Unicharm Corporation

Yuki Noda

Satoshi Mizutani

Akira Hashino

Tatsuya Tamura

Koichi Yamaki

Kenichiro Kuroda

Hideyuki Ishikawa

Akihiro Kimura

Megumi Tokumoto

Akane Sakai

Wataru Yoshimasa

Takashi Nomoto

Kumiko Nishikawa

Takashi Onozuka

Masashi Nakashita

Shinpei Komatsu

Ichiro Wada

Hideyuki Kinoshita

Mitsuhiro Wada

Masashi Hosokawa

Koichiro Tani

Shimpei Komatsu

Osamu Nakajima

Yuichi Suzuki

Masashi Uda

Kazuya Okada

Toru Oba

Toshihisa Hayashi

Kiyoko Nishimura

Takashi Maruyama

Tomoyuki Saga

Taro Nittono

A top sheet includes a skin contact surface configured to contact the skin of a wearer. The skin contact surface includes at least one projection and at least one recess. The top sheet further includes a back surface opposite the skin contact surface. The top sheet further includes a coating on the at least one projection. The coating essentially includes a blood slipping agent having a kinematic viscosity of 0.01 to 80 mm/s at 40&#xb0; C., a water holding percentage of 0.01 to 4.0 mass %, and a weight-average molecular weight of less than 1,000, and the coating is configured to slip from the skin contact surface, through the top sheet, to the back surface along with menstrual blood.

Absorbent article

An absorbent article includes a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body between the liquid-permeable top sheet and liquid-impermeable back sheet. The liquid-permeable top sheet includes a blood modifying agent with an IOB of 0.00-0.60, a melting point of no higher than 45&#xb0; C., a water solubility of 0.00-0.05 g in 100 g of water at 25&#xb0; C., and a weight-average molecular weight of no greater than 1,000.

Absorbent article with blood modifying agent

An object of the present disclosure is to provide an absorbent body that is both soft and resistant to twisting. The absorbent body of the present disclosure is as follows. An absorbent body for an absorbent article includes thermoplastic resin fibers and cellulose-based water-absorbing fibers, at least some of the thermoplastic resin fibers have a first section' exposed on a surface of the liquid-permeable layer side of the absorbent body, a second section&#x2033; exposed on a surface of the liquid-impermeable layer side of the absorbent body and a joint section&#x2032;&#x2033; connecting the first section&#x2032; and second section&#x2033;, and the tensile strength in a thickness direction of the absorbent body is 100 Pa or greater.

Absorbent body and absorbent article containing said absorbent body

Provided is an absorbent article having a top sheet with an opening-formed area in which openings are formed, and non-opening-formed areas in which no openings are formed, said absorbent article being capable of preventing liquid from remaining on the surface of the opening-formed area of the top sheet. In the present invention, the top sheet is a resin sheet having an opening-formed area () in which openings are formed, and non-opening-formed areas () in which no openings are formed. The opening-formed area () is disposed in an outlet-facing area () that faces at least an outlet for fluid from a wearer. The top sheet () has a blood modifier layer on the surface of at least the outlet-facing area (). The blood modifier of the blood modifier layer has an inorganic/organic balance (IOB) of 0 to 0.60, a melting point of not more than 45&#xb0; C., and an aqueous solubility of 0.05 g or less with respect to 100 g of water at 25&#xb0; C.

An objective of the present invention is to provide an absorbent article with which, both when dry, prior to absorbing blood, and when wet, after absorbing blood, is provided with a fit in a wearer's excretory orifice, especially the labia minora, and which is not prone to leaking. Provided is an absorbent article, including a liquid-permeable top sheet, a non liquid-permeable back sheet, and an absorbent body between the liquid-permeable top sheet and the non liquid-permeable back sheet. The absorbent article further comprises a center high part which protrudes in the thickness direction of the absorbent article in an excretory orifice contact region. The center high part further includes a portion of the top sheet, and a cushion part which is positioned between the top sheet and the absorbent body. The center high part further includes a central part, and an outer circumference part which surrounds the central part. The density of the cushion part in the outer circumference part is greater than the density of the cushion part in the central part.

Absorbent article having a domed section and method of manufacturing same

An absorbent article includes a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body between the top and back sheets. The top sheet has first and second areas, each of which includes a blood lubricity-imparting agent that has a kinematic viscosity of 0.01-80 mm/s at 40&#xb0; C., a water hold percentage of 0.01-4.0 mass %, and a weight average molecular weight of less than 1,000. The first area overlaps at least partially with an excretory orifice contact area of the top sheet that is configured to contact with the excretory orifice of the wearer. The second area is arranged more to a rear side in a lengthwise direction of the absorbent article than is the first area. A basis weight of the blood lubricity-imparting agent in the first area is higher than that of the blood lubricity-imparting agent in the second area.

Absorbent article with blood slipping agent-containing regions

A package comprises: wrapped absorbent articles comprising: an absorbent article having an absorber; and a wrapper for individually wrapping the absorbent article, the absorbent article being placed on the wrapper and folded together with the wrapper, and the absorbent article being wrapped individually by the wrapper; and a bag containing the plurality of wrapped absorbent articles, wherein the wrapped absorbent articles are provided with a perfume, at least one surface of the bag comprises: aperture through which the perfume of the wrapped absorbent articles contained in the bag can pass; and a perfume indicator for indicating an existence of the perfume, a compressibility of the package is 10% or more when a load of 1.35 kg in weight is applied in an area of 100 mm&#xd7;200 mm of the package for ten seconds, and a compression resilience of the package is 95% or more after ten seconds has passed after removal of the load.

Package containing a plurality of wrapped absorbent articles

The purpose of the present invention is to provide a nonwoven for a top sheet of an absorbent article that is unlikely to stick after having absorbed menstrual blood, that is smooth and dry, and in which the absorbed menstrual blood is unlikely to diffuse on the nonwoven. This nonwoven has the following configuration. A nonwoven for a top sheet of an absorbent article, having a lengthwise direction and a crosswise direction, wherein the nonwoven has a plurality of ridge parts and a plurality of groove parts extending in the lengthwise direction and disposed in alternating fashion in the crosswise direction, the nonwoven being characterized in that the ridge parts and the groove parts have a plurality of through-holes, and the ridge parts have a region containing a blood lubricity-imparting agent that contains a predetermined blood lubricity-imparting agent.

Nonwoven and absorbent article having a blood slipping agent

This absorbent article has sufficient pliability even when an absorbent body is bonded to a transport material, a wrap material, etc., and is pleasant to wear. In this absorbent article (), an absorbent body () includes at least a hydrophilic fiber-containing hydrophilic fiber layer () having multiple non-through slits (), and in the surface opposite of the surface having the slits (), the hydrophilic fiber layer () has multiple recesses () in positions corresponding to the multiple non-through slits () in the thickness direction of the absorbent article ().

An object of the present disclosure is to provide an absorbent article without a sticky feel on the top sheet and with a smooth top sheet, not only when a large amount of menstrual blood has been absorbed, but even when a small amount of menstrual blood has been absorbed. The absorbent article of the present disclosure is as follows. An absorbent article comprising a liquid-permeable top sheet, a liquid-impermeable back sheet and an absorbent body between the liquid-permeable top sheet and liquid-impermeable back sheet, wherein the liquid-permeable top sheet comprises a blood slipping agent having a kinematic viscosity of 0.01 to 80 mm/s at 40&#xb0; C., a water holding percentage of 0.01 to 4.0 mass %, and a weight-average molecular weight of less than 1,000, on at least the projection in an excretory opening contact region.

An object of the disclosure is to provide an absorbent article without a sticky feel on the top sheet and with a smooth top sheet, even after highly viscous menstrual blood has been absorbed. An absorbent article comprising a liquid-permeable top sheet, an absorbent body, a liquid-impermeable back sheet, and a second sheet between the liquid-permeable top sheet and the absorbent body, wherein the top sheet and the second sheet comprise a blood modifying agent with an IOB of 0.00-0.60, a melting point of no higher than 45&#xb0; C., and a water solubility of 0.00-0.05 g in 100 g of water at 25&#xb0; C.

An individually packaged absorbent article has a pair of flaps for securing the absorbent article to clothing of a wearer. The absorbent article is folded multiple times along multiple folding axes such that the pair of flaps is folded over a liquid-permeable top sheet and the top sheet faces inward. The top sheet has a blood lubricating agent containing region, which contains a predetermined blood lubricating agent, in an area which overlaps with the pair of flaps in the thickness direction of the absorbent article. Moreover, the absorbent article is provided with a spacer for forming a space between the pair of flaps and the blood lubricating agent containing region of the top sheet.

An absorbent article has a lengthwise direction and a widthwise direction. The absorbent article includes a body section provided with a liquid-permeable top sheet on a skin-side, a liquid-impermeable backsheet on a garment-side, and a liquid-holding absorbent body positioned between the top sheet and the backsheet; and wing sections extending outwardly from both side-edges of the body section in the widthwise direction. A surface of the wing sections on the skin-side is formed by the top sheet or from side sheets positioned on both sides in the widthwise direction of the top sheet. Furthermore, the surface of the wing sections on the skin-side includes a plurality of bending parts extending non-continuously in the lengthwise direction, arranged in the widthwise direction, and having a substantially U-shaped cross-sectional shape in the widthwise direction.

Absorbent article having bent sections

The present invention addresses the problem of providing a novel absorbent article that prevents excessive compression of an absorbent body caused by deformation of the absorbent article, and rewetting associated with said compression. In order to solve such a problem, a sanitary napkin () is provided with a liquid-permeable top sheet (), a liquid-impermeable back sheet (), and an absorbent body () disposed between the top sheet () and the back sheet (), wherein: an extensible area () having an extensible bellows-like section (), and a flexible area () surrounding the extensible area () are formed in a waste supply area () of the top sheet ().

In an absorbent article, in which each of pressure-bonded parts has a linear shape extending in the length direction of the absorbent article, the pressure-bonded parts are formed with spacing at regular intervals in a discontinuous manner with respect to the length direction of the absorbent article and are also formed in multiple lines with spacing at regular intervals with respect to the width direction of the absorbent article, depressed parts are formed on a back-sheet-facing surface of an absorbent body that is located beneath the pressure-bonded parts, each of an excretory opening-contacting region in a top sheet and the pressure-bonded parts contains a blood lubricity-imparting agent having a kinematic viscosity of 0.01 to 80 mm/s at 40&#xb0; C., a water hold percentage of 0.01 to 4.0 mass % and a weight average molecular weight of less than 1,000, and the amount of the blood lubricity-imparting agent in the pressure-bonded parts is larger than that in the excretory opening-contacting region.

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Kagawa, Japan

Yuki Noda