Abstract: 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 mm2/s at 40° 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.

Abstract: 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° C., a water solubility of 0.00-0.05 g in 100 g of water at 25° C., and a weight-average molecular weight of no greater than 1,000.

Abstract: 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 mm2/s at 40° 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.

Abstract: 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 mm2/s at 40° 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.

Abstract: The present invention addresses the problem of providing an absorbent article that has an improved ability to transfer menstrual blood from a liquid-permeable layer to an absorbent body and can reduce the amount of the menstrual blood remaining in the liquid-permeable layer. To solve this problem, provided is a sanitary napkin provided with a top sheet, a back sheet and an absorbent body that is interposed between the top sheet and the back sheet, wherein convex portions formed in an excretion orifice contact region of the top sheet are coated with a blood lubricity-imparting agent that has a kinetic viscosity of 0.01-80 mm2/s at 40° C., a water retention rate of 0.01-4.0 mass % and a weight-average molecular weight of less than 1,000.

Abstract: The present invention addresses the problem of providing an absorbent article that has an improved ability to transfer menstrual blood from a liquid-permeable layer to an absorbent body and can reduce the amount of the menstrual blood remaining in the liquid-permeable layer. To solve this problem, provided is a sanitary napkin provided with a top sheet, a back sheet and an absorbent body that is interposed between the top sheet and the back sheet, wherein convex portions formed in an excretion orifice contact region of the top sheet are coated with a blood lubricity-imparting agent that has a kinetic viscosity of 0.01-80 mm2/s at 40° C., a water retention rate of 0.01-4.0 mass % and a weight-average molecular weight of less than 1,000.

Abstract: An absorbent body in absorbent articles that causes exudates to disperse in a planar direction and a method of producing the same. The absorbent body has an absorbent core material covered with a cover sheet. The core material has a mass per unit area of 650 g/m2 or less and includes a first liquid absorbent layer containing hydrophilic fibers and superabsorbent polymer particles in a mixed state and a second liquid absorbent layer containing the hydrophilic fibers but none of the superabsorbent polymer particles, wherein the first liquid absorbent layer and the second liquid absorbent layer are overlap with each other and the hydrophilic fibers are in contact with each other between the first liquid absorbent layer and the second liquid absorbent layer.

Abstract: The present invention addresses the problem of providing an absorbent article that has an improved ability to transfer menstrual blood from a liquid-permeable layer to an absorbent body and can reduce the amount of the menstrual blood remaining in the liquid-permeable layer. To solve this problem, provided is a sanitary napkin provided with a top sheet, a back sheet and an absorbent body that is interposed between the top sheet and the back sheet, wherein convex portions formed in an excretion orifice contact region of the top sheet are coated with a blood lubricity-imparting agent that has a kinetic viscosity of 0.01-80 mm2/s at 40° C., a water retention rate of 0.01-4.0 mass % and a weight-average molecular weight of less than 1,000.

Abstract: The objective of the present disclosure is to provide an absorbent article (1) having a high fiber density region (7) in which absorbed menstrual blood is not easily retained, so that after menstrual blood has been absorbed, feelings of stickiness are not easily caused on a top sheet (2), and the top sheet (2) remains dry. The absorbent article (1) of the present disclosure has a liquid-permeable top sheet (2), a liquid-impermeable back sheet (6), and an absorbent body (3). The absorbent article (1) is characterized by: the top sheet (2) having, in an excretory orifice contact region (A), a high fiber density region (7) and a low fiber density region (8); the top sheet (2) containing, in the excretory orifice contact region (A), a prescribed blood lubricating agent (9); and the basis weight of the blood lubricating agent (9) in the high fiber density region (7) being larger than the basis weight of the blood lubricating agent (9) in the low fiber density region (8).

Abstract: 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 top sheet exhibits a color difference in a range of 37-80, based on the L*a*b* color system and measured from a skin contact surface of the top sheet in a liquid dropping test. Further, the top sheet has a color-reducing agent having an IOB of 0.00-0.35, a melting point of no higher than 45° C. and a water solubility of 0.00-0.05 g in 100 g of water at 25° C. The absorbent article is configured to allow a user to visually confirm reduction in residue of highly viscous menstrual blood on the top sheet after its absorption, thereby providing reassurance to the user.

Abstract: A nonwoven fabric for a top sheet of an absorbent article has a lengthwise direction and a width direction. The nonwoven fabric has a plurality of units in the width direction including first, second, third and fourth areas extending in the lengthwise direction. The second and fourth areas have a higher content by percentage of fibers that are oriented in the lengthwise direction than the third area. The first area has a higher content by percentage of fibers that are oriented in the width direction than the third area. The second, third area, and fourth area respectively include a predetermined blood lubricity-imparting agent, the blood lubricity-imparting agent, and the blood lubricity-imparting agent. The basis weights of the blood-lubricity imparting agent in the second area and in the fourth area are higher than that of the blood lubricity-imparting agent in the third area.

Abstract: The present invention addresses the problem of providing an absorbent article that has an improved ability to transfer menstrual blood from a liquid-permeable layer to an absorbent body and can reduce the amount of the menstrual blood remaining in the liquid-permeable layer. To solve this problem, provided is a sanitary napkin provided with a top sheet, a back sheet and an absorbent body that is interposed between the top sheet and the back sheet, wherein convex portions formed in an excretion orifice contact region of the top sheet are coated with a blood lubricity-imparting agent that has a kinetic viscosity of 0.01-80 mm2/s at 40° C., a water retention rate of 0.01-4.0 mass % and a weight-average molecular weight of less than 1,000.

Abstract: The present invention addresses the problem of providing an absorbent article that has an improved ability to transfer menstrual blood from a liquid-permeable layer to an absorbent body and can reduce the amount of the menstrual blood remaining in the liquid-permeable layer. To solve this problem, provided is a sanitary napkin provided with a top sheet, a back sheet and an absorbent body that is interposed between the top sheet and the back sheet, wherein convex portions formed in an excretion orifice contact region of the top sheet are coated with a blood lubricity-imparting agent that has a kinetic viscosity of 0.01-80 mm2/s at 40° C., a water retention rate of 0.01-4.0 mass % and a weight-average molecular weight of less than 1,000.

Abstract: The present invention addresses the problem of providing an absorbent article that has an improved ability to transfer menstrual blood from a liquid-permeable layer to an absorbent body and can reduce the amount of the menstrual blood remaining in the liquid-permeable layer. To solve this problem, provided is a sanitary napkin provided with a top sheet, a back sheet and an absorbent body that is interposed between the top sheet and the back sheet, wherein convex portions formed in an excretion orifice contact region of the top sheet are coated with a blood lubricity-imparting agent that has a kinetic viscosity of 0.01-80 mm2/s at 40° C., a water retention rate of 0.01-4.0 mass % and a weight-average molecular weight of less than 1,000.

Abstract: An absorbent body in absorbent articles that causes exudates to disperse in a planar direction and a method of producing the same. The absorbent body has an absorbent core material covered with a cover sheet. The core material has a mass per unit area of 650 g/m2 or less and includes a first liquid absorbent layer containing hydrophilic fibers and superabsorbent polymer particles in a mixed state and a second liquid absorbent layer containing the hydrophilic fibers but none of the superabsorbent polymer particles, wherein the first liquid absorbent layer and the second liquid absorbent layer are overlap with each other and the hydrophilic fibers are in contact with each other between the first liquid absorbent layer and the second liquid absorbent layer.

Abstract: A nonwoven fabric with excellent feel on the skin, excellent air permeability and liquid permeability, and high deformability and superior recoverability. The nonwoven fabric comprises composite fibers that include a first component, and a second component having a lower melting point than the first component, wherein detached portions are created by detaching at least a portion of the second component from the first component and/or the residual portion of the second component, and at least some of the detached portions are tangled and/or fused with other composite fibers.

Abstract: The objective of the present disclosure is to provide an absorbent article (1) having a high fiber density region (7) in which absorbed menstrual blood is not easily retained, so that after menstrual blood has been absorbed, feelings of stickiness are not easily caused on a top sheet (2), and the top sheet (2) remains dry. The absorbent article (1) of the present disclosure has a liquid-permeable top sheet (2), a liquid-impermeable back sheet (6), and an absorbent body (3). The absorbent article (1) is characterized by: the top sheet (2) having, in an excretory orifice contact region (A), a high fiber density region (7) and a low fiber density region (8); the top sheet (2) containing, in the excretory orifice contact region (A), a prescribed blood lubricating agent (9); and the basis weight of the blood lubricating agent (9) in the high fiber density region (7) being larger than the basis weight of the blood lubricating agent (9) in the low fiber density region (8).

Abstract: The purpose of the present invention is to provide an absorbent article in which a top sheet (2) does not have the conventional concavo-convex shape, and the top sheet (2) feels dry and does not feel sticky even after absorbing menstrual blood having a high viscosity. This absorbent article has a liquid-permeable top sheet (2), a liquid-impermeable back sheet (6), and an absorbent (3) disposed between the liquid-permeable top sheet (2) and the liquid-impermeable back sheet (6), wherein the liquid-permeable top sheet (2) has a grammage of 5 to 30 g/m2 and a thickness of 0.10 to 0.30 mm in a region that comes into contact with an excretory opening, the liquid-permeable top sheet (2) contains a blood modifier (8) in the skin abutting surface (7) of the region that comes into contact with an excretory opening, and the blood modifier (8) is a polyoxypropylene-glycol-based compound.

Abstract: 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 mm2/s at 40° 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.

Abstract: 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, even after highly viscous 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 modifying agent with an IOB of 0.00-0.60, a melting point of no higher than 45° C., a water solubility of 0.00-0.05 g in 100 g of water at 25° C., and a weight-average molecular weight of no greater than 1,000.