elastic sheet and of portions of the external surface of the first sheet layer observed through the vent holes are observable through the second sheet layer, and the color difference ?E between the colors of the external surface of the elastic sheet and of the external surface of the first sheet layer is 30 or more.

Abstract: A method for preparing carbamated cellulose fibers applicable to mass production is provided. The method for preparing carbamated cellulose fibers in which hydroxyl groups of cellulose fibers have partially or fully been modified with carbamate groups, includes heating a pulp sheet which has been formed into a strip shape by subjecting a raw material pulp to papermaking and contains urea or a derivative thereof, between a pair of rolls while passing therebetween, to cause the modification.

Abstract: To provide a toilet paper that provides an excellent thick feeling, has excellent water-disintegrability, has sufficient softness, provides a security feeling to a human body during use, and is environmentally friendly. The problem is solved by a 3-ply or 4-ply toilet paper having a basis weight of 10.5 to 16.5 g/m2 per ply, containing softwood-derived pulp in an amount of 80% by mass or more of fibers, containing a cationic fatty acid amide-based softener, and having a disintegration freeness of 550 cc or more.

Abstract: A disposable wearable article has an elastic sheet stretchable structure in which a first and second sheet layer are bonded through joint holes penetrating an elastic sheet at a plurality of bonded portions arranged at intervals, wherein a part of the elastic sheet located in a stretchable region is printed with a first design, a part of the elastic sheet in the non-stretchable region is printed with a second design, the first design and the second design are the same when the stretchable and non-stretchable region are at an elongation at elastic limit, and a stretchable direction dimension of design elements of the first design when a stretch rate of the stretchable region is 130% or more is 80% or more of a stretchable direction dimension of design elements of the first design when the stretchable region is at the elongation at elastic limit.

Abstract: A disposable wearable article has a top sheet constituting a surface for use, a liquid-impervious sheet provided on the under face side, and an absorbent element interposed therebetween, wherein the top sheet is formed of perforated nonwoven fabric having a number of holes arranged at intervals and each penetrating two sides of the fabric. The absorbent element includes an absorber body and a packing sheet covering the absorber body. The packing sheet is formed of laminated nonwoven fabric having a spunbonded layer and a melt-blown layer, and a moisturizer composed mainly of glycerin is applied to an exterior surface of the top sheet.

Abstract: A sheet package cap that is detachably attached to a sheet package in a film form so as to close an opening provided in the sheet package, the sheet package storing a sheet that is rolled inside, and the sheet package cap including: a cover that covers the opening; and an attachment to attach the cover to the sheet package. The cover includes: an outlet that includes an outlet hole to apply a resistance during taking out of the sheet; and a lid that closes the outlet hole.

Abstract: A rising portion of a rising gather includes a main region having a first part extending toward the center in the width direction, a second part extending outward in the width direction from the tip of the first part, in the middle of the front-back direction including a crotch portion, and a support region composed of only a third part extending toward the center in the width direction, between the main region and a back fallen portion. The main region has a first gather elastic member attached to a tip end of the second part along the front-back direction. The support region has a second gather elastic member attached to the tip end of the third part along the front-back direction. The base edge side of the third part is a non-stretchable portion, and the third part has a layer that follows the second part of the main region.