absorbent articles

Abstract

To provide an absorbent article capable of providing effective and sustained coolness over a wide area. [Solution] The absorbent article 1 according to the present invention comprises a liquid-permeable top sheet 2, a back sheet, a second sheet 5 disposed adjacent to the top sheet, and an absorbent body 4 composed of an absorbent sheet and disposed between the second sheet and the back sheet, and has a vertical direction corresponding to the front-to-back direction of the wearer and a horizontal direction perpendicular to the vertical direction and corresponding to the left-to-right direction of the wearer. The second sheet is disposed over the entire surface of the absorbent article in a plan view and has higher liquid diffusibility than the absorbent sheet. The second sheet contains a hydrophilic cooling sensation agent-containing liquid containing a cooling sensation agent.

Description

[Technical Field]

[0001] The present invention relates to absorbent articles such as panty liners. [Background technology]

[0002] When wearing an absorbent article such as a panty liner, the wearer may feel uncomfortable due to stuffiness caused by insensible perspiration, sweating, etc. To address this, absorbent articles that contain a cooling agent and can provide a cooling sensation are known. For example, Patent Document 1 discloses an absorbent article that includes a cooling agent between a top sheet and an absorbent body, and is characterized in that the amount of the cooling material disposed per unit area in the contact area of ​​the top sheet where the wearer's excretory area comes into contact is greater than the amount of cooling material per unit area in the area outside the contact area. For example, Patent Document 2 discloses an absorbent article that includes a cooling agent between the top sheet and the absorbent body, and that has an area on the top sheet outside the contact area in the planar direction of the top sheet, where the amount of cooling material per unit area is greater than the amount of cooling material per unit area in the contact area. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2010-234031 [Patent Document 2] Japanese Patent Application Laid-Open No. 2010-234028 Summary of the Invention [Problem to be solved by the invention]

[0004] Furthermore, there is a demand for a technology that can provide a more effective and sustained cooling sensation over a wider area than conventional technologies.

[0005] The present invention relates to an absorbent article that can provide effective and sustained cooling sensation over a wide area. [Means for solving the problem]

[0006] The absorbent article according to one embodiment of the present invention comprises a liquid-permeable top sheet, a back sheet, a second sheet arranged adjacent to the top sheet, and an absorbent body made of an absorbent sheet and arranged between the second sheet and the back sheet, and has a vertical direction corresponding to the front-to-back direction of the wearer, and a horizontal direction perpendicular to the vertical direction and corresponding to the left-to-right direction of the wearer. The second sheet is disposed over the entire surface of the absorbent article in a plan view, and has higher liquid diffusibility than the absorbent sheet. The second sheet contains a hydrophilic cooling agent-containing liquid containing a cooling agent. [Effects of the Invention]

[0007] The absorbent article of the present invention can provide effective and sustained cooling sensation over a wide area. [Brief explanation of the drawings]

[0008] [Figure 1] 1 is a plan view of an absorbent article according to an embodiment of the present invention; [Figure 2] FIG. 2 is a cross-sectional view of the absorbent article taken along line II-II in FIG. 1. [Figure 3] FIG. 3 is a partial cross-sectional view of a second sheet included in the absorbent article. DETAILED DESCRIPTION OF THE INVENTION

[0009] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. Here, a panty liner will be described as an example of an absorbent article. A panty liner is an absorbent article used mainly to absorb excretions such as vaginal discharge during non-menstrual periods.

[0010] [Overall structure of pantyliner] As shown in Figure 1, a panty liner 1 as an absorbent article of the present invention has a longitudinal direction X corresponding to the front-to-back direction of a wearer and a transverse direction Y corresponding to the left-to-right direction of the wearer and perpendicular to the longitudinal direction X. Furthermore, the panty liner 1 has a thickness direction Z perpendicular to both the longitudinal direction X and the transverse direction Y. In this embodiment, the panty liner 1 is a pad-type liner that is long in the longitudinal direction X and is worn, for example, in the crotch area of ​​underwear. In this specification, "front in the longitudinal direction X" or "front" means the front in the longitudinal direction X, i.e., the direction toward the ventral side of the wearer. "rear in the longitudinal direction X" or "rear" means the rear in the longitudinal direction X, i.e., the direction toward the dorsal side of the wearer. In this specification, the "skin side" in the thickness direction Z means the side that faces the wearer when the panty liner 1 is worn. The "non-skin side" in the thickness direction Z means the side that faces the clothing when the panty liner 1 is worn. In this specification, the term "plan view" refers to a plan view of the panty liner 1 stretched on the XY plane and viewed from the thickness direction Z.

[0011] As shown in FIG. 2, the panty liner 1 comprises a topsheet 2, a backsheet 3, a second sheet 5, and an absorbent body 4. 2, the panty liner 1 has a configuration in which a backsheet 3, an absorbent body 4, a second sheet 5, and a topsheet 2 are laminated in this order in the thickness direction Z. The components of the panty liner 1 are joined appropriately by, for example, adhesives, heat sealing, embossing, or the like.

[0012] The topsheet 2 forms the skin-facing surface 1a of the panty liner 1 and is disposed, for example, over the entire surface of the panty liner 1. The topsheet 2 is made of a liquid-permeable sheet material. As shown in FIGS. 1 and 2, the topsheet 2 may have visible apertures 21 to enhance liquid permeability. The topsheet 2 may also have an embossed pattern 22. However, the configuration of the topsheet 2 is not limited to the example shown in FIGS. 1 and 2. The sheet material constituting the topsheet 2 is not particularly limited as long as it is a sheet material that can be used in absorbent articles such as panty liners and sanitary napkins. For example, the topsheet 2 may contain polyolefin resins such as polyethylene and polypropylene, or polyester resins such as polyethylene terephthalate. The topsheet 2 may also contain natural fibers such as cotton fibers.

[0013] The backsheet 3 forms the non-skin-facing surface 1b of the panty liner 1. The backsheet 3 is disposed, for example, over the entire surface of the panty liner 1, and preferably has the same planar shape as the topsheet 2. The backsheet 3 is formed of a sheet material such as a thermoplastic resin film or a laminate of such a film and a nonwoven fabric. Such a sheet material preferably has properties such as liquid impermeability and / or water repellency. Furthermore, the backsheet 3 preferably has breathability and / or moisture permeability from the viewpoint of improving wearing comfort. 2, an adhesive 31 for fixing the panty liner 1 to an undergarment may be disposed on the non-skin-facing surface 1b of the backsheet 3. The adhesive 31 is made of, for example, a hot-melt adhesive.

[0014] The second sheet 5 is disposed adjacent to the top sheet 2. Referring to Fig. 1, the second sheet 5 is disposed over the entire surface of the panty liner 1 in a plan view. Note that in an actual plan view, the outline of the second sheet 5 cannot be seen from the skin-facing surface 1a of the panty liner 1, but for the sake of explanation, the outline of the second sheet 5 is shown by a thick dashed line in Fig. 1. As will be described later, the second sheet 5 is made of a sheet material with high liquid diffusion properties. This allows the second sheet 5 to have functions such as absorbing liquid from the topsheet 2 and retaining liquid. The detailed configuration of the second sheet 5 will be described later.

[0015] The absorbent body 4 is disposed between the second sheet 5 and the backsheet 3. In the example shown in Fig. 1, the planar shape of the absorbent body 4 is rectangular, but is not limited to this. As shown in Fig. 2, the absorbent body 4 is made of an absorbent sheet 40 from the viewpoint of reducing the thickness and improving the wearing comfort. The absorbent sheet 40 is an absorbent sheet material, and is made of, for example, absorbent nonwoven fabric or absorbent paper, and may contain a water-absorbent polymer. In the example shown in Fig. 2, the absorbent body 4 has a folded structure in which the absorbent sheet 40 is folded back on the side opposite the skin at the lateral direction Y. The detailed structure of the absorbent body 4 will be described later.

[0016] [Second seat configuration] In order to provide a cool sensation to the wearer and increase comfort, the panty liner 1 has a cooling function due to the cooling agent disposed in the second sheet 5. The cooling agent is volatile and stimulates thermoreceptors (e.g., TRPM8 receptors) on the skin or mucous membrane surface of the wearer. This allows the cooling agent to provide a cool sensation to the wearer without actually causing a change in temperature.

[0017] Examples of components constituting cooling sensation agents include cyclohexyl derivatives, cyclohexanol derivatives, carboxamides, ketones, etc. Examples of cyclohexyl derivatives include menthyl lactate, menthyl ethylamino oxalic acid, 3-(l-menthoxy)propane-1,2-diol, 3-(l-menthoxy)-2-methylpropane-1,2-diol, menthyl succinate, 3-(l-menthoxy)ethan-1-ol, 3-(l-menthoxy)propan-1-ol, 3-(l-menthoxy)butan-1-ol, l-menthyl-4-hydroxypentanoate, l-menthyl-3-hydroxybutyrate, etc. Examples of cyclohexanol derivatives include menthol, p-menthane-3,8-diol, isopulegol, etc. Examples of carboxamides include N-ethyl-p-menthane-3-carboxamide (N-ethyl-2-isopropyl-5-methylcyclohexane-1-carboxamide), N,2,3-trimethyl-2-(l-methylethyl)-butanamide, and l-menthylacetic acid N-ethylamide. Examples of ketones include camphor. The cooling sensation agent of the present embodiment preferably contains one or more cooling sensation agents as listed above. From the viewpoint of quickly exerting a cooling sensation after wearing and continuously exerting a mild cooling sensation, the cooling sensation agent preferably contains at least one of menthol, camphor, and menthyl lactate, and more preferably contains menthol and menthyl lactate.

[0018] The second sheet 5 contains a hydrophilic cooling agent-containing liquid that contains a cooling agent. The cooling agent-containing liquid means a liquid in which the cooling agent is dissolved or dispersed in a liquid medium. In other words, the cooling agent-containing liquid may be, for example, a solution in which the cooling agent is dissolved or a suspension in which the cooling agent is dispersed. "Hydrophilic" in a liquid containing a cooling sensation agent means that the liquid medium is hydrophilic. Hydrophilicity refers to the property of exhibiting affinity with water, for example, the property of being uniformly miscible in water. For example, a hydrophilic liquid medium preferably has a solubility of 1 g or more in 100 g of water at 25°C. Examples of such hydrophilic liquid media include dipropylene glycol, polyethylene glycol, glycerin, diethylene glycol, propylene glycol, and diethylene glycol monoethyl ether. Note that, since the cooling sensation agent is contained in a hydrophilic liquid medium, it is not encapsulated in a soluble coating (such as a microcapsule) that dissolves upon contact with water.

[0019] The cooling agent-containing liquid is applied to the second sheet 5 by various methods, such as spraying, coating, dipping, and transferring. Among these, from the viewpoint of efficiently applying the cooling agent-containing liquid to a predetermined area, it is preferable to apply the cooling agent-containing liquid to the second sheet 5. The cooling agent-containing liquid may be applied to the entire surface of the second sheet 5, but since it may diffuse over time within the second sheet 5, it may also be applied to a part of the second sheet 5.

[0020] In the above configuration, since the hydrophilic cooling agent-containing liquid is applied to the second sheet 5, when moisture such as excretory fluid or sweat comes into contact with the top sheet 2, the hydrophilic cooling agent-containing liquid blends with the moisture and easily migrates to the top sheet 2. In other words, the cooling agent-containing liquid contained in the second sheet 5 can quickly migrate to the top sheet 2 when the top sheet 2 absorbs moisture, and continues to migrate little by little to the top sheet 2 upon contact with moisture thereafter. This allows the cooling sensation provided by the cooling agent to be exerted quickly and sustained.

[0021] Furthermore, the second sheet 5 is disposed over the entire surface of the panty liner 1 in a plan view in order to provide a sustained and effective cooling sensation over a wide area, and has higher liquid diffusibility than the absorbent sheet 40. The high liquid diffusibility of the second sheet 5 allows the hydrophilic cooling agent-containing liquid applied to the second sheet 5 to be diffused over a wide area of ​​the second sheet 5. Furthermore, by disposing the second sheet 5 over the entire surface of the panty liner 1 in a planar view, the cooling agent-containing liquid can be diffused over a wide area of ​​the panty liner 1 in a planar view. Furthermore, the cooling agent-containing liquid is less likely to be drawn into the absorbent sheet 40, which has a relatively low liquid diffusibility, and migration of the cooling agent-containing liquid to the absorbent sheet 40 is suppressed. This allows a large amount of the cooling agent-containing liquid to be retained by the second sheet 5 and the top sheet 2, and the cooling sensation of the cooling agent can be effectively and sustainably exerted.

[0022] The liquid diffusibility of the second sheet 5 and the absorbent sheet 40 can be measured as follows. The sheets to be measured are removed from the absorbent article using standard methods. 0.5 g of colored saline solution is injected into each sheet using a syringe with a 10 mm diameter inlet and allowed to stand for 1 minute. The area of ​​the colored region resulting from the injection of saline is then measured for each sheet. For example, an image of the sheet containing the colored region can be captured using a scanner or the like, and the area of ​​the colored region in the image can be calculated using image analysis processing. The calculated area is the liquid diffusion area of ​​each sheet. If the liquid diffusion area of ​​the second sheet 5 is larger than the liquid diffusion area of ​​the absorbent sheet 40, the liquid diffusibility of the second sheet 5 is determined to be higher than that of the absorbent sheet 40.

[0023] As described above, the panty liner 1 (absorbent article) having the above-described configuration can provide an effective and sustained cooling sensation over a wide area, thereby effectively reducing discomfort caused by stuffiness and the like experienced by the wearer.

[0024] [Example of placement of liquid containing cooling agent] The area around the excretory area has many sweat glands, and there is a lot of insensible perspiration and sweating. Therefore, in order to effectively alleviate discomfort to the wearer, it is preferable that the cooling sensation be exerted over a wider area. From this perspective, it is preferable that the cooling agent-containing liquid is disposed over the entire surface in a plan view of the panty liner 1. That is, in this configuration, the cooling agent-containing liquid and the cooling agent contained therein are disposed over the entire surface of the second sheet 5. This makes it possible to provide a sufficient cooling sensation to the left and right side portions, front portion, and rear portion of the excretory area, where insensible perspiration and sweating are most prevalent, and more effectively alleviate discomfort to the wearer. The cooling sensation agent-containing liquid is placed in a state where the cooling sensation agent-containing liquid has been sufficiently dispersed after a long time (for example, 5 days or more) has passed since the absorbent article was manufactured.

[0025] [Detailed example of the second sheet and absorbent sheet configuration] As described above, it is preferable that the second sheet 5 has sufficient liquid diffusibility and can suppress the migration of the cooling agent-containing liquid to the absorbent sheet 40. From this perspective, preferable physical properties of the second sheet 5 will be explained below in comparison with the physical properties of the absorbent sheet 40.

[0026] The second sheet 5 preferably has a higher density than the absorbent sheet 40. Here, the density of the sheet means the mass per unit volume, specifically the value obtained by dividing the basis weight of the sheet by its thickness. This configuration can increase the density of the fibers and the like contained in the second sheet 5, and can promote the diffusion of the liquid by capillary action. Therefore, this configuration can suppress the migration of the cooling agent-containing liquid to the absorbent sheet 40 and promote the diffusion of the cooling agent-containing liquid over a wide range.

[0027] The method for measuring the density of the second sheet 5 and the absorbent sheet 40 will now be described. A sheet to be measured is removed from the absorbent article in the usual way. The sheet to be measured is cut to a predetermined area to obtain five measurement samples. The mass of these samples is measured using an electronic balance or the like. The measured mass is divided by the area of ​​each sample to calculate the basis weight of each sample. Next, an acrylic plate measuring 20 mm x 20 mm and 3 mm thick is placed in the center of each sample, and the thickness of each sample is measured using a non-contact laser displacement meter (e.g., laser head: LK-G30, displacement meter: LK-GD500, both manufactured by Keyence Corporation). If the cut sample is too small to measure using the non-contact laser displacement meter, the thickness may be measured by observing the cross section of the cut sample at a magnification of 20 to 100 times using a microscope (e.g., VHX-1000, manufactured by Keyence Corporation). The density of each sample is then calculated by dividing the calculated basis weight by the measured thickness. For each sheet, the average density of the five samples is calculated as the density of the sheet.

[0028] Specifically, the density of the second sheet 5 is preferably 60,000 g / m 3 More preferably, 100,000 g / m 3 or more, preferably 250,000 g / m 3 or less, more preferably 200,000 g / m 3 The density of the absorbent sheet 40 is preferably 2000 g / m 3 More preferably, 30,000 g / m 3 or more, preferably 100,000 g / m 3 or less, more preferably 80,000 g / m 3 The ratio of the density of the second sheet 5 to the density of the absorbent sheet 40, which is taken as 1, is preferably 1.5 or more, more preferably 3.0 or more, and is preferably 6.0 or less, more preferably 4.5 or less.

[0029] Furthermore, it is preferable that the second sheet 5 retains less liquid relative to the liquid diffusion area after absorbing liquid than the absorbent body 4. When the second sheet 5 comes into contact with a large amount of liquid exceeding its liquid retention capacity, it allows the liquid that it cannot retain to pass through to the absorbent sheet 40. Therefore, in the above configuration, small amounts of liquid, such as liquid containing a cooling sensation agent, are diffused within the second sheet 5, while large amounts of liquid, such as excrement and sweat, pass through the second sheet 5 and are retained in the absorbent body 4. Therefore, the panty liner 1 can allow the objects to be absorbed, such as excrement and sweat, to pass through and be retained in the absorbent body 4, and can prevent the liquid from returning to the topsheet 2. As a result, the skin-facing surface 1a of the topsheet 2 can maintain a dry feel, reducing discomfort to the wearer.

[0030] The method for measuring the amount of liquid retained relative to the liquid diffusion area after liquid absorption will be described below. The absorbent article is cut along the size of the absorbent body to serve as a measurement sample. 0.5 g of colored saline solution is injected into the surface material side using a syringe with a 10 mm diameter inlet and left to stand for 1 minute. The second sheet and absorbent body are then peeled off, and their masses are measured as the "sample mass after liquid absorption." After measuring the "sample mass after liquid absorption," the area of ​​the colored region caused by the injection of saline solution is measured and used as the "liquid diffusion area." The saline solution retained in the second sheet and absorbent body is then washed away with water and allowed to dry. The mass of the dried second sheet and absorbent body is measured, and the value obtained by subtracting this mass from the "sample mass after liquid absorption" is used as the "liquid retention amount." The "liquid retention amount" is divided by the "liquid diffusion area" to determine the "liquid retention amount relative to the liquid diffusion area."

[0031] Specifically, the liquid holding capacity of the second sheet 5 is preferably 1 mg or more, and more preferably 3 mg. 2 The liquid retention capacity of the absorbent sheet 40 is preferably 20 g or more, preferably 250 mg or more, and preferably 100 mg or less, preferably 80 mg or less. When the liquid retention capacity of the absorbent sheet 40 is taken as 1, the ratio of the liquid retention capacity of the second sheet 5 is preferably 0.02 or more, more preferably 0.05 or more, and preferably 0.5 or less, more preferably 0.3 or less.

[0032] Furthermore, from the viewpoint of reducing the amount of liquid held by the second sheet 5, it is preferable that the second sheet 5 has a lower basis weight than the absorbent sheet 40. By making the basis weight of the second sheet 5 lower than that of the absorbent sheet 40, the amount of fiber contained per unit area of ​​the second sheet 5 can be reduced compared to the absorbent sheet 40. This makes it possible to reduce the amount of moisture held between the fibers per unit area in the second sheet 5, and therefore the amount of liquid held by the second sheet 5.

[0033] Specifically, the basis weight of the second sheet 5 is preferably 8 g / m 2 or more, preferably 15 g / m 2 or more, preferably 50 g / m2 Less than 40 g / m 2 The basis weight of the absorbent sheet 40 is preferably 20 g / m 2 or more, preferably 30 g / m 2 or more, and preferably 100 g / m 2 Less than 80 g / m 2 The ratio of the basis weight of the second sheet 5 to the basis weight of the absorbent sheet 40, which is taken as 1, is preferably 0.1 or more, more preferably 0.2 or more, and is preferably 0.9 or less, more preferably 0.8 or less.

[0034] [Example of second seat] To achieve the above physical properties, the second sheet 5 preferably includes at least one sheet material selected from the group consisting of absorbent paper, rayon-containing nonwoven fabric, cotton-containing nonwoven fabric, spunbond nonwoven fabric, and spunbond-meltblown-spunbond (SMS) nonwoven fabric. Of these, from the viewpoint of obtaining a second sheet 5 with high liquid diffusibility, high density, and low liquid retention, the second sheet 5 is more preferably made of absorbent paper.

[0035] Furthermore, as shown in Fig. 3, the second sheet 5 preferably has protrusions 5c and recesses 5d extending in at least one of the horizontal direction Y or the vertical direction X. This makes it easier for the cooling agent-containing liquid to spread along the extending direction of the recesses 5d or the protrusions 5c. Therefore, even when the cooling agent-containing liquid is applied to only a portion of the second sheet 5, the cooling agent-containing liquid is easier to spread over the entire surface. Note that Fig. 3 shows an example in which the protrusions 5c and recesses 5d extend in the horizontal direction Y, but the extending direction of the protrusions 5c and recesses 5d is not limited to this. The second sheet 5 having the convex portions 5c and concave portions 5d is preferably made of, for example, creped absorbent paper or nonwoven fabric having concaves and convexes, and is more preferably made of creped absorbent paper from the viewpoint of promoting the diffusion of the cooling agent-containing liquid.

[0036] [Examples of absorbent sheets] The absorbent sheet 40 is preferably made of pulp airlaid nonwoven fabric from the viewpoint of achieving low liquid diffusion, low density, and high liquid retention. Pulp airlaid nonwoven fabric is a nonwoven fabric characterized by its bulkiness and high liquid retention. Pulp airlaid nonwoven fabric easily retains liquid in the thickness direction Z, suppressing liquid diffusion in the planar direction. Therefore, pulp airlaid nonwoven fabric can be used to obtain an absorbent sheet 40 that satisfies the above physical property requirements.

[0037] [Example of surface sheet configuration] The top sheet 2 preferably has hydrophilicity equal to or lower than that of the second sheet 5. This allows the hydrophilicity of the second sheet 5 to be equal to or higher than that of the top sheet 2, thereby improving the liquid diffusibility of the second sheet 5. The hydrophilicity of the sheet can be evaluated by the Klemm method described in JIS P 8141, "Paper and paperboard - Test method for water absorption." If the Klemm water absorption height of the top sheet 2 is equal to or less than the Klemm water absorption height of the second sheet 5, it can be determined that "the top sheet 2 has hydrophilicity equal to or lower than that of the second sheet 5."

[0038] To satisfy the above conditions, the topsheet 2 preferably comprises at least one sheet material selected from the group consisting of cotton-containing nonwoven fabric, linen-containing nonwoven fabric, silk-containing nonwoven fabric, rayon-containing nonwoven fabric, lyocell-containing nonwoven fabric, cupra-containing nonwoven fabric, and polynosic-containing nonwoven fabric. Alternatively, the topsheet 2 may be made of a nonwoven fabric whose hydrophilicity has been adjusted with a hydrophilic agent, a water-repellent agent, or a hydrophobic agent.

[0039] [Example of planar shape of absorber] As shown in FIG. 1, the absorbent 4 preferably has a smaller area than the second sheet 5 in a plan view of the panty liner 1. In the example shown in FIG. 1, the absorbent 4 is disposed in the center of the panty liner 1 in the horizontal direction Y and the vertical direction X. By making the planar shape of the absorbent 4 smaller than that of the second sheet 5, the liquid absorbed by the absorbent 4 is concentrated and retained in a narrow area. This makes it possible to suppress evaporation of the liquid absorbed by the absorbent 4. Furthermore, by retaining liquid in the absorbent 4 for a long period of time, the wet absorbent 4 can be in contact with the second sheet 5 for a long period of time. Therefore, drying of the second sheet 5 is suppressed, and drying of the liquid containing a cooling sensation agent is also suppressed. As a result, evaporation of the cooling sensation agent is sustained for a long period of time, allowing the cooling sensation to be exerted for a longer period of time.

[0040] [Examples of absorbent article dimensions] When the absorbent article is a panty liner 1, it is preferable that the panty liner 1 has the following dimensions in order to obtain the desired absorbency and provide a comfortable fit as if the panty liner is integrated with underwear. The maximum dimension of the panty liner 1 in the longitudinal direction X is preferably 10 mm or more, more preferably 12 mm or more, and is preferably 20 mm or less, more preferably 18 mm or less. The minimum dimension of the panty liner 1 in the lateral direction Y is preferably 30 mm or more, more preferably 35 mm or more, and is preferably 65 mm or less, more preferably 60 mm or less. The maximum dimension of the panty liner 1 in the lateral direction Y is preferably 30 mm or more, more preferably 35 mm or more, and preferably 75 mm or less, more preferably 70 mm or less. The panty liner 1 is not limited to a shape in which the central portion in the longitudinal direction X is constricted in the transverse direction Y as shown in FIG. 1, but may have a shape in which the dimension in the transverse direction Y is constant along the longitudinal direction X.

[0041] [Examples of other functional agents] The panty liner 1 may contain a fragrance, which allows the fragrance to mask odors such as those from excrement and sweat. The fragrance may be a normal fragrance that volatilizes under atmospheric pressure, whose scent can be perceived under normal temperature and pressure, and that can be used in absorbent articles. In the panty liner 1, it is preferable that at least one of the second sheet 5 and the absorbent sheet 40 contains a fragrance. From the viewpoint of reducing the influence of excrement and the like and more reliably sensing the fragrance, it is more preferable that the second sheet 5, which is disposed over the entire surface, contains a fragrance.

[0042] The panty liner 1 may also contain at least one of an antibacterial agent and a deodorant. The antibacterial agent can inhibit the growth of bacteria caused by excrement, sweat, etc., and reduce unpleasant odors caused by bacteria. The deodorant can also reduce unpleasant odors. The antibacterial agent may be any antibacterial agent used in absorbent articles such as panty liners, sanitary napkins, etc. Examples of such antibacterial agents include antibacterial metals, antibacterial metal carriers, and organic antibacterial agents. The deodorizing agent can be any deodorizing agent used in absorbent articles such as panty liners and sanitary napkins, without any particular limitations. For example, porous deodorizing granules with a wide deodorizing spectrum can be used as such a deodorizing agent. Furthermore, the antibacterial metal-supported material described above can be used as an antibacterial and deodorizing functional agent with both antibacterial and deodorizing properties. In the panty liner 1, it is preferable that at least one of the second sheet 5 or the absorbent 4 contains an antibacterial agent and / or a deodorizing agent, and it is more preferable that the absorbent 4 contains an antibacterial agent and / or a deodorizing agent in order to more reliably act on excrement, sweat, etc.

[0043] [Other embodiments] Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit and scope of the present invention.

[0044] In the above-described embodiment, the absorbent article is a panty liner, but is not limited to this. The absorbent article of the present invention may also be, for example, a sanitary napkin, a urine absorption pad, etc. [Explanation of symbols]

[0045] 1...Panty liners (absorbent articles) 2...Surface sheet 3...Back sheet 4...Absorbent 40...Absorbent sheet

Claims

1. An absorbent article comprising a liquid-permeable top sheet, a back sheet, a second sheet disposed adjacent to the top sheet, and an absorbent body formed of an absorbent sheet and disposed between the second sheet and the back sheet, the absorbent article having a vertical direction corresponding to the front-to-back direction of a wearer, and a horizontal direction perpendicular to the vertical direction and corresponding to the left-to-right direction of the wearer, the second sheet is disposed over the entire surface of the absorbent article in a plan view, and has a higher liquid dispersibility than the absorbent sheet; The second sheet contains a hydrophilic cooling sensation agent-containing liquid containing a cooling sensation agent. Absorbent articles.

2. The cooling sensation agent-containing liquid is disposed over the entire surface of the absorbent article in a plan view. The absorbent article of claim 1.

3. The second sheet has a higher density than the absorbent sheet. The absorbent article according to claim 1 or 2.

4. The second sheet has a smaller liquid retention amount relative to the liquid diffusion area after absorbing liquid than the absorbent body. The absorbent article according to any one of claims 1 to 3.

5. The second sheet has a basis weight lower than that of the absorbent sheet. The absorbent article according to any one of claims 1 to 4.

6. The top sheet has hydrophilicity equal to or lower than that of the second sheet. The absorbent article according to any one of claims 1 to 5.

7. The absorbent body has an area smaller than that of the second sheet in a plan view of the absorbent article. The absorbent article according to any one of claims 1 to 6.

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