JP2023174068A - Auxiliary absorbent article - Google Patents

Abstract

To provide an auxiliary absorbent article capable of being produced at a low cost and properly preventing leakage of loose passage.SOLUTION: There is provided an auxiliary absorbent article 40, which is fitted to an absorbent article 50, having a length of 450 mm or greater and 650 mm or smaller and a width of 150 mm or greater and 230 mm or smaller. The auxiliary absorbent article comprises: a first layer 10; a second layer 20 which has a first folding part 22 formed by covering the first layer 10 over a length direction and folding and fixing an end part so that a part of the first layer 10 on a skin side surface becomes an opening OP1; and a third layer 30 which has a second folding part 33 formed by covering the second layer 20 over the length direction and folding and fixing an end part so that a part of the first layer 10 on the skin side surface becomes an opening OP2. A total sum B of a width of the first folding part 22 is greater than a total sum C of a width of the second folding part 33.SELECTED DRAWING: Figure 3

Description

FIELD OF THE INVENTION The present invention relates to supplementary absorbent articles.

BACKGROUND ART Absorbent articles serving as outerwear are known in which an absorbent member consisting of a top sheet, a back sheet, and an absorbent body held between the top sheet and the back sheet is disposed on the skin side of an exterior body.
The absorbent article absorbs and retains urine and loose stool using the absorbent member. In addition, various proposals have been made to prevent loose stool from leaking from absorbent articles.

In Patent Document 1, a through hole is formed that penetrates from the top sheet to the absorbent body in the thickness direction, and an uneven structure is formed between the absorbent body and the back sheet, which is made of a nonwoven fabric or a foam, and on the skin contact surface. An absorbent article is described in which the diffusion layer forms the bottom of the through-hole, and the bottom is exposed on the skin-contacting surface side.

Patent Document 2 discloses a structure that includes three-dimensional gathers that protrude toward the front side using both sides of the surface as root portions, and that extends laterally from the protruding portion of the three-dimensional gathers at least within a range on the rear side of the front end of the crotch area. describes a pad-type disposable diaper that is provided with a cup portion that is recessed into a cup shape when viewed from the surface side.

Patent Document 3 discloses that the upper surface of the top sheet is further provided with a lower toilet seat sheet and a stool receiving sheet in order from the top sheet side, and the lower toilet seat sheet has a soft stool permeation rate higher than that of the stool receiving sheet. The item is listed.

Patent Document 4 discloses that a stool pocket for storing and retaining excrement is provided in the buttocks contact area, and the opening of the stool pocket is covered with a mesh sheet, and a hydrophilic agent is applied to at least the intermediate region of the mesh sheet that includes the urination area. An absorbent article is described that has been surface-treated by.

Patent No. 2016-112232 Patent No. 2014-45980 Patent No. 2009-22460 Patent No. 2007-90056

The absorbent articles and pad-type disposable diapers described in Patent Documents 1 to 4 are intended to prevent the leakage of loose stools, but because they are absorbent articles intended to prevent the leakage of loose stools, they require complicated processing. is required, and the cost is relatively high.

An object of the present invention is to provide a low-cost auxiliary absorbent article that can be attached to an absorbent article and can appropriately prevent leakage of loose stool.

As a result of extensive research in order to solve the above problems, the present inventors have discovered that, in an auxiliary absorbent article attached to an absorbent article, after adjusting the dimensions of the auxiliary absorbent article within a predetermined range, the second layer A first folded part of the second layer and a second folded part of the third layer are provided, and the relationship between the total width of the first folded part of the second layer and the total width of the second folded part of the third layer is determined within a predetermined range. The inventors have discovered that a low-cost auxiliary absorbent article that can appropriately prevent the leakage of loose stool can be obtained by adjusting the absorbent material, and have completed the present invention. The present invention relates to the following auxiliary absorbent article.

(1) An auxiliary absorbent article attached to an absorbent article, which has a length of 450 mm or more and 650 mm or less, and a width of 150 mm or more and 230 mm or less, and has a first layer and the first layer in the length direction. a second layer having a first folded part whose end is folded back and fixed so as to open a part of the skin side surface of the first layer; and a second layer which covers the second layer in the length direction. , a third layer having a second folded part whose end is folded back and fixed so as to open a part of the skin-side surface of the first layer, and the total width of the first folded part is: The auxiliary absorbent article is larger than the total width of the second folded portion.

(2) The opening is provided on the skin-side surface of the central portion of the first layer in the width direction, and the first folded portion and the second folded portion are provided on both sides of the opening in the width direction. , the auxiliary absorbent article of (1) above.

(3) The ratio of the width of the first layer, the total width of the first folded portion, and the total width of the second folded portion is 1:0.6 to 0.7:0.3. The auxiliary absorbent article according to (1) or (2) above, which has a molecular weight of 0.4.

(4) The first layer includes an air-through nonwoven fabric, the basis weight of the air-through nonwoven fabric is 30 g/ ^m2 or more and 60 g/ ^m2 or less, and the thickness of the fibers constituting the air-through nonwoven fabric is 4.0 dtex or more and 6.0 dtex. The second layer and the third layer are each a composite nonwoven fabric containing a pulp fiber web in a spunbond nonwoven fabric, and the pulp fiber web included has a basis weight of 35 g/m ² or more. (1) Auxiliary absorbent article.

(5) The above-mentioned ( 1) Auxiliary absorbent article.

(6) The length of the slit is 50% or more and 70% or less of the length of the auxiliary absorbent article, and the width of the slit is 10% or more and 20% or less of the width of the auxiliary absorbent article. , the auxiliary absorbent article of (5) above.

According to the present invention, a low-cost auxiliary absorbent article that can appropriately prevent leakage of loose stool is provided.

FIG. 2 is a plan view schematically showing a configuration in which the auxiliary absorbent article according to the present embodiment is arranged in a tape-fastened absorbent article. 2 is a schematic cross-sectional view taken along the line X1-X1 shown in FIG. 1. FIG. FIG. 1 is a diagram schematically showing an auxiliary absorbent article according to the present embodiment. (a) is a plan view schematically showing the auxiliary absorbent article according to the present embodiment, and (b) is a schematic cross-sectional view taken along the X2-X2 cutting line shown in (a). FIG. 3B is an enlarged sectional view of FIG. 3(b) schematically showing the auxiliary absorbent article according to the present embodiment. FIG. 4 is an enlarged sectional view of FIG. 3(b) schematically showing the auxiliary absorbent article according to the present embodiment, showing a state in which side leakage of loose stool is prevented. It is a figure which shows typically the auxiliary|assistant absorbent article based on the modification of this embodiment. (a) is a plan view schematically showing an auxiliary absorbent article according to a modification of the present embodiment, and (b) is a schematic cross-sectional view taken along the line X3-X3 shown in (a).

In this specification, wearing an absorbent article refers to a state in which the absorbent article is worn on the body, regardless of whether before or after absorbing body fluids. In an absorbent article, the length direction is the direction indicated by Y in the figure, extending from the front and back of the wearer's crotch area when the absorbent article is worn on the body, and the width direction is the length direction. The thickness direction is the direction indicated by Z in the figure, in which the respective constituent members or elements are laminated. The skin-side surface is the surface that comes into contact with or faces the wearer's skin when the absorbent article is worn, and the non-skin-side surface is the surface that comes into contact with or faces the wearer's clothing. It is the surface. Body fluids refer to fluids discharged from the body, such as urine, blood, and water in loose stools.

<Tape-fastened absorbent article>
Hereinafter, the tape-fastened absorbent article 50 and the auxiliary absorbent article 40 of this embodiment will be described with reference to the drawings. Note that these drawings do not define the shapes, dimensions, size relationships, etc. of each constituent absorbent article member in the tape-fastened absorbent article 50 and the auxiliary absorbent article 40.

FIG. 1 is a plan view schematically showing a configuration in which an auxiliary absorbent article according to the present embodiment is arranged in a tape-fastened absorbent article. FIG. 2 is a schematic cross-sectional view taken along the line X1-X1 shown in FIG.
As shown in FIG. 1, the absorbent article 50 of the present embodiment is a tape-fastened absorbent article 50, and includes a front body 60 that mainly contacts the wearer's lower abdomen and a front body 60 that mainly contacts the wearer's groin region. This tape-fastened absorbent article (outer) 50 is composed of an exterior body 91 in which a crotch part 70 that contacts and a back body 80 that mainly contacts the buttocks of the wearer are connected in this order in the length direction. On the skin-side surface of the exterior body 91, an absorbent member 90 is disposed around the crotch region 70 and across the front body 60 and the back body 80 so as to cover the wearer's crotch region from the front and back of the body, and further on the skin-side surface, An auxiliary absorbent article (inner pad) 40, which will be described later, has a substantially rectangular shape elongated in the length direction when viewed from above. A pair of three-dimensional gathers 100 are arranged on both widthwise sides of the skin-side surface of the exterior body 91, extending in the length direction from the front body part 60 to the back body part 80 via the crotch part 70. Further, the tape-fastened absorbent article 50 of this embodiment has a length of 700 mm or more and 1100 mm or less, and a maximum width of 700 mm or more and 1500 mm or less. These dimensions correspond to the S, M, and L product sizes of the tape-fixed absorbent article 50. The absorbent article 50 is not limited to the tape-fastened type absorbent article 50, but may be a pants-type absorbent article. In addition, in FIG. 1, the position where the three-dimensional gathers 100 are arranged is indicated by the reference numeral 100.

Further, the tape-fastened absorbent article 50 has a pair of side flaps 62 extending outward from both ends in the width direction of the back body 80, and is fixed to a middle part in the width direction of the side flaps 62, and A pair of fastening tapes 64 are arranged at the side panel 63 which is divided into two, and a pair of fastening tapes 64 are arranged at the tabs of the side panel 63. A target tape (not shown) is provided in a band shape and to which the fastening tape 64 is fixed when the tape-fastened absorbent article 50 is worn. In the present embodiment, the outer shape of the tape-fastened absorbent article 50 is configured by an integrated exterior body 91 extending from the front body 60 to the back body 80 via the crotch part 70, but the outer shape is not limited to this. The tape-fastened absorbent article 50 may be configured such that the waist 60 and the back body 80 are separate bodies and are connected and integrated by an absorbent member 90. In addition, the tape-fastened absorbent article 50 of the present embodiment has ends at both ends in the length direction of the pair of three-dimensional gathers 100 on both sides in the width direction in order to improve fixation of the three-dimensional gathers 100 to the absorbent member 90. A seal portion (not shown) may be provided.

The widthwise dimension of the front body 60 is, for example, in the range of 380 mm or more and 790 mm or less, the widthwise dimension (maximum width dimension) of the back body 80 is, for example, in the range of 300 mm or more and 500 mm or less, and the widthwise dimension of the crotch part 70 is, for example, in the range of 300 mm or more and 500 mm or less. The dimensions range, for example, from 250 mm to 320 mm, or from 270 mm to 310 mm. By adjusting the dimensions of the front body part 60, crotch part 70, and back body part 80 within the above-mentioned ranges, a tape-fastened type absorbent article 50 in which the absorbent member 90 and the auxiliary absorbent article 40 can be properly arranged can be obtained. can get.

Hereinafter, each component such as the front body 60, the crotch part 70, the back body 80, the side flaps 62, the target tape, and the absorbent member 90 will be explained in more detail using FIGS. 1 and 2.

<Front body, crotch area, and back body>
The front body 60 and the back body 80 are formed at the front end (ventral end) and rear end (dorsal end) of the absorbent member 90, respectively, from an exterior body material containing nonwoven fabric or the like. . Further, the crotch section 70 is interposed between the front body section 60 and the back body section 80, and is similarly formed of an exterior body material including nonwoven fabric or the like.

The front body part 60, the crotch part 70, and the back body part 80 each include an exterior nonwoven fabric sheet (not shown) located on the wearer's non-skin side, and a back sheet film (not shown) located on the wearer's skin side. Equipped with. The exterior body material consisting of the exterior nonwoven fabric sheet and the backsheet film is placed along the longitudinal center line of the absorbent member 90 and the auxiliary absorbent article 40 so that the absorbent member 90 and the auxiliary absorbent article 40 are on the inside (skin side). The crotch part 70 is folded in half, and both side edges of the lower abdomen and buttocks are connected. Thereby, the exterior nonwoven fabric sheet forms an elastic waist opening and a pair of leg openings, and the tape-fastened absorbent article 50 is configured as a whole into a removable pants-like shape. When the tape-fastened absorbent article 50 is worn, the front body 60 covers the waist of the wearer on the ventral side, and the back body 80 covers the waist of the wearer on the back.

For example, a back sheet film is laminated on the inside of the exterior nonwoven fabric sheet to increase the strength of the front body 60, the back body 80, and the crotch portion 70. For the exterior nonwoven fabric sheet, a nonwoven fabric containing fibers made of thermoplastic resin such as polypropylene, polyester, polyethylene, etc. can be used. Specific examples of the nonwoven fabric include thermal bond nonwoven fabric, air-through nonwoven fabric, spunbond nonwoven fabric, and the like. Among these, air-through nonwoven fabrics, spunbond nonwoven fabrics, and the like are preferred. The basis weight of the nonwoven fabric is, for example, in the range of 15 g/m ² or more and 40 g/m ² or less. As the back sheet film, a resin film can be used without particular limitation, and examples thereof include polyethylene film and the like. The basis weight of the backsheet film is, for example, 10 g/m ² or more and 40 g/m ² or less.

<Side flap and target tape>
The tape-fastened absorbent article 50 of the present embodiment has a pair of side flaps 62 formed at both ends in the width direction of the lower abdomen and buttocks of the backsheet film, and a pair of side flaps 62 formed in the width direction of the lower abdomen and buttocks of the back sheet film, and A side panel 63 provided at the widthwise end portion of the free end side, which is the outer end portion of the side panel 63; It has a two-pronged fastening tape 64.

The tape-fastened absorbent article 50 also includes an embodiment without side flaps 62, side panels 63, and fastening tapes 64. Further, the side panel 63 and the fastening tape 64 may be formed of separate members or may be formed integrally. Further, in this embodiment, the two fastening tapes 64 on one side panel 63 may be provided apart from each other in the length direction of the tape-fastened absorbent article 50. The fastening tapes 64 are provided with a fastening means made of a hook member constituting a hook-and-loop fastener for fastening the lower abdomen and the dorsal side on the skin side surface, and the tip of the outer end in the width direction of each fastening tape 64 The handle may be provided with a two-pronged knob. The side panel 63 may be provided with perforations 66 that allow it to be divided. On the other hand, a target tape formed of a loop member constituting a hook-and-loop fastener may be provided on the clothing-side surface of the lower abdomen.

When the wearer wears the tape-fastened absorbent article 50, each fastening tape 64 is fixed to a target tape made of a loop member. However, the present invention is not limited to this, and the tape-fastened absorbent article 50 may be formed by connecting the front body 60 and the back body 80 at the widthwise ends at the waist portion and integrating them into a pants shape. Further, it is possible to provide a perforation 66 at or near the center of the side panel 63 in the longitudinal direction so that the side panel 63 can be cut and divided by hand. As a result, the tab portion can be divided into long sections from the perforation 66, and the engagement position can be selected more freely. Depending on the body shape, it is possible to create tension that brings the tape-fastened absorbent article 50 into proper contact with the wearer's body when worn.

Note that the base material of the side flaps 62 includes nonwoven fabrics made of polyethylene, polypropylene, polystyrene, etc., and these base materials may be used alone or in combination. Further, as the base material of the side panel 63 and the fastening tape 64, resin films and nonwoven fabrics made of polyethylene, polypropylene, polystyrene, etc. may be used, and these base materials may be used alone or in combination. In addition, the hook member refers to a member consisting of hook-like protrusions among the members constituting the hook-and-loop fastener, and the loop member refers to a member that forms a pair with the hook member, and is a member that is made of raised fibers densely arranged in a loop shape. Refers to a member. The hook-and-loop fastener is composed of a pair of hook member and loop member. In the tape-fastened absorbent article 50, for example, with the back body 80 placed against the buttocks and back of the wearer, the front body 60 is brought to the abdominal side of the wearer, and the fastening tape 64 is fastened to the target tape. That way, you can wear it. Further, the perforations 66 can be provided by making cuts at equal intervals approximately in the center of the side panel 63 in the length direction.

<3D gathers>
For example, the three-dimensional gathers 100 are arranged to absorb body fluids excreted by the wearer of the tape-fastened absorbent article 50 along the length direction of the absorbent member 90 near both ends of the absorbent member 90 in the width direction. It is fixed to the skin side surface of member 90. The three-dimensional gathers 100 includes an elastic elastic member 100a and a water-repellent and/or waterproof sheet member 100b.

<End seal part>
An end seal portion can be provided near the longitudinal ends of the skin-side surface of the tape-fastened absorbent article 50, more specifically at each end (four corners) of the pair of three-dimensional gathers 100. The end seal portion fixes the three-dimensional gathers 100 to each skin-side surface of the absorbent member 90, for example. The end seal portion is made of, for example, hot melt adhesive. Examples of the shape of the end seal portion in plan view include a square (square), a circle, a triangle, a hexagon, and the like.

<Absorbing member>
Absorbent member 90 includes a topsheet 94 , a backsheet 92 , and an absorbent body 93 held between topsheet 94 and backsheet 92 . The absorbent member 90 also has a front body 60 and a back body 80 centered around the crotch region 70 on the skin side surface of the exterior body 91 of the tape-fastened absorbent article 50 so as to cover the wearer's crotch region from the front and back of the body. It will be placed over the following period.

<Top sheet>
The top sheet 94 is a liquid-permeable sheet-like base material that allows body fluids to quickly pass through toward the absorbent body. Since the top sheet 94 may come into contact with the wearer's skin, it is preferable to use a base material that is soft to the touch and does not irritate the skin. Examples of the base material include hydrophilic sheets, composite nonwoven fabrics that are laminates of the same or different types of hydrophilic sheets, open films such as open polyethylene films, and foamed films such as polyethylene foam and urethane foam. Hydrophilic sheets include, for example, air-through nonwoven fabrics, thermal bond nonwoven fabrics, spunlace nonwoven fabrics made using synthetic fibers made of synthetic resins such as polypropylene and polyethylene, recycled fibers such as rayon, natural fibers such as cotton, etc. Examples include spunbond nonwoven fabrics.

The surface of the top sheet 94 may be embossed or perforated in order to improve liquid permeability. The top sheet 94 may contain one or more of a lotion, an antioxidant, an anti-inflammatory component, a pH adjuster, an antibacterial agent, a humectant, and the like, from the viewpoint of reducing skin irritation. The basis weight of the top sheet 94 is, for example, in the range of 15 g/m ² or more and 40 g/m ^{2 or} less from the viewpoint of strength, workability, and liquid return amount. The shape of the top sheet 94 is not particularly limited, and may be any shape that covers part or all of the absorbent body as required to guide body fluids to the absorbent body to prevent leakage.

<Absorber>
The absorbent body 93 is arranged between a top sheet 94 located on the skin side and a back sheet 92 located on the non-skin side, and absorbs and retains body fluids that have passed through the top sheet 94. The absorbent body 93 of this embodiment is mainly supported on the skin-side surface of the crotch portion 70 of the exterior body 91, extends to the skin-side surface of the back body 80, and extends to the skin-side surface of the front body 60. It's okay. In this embodiment, the region extending to the back body 80 of the absorbent core 93 has a maximum width of 300 mm or more and 600 mm or less, a longitudinal length of 180 mm or more and 375 mm or less, and an area of 380 cm ² or more and 1000 cm or more. ² or less.

The lengthwise dimension (maximum length) of the absorber 93 is, for example, in the range of 100 mm or more and 800 mm or less, 150 mm or more and 500 mm or less, or 270 mm or more and 500 mm or less. The widthwise dimension (maximum width) of the absorber 93 is, for example, in the range of 50 mm or more and 500 mm or less, 60 mm or more and 400 mm or less, or 70 mm or more and 105 mm or less. In addition, when the absorbent body 93 has an hourglass shape in plan view, the length direction dimension is in the range of 180 mm or more and 800 mm or less, and the width direction dimension of the ventral part and the dorsal part that contact the wearer's abdomen and back, respectively. are both in the range of 60 mm or more and 400 mm or less, and the widthwise dimension of the crotch portion that contacts the wearer's crotch region is in the range of 90 mm or more and 250 mm or less. Embossing may be applied to the entire surface or a portion of the absorbent body 93. Examples of the shape of the absorber 93 in plan view include an hourglass shape, an I-shape, a rectangle, a rounded quadrilateral with four rounded corners, an ellipse, and the like. The absorbent body 93 may be a laminate of an upper absorbent body disposed on the upper layer (skin side) and a lower absorbent body disposed on the lower layer (non-skin side).

The absorbent body 93 contains, for example, absorbent fibers and a super absorbent polymer (hereinafter also referred to as "SAP") as an absorbent base material.

<Absorbent fiber>
Absorbent fibers are not particularly limited as long as they are generally used in absorbent articles such as sanitary napkins, disposable diapers, and urine absorbing pads, and include, for example, fluff pulp (hereinafter simply referred to as "fluff"), cotton, and rayon. , acetate, tissue, absorbent paper, hydrophilic nonwoven fabric, etc. Among these, fluff pulp is preferred from the viewpoint of absorbency. Examples of the fluff pulp include wood pulp (for example, softwood bleached kraft pulp (N-BKP) such as southern pine and Douglas fir), synthetic fibers, resin fibers, and flocculent defibrated products such as non-wood pulp. When fluff pulp is used as the absorbent fiber in the absorbent body, the basis weight of the absorbent fiber is, for example, in the range of 100 g/m ² or more and 800 g/m ² or less, or in the range of 325 g/m ² or more and 615 g/m ² or less. . This allows it to absorb more body fluids without sacrificing texture.

<Super absorbent polymer>
There are no particular restrictions on the superabsorbent polymer as long as it can absorb body fluids and prevent backflow, such as polyacrylates, polyaspartates, (starch-acrylic acid) graft copolymers, (acrylic acid) Examples include acid-vinyl alcohol) copolymers, (isobutylene-maleic anhydride) copolymers, and saponified products thereof. Among these, from the viewpoint of absorption amount per weight, polyacrylates are preferred, polyacrylic acid alkali metal salts are more preferred, and sodium polyacrylate is even more preferred. One type of superabsorbent polymer can be used alone or two or more types can be used in combination.

The superabsorbent polymer is used, for example, in the form of particles, fibers, etc., but is preferably used in the form of particles from the viewpoint of ease of handling. At this time, by avoiding the use of a finely powdered superabsorbent polymer with poor fluidity as a powder and using a superabsorbent polymer with a medium particle size, the basic performance regarding absorption can be improved, and the absorber 93 It is possible to reduce the rough feel caused by hardness. The median particle size of the superabsorbent polymer is, for example, in the range of 50 μm or more and 600 μm or less, or in the range of 100 μm or more and 500 μm or less.

The basis weight of SAP in the absorber 93 is, for example, in a range of 60 g/m ² or more and 450 g/m ² or less, or in a range of 245 g/m ² or more and 445 g/m ² or less. By setting the basis weight of the SAP within the above numerical range, gel blocking in the absorber 93 can be prevented and the absorber 93 can absorb a large amount of body fluid. In addition, in the absorbent body 93, the ratio of the weight of the superabsorbent polymer to the weight of the entire absorbent body, which is the weight of the superabsorbent polymer/the weight of the entire absorbent body 93 x 100 (%), is, for example, 15% by weight. The content is in the above range, or in the range of 15% by weight or more and 70% by weight or less.

In the absorbent body 93, the form of the absorbent fibers and SAP may be formed by mixing SAP particles into absorbent fibers, or may be a SAP sheet in which SAP particles are fixed between absorbent fibers.

<Back sheet>
The backsheet 92 may be formed using a liquid-impermeable base material that prevents bodily fluids held by the absorbent body 93 from wetting clothing, and examples of the base material include, for example, a resin film, a resin film, etc. Examples include composite sheets that are laminates of non-woven fabrics and non-woven fabrics. The manufacturing method of the nonwoven fabric used in the composite sheet is not particularly limited, and examples include single-layer nonwoven fabrics such as spunbond nonwoven fabrics, meltblown nonwoven fabrics, spunbond nonwoven fabrics/meltblown nonwoven fabric laminates, and spunbond nonwoven fabrics/meltblown nonwoven fabrics/spunbond nonwoven fabric laminates. Composite nonwoven fabrics such as bodies, composite materials thereof, and the like can be mentioned. Examples of the resin film include polyester, polyvinyl alcohol, polyethylene, polypropylene, and a composite film of polyethylene and polypropylene.

The basis weight of the back sheet 92 is, for example, in the range of 15 g/m ² or more and 60 g/m ^{2 or} less in terms of strength and workability. Further, in order to prevent stuffiness when worn, it is preferable that the back sheet 92 has breathability. In order to provide the backsheet 92 with air permeability, for example, a filler may be added to the resin film of the base material, or the backsheet 92 may be embossed. In addition, calcium carbonate can be mentioned as a filler, and its compounding method can be carried out by any known method without restriction.

<Method for manufacturing absorbent member>
The absorbent member 90 can be manufactured by a known manufacturing method, but for example, the process of arranging the absorber 93 between the top sheet 94 and the back sheet 92 and aligning the edges of the top sheet 94 and the back sheet 92 can be performed. Examples of manufacturing methods include a step of fixing part or the entire circumference using a hot melt adhesive, heat embossing, ultrasonic embossing, high frequency embossing, etc. Leg gathers, waist gathers, side flaps, etc. can be provided as necessary.

<Method for manufacturing tape-fastened absorbent article>
There are no particular restrictions on the method for manufacturing the tape-fastened absorbent article 50, and conventionally known methods can be employed. A step of preparing a backsheet film, a step of arranging an absorbent member 90 on the skin-side surface of the outer body material including an outer nonwoven fabric sheet and a backsheet film, and a step of further arranging three-dimensional gathers 100, and a step of disposing the three-dimensional gathers 100, Examples include a manufacturing method including a step of connecting the target tape and the fastening tape 64 of the back body 80. The fastening tape 64 may be made by adhering a fastening means to the base material surface of the side panel 63 in advance, cutting it into a predetermined shape to form the side panel 63, and joining this to the side flap 62.

Next, the auxiliary absorbent article 40 will be explained in detail using FIGS. 3 to 5.
FIG. 3 is a diagram schematically showing the auxiliary absorbent article according to this embodiment. (a) is a plan view schematically showing the auxiliary absorbent article according to the present embodiment, and (b) is a schematic cross-sectional view taken along the X2-X2 cutting line shown in (a). FIG. 4 is an enlarged sectional view of FIG. 3(b) schematically showing the auxiliary absorbent article according to the present embodiment. FIG. 5 is an enlarged sectional view of FIG. 3(b) schematically showing the auxiliary absorbent article according to the present embodiment, showing a state in which side leakage of loose stool is prevented.

<Auxiliary absorbent article>
The auxiliary absorbent article 40 is used together with the tape-attached absorbent article 50, and is attached to the skin-side surface of the absorbent member 90 disposed on the skin-side surface of the exterior body 91 of the tape-attached absorbent article 50. It is something that will be placed. For example, the auxiliary absorbent article 40 is attached by being stored inside the three-dimensional gathers 100 on the skin-side surface of the absorbent member 90 of the tape-fastened absorbent article 50. Further, the auxiliary absorbent article 40 can be attached to the tape-fastened absorbent article 50 only when necessary, such as when the stool is soft.

As shown in FIGS. 3 to 5, the auxiliary absorbent article 40 has a substantially rectangular shape elongated in the length direction when viewed from above, and the dimension L (maximum length) in the length direction is 450 mm or more and 650 mm or less. The dimension A (maximum width) in the width direction is 150 mm or more and 230 mm or less. For example, when the auxiliary absorbent article 40 is placed on the tape-fastened absorbent article 50, the size is such that it does not protrude from the absorbent member 90 in plan view and falls within the range of the absorbent member 90. The auxiliary absorbent article 40 covers the first layer 10 and the first layer 10 in the length direction, and is fixed by folding back the end portion 20E so that a part of the skin-side surface of the first layer 10 is opened OP1. The second layer 20 has a first folded-back portion 22, and the second layer 20 is covered in the length direction, and the end portion 30E is folded back so that a part of the skin-side surface of the first layer 10 is opened OP2. and a third layer 30 having a fixed second folded portion 33. Further, the total width B of the first folded portion 22 is larger than the total width C of the second folded portion 33.

<First layer>
The first layer 10 is made of nonwoven fabric and has a substantially rectangular shape elongated in the length direction when viewed from above. As the nonwoven fabric of the first layer 10 of this embodiment, an air-through nonwoven fabric that can easily obtain bulkiness is used. The basis weight of this air-through nonwoven fabric is 30 g/m ² or more and 60 g/m ² or less, and the thickness of the fibers constituting the air-through nonwoven fabric is 4.0 dtex or more and 6.0 dtex or less. In this way, by adjusting the basis weight of the air-through nonwoven fabric of the first layer 10 and the thickness of the fibers constituting the air-through nonwoven fabric within the above numerical range, a nonwoven fabric with high fiber fineness can ensure the solid content of soft stool. It is possible to hold the

<Second layer>
The second layer 20 is made of nonwoven fabric and has a substantially rectangular shape that is long in the length direction when viewed from above.
The second layer 20 covers the non-skin side surface 10C of the first layer 10 and both ends 10B, 10B in the width direction of the first layer 10 over the entire length of the first layer 10 in the length direction, and A part of the skin-side surface 10A of the layer 10 is covered over the entire length of the first layer 10 in the longitudinal direction.
The second layer 20 covers both sides of the first layer 10 in the width direction so that an opening OP1 is formed at the center C in the width direction of the first layer 10 on the skin side surface 10A of the first layer 10. Then, both ends 20E, 20E of the second layer 20 are folded back to form an opening OP1, and are stacked on the second layer 20 covering both sides of the first layer 10 in the width direction. It covers both sides of the layer 10 in the width direction. That is, both sides of the first layer 10 in the width direction are connected to the lower second layer covering both sides of the first layer 10 in the width direction, and both ends 20E, 20E of the second layer 20 are connected to the opening OP1. The first folded portion 22 is double-covered by the first folded portion 22 formed by the upper second layer covering the lower second layer.
As described above, the second layer 20 covers the first layer 10 in a folded state by the first folded part 22, so the total area of the second layer 20 is larger than that of the first layer 10. There is.

The second layer 20, which double covers both sides of the first layer 10 in the width direction, uses a hot melt adhesive between the second layers 20, that is, between the lower second layer and the upper second layer. Fixed by HM.
As shown in FIG. 3(a), the hot melt adhesive HM is provided at both ends of the second layer 20 in the length direction. More specifically, between the lower second layer and the upper second layer on the right side in the width direction, a rear end (dorsal end) and a front end (ventral end) in the length direction of the second layer 20 are provided. They are provided at two locations (on the side edges). In addition, between the lower second layer and the upper second layer on the left side in the width direction, a rear end (dorsal end) and a front end (ventral end) in the length direction of the second layer 20 are provided. It is located in two locations.
The second layer has an adhesive part (not shown) between the lower second layer and the skin-side surface 10A of the first layer 10, but as shown in FIG. It is deformable to the upper side (skin side) so that soft stool can be held between it and the second layer on the side.

As the nonwoven fabric of the second layer 20 of this embodiment, a composite nonwoven fabric including a spunbond nonwoven fabric and a pulp fiber web is used. The basis weight of the pulp fiber web contained in this composite nonwoven fabric is 35 g/m ² or more.
In addition, in this embodiment, the second layer 20 covers the entire length of the first layer 10 in the longitudinal direction, but it does not have to cover the entire length.

<Composite nonwoven fabric>
By using a spunbond nonwoven fabric, the composite nonwoven fabric has excellent support for the pulp fiber web, as well as the overall strength, softness, and texture of the composite nonwoven fabric. From this point of view, the spunbond nonwoven fabric is made of at least one material selected from the group consisting of polyamide (such as nylon (trade name)), vinylon, polyester, acrylic resin, polyethylene, polypropylene, and polystyrene. Two synthetic resins can be preferably used. For example, the spunbond nonwoven fabric may be made of synthetic resin fibers made of these materials, or may be made of two or more types of synthetic resin fibers.

The basis weight of the spunbond nonwoven fabric is preferably in the range of 7 g/m ² or more and 20 g/m ² or less. More preferably, this lower limit is 10 g/m ² or more. Further, this upper limit is more preferably 17 g/m ² or less. The basis weight of the pulp fiber web is preferably in the range of 30 g/m ² or more and 50 g/m ^{2 or} less from the viewpoint of uniformity, feel, absorbency, etc. This lower limit is more preferably 35 g/m ² or more. Further, this upper limit is more preferably 45 g/m ² or less. By setting the basis weights of the spunbond nonwoven fabric and the pulp fiber web within such ranges, it becomes easy to adjust the basis weight of the composite nonwoven fabric to an appropriate range.

Since the pulp fiber web has good body fluid absorbency, it can, for example, quickly diffuse the body fluid that has locally passed through the spunbond nonwoven fabric, and can easily diffuse the body fluid over the entire area of the second layer 20.
Further, as the pulp fiber web, a nonwoven fabric mainly composed of pulp fibers can be used without particular limitation. The pulp fiber is not particularly limited, but bleached kraft pulp (N-BKP) of coniferous trees such as radiata pine, slash pine, southern pine, lodgepole pine, spruce, and Douglas fir is preferred. N-BKP may be used alone or in combination of two or more.

<3rd layer>
The third layer 30 is made of nonwoven fabric and has a substantially rectangular shape that is long in the length direction when viewed from above.
The third layer 30 covers the non-skin side surface 20C of the second layer 20 and both ends 20B, 20B in the width direction of the second layer 20 over the entire length of the second layer 20 in the length direction, and A part of the skin-side surface 20A of the layer 20 is covered over the entire length of the second layer 20 in the length direction.
Therefore, in this embodiment, the lengths of the first layer 10, the second layer 20, and the third layer 30 are all equal.
The third layer 30 has an opening OP2 at the skin-side surface 20A of the upper second layer of the second layer 20, with an opening OP2 centered at the center C in the width direction of the second layer 20. Both ends 30E, 30E of the third layer 30 are folded back to form an opening OP2, and the third layer 30 covers both sides of the second layer 20 in the width direction. It is stacked on the layer 30 and covers both sides of the upper second layer of the second layer 20 in the width direction.
In other words, both sides of the second layer 20 in the width direction include a lower third layer covering both sides of the upper second layer of the second layer 20 in the width direction, and both ends 30E, 30E of the third layer 30. is folded back to form an opening OP2, and is doubly covered by a second folded portion 33 formed by the upper third layer covering the lower third layer.
Since the third layer 30 covers the second layer 20 in a folded state by the second folding part 33 as described above, the total area of the third layer 30 is larger than that of the first layer 10. There is.

The third layer 30, which double covers both sides of the upper second layer of the second layer 20 in the width direction, is formed between the third layers 30, that is, between the lower third layer and the upper third layer. is fixed with hot melt adhesive HM.
As shown in FIG. 3(a), the hot melt adhesive HM is provided at both ends of the third layer 30 in the length direction. More specifically, between the lower third layer and the upper third layer on the right side in the width direction, a rear end (dorsal end) and a front end (ventral end) in the length direction of the third layer 30 are provided. It is provided in two places: the side end) and the side end. Further, between the lower third layer and the upper third layer on the left side in the width direction, a rear end (dorsal end) and a front end (ventral end) in the length direction of the third layer 30 are provided. It is located in two locations.
The third layer 30 has a bonded portion (not shown) between the lower third layer and the upper second layer of the second layer 20, but as shown in FIG. It is deformable to the upper side (skin side) so that soft stool can be held between the upper second layer and the skin side surface of the upper second layer.

As the nonwoven fabric of the third layer 30 of this embodiment, a composite nonwoven fabric including a spunbond nonwoven fabric and a pulp fiber web, similar to the second layer 20, is used. The basis weight of the pulp fiber web included in this composite nonwoven fabric is 35 g/m ² or more, similar to the second layer 20.
In addition, in this embodiment, the third layer 30 covers the entire length of the second layer 20 in the longitudinal direction, but it does not have to cover the entire length.

<Width of the first folded part and width of the second folded part>
As shown in FIGS. 3(b) and 4, the first folded part 22 described above includes a first folded part 22 on the left side in the width direction of the opening OP1 and a first folded part 22 on the right side in the width direction of the opening OP1. have The width B1 of the first folded portion 22 on the left side in the width direction is equal to the width B2 of the first folded portion 22 on the right side in the width direction.
The width B1 of the first folded portion 22 on the left side in the width direction is the width of the first folded end portion 22C on the opening OP1 side of the first folded portion 22 on the left side in the width direction, and the end portion 10B of the first layer 10 on the left side in the width direction. Indicates the dimensions between. Further, the width B2 of the first folded portion 22 on the right side in the width direction is the width of the first folded end portion 22C on the opening OP1 side of the first folded portion 22 on the right side in the width direction, and the right end portion 10B of the first layer 10 in the width direction. Indicates the dimensions between.

As shown in FIGS. 3(b) and 4, the second folded part 33 described above includes a second folded part 33 on the left side in the width direction of the opening OP2 and a second folded part 33 on the right side in the width direction of the opening OP2. have The width C1 of the second folded portion 33 on the left side in the width direction is equal to the width C2 of the second folded portion 33 on the right side in the width direction.
The width C1 of the second folded portion 33 on the left side in the width direction is the width of the second folded end portion 33C on the opening OP2 side of the second folded portion 33 on the left side in the width direction, and the end portion 10B of the first layer 10 on the left side in the width direction. Indicates the dimensions between. Further, the width C2 of the second folded portion 33 on the right side in the width direction is the width of the second folded end portion 33C on the opening OP2 side of the second folded portion 33 on the right side in the width direction, and the right end portion 10B of the first layer 10 in the width direction. Indicates the dimensions between.

The centers C in the width direction of the opening OP1 and the opening OP2 are the same, and the dimension between the center C and the first folded end 22C on the opening OP1 side of the first folded part 22 on the left side in the width direction is the same as the center C in the width direction. The dimensions between the first folded portion 22 on the right side in the width direction and the first folded end portion 22C on the opening OP1 side are equal. Also, the dimension between the center C and the second folded end 33C on the opening OP2 side of the second folded part 33 on the left side in the width direction, and the dimension between the center C and the second folded end 33C on the opening OP2 side of the second folded part 33 on the right side in the width direction. The dimensions between the two folded ends 33C are equal.

In the auxiliary absorbent article 40 of this embodiment, the total B of the widths B1 and B2 of the first folded portion 22 is larger than the total C of the widths C1 and C2 of the second folded portion 33. Further, the width A of the first layer 10, the total width B of the width B1 of the first folded part 22 on the left side in the width direction, and the width B2 of the first folded part 22 on the right side in the width direction in the second layer 20, The ratio of the total width C of the width C1 of the second folded part 33 on the left side in the width direction and the width C2 of the second folded part 33 on the right side in the width direction in the layer 30 is 1:0.6 to 0.7:0. It is 3 to 0.4.

In the auxiliary absorbent article 40 of this embodiment, as shown in FIG. Since it is held between the portions 22, side leakage of loose stool can be prevented. Furthermore, as shown in FIG. 5, the second folded part 33 deforms upward (towards the skin) and becomes a barrier, and the excreted soft stool is held between the first folded part 22 and the second folded part 33. This further prevents loose stool from leaking sideways. In this way, the auxiliary absorbent article 40 of this embodiment can reliably prevent soft stool from leaking sideways due to the double barrier of the first folded part 22 and the second folded part 33. As a result, excreted soft stool does not leak from the auxiliary absorbent article 40.

In the auxiliary absorbent article 40 of this embodiment, the first folded part 22 of the second layer 20 and the second folded part 33 of the third layer 30 are double barriers, but a plurality of layers are further provided, and a plurality of It can also be used as a barrier. For example, the fourth layer is made of a nonwoven fabric having a substantially rectangular shape long in the length direction when viewed from above, and the fourth layer covers the non-skin side surface of the third layer 30 and both ends of the third layer 30 in the width direction. may be covered over the entire length of the third layer 30 in the length direction, and a part of the skin-side surface of the third layer 30 may be covered over the entire length of the third layer 30 in the length direction. In this case, the fourth layer has an upper third layer on the upper third layer of the third layer 30 so as to have an opening at the center C in the width direction of the third layer 30 on the skin-side surface of the upper third layer of the third layer 30. Both ends of the fourth layer are folded back to form an opening, and are stacked on top of the third layer 30 covering both sides of the third layer 30 in the width direction. Both sides of the upper third layer of the three layers 30 in the width direction are covered. That is, both sides of the third layer 30 in the width direction form an opening between the lower fourth layer that covers both sides of the upper third layer of the third layer 30 in the width direction, and both ends of the fourth layer. It may be folded back in this manner so that it is doubly covered by a third folded portion formed by the upper fourth layer covering the lower fourth layer. In this case, the dimensions between the center C and the third folded end on the opening side of the third folded part are equal on the left and right sides, as described above.
Thereby, side leakage of loose stool can be further reliably prevented by the triple barrier of the first folded part 22, the second folded part 33, and the third folded part.

As described above, the auxiliary absorbent article 40 of the present embodiment includes the first layer 10, the second layer 20 having the above-mentioned first folded part 22, and the third layer 30 having the above-mentioned second folded part 33. , and the total B of the widths B1 and B2 of the first folded portion 22 is larger than the total C of the widths C1 and C2 of the second folded portion 33. In other words, the width of the opening OP2 formed by the third layer 30 is larger than the width of the opening OP1 formed by the second layer 20.
Therefore, the excreted soft stool easily enters the large opening OP2 of the second folded part 33, and after reaching the small opening OP1 of the first folded part 22, it is received by the first folded part 22 and the second folded part 33. This ensures that loose stools do not leak sideways. Note that the water contained in loose stool, etc. is quickly guided downward (to the non-skin side) and absorbed by the absorbent member 90 of the tape-fastened absorbent article 50 used together.
In this way, since the auxiliary absorbent article 40 is thin and has a structure specialized for absorbing soft stool, by utilizing the absorption capacity of the tape-fastened absorbent article 50 used together, it is possible to appropriately prevent the leakage of loose stool. A low cost supplemental absorbent article 40 can be provided.

In the auxiliary absorbent article 40 of the present embodiment, the openings OP1 and OP2 are provided on the skin-side surface 10A of the widthwise central portion of the first layer 10, and the first folded part 22 and the second folded part 33 are provided. , are provided on both sides of the openings OP1 and OP2 in the width direction.
Therefore, the soft stool that has entered through the openings OP1 and OP2 can be held evenly in the first folded portion 22 and the second folded portion 33 in the width direction. This prevents loose stools from being unevenly distributed and reliably prevents leakage of loose stools. Furthermore, even if the auxiliary absorbent article 40 is placed slightly offset in the width direction with respect to the tape-fastened absorbent article 50, loose stools will not be caught on the upper side (skin side) of the third layer 30, and the opening will be ensured. Since the soft stool can be introduced into the auxiliary absorbent article 40 from OP1 and OP2, leakage of loose stool can be further reliably prevented.

The auxiliary absorbent article 40 of the present embodiment has a width B that is the sum of the width A of the first layer 10, the widths B1 and B2 of the first folded part 22, and the sum of the widths C1 and C2 of the second folded part 33. The ratio with the width C is 1:0.6 to 0.7:0.3 to 0.4.
By adjusting this ratio within the above range, the excreted soft stool is received by the first folded part 22 and the second folded part 33, and side leakage of loose stool can be more reliably prevented.

In the auxiliary absorbent article 40 of the present embodiment, the first layer 10 includes an air-through nonwoven fabric, the basis weight of the air-through nonwoven fabric is 30 g/m ² or more and 60 g/m ² or less, and the thickness of the fibers constituting the air-through nonwoven fabric is 4 The second layer 20 and the third layer 30 are each a composite nonwoven fabric containing a pulp fiber web in a spunbond nonwoven fabric, and the basis weight of the pulp fiber web included is 35 g/m It is ² or more.
Therefore, by adjusting the basis weight of the air-through nonwoven fabric of the first layer 10 and the thickness of the fibers constituting the air-through nonwoven fabric within the above-mentioned numerical ranges, the air-through nonwoven fabric with high fiber fineness of the first layer 10, It becomes possible to reliably retain the solid content of excreted soft stool and allow water to permeate downward. In addition, by using spunbond nonwoven fabric in which the basis weight of the pulp fiber web of the second layer 20 and the third layer 30 is adjusted within the above numerical range, it is possible to improve the support for the pulp fiber web and the overall strength of the composite nonwoven fabric. , softness, texture, etc. are excellent.

Next, an auxiliary absorbent article 40 according to a modification of this embodiment will be described using FIG. 6. FIG. 6 is a diagram schematically showing an auxiliary absorbent article according to a modification of this embodiment. (a) is a plan view schematically showing an auxiliary absorbent article according to a modification of the present embodiment, and (b) is a schematic cross-sectional view taken along the line X3-X3 shown in (a).
The same members as those in the previous embodiment are given the same reference numerals, and portions that are different from the previous embodiment will be described.
In addition, in the modification of this embodiment, similarly to the previous embodiment, the lower second layer and the upper second layer are fixed by the hot melt adhesive HM, and the lower third layer and the upper third layer are fixed. Although the space between the two is fixed by a hot melt adhesive HM, illustration thereof is omitted.

A slit 25 that penetrates the second layer 20 is provided at the center portion in the width direction and the center portion in the length direction of the non-skin side surface 20C of the second layer 20 that covers the non-skin side surface 10C of the first layer 10. It is being
The slit 25 is formed between the first folded end 22C of the first folded part 22 on the left side in the width direction and the first folded end 22C of the first folded part 22 on the right side in the width direction, that is, the width of the opening OP1 in plan view. This is a through hole provided so that the width D of the slit 25 falls within the range of the direction.
The slit 25 is an elongated length in a plan view in which the lengthwise ends thereof extend from the center in the lengthwise direction of the second layer 20 to the front side (ventral side) and the rear side (dorsal side) by the same dimension. It has a circular shape. The front end (ventral end) and rear end (dorsal end) of the slit 25 are formed in a round curved shape without corners. The slit 25 has the same dimensions as the widthwise center of the second layer 20 and the left end of the slit 25 in the width direction, and the same dimensions as the widthwise center of the second layer 20 and the right end of the slit 25 in the width direction.
The length l of the slit 25 is 50% or more and 70% or less of the length L of the auxiliary absorbent article 40, and the width D of the slit 25 is 10% or more of the width A of the auxiliary absorbent article 40. It is 20% or less.

As described above, in the modified example of the present embodiment, since the above-mentioned slit 25 is provided, the slit 25 prevents soft stool from being contained in the lower layer, that is, the absorbent member 90 disposed on the exterior body 91 of the tape-fastened absorbent article 50. can promote the attraction of moisture. Further, by adjusting the length l and width D of the slit 25 within the above numerical range, it is possible to further promote the drawing of water contained in loose stools and the like. Note that the water contained in loose stool, etc. is quickly guided downward (to the non-skin side) and absorbed by the absorbent member 90 of the tape-fastened absorbent article 50 used together.
In this way, since the auxiliary absorbent article 40 is thin and has a structure specialized for receiving soft stool, leakage of loose stool can be appropriately prevented by utilizing the absorption capacity of the tape-fastened absorbent article 50 used together. A low cost auxiliary absorbent article 40 can be provided. Furthermore, by setting the time for replacement after defecation when the absorbent capacity of the tape-fixed absorbent article 50 has been used up, the economy of replacement can be increased, and the auxiliary absorbent article 40 can be easily replaced because it is thin and wide. can.

Although the present invention has been described above using the embodiments, it goes without saying that the technical scope of the present invention is not limited to the scope described in the above embodiments. It will be apparent to those skilled in the art that various changes or improvements can be made to the embodiments described above. Furthermore, it is clear from the claims that forms with such changes or improvements may also be included within the technical scope of the present invention.

10 First layer 20 Second layer 20E End 22 First folded part 25 Slit 30 Third layer 30E End 33 Second folded part 40 Auxiliary absorbent article 50 Tape-fastened absorbent article 60 Front body 62 Side flap 63 Side Panel 64 Fastening tape 66 Perforation 70 Crotch 80 Back body 90 Absorbent member 91 Exterior body 92 Back sheet 93 Absorbent body 94 Top sheet 100 Three-dimensional gathers A Width of the first layer B Total width of the first folded part C Second fold Total width of parts OP1, OP2 Opening

Claims (6)

An auxiliary absorbent article attached to an absorbent article, the article comprising:
The length is 450 mm or more and 650 mm or less, and the width is 150 mm or more and 230 mm or less,
a first layer;
a second layer having a first folded part that covers the first layer in the length direction and whose end part is folded back and fixed so as to open a part of the skin-side surface of the first layer;
a third layer that covers the second layer in the length direction and has a second folded part whose end is folded back and fixed so as to open a part of the skin-side surface of the first layer. ,
The auxiliary absorbent article, wherein the total width of the first folded portion is greater than the total width of the second folded portion. The opening is provided on the skin-side surface of the central portion in the width direction of the first layer, and the first folded portion and the second folded portion are provided on both sides of the opening in the width direction, respectively. 1. The auxiliary absorbent article according to item 1. The ratio of the width of the first layer, the total width of the first folded portion, and the total width of the second folded portion is 1:0.6 to 0.7:0.3 to 0.4. The auxiliary absorbent article according to claim 1 or 2. The first layer includes an air-through nonwoven fabric, the basis weight of the air-through nonwoven fabric is 30 g/m ² or more and 60 g/m ² or less, and the thickness of the fibers constituting the air-through nonwoven fabric is 4.0 dtex or more and 6.0 dtex or less. ,
The second layer and the third layer are each a composite nonwoven fabric containing a pulp fiber web in a spunbond nonwoven fabric, and the pulp fiber web included has a basis weight of 35 g/m ² or more, according to claim 1. auxiliary absorbent articles. According to claim 1, a slit passing through the second layer is provided in a central portion in the width direction and in a central portion in the length direction of the second layer that covers the non-skin side surface of the first layer. auxiliary absorbent articles. Claim: The length of the slit is 50% or more and 70% or less of the length of the auxiliary absorbent article, and the width of the slit is 10% or more and 20% or less of the width of the auxiliary absorbent article. 5. The auxiliary absorbent article according to 5.