Absorbent article

Abstract

Absorbent article. The present invention relates to an absorbent article with an insect-repellent aroma composition containing at least one fragrance selected from group (a); boiling point of 200 to 220°C and at least one aroma selected from group (b); boiling point of 150°C or higher and lower than 200°C; and a percentage by weight of group (a) greater than that of group (b) in the component. Group a: citronellal, menthol, α-terpineol, linalyl acetate, isopulegol, ethyl linalool, terpinyl acetate, geranyl formate, menthone, borneol and camphor.grupo b: mentano, canfeno, tetra-hidrolinalol, di-hidromircenol, ocimenol, ocimeno, mirceno, a-pineno, ß-pineno, a-felandreno, a-terpineno, ¿-terpineno, terpinoleno, 3-careno, 1-heptanol, 2-heptanol, 3-heptanol, 1-octanol, 2-octanol, 3-octanol, 2-nonanol, 3,5,5-trimetil-1-hexanol, cis-3-hexenol, trans-2-hexenol, 2, 4-hexadieno-1-ol, 1-octeno-3-ol, 2,6-nonadienol, tetra-hidromugol, 4-tujanol, n-heptanal, n-octanal, , mentofurano, 1,8-cineol, 1,4-cineol, 2,2,6-trimethyl-6-vinyltetra-hidropirano, cis-3-hexenil formiato, prenil acetato, hexil acetato, cis-3-hexenil acetato, trans-2-hexenil acetato, heptil acetato, hexil propionato, cis-3-hexenil butirato, cis-3-hexenil isobutirato, ethyl 2-methylpentanoato, ethylheptanoato e allyl hexanoato.

Description

1 / 41 ABSORBENT ARTICLE Technical field

[001] The present invention relates to an absorbent article. Background of the Technique

[002] Absorbent articles that are placed on a body and include an absorbent core to absorb a liquid are well known. A disposable diaper is an example of such an absorbent article.

[003] Some of these absorbent articles include an insect-repellent fragrance composition. List of citations Patent literature

[004] Patent Document 1

[005] Publication of Japanese Patent Application No. H3-285993 Summary of the invention Technical problem

[006] With conventional absorbent articles, there have been cases where the fragrance volatilizes (disperses) immediately, which is not suitable for maintaining the insect-repellent effect. On the other hand, suppressing the initial volatilization (dispersion) of the fragrance in order to improve the sustainability of the insect-repellent effect causes a problem of not being able to demonstrate the insect-repellent fragrance to the user (i.e., giving the user an expectation of such an effect).

[007] The present invention was achieved in light of conventional problems, such as those described above, and one aspect of the present invention is to ensure the sustainability of the insect repellent effect while giving the user an expectation of the insect repellent effect.

[008] A key aspect of the present invention to achieve Petition 870260067913, dated 09 / 07 / 2026, page 5 / 108 2 / 41 The above-described aspect is an absorbent article comprising: an insect-repellent fragrance composition comprising at least one type of fragrance having a boiling point greater than or equal to 200 °C and less than or equal to 220 °C selected from a group A below and at least one type of fragrance having a boiling point greater than or equal to 150 °C and less than 200 °C selected from a group B below, a weight proportion of the fragrance from group A being greater than a weight proportion of the fragrance from group B in the insect-repellent fragrance composition,

[009] Group A: citronellal, menthol, α-terpineol, linalyl acetate, isopulegol, ethyl linalool, terpinyl acetate, geranyl formate, menthone, borneol and camphor, Grupo B: mentano, canfeno, tetra-hidrolinalol, dihidromircenol, ocimenol, ocimeno, mirceno, α-pineno, β-pineno, αferrandreno, α-terpineno, γ-terpineno, terpinoleno, 3-careno, 1-heptanol, 2-heptanol , 3-heptanol, 1-octanol, 2-octanol, 3-octanol, 2-nonanol, 3,5,5-trimethyl-1-hexanol, cis-3-hexenol, trans-2-hexenol, 2,4-hexadiene 1-ol, 1-octen-3-ol, 2,6-nonadienol, tetrahydromugol, 4-thujanol, nheptanal, n-octanal, 3,5,5-trimethylhexanal, cis-3-hexenal, 2,4 hexadienal, 2,6-nonadienal, heptanal dimethyl acetal, octanal dimethyl acetal, citral dimethyl acetal, 2-heptanone, 2-octanone, 3-octanone, 2nonanone, 3-nonanone, methylheptenone, fencon, acetylfuran, linalool oxide, menthofuran, 1,8-cineole, 1,4-cineole, 2,2,6-trimethyl-6-vinyltetrahydropyran, cis-3-hexenyl formate, prenyl acetate, hexyl acetate, cis3-hexenyl acetate, trans-2-hexenyl acetate, heptyl acetate, hexyl propionate, cis-3-hexenyl butyrate, cis-3-hexenyl isobutyrate, ethyl 2methylvalerate, ethyl heptanoate and allyl hexanoate.

[0010] The characteristics of the present invention differ from Petition 870260067913, dated 09 / 07 / 2026, page 6 / 108 3 / 41 above will become clear upon reading the description of this specification with reference to the attached drawings. Advantageous Effects of the Invention

[0011] According to the present invention, it is possible to ensure the sustainability of the insect repellent effect while giving the user an expectation of the insect repellent effect. Brief description of the drawings

[0012] Figure 1 is a plan view of an unfolded state of a diaper 1 according to the present embodiment.

[0013] Figures 2A to 2C are exploded illustrative views of portions of the diaper 1 according to the present embodiment. Figure 2A is an exploded illustrative view of a front portion 3. Figure 2B is an exploded illustrative view of a crotch portion 5. Figure 2C is an exploded illustrative view of a back portion 7.

[0014] Figure 3 is an enlarged view of a surface on the skinless side of a strip-type sheet 33.

[0015] Figure 4 is a schematic diagram showing 50 insect repellent microcapsules supplied on the skinless side of the strip-type leaf 33.

[0016] Figure 5 is a diagram showing a particle size distribution of the insect repellent microcapsules 50 according to the present embodiment.

[0017] Figure 6A is a table showing fragrances in group A that can be applied to diapers1.

[0018] Figure 6B is a table showing fragrances in group B that can be applied to diapers1.

[0019] Figure 6C is a table showing the fragrances in the group B that can be applied to diaper 1.

[0020] Figure 6D is a table showing fragrances in group C that can be applied to diaper 1 and fragrances that cannot. Petition 870260067913, dated 09 / 07 / 2026, page 7 / 108 4 / 41 can be applied.

[0021] Figure 7 is a schematic diagram showing insect repellent microcapsules 50 provided on the skinless side of a nonwoven fabric sheet 60 according to a variation.

[0022] Figure 8 is a diagram showing a portion of one side of 140 fastening tape according to another aspect, as seen from the skinless side.

[0023] Figure 9 is an electron micrograph of a region that includes damaged DC capsules and damage-free NC capsules in a coated portion. Description of the modalities

[0024] At least the following matters will become clear from the description in this specification and the attached drawings.

[0025] An absorbent article comprising: an insect-repellent fragrance composition comprising at least one type of fragrance having a boiling point greater than or equal to 200°C and less than or equal to 220°C selected from a group A below and at least one type of fragrance having a boiling point greater than or equal to 150°C and less than 200°C selected from a group B below, a weight proportion of the fragrance from group A being greater than a weight proportion of the fragrance from group B in the insect-repellent fragrance composition,

[0026] Group A: citronellal, menthol, α-terpineol, linalyl acetate, isopulegol, ethyl linalool, terpinyl acetate, geranyl formate, menthone, borneol and camphor, group B: menthane, camphene, tetrahydrolinalool, dihydromyrcenol, ocimenol, ocimene, myrcene, α-pinene, β-pinene, αPetition 870260067913, dated 09 / 07 / 2026, page 8 / 108 5 / 41 phellandrene, α-terpinene, γ-terpinene, terpinolene, 3-carene, 1-heptanol, 2-heptanol, 3-heptanol, 1-octanol, 2-octanol, 3-octanol, 2-nonanol, 3,5,5-trimethyl-1-hexanol, cis-3-hexenol, trans-2-hexenol, 2, 4-hexadiene1-ol, 1-octene-3-ol, 2,6-nonadienol, tetra-hydromugol, 4-tujanol, nheptanal, n-octanal, 3,5,5-trimethylhexanal, cis-3-hexenal, 2,4hexadienal, 2,6-nonadienal, dimethyl heptanal acetal, octanal dimethyl acetal, citral dimethyl acetal, 2-heptanone, 2-octanone, 3-octanone, 2nonanone, 3-nonanone, methylheptenone, fencon, acetylfuran, linalool oxide, menthofuran, 1,8-cineole, 1,4-cineole, 2,2,6-trimethyl-6-vinyltetrahydropyran, cis-3-hexenyl formate, prenyl acetate, hexyl acetate, cis-3-hexenyl acetate, trans-2-hexenyl acetate, heptyl acetate, hexyl propionate, cis-3-hexenyl butyrate, cis-3-hexenyl isobutyrate, ethyl 2-methylvalerate, ethylheptanoate and allyl hexanoate.

[0027] According to this absorbent article, it is possible to guarantee the sustainability of the insect repellent effect while giving the user an expectation of the insect repellent effect. Furthermore, in terms of allergic reaction, it is possible to give the user a sense of peace of mind.

[0028] In such an absorbent article, it is desirable that the insect-repellent fragrance composition include at least one type of fragrance with a boiling point greater than 220°C and less than or equal to 270°C selected from group C,

[0029] Group C: isobornyl acetate, p-menthane-3,8-diol, 2-(tert-butyl)cyclohexyl acetate, dihydroterpinyl acetate, nerol, 4-tert-butylcyclohexyl acetate, citronellyl acetate, neryl acetate, geranyl acetate, ethyl linalyl acetate, tricyclodecenyl acetate, bornyl acetate, β-caryophyllene, cisjasmon, L-carvone, nopyr acetate, pulegone and allyl octaanoate.

[0030] According to this absorbing article, it is possible to reinforce the sustainability of the insect repellent effect.

[0031] In such an absorbent article, it is desirable that Petition 870260067913, dated 09 / 07 / 2026, page 9 / 108 6 / 41 the absorbent article also includes a heat-fusible adhesive.

[0032] According to this absorbent article, it is possible to prevent peeling of the absorbent article and the like, and it is possible to adequately maintain the performance of the absorbent article.

[0033] In such an absorbent article, it is desirable that the insect-repellent fragrance composition does not contain any of the following: limonene, phenylacetaldehyde, methyl salicylate, thymol, methyl isoeugenol, coumarin, β-phenylethyl alcohol, cymene, eugenol, carvacrol, phenylethyl acetate, safrole, benzyl acetate, styryl acetate, anisyl acetate, cinnamyl acetate, cumin aldehyde, diphenyl oxide, and cinnamyl formate.

[0034] According to this absorbent article, it is possible to prevent peeling of the absorbent article and the like, and it is possible to adequately maintain the performance of the absorbent article.

[0035] In such an absorbent article, it is desirable that the composition of the insect-repellent fragrance does not contain any of the following 26 types of fragrances: α-Isomethyl Ionone, amyl cinnamaldehyde, amyl cinnamyl alcohol, anis alcohol, benzyl alcohol, benzyl benzoate, benzyl cinnamate, benzyl salicylate, butylenyl methylpropional, cinnamaldehyde, cinnamaldehyde, citral, citronellol, coumarin, eugenol, farnesol, geraniol, hexyl cinnamal, hydroxycitronellal, hydroxyisohexyl 3-cyclohexene carboxaldehyde, isoeugenol, limonene, linalool, methyl 2-octinate, Evernia prunastri extract and Evernia furfuracea extract.

[0036] According to this absorbent article, in terms of allergic reaction, it is possible to give the user a sense of peace of mind.

[0037] In such an absorbent article, it is desirable that the composition of the insect repellent fragrance includes only synthetic fragrances. Petition 870260067913, dated 09 / 07 / 2026, page 10 / 108 7 / 41

[0038] According to this absorbent article, it is possible to appropriately avoid the inclusion of substances (e.g., allergens and substances that inhibit a heat-fusible adhesive) that are not desired to be included in the composition of insect repellent fragrance.

[0039] In such an absorbent article, it is desirable that the absorbent article further comprise a containment member containing the insect-repellent fragrance composition.

[0040] According to this absorbent article, it is possible to reinforce the sustainability of the insect-repellent effect.

[0041] In such an absorbent article, it is desirable that the absorbent article be configured to be placed on a body, the absorbent article further comprising a hydrophobic nonwoven fabric sheet and an insect-repellent microcapsule, the insect-repellent microcapsule being disposed on a skin-free side of the nonwoven fabric sheet, the insect-repellent microcapsule including the insect-repellent fragrance composition and the containment member, and the insect-repellent microcapsule being incorporated within the nonwoven fabric sheet in a state of not reaching the surface of the skin side of the nonwoven fabric sheet.

[0042] According to this absorbent article, it is possible to reduce the possibility of insect repellent microcapsules coming into contact with the user's skin.

[0043] In such an absorbent article, it is desirable that the insect-repellent microcapsules include an insect-repellent microcapsule that discharges the insect-repellent fragrance from the containment limb when subjected to a pressure P, and an insect-repellent microcapsule that does not release the Petition 870260067913, dated 09 / 07 / 2026, page 11 / 108 8 / 41 Insect repellent fragrance from the restraining device, even when subjected to a pressure of 2P, which is twice the pressure of P.

[0044] According to this absorbent article, the amount of insect repellent fragrance that is discharged can be adjusted by the user according to the risk of insect bites.

[0045] In such an absorbent article, it is desirable that the absorbent article further comprises a coated portion that is coated with a plurality of insect-repellent microcapsules, the plurality of insect-repellent microcapsules, each including the insect-repellent fragrance composition and the containment member, when the absorbent article has been removed from a packaging material, the insect-repellent microcapsules include a damaged capsule and an undamaged capsule, the damaged capsule being an insect-repellent microcapsule that is damaged, the undamaged capsule being an insect-repellent microcapsule that is not damaged.

[0046] According to this absorbent article, the user or user can recognize the effect of the insect-repellent fragrance discharged from the damaged capsule when removing the absorbent article from the packaging material and is likely to recognize the effect of the insect-repellent fragrance composition during use due to the breakage of undamaged capsules before or during use.

[0047] In such an absorbent article, it is desirable that the coated portion include a processing mark portion in which the number of damaged capsules per unit area is greater than the number of undamaged capsules per unit area. Petition 870260067913, dated 09 / 07 / 2026, p. 12 / 108 9 / 41

[0048] According to this absorbent article, the processing mark portion makes it possible to more reliably supply damaged capsules and undamaged capsules in the absorbent article. Therefore, the effect of the insect repellent fragrance composition is likely to be recognized before and during use.

[0049] In such an absorbent article, it is desirable that the coated portion include a non-processing mark portion, the non-processing mark portion being a portion in which the number of undamaged capsules per unit area is greater than the number of damaged capsules per unit area when the absorbent article was removed from the packaging material, and the non-processing mark portion has a larger area than the processing mark portion.

[0050] According to this absorbent article, the effect of the insect-repellent fragrance composition can still be displayed during use by the user or similar, damaging damage-free capsules, for example, according to the desired extent of the insect-repellent fragrance effect.

[0051] In such an absorbent article, it is desirable that when the absorbent article was removed from the packaging material, at least a portion of the absorbent article was folded into a fold line portion, the processing mark portion is the fold line portion, and at least a portion of the damaged capsule is provided in the fold line portion.

[0052] According to this absorbent article, the damaged capsule is likely to be formed by bending pressure and therefore, the Petition 870260067913, dated 09 / 07 / 2026, p. 13 / 108 10 / 41 portion of the processing mark can be easily formed during manufacturing. Consequently, the effect of the insect-repellent fragrance composition is likely to be displayed more reliably while contained within the packaging material.

[0053] In such an absorbent article, it is desirable that when the absorbent article is in an unfolded state, at least a portion of the damaged capsules is provided in an outer end portion of the absorbent article.

[0054] According to this absorbent article, the damaged capsules are likely formed by impact during a cutting step to form the outer end portion of the absorbent article provided with the coated portion. Consequently, the effect of the insect-repellent fragrance composition is likely to be more reliably displayed while contained within the packaging material.

[0055] In such an absorbent article, it is desirable that the absorbent article further comprise a portion of fastening tape, and the coated portion is provided on the fastening tape portion.

[0056] According to this absorbent article, the fastening tape portion is a portion that has a high probability of being gripped by a hand, particularly when the absorbent article is placed, and therefore damaged capsules are likely to be formed more reliably when the absorbent article is placed. Consequently, the effect of the insect-repellent fragrance composition is likely to be exhibited in the placed state.

[0057] In such an absorbent article, it is desirable that at least a portion of the damaged capsules is provided on a front end portion of the fastening tape portion.

[0058] According to this absorbent article, damaged capsules Petition 870260067913, dated 09 / 07 / 2026, p. 14 / 108 11 / 41 are likely formed by impact during a cutting step performed during the formation of the fastening tape portion. Consequently, the effect of the insect-repellent fragrance composition is likely to be more reliably displayed while contained within the packaging material.

[0059] In such an absorbent article, it is desirable that when the absorbent article has been removed from the packaging material, the portion of the fastening tape has been folded along a fold line of the tape with a skin-side surface of the fastening tape portion being on the inside, the fold line of the tape extending in a vertical direction, the fastening tape portion has a compressed portion to maintain a folded state, and at least a portion of the damaged capsules is provided in the compressed portion.

[0060] According to this absorbent article, damaged capsules are likely formed by pressure to create compressed portions. Consequently, the effect of the insect-repellent fragrance composition is likely to be more reliably displayed while contained within the packaging material.

[0061] Overview of the disposable diaper modality A disposable diaper (corresponding to an absorbent article) of the present embodiment is a tape-type (open-type) disposable diaper (hereinafter also simply referred to as diaper 1).

[0062] Figure 1 is a plan view of an unfolded state of diaper 1 (i.e., the state in which diaper 1 has been stretched to eliminate wrinkles) according to the present embodiment. Embodiments 2A to 2C are exploded illustrative views of portions of diaper 1 according to the present embodiment. Figure 2A is an exploded illustrative view of Petition 870260067913, dated 09 / 07 / 2026, p. 15 / 108 12 / 41 a front portion 3. Figure 2B is an exploded illustrative view of a crotch portion 5. Figure 2C is an exploded illustrative view of a rear portion 7.

[0063] As shown in figure 1, the diaper 1 of the present embodiment includes a front portion 3, a crotch portion 5 and a back portion 7. The front portion 3 is a portion (waist portion) that is located on the front portion of the user (stomach side). In addition, the back portion 7 is a portion (waist portion) that is located on the back portion of the user (back portion). The crotch portion 5 is a portion that is located between the front portion 3 and the back portion 7.

[0064] As shown in Figure 1, the directions used in the following description are defined as follows. The direction from the front portion 3 towards the back portion 7 is a longitudinal direction of the product L, and the direction intersecting the longitudinal direction of the product L is a width direction of the product W. A line CL shown in Figure 1 indicates the center of the diaper 1 in the longitudinal direction L of the product (center of the diaper CL). Furthermore, as shown in Figure 2, the direction intersecting the longitudinal direction of the product L and the width direction of the product W is the thickness direction, the side facing the user's skin (the side that is close to the user's skin when the diaper 1 is placed on a human body (corresponding to a body)) is the skin side, and the opposite side (the side that is away from the user's skin when the diaper 1 is placed on the human body) is the skin-free side.

[0065] Diaper 1 includes an absorbent body 21, a top sheet 22, a leak-proof sheet 23, a back sheet 24, a skin-side sheet 26, a waistband gag film 28, portions of fastening tape 30 and target tape 29. These members are joined to adjacent members using a hot-melt adhesive.

[0066] The absorbent body 21 is for absorbing a liquid. Petition 870260067913, dated 09 / 07 / 2026, page 16 / 108 13 / 41 Specifically, the absorbent body 21 is a member (absorbent core) consisting of a stack of liquid absorbent materials that can absorb excrement, such as urine, and is arranged extending over the frontal portion 3, the interleg portion 5, and the rear portion 7. The shaded region shown in Figure 1 is the region occupied by the absorbent body 21.

[0067] The absorbent body 21 of the present embodiment has an hourglass shape, with a width that is shorter in the central portion in the longitudinal direction of the product L. Note that the shape of the absorbent body 21 is not limited to the shape shown in Figure 1, and may have a simple rectangular shape. Furthermore, it is sufficient that the absorbent body 21 be provided at least in the interleg portion 5.

[0068] The absorbent body 21 is enclosed by a core sheath 25 which is made of a liquid-permeable sheet (non-woven fabric sheet) and is sandwiched between the top sheet 22 and the leak-proof sheet 23 in the thickness direction. The liquid-absorbing material forming the absorbent body 21 may be made of liquid-absorbing fibers, such as pulp fibers, and a particulate liquid-absorbing material, such as a superabsorbent polymer. It may also contain a liquid-absorbing material other than liquid-absorbing fibers and liquid-absorbing particles.

[0069] The upper sheet 22 is a fluid-permeable member disposed on the skin side of the absorbent body 21.

[0070] The leak-proof sheet 23 is a liquid-impermeable member disposed on the skinless side of the absorbent body 21.

[0071] The back sheet 24 is a member (outer sheet) that forms the exterior of the skin-free side of the diaper 1 and is made of non-woven fabric, for example. The back sheet 24 is positioned on the skin-free side of the leak-proof sheet 23 (see figures 2A to 2C). Petition 870260067913, dated 09 / 07 / 2026, p. 17 / 108 14 / 41

[0072] In addition, a flap portion 14 is provided on each of the two lateral portions of the back portion 7 in the direction of the product width W of the diaper 1. The flap portions 14 are mainly constituted by the skin-side sheet 26 and the back sheet 24 (see figure 2C). The skin-side sheet 26 is a skin-side member that extends over the front portion 3, the crotch portion 5 and the back portion 7, and is constituted of non-woven fabric, for example. The skin-side sheet 26 is a member that constitutes lateral leg folds described later 16 (corresponding to barrier cuffs) and the outer portions of the skin-side sheet 26 constitute the flap portions 14.

[0073] Furthermore, the end edge portions that form the leg openings of the diaper 1 are provided with a pair of leg pleats 15 that can stretch and contract in the longitudinal direction of the product L (stretchable leg portions) and extend along the longitudinal direction of the product L. In the present embodiment, the leg pleats 15 are constituted by elastic cords provided between the skin-side sheet 26 and the back sheet 24, and the elastic cords give extensibility to the skin-side sheet 26 and back sheet 24. Furthermore, these elastic cords extend from the front portion 3 to the back portion 7 in the longitudinal direction of the product L. Note that the leg pleats 15 are not limited to being constituted by elastic cords and may be constituted by a stretchable sheet (film), for example.

[0074] In addition, a pair of lateral leg folds 16 that stretch and contract in the longitudinal direction of product L are provided extending along the longitudinal direction of product L in positions inward to the lateral leg folds 15 in the direction of the width of product W. The lateral leg folds 16 are to prevent leakage of liquid from the gaps around the user's legs and Petition 870260067913, dated 09 / 07 / 2026, page 18 / 108 15 / 41 are mainly composed of inner portions of the leaf on the skin side 26.

[0075] The lateral folds of the leg 16 (leaf portions on the skin side 26) are joined at end junction portions 17 located on the two end portions in the longitudinal direction of the product L (rectangular portions in Figure 1). Furthermore, in the portion between the pair of end junction portions 17 (hereinafter referred to as the main body portion 18 for convenience), only the outer portions in the width direction of the product W are joined (hereinafter referred to as main body junction portions 18a). For this reason, the main body portion 18 has the shape of a pouch surrounded by the pair of end junction portions 17 and main body junction portions 18a, and rises from the main body junction portions 18a. Note that the stretchable members (elastic cords 19 in the present embodiment) are provided in an inner portion of the main body portion 18 in the direction of the width of the product W and therefore the inner portion has extensibility.Thus, the lateral folds of leg 16 are formed by the end junction portions 17 and the main body part 18 and, in the same way as the folds of leg 15, are provided extending from the front portion 3 to the back portion 7 in the longitudinal product direction L.

[0076] Furthermore, in the rear portion 7, a waistband pleat 28 is disposed between the absorbent body 21 and the back sheet 24 (see figure 2C). The waistband pleat 28 is a band-shaped member that extends and contracts along the width direction of the product W. The waistband pleat 28 gives extensibility to the back sheet 24 and similar parts, thus forming a pleat at the waist. The waistband pleat 28 has a longer length in the width direction of the product W than the absorbent body 21. For this reason, the waistband pleat projects outwards. Petition 870260067913, dated 09 / 07 / 2026, page 19 / 108 16 / 41 of the absorbent body 21 in the direction of the product width W.

[0077] The pair of fastening tape portions 30 each includes a rectangular strip-type sheet 33 which is made of hydrophobic nonwoven fabric without yarn and a velcro fastener 35.

[0078] The inner portions (substantially inner halves in the present embodiment) in the longitudinal direction (in the direction of the width of the product W) of the fastening tape portions 30 (strip-type sheets 33) serve as fastening portions 32. The fastening tape portions 30 are fastened to the tab portions 14 of the back portion 7 by the fastening portion 32. In the present embodiment, the fastening tape portions 30 are fastened because portions of the fastening tape portions 30 are sandwiched between the skin-side sheet 26 and the back sheet 24 that form the tab portions 14 (see figure 2C).

[0079] Furthermore, the outer portions (substantially outer halves in the present embodiment) in the longitudinal direction (product in the width direction W) of the fastening tape portions 30 (strip-type sheets 33) serve as attachment portions 31. The diaper 1 can be placed on the user by attaching the attachment portions 31 with the target tape 29 described later.

[0080] More specifically, the engagement portions 31 of the fastening tape portions 30 (strip-type sheets 33) are provided with the velcro fasteners 35 and the engagement portions 31 are engaged with the target tape 29 due to the velcro fasteners 35 being attached to the target tape 29.

[0081] Note that the Velcro fasteners 35 are attached to the skin-side surfaces of the strip-type sheets 33. Furthermore, instead of the Velcro fasteners 35 being attached to the entirety of the outer portions (attachment portions 31) of the strip-type sheets 33, the outer portions (attachment portions 31) have portions where the Velcro fasteners 35 are not provided. In the present embodiment, in the outer portions (attachment portions 31), inner portions, which are located within Petition 870260067913, dated 09 / 07 / 2026, page 20 / 108 17 / 41 of the velcro fasteners 35 in the longitudinal direction of the strip-type sheets 33, and external portions, which are located outside of the same, are the portions without velcro 31a, where the fasteners with velcro 35 are not supplied.

[0082] Furthermore, the outermost ends of the fastening tape portions 30 (strip-type sheets 33, hook portions 31) are wavy portions 31b that have a wave-like shape. The wavy portions 31b are cut edges formed when the strip-type sheets 33 are cut to form the fastening tape portions 30. Note that the wavy portions 31b are also portions of the non-velcro fastener portions 31a.

[0083] Target tape 29 is arranged on the skinless side of the back sheet in the front portion 3 (see figure 2A). Target tape 29 is a member that can engage with the fastening tape portions 30 and is formed from non-woven fabric, for example. Furthermore, as shown in figure 1, target tape 29 of the present embodiment is a rectangular member that is elongated in the direction of the width of product W. Insect repellent microcapsules 50

[0084] Diaper 1 of the present embodiment is provided with insect-repellent microcapsules 50. The insect-repellent microcapsules 50 consist of a membrane (corresponding to a containment member) containing an insect-repellent fragrance (in the present embodiment, an insect-repellent fragrance composition composed of various types of fragrances) that has an insect-repellent effect (insect control effect, repellent effect). In other words, the insect-repellent microcapsules 50 include an insect-repellent fragrance (insect-repellent fragrance composition) and a membrane that contains (retains) the insect-repellent fragrance (insect-repellent fragrance composition). Petition 870260067913, dated 09 / 07 / 2026, page 21 / 108 18 / 41

[0085] The insect-repellent microcapsules 50 are configured so that when the user touches the diaper 1 and grasps the diaper 1 to place the diaper 1 on a human body, for example, the membranes rupture (become damaged) due to pressure (impact, friction), and the insect-repellent fragrance composition within is discharged. The insect-repellent effect is displayed when the insect-repellent fragrance composition is discharged. In other words, the insect-repellent microcapsules 50 are impact-rupture microcapsules containing an insect-repellent fragrance composition.

[0086] The membrane of the present embodiment is made of urethane resin, but there is no limitation to this, and the membrane only needs to have a predetermined strength so as to rupture when subjected to the pressure described above (impact, friction). Other examples of materials include gelatin, gelatin / gum arabic, melamine resin, and urea / formalin resin. These resins can be used alone, or two or more types of resin can be used together.

[0087] Furthermore, the insect-repellent microcapsules 50 of the present embodiment are prepared (microcapsulized) by so-called interfacial polymerization, but there is no limitation to this, and various methods can be used. Examples include a phase separation method (a coacervation method), a liquid hardening coating method (an orifice method), a pan coating method, a spray drying method, a liquid drying method (interfacial precipitation method), an interfacial inorganic reaction method (an inorganic wall microcapsule), an in situ polymerization method, and an ultrasonic method.

[0088] Please note that the composition of the insect repellent fragrance will be described in detail later. Petition 870260067913, dated 09 / 07 / 2026, page 22 / 108 19 / 41

[0089] In the present embodiment, the insect repellent microcapsules 50 are provided on the skinless side of the strip-like sheets 33 (corresponding to hydrophobic non-woven fabric sheets) of the fastening tape portions 30.

[0090] Figure 3 is an enlarged view of the surface of the skinless side of a strip-type 33 sheet. Figure 4 is a schematic diagram showing the insect-repellent microcapsules 50 provided on the skinless side of the strip-type 33 sheet.

[0091] Note that Figure 3 shows nonwoven fabric fibers 34 of strip-type sheet 33 (one nonwoven fabric fiber 34 in the outermost layer (the layer located furthest away on the skinless side) and one nonwoven fabric fiber 34 in the second layer) and many insect repellent microcapsules 50. Furthermore, Figure 4 schematically shows the nonwoven fabric fibers 34 in the aforementioned layers and the insect repellent microcapsules 50. The nonwoven fabric fibers 34 are not actually aligned as regularly as shown in Figure 4, and are shown schematically to make the figure easier to understand.

[0092] As shown in figure 4, the insect repellent microcapsules 50 of the present embodiment are incorporated within the strip-type sheet 33 so as not to reach a surface on the skin side 33a of the strip-type sheet 33. In other words, the insect repellent microcapsules 50 are contained within the strip-type sheet 33, although they also do not reach the surface on the skin side 33a of the strip-type sheet 33.

[0093] For this reason, it is possible to reduce the possibility of the insect repellent microcapsules 50 coming into contact with the user's skin.

[0094] In addition, as shown in figure 4, the insect-repellent microcapsules 50 incorporated within the strip-type leaf 33 are Petition 870260067913, dated 09 / 07 / 2026, page 23 / 108 20 / 41 located in a band from a surface on the skinless side 33b of the strip-type sheet 33 to an intermediate position C in the direction of the thickness of the strip-type sheet 33 (diaper 1), the intermediate position C being a position that is between the surface of the skin side 33a and the surface of the skinless side 33b. In other words, the insect-repellent microcapsules 50 are contained within the strip-type sheet 33, although they also remain in a band less than or equal to a depth T / 2, which is half a thickness T of the strip-type sheet 33 (i.e., although they are also not located deeper than the depth T / 2, which is half the thickness T).

[0095] For this reason, it is possible to further reduce the possibility of the insect repellent microcapsules 50 coming into contact with the user's skin. Furthermore, if the insect repellent microcapsules 50 are embedded too deeply, such insect repellent microcapsules 50 will not be subjected to an appropriate amount of pressure (impact, friction) and therefore the insect repellent fragrance composition is not discharged and the insect repellent effect is not displayed. In the present embodiment, the insect repellent microcapsules 50 remain at or above the average position C (less than or equal to depth T / 2, which is half the thickness T of the strip-type sheet 33) and therefore the insect repellent fragrance composition can be adequately discharged and the insect repellent effect can be effectively displayed.

[0096] Furthermore, in the present embodiment, the volume of the insect-repellent microcapsules 50 incorporated within the strip-type sheets 33 (i.e., the total volume of the insect-repellent microcapsules 50 that remain at or above the median position C) is greater than the volume (total volume) of the insect-repellent microcapsules 50 located above the surface of the skinless side 33b of the strip-type sheet 33 (i.e., located above the non-woven fabric fibers 34 in the Petition 870260067913, dated 09 / 07 / 2026, page 24 / 108 21 / 41 outermost layer). Here, letting the top surface be the surface formed by the tips of the most prominent fibers in the nonwoven fabric fiber layer, within the strip type sheet 33 refers to the inner portion of the top surface.

[0097] If the volume (quantity) of insect repellent microcapsules 50 located above the surface of the skinless side 33b is too large, the insect repellent microcapsules 50 break easily (quite easily) and the insect repellent fragrance composition is discharged immediately, which is not suitable in terms of sustaining the insect repellent effect (the property of sustaining the insect repellent effect of the insect repellent microcapsules 50).In the present embodiment, the volume (total volume) of the insect-repellent microcapsules 50 incorporated within the strip-type sheet 33 is adjusted greater than the volume (total volume) of the insect-repellent microcapsules 50 located above the surface of the skinless side 33b of the strip-type sheet 33 and, therefore, it is possible to avoid the case where the insect-repellent microcapsules 50 break easily (quite easily) and the insect-repellent fragrance composition is discharged immediately and the insect-repellent effect can be adequately sustained.

[0098] Note that in the present embodiment, as shown in figures 3 and 4, the insect-repellent microcapsules 50 are not located above the surface of the skinless side 33b of the strip-type sheet 33 (above the non-woven fabric fibers 34 in the outermost layer). For this reason, the insect-repellent effect can be sustained even more adequately.

[0099] As described above, in the present embodiment, the insect-repellent microcapsules 50 are arranged in appropriate locations in the direction of the thickness of the strip-type leaf 33, thus making it possible to effectively exhibit the insect-repellent effect by Petition 870260067913, dated 09 / 07 / 2026, page 25 / 108 22 / 41 at the same time that it reduces the possibility of the insect repellent microcapsules 50 coming into contact with the user's skin.

[00100] The following describes how the insect repellent microcapsules 50 are arranged in suitable positions as described above in the present embodiment.

[00101] Figure 5 is a diagram showing a particle size distribution of the insect repellent microcapsules 50 according to the present embodiment. As shown in Figure 5 (see Figure 3 also), firstly, the average particle size of the insect repellent microcapsules 50 (in the present embodiment, 5 to 15 μm) is smaller than the average fiber diameter of the strip-type sheet 33 (in the present embodiment, 20 μm as shown by A in Figure 5). If the average particle size of the insect repellent microcapsules 50 is larger than the average fiber diameter of the strip-type sheet 33, it is difficult for the insect repellent microcapsules 50 to become physically incorporated within the strip-type sheet 33, and the insect repellent microcapsules 50 remain on the surface of the skinless side 33b of the strip-type sheet 33 (in the fibers 34 of the nonwoven fabric in the outermost layer).This situation is not adequate in terms of the sustainability of the insect-repellent effect as previously described, but in the present embodiment, the average particle size of the insect-repellent microcapsules 50 is smaller than the average fiber diameter of the strip-type sheet 33 and, therefore, the insect-repellent microcapsules 50 are easily embedded within the strip-type sheet 33 and the insect-repellent effect can be adequately sustained.

[00102] Furthermore, similarly, the volume (total volume) of the insect repellent microcapsules 50 whose particle size is smaller than the average fiber diameter (20 μm) of the strip-type sheet 33 is greater than the volume (total volume) of the repellent microcapsules Petition 870260067913, dated 09 / 07 / 2026, page 26 / 108 23 / 41 of insects 50, whose particle size is larger than the average fiber diameter (see figures 3 and 5). Consequently, similarly, the insect-repellent microcapsules 50 are easily embedded within the strip-type sheet 33, and the insect-repellent effect can be adequately sustained.

[00103] Note that it is also difficult for the insect repellent microcapsules 50 to become embedded within the strip-type sheet 33 if their particle size is too small. Specifically, static electricity is easily generated if the particle size is too small and, due to the static electricity generated, the insect repellent microcapsules 50 cannot move from the top of the surface of the skinless side 33b of the strip-type sheet 33 (the top of the nonwoven fabric fibers 34 in the outermost layer), and continue to remain above the surface of the skinless side 33b (above the nonwoven fabric fibers 34 in the outermost layer). For this reason, in the present embodiment, in order to avoid such a phenomenon, the particle size of the insect repellent microcapsules 50 is greater than or equal to 0.1 μm (preferably greater than or equal to 0.5 μm) (see figure 5, and note that the upper limit value is less than or equal to 50 μm (preferably less than or equal to 30 μm)).

[00104] Furthermore, in the present embodiment, an aqueous dispersion is prepared, containing PVA (polyvinyl alcohol) with an adhesive function and also containing the insect-repellent microcapsules 50 dispersed in water, and the insect-repellent microcapsules 50 are provided in (applied to) the strip-type sheet 33 by applying the aqueous dispersion to the skinless side of the strip-type sheet 33, which is made of hydrophobic nonwoven fabric. Furthermore, the strip-type sheet 33 is a nonwoven fabric sheet that has a relatively high basis weight. For this reason, the aqueous dispersion (insect-repellent microcapsules 50) does not move much into the strip-type sheet 33, and the microcapsules Petition 870260067913, dated 09 / 07 / 2026, page 27 / 108 24 / 41 insect repellents 50 can remain within the depth T / 2, which is half the thickness T of the strip like the sheet 33.

[00105] Note that in the step of applying the aqueous dispersion to the strip-type sheet 33, a hydrophilic agent (0.3%, polyoxyethylene sorbitan monooleate) is added to the aqueous dispersion in order to obtain a uniform application. In addition, in this case, an antifoaming agent (0.2% polyoxyethylene polyoxypropylene glycol (block copolymer)) is also added in accordance with the addition of the hydrophilic agent. Insect repellent fragrance composition

[00106] An insect-repellent fragrance composition includes at least one type of fragrance having a boiling point greater than or equal to 200 °C and less than or equal to 220 °C selected from a group A below and at least one type of fragrance having a boiling point greater than or equal to 150 °C and less than 200 °C selected from a group B below. The weight proportion of the fragrance from group A is greater than the weight proportion of the fragrance from group B in the insect-repellent fragrance composition. Fragrances in group A include: citronellal, menthol, α-terpineol, linalyl acetate, isopulegol, ethyl linalool, terpinyl acetate, geranyl formate, menthone, borneol, and camphor.As fragrâncias do grupo B incluem: mentano, canfeno, tetra-hidrolinalol, di-hidromircenol, ocimenol, ocimeno, mirceno, α-pineno, β-pineno, α-felandreno, α-terpineno, γterpineno, terpinoleno, 3-careno, 1-heptanol, 2-heptanol, 3-heptanol, 1octanol, 2-octanol, 3-octanol, 2-nonanol, 3,5,5-trimetil-1-hexanol, cis-3hexenol, trans-2-hexenol, 2,4-hexadieno-1-ol, 1-octeno-3-ol, 2,6nonadienol, tetra-hidromugol, 4-tujanol, n-heptanal, n-octanal, 3,5,5trimethylhexanal, cis-3-hexenal, 2,4-hexadienal, 2,6-nonadienal, heptanal dimethyl acetal, octanal dimethyl acetal, citral dimethyl acetal, 2-heptanona, 2-octanona, 3-octanona, 2-nonanona, 3-nonanona, methylheptenona, fencon, acetylfurano, linalol oxidase, mentofurano, 1,8-cineol, 1,4-cineol,. Petition 870260067913, of 09 / 07 / 2026, p. 28 / 108 25 / 41 2,2,6-trimethyl-6-vinyltetrahydropyran, cis-3-hexenyl formate, prenyl acetate, hexyl acetate, cis-3-hexenyl acetate, trans-2-hexenyl acetate, heptyl acetate, hexyl propionate, cis-3-hexenyl butyrate, cis-3-hexenyl isobutyrate, ethyl 2-methylvalerate, ethylheptanoate, and allyl hexanoate. Note that, in addition to the aforementioned fragrances, the insect repellent fragrance composition includes a solvent (e.g., isopropyl myristate).

[00107] The following are the reasons for this. If the composition of the insect repellent fragrance includes only a fragrance with a low boiling point (only one fragrance in group B), the fragrance volatilizes (disperses) immediately, which is not suitable in order to give the user an expectation of the insect repellent effect. On the other hand, if the composition of the insect repellent fragrance includes only a fragrance with a high boiling point (only one fragrance in group A), the sustainability of the insect repellent effect improves due to the time required for volatilization (dispersion). However, the initial volatilization (dispersion) of the fragrance is very low and therefore it is not possible to demonstrate the insect repellent effect to the user.

[00108] In contrast, according to the present embodiment, the fragrance with a higher weight ratio (the main component of the insect-repellent fragrance composition) is a high-boiling-point fragrance (fragrance in group A), thus adequately ensuring the sustainability of the insect-repellent effect. Furthermore, the low-boiling-point fragrance (fragrance in group B) is added as a supplementary fragrance in order to promote the initial volatilization (dispersion) of the fragrance, thus enabling the insect-repellent effect to be recognized (demonstrated) by the user through the fragrance, and making it possible to give the user an expectation of the insect-repellent effect. In this way, according to Petition 870260067913, dated 09 / 07 / 2026, page 29 / 108 26 / 41 diaper 1 of the present modality, it is possible to guarantee the sustainability of the insect repellent effect while giving the user an expectation of the insect repellent effect.

[00109] Also known as citronelal, mentol, α-terpineol, linalil acetato, isopulegol, etyl linalol, terpinil acetato, geranil formiato, mentona, borneol, cânfora, mentano, canfeno, tetrahidrolinalol, dihidromircenol, ocimenol, ocimeno, mirceno, α-pineno, pineno, α-ferrandreno, αterpineno, γ-terpineno, terpinoleno, 3-careno, 1-heptanol, 2-heptanol, 3heptanol, 1-octanol, 2-octanol, 3-octanol, 2-nonanol, 3, 5,5-trimetil-1hexanol, cis-3-hexenol, trans-2-hexenol, 2,4-hexadieno-1-ol, 1-octen-3ol, 2,6-nonadienol, tetra-hidromugol, 4- thujanol, n-heptanal, n-octanal, 3,5,5-trimethylhexanal, cis-3-hexenal, 2,4-hexadienal, 2,6-nonadienal, heptanal dimethyl acetal, octanal dimethyl acetal, citral dimethyl acetal, 2heptanona, 2-octanona, 3-octanona, 2-nonanona, 3-nonanona, methylheptenona, fencon, acetylfurano, linalol oxidase, mentofurano, 1,8cineol, 1,4-cineol, 2,2,6-trimethyl-6 -vinyltetrahydropyrano, formiato cis-3hexenil, prenil acetato, hexil acetato, cis-3-hexenil acetato, trans-2hexenil acetato,Heptyl acetate, hexyl propionate, cis-3-hexenyl butyrate, cis-3-hexenyl isobutyrate, ethyl 2-methylvalerate, ethyl heptanoate, and allyl hexanoate are allergen-free substances. Therefore, in terms of allergic reaction, it is possible to give the user a sense of reassurance.

[00110] Note that the insect repellent fragrance composition of the present embodiment does not contain any of the following 26 types of fragrances. These 26 types of fragrances are α-isomethyl ionone, amyl cinnamaldehyde, amyl cinnamyl alcohol, anis alcohol, benzyl alcohol, benzyl benzoate, benzyl cinnamate, benzyl salicylate, butylenyl methylpropional, cinnamaldehyde, cinnamaldehyde, citral, citronellol, coumarin, eugenol, farnesol, geraniol, hexyl cinnamal, hydroxycitronellal, hydroxyisohexyl 3-cyclohexene carboxaldehyde, isoeugenol, limonene, Petition 870260067913, dated 09 / 07 / 2026, page 30 / 108 27 / 41 linalool, methyl 2-octinate, Evernia prunastri extract and Evernia furfuracea extract. Here, "does not contain these fragrances" means that the fragrance is substantially not contained and does not mean that the fragrance is not contained at all (not even slightly present). If the proportion of a fragrance in the composition of the insect repellent fragrance (solvent + fragrance) is 1% or less, it can be said that this fragrance is substantially not contained.

[00111] According to the EU (European Union) Cosmetics Directive (76 / 768 / EEC), there is an obligation to display these fragrances as allergens on the label. Thus, due to the composition of the insect repellent fragrance not containing these fragrances, it is possible to give the user a feeling of ease in terms of allergic reaction.

[00112] Furthermore, in the present embodiment, the following effects are achieved due to the insect-repellent fragrance composition being applied to an absorbent article (diaper 1) that includes a heat-fusible adhesive. Specifically, some fragrances inhibit the adhesive function of the heat-fusible adhesive and, if such fragrances are used in the absorbent article (diaper 1), it is possible that the fragrance may have volatilized in the packaging (packaging material) before the diaper 1 is used to have an effect on the heat-fusible adhesive and cause the diaper 1 or similar to peel off.

[00113] The following do not have the adhesive function of a thermofusible adhesive: citronelal, menthol, α-terpineol, linalyla acetat, isopulegol, ethyl linalool, terpinil acetat, geranil formiato, mentona, borneol, canfora, mentano, canfeno, tetra-hidrolinalol, di-hidromircenol, ocimenol, ocimeno, mirceno, α-pineno, β-pineno, α-felandreno, α-terpineno, γterpineno, terpinoleno, 3-careno, 1-heptanol, 2-heptanol, 3-heptanol, 1octanol, 2-octanol, 3-octanol, 2-nonanol, 3,5,5-trimethyl-1-hexanol, cis-3hexenol, trans-2-hexenol, 2,4-hexadieno-1-ol, 1-octeno-3-ol, 2,6nonadienol, tetra-hidromugol, 4-tujanol, n-heptanal, n-octanal, 3,5,5 Petition 870260067913, of 09 / 07 / 2026, p. 31 / 108 28 / 41 trimethylhexanal, cis-3-hexenal, 2,4-hexadienal, 2,6-nonadienal, heptanal dimethyl acetal, octanal dimethyl acetal, citral dimethyl acetal, 2-heptanone, 2-octanone, 3-octanone, 2-nonanone, 3-nonanone, methylheptenone, fencon, acetylfuran, linalool oxide, menthofuran, 1,8-cineole, 1,4cineole, 2,2,6-trimethyl-6-vinyltetrahydropyran, cis-3-hexenyl formate, prenyl acetate, hexyl acetate, cis-3-hexenyl acetate, trans-2-hexenyl acetate, heptyl acetate, hexyl propionate, cis-3-hexenyl butyrate, cis-3hexenyl isobutyrate, ethyl 2-methylvalerate, ethylheptanoate, and allyl hexanoate. For this reason, it is possible to prevent diaper rash and similar conditions, and it is possible to adequately maintain the functionality of the diaper.

[00114] Note that insect-repellent fragrances that inhibit the adhesive performance of a hot-melt adhesive include: limonene, phenylacetaldehyde, methyl salicylate, thymol, methyl isoeugenol, coumarin, β-phenylethyl alcohol, cymene, eugenol, carvacrol, phenylethyl acetate, safrole, benzyl acetate, styryl acetate, anisyl acetate, cinnamyl acetate, cumin aldehyde, diphenyl oxide, and cinnamyl formate, but the insect-repellent fragrance composition of the present embodiment does not contain any of these (as defined above for these fragrances being not contained). For this reason, it is possible to prevent the occurrence of diaper 1 and similar diaper 1 peeling, and it is possible to adequately maintain the functionality of the diaper 1.

[00115] Furthermore, in the present embodiment, in addition to the high-boiling-point fragrance (fragrance in group A) and the low-boiling-point fragrance (fragrance in group B), the insect-repellent fragrance composition contains at least one type of fragrance having a boiling point above 220°C and below or equal to 270°C (hereinafter referred to as the super-high-boiling-point fragrance) selected from group C. The fragrances in group C are isobornyl acetate, p-menthane-3,8-diol, 2-(tert-butyl)cyclo Petition 870260067913, dated 09 / 07 / 2026, page 32 / 108 29 / 41 hexyl acetate, dihydroterpinyl acetate, nerol, 4-tert-butylcyclohexyl acetate, citronellyl acetate, neryl acetate, geranyl acetate, ethyl linalyl acetate, tricyclodecenyl acetate, bornyl acetate, β-caryophyllene, cis-jasmon, L-carvone, nopyr acetate, pulegone, and allyl octanoate. In this case, the super high boiling point fragrance is added to the low boiling point and high boiling point fragrances, making it possible to reinforce the sustainability of the insect repellent effect.

[00116] Figures 6A to 6D show tables of fragrances that can be applied to the diaper 1 described above and also fragrances that are not applicable. Note that the insect repellent fragrance composition of the present embodiment has the following characteristics. Citronellal 30 to 40%, terpinyl acetate 1 to 5%, isobornyl acetate 1 to 5% and other fragrances less than 1% were added as fragrances to isopropyl myristate 50% (weight ratio; this applies similarly below) which is the solvent. At least one type of fragrance selected from group B is included in less than 1% of other fragrances. Methane is included, for example.

[00117] Furthermore, in the present embodiment, the insect repellent fragrance composition includes only synthetic fragrances. Here, fragrances can be divided into natural fragrances and synthetic fragrances. Natural fragrances are essential oils, for example, and are fragrances extracted directly from natural or similar plants. Consequently, the composition varies depending on the place of production and the time of harvest, and natural fragrances contain several fragrance components in addition to the target fragrance component.

[00118] However, synthetic fragrances are chemically synthesized fragrances and therefore do not contain these various fragrance components. Synthetic fragrances include fragrances Petition 870260067913, dated 09 / 07 / 2026, page 33 / 108 30 / 41 isolated, fully synthetic fragrances, semi-synthetic fragrances and biosynthetic fragrances. In the present embodiment, only synthetic fragrances are included, thus making it possible to appropriately avoid the inclusion of substances that should not be included in the composition of insect repellent fragrance (for example, the allergens described above or substances that inhibit the hot-melt adhesive).

[00119] Note that isolated fragrances (e.g., citronellal), which are produced by isolating a component from a natural fragrance (e.g., citronella oil), fall into the category of synthetic fragrances, non-natural fragrances, and therefore, even in the case of such isolated fragrances, it is possible to avoid the inclusion of said substances.

[00120] Discharge of the insect repellent fragrance composition from the insect repellent microcapsule 50

[00121] In the present embodiment, as shown in figure 5, there is a mixture of insect repellent microcapsules 50 that have different particle sizes. The larger (smaller) the particle size of an insect repellent microcapsule 50, the easier (more difficult) it is for the insect repellent microcapsule 50 to break and, therefore, in the present embodiment, insect repellent microcapsules 50 that have different burst pressures (i.e., discharge pressures of insect repellent fragrance composition) are provided.

[00122] Specifically, the insect-repellent microcapsules 50 include low-pressure rupture capsules, which are insect-repellent microcapsules 50 that discharge the insect-repellent fragrance composition from the membrane when subjected to a pressure P (in the present embodiment, 23.6 MPa), and high-pressure rupture capsules, which are insect-repellent microcapsules 50 that do not discharge the insect-repellent fragrance composition from the membrane. Petition 870260067913, dated 09 / 07 / 2026, page 34 / 108 31 / 41 membrane, even when subjected to a pressure 2P (in this embodiment, 47.2 MPa), which is twice the pressure P.

[00123] In other words, in the case of low-pressure rupture capsules, the lowest pressure value required for rupture (discharging the fragrance composition), which is the pressure value at which the insect repellent microcapsule 50 first ruptures when the pressure is gradually increased, is less than or equal to pressure P (23.6 MPa), whereas in the case of high-pressure rupture capsules, the aforementioned lowest value is greater than pressure 2P (47.2 MPa), and both capsules are included.

[00124] Effects such as the following can be obtained in accordance with this subject.

[00125] The user can adjust the amount of insect-repellent fragrance composition that is discharged. For example, in a situation where the risk of insect bites is not very high (e.g., indoors or during the day), the user can use less pressure when touching (gripping) the diaper 1 so as to only break (rub and break) the low-pressure rupture capsules, thus reducing the amount of insect-repellent fragrance composition that is discharged. On the other hand, in a situation where the risk of insect bites is high (e.g., outdoors or after dark), the user can use more pressure when touching (gripping) the diaper 1 to break (rub and break) both the low-pressure rupture capsules and the high-pressure rupture capsules, thus increasing the amount of insect-repellent fragrance composition that is discharged.If only low-pressure rupture capsules or high-pressure rupture capsules are supplied, the discharge quantity cannot be adjusted. Therefore, according to this embodiment, the user can adjust the quantity of insect repellent fragrance composition that is discharged. Petition 870260067913, dated 09 / 07 / 2026, page 35 / 108 32 / 41 according to the risk of insect bites. Other modalities

[00126] Although the manner of this disclosure has been described above, the manner described above is simply for the purpose of facilitating understanding of this disclosure and should in no way be construed as limiting this disclosure. This disclosure may be changed or altered in various ways without departing from its essence and encompassing its equivalents.

[00127] In the above embodiment, a tape-type (open type) diaper 1 is described as an example of the absorbent article to be used on the body, but there is no limitation to this, and the diaper may be a pull-on diaper. Furthermore, there is no limitation to it being a diaper, and the absorbent article may be a napkin, a urine absorbent pad, or a sanitary napkin (pantyliner), for example. Additionally, the absorbent article to be used on the body is not limited to being an absorbent article used on the human body, and may be a pet diaper, for example.

[00128] Furthermore, in the above embodiment, the membrane containing the insect-repellent fragrance composition is provided. In other words, microcapsules are formed containing the insect-repellent fragrance composition in a membrane, but there is no limitation to this. For example, the insect-repellent fragrance composition does not need to be contained in a membrane (it does not need to be microcapsulated).

[00129] However, containing the insect-repellent fragrance composition in a membrane (microencapsulating the insect-repellent fragrance composition) reinforces the sustainability of the insect-repellent effect and, therefore, the above embodiment is desirable.

[00130] In addition, in the above configuration, a strip-type sheet Petition 870260067913, dated 09 / 07 / 2026, page 36 / 108 33 / 41 integrated 33 is described as an example of a nonwoven fabric sheet in which insect-repellent microcapsules are provided, but this is not limited to it. And the nonwoven fabric sheet in which insect-repellent microcapsules are provided may consist of several nonwoven fabric sheets.

[00131] As shown in Figure 7, in this variation, the nonwoven fabric sheet on which the insect-repellent microcapsules are provided consists of two nonwoven fabric sheets (the total nonwoven fabric sheet consisting of two nonwoven fabric sheets will be called nonwoven fabric sheet 60). One of the two nonwoven fabric sheets is the same as the previously described strip-type sheet 33 (corresponding to a second nonwoven fabric sheet, which will be called strip-type sheet 62). The other of the two nonwoven fabric sheets is a cover member 64 (corresponding to a first nonwoven fabric sheet) which is thinner than the strip-type sheet 62, and the cover member 64 covers the skinless side of the strip-type sheet 62. In other words, the strip-type sheet 62 is located on the skin side of the cover member 64, and the strip-type sheet 62 is covered by the cover member 64 on the skinless side.

[00132] For this reason, a skinless side surface 60a of the nonwoven fabric sheet 60 is constituted by the cover member 64, not by the strip-like sheet 62, and the insect-repellent microcapsules 50 are provided in the strip-like sheet 62 and not provided in the cover member 64, thus making it possible to reliably realize a state where the insect-repellent microcapsules 50 are not located above the skinless side surface 60a of the strip-like sheet 62. Consequently, it is possible to reliably realize the effect described above of sustaining the insect-repellent effect even more appropriately. Furthermore, the cover member 64 also plays a role in suppressing the case where Petition 870260067913, dated 09 / 07 / 2026, page 37 / 108 34 / 41 insect repellent microcapsules ruptured, 50 fell out.

[00133] Note that figure 7 is a schematic diagram that schematically shows insect repellent microcapsules 50 provided on the skinless side of the nonwoven fabric sheet 60 according to this variation.

[00134] Examples of other aspects of the absorbent article follow.

[00135] A configuration is possible in which the absorbent article includes a coated portion that is coated with insect-repellent microcapsules, and when the absorbent article is removed from the packaging material, the insect-repellent microcapsules include damaged capsules, which are insect-repellent microcapsules that are damaged, and undamaged capsules, which are insect-repellent microcapsules that are not damaged.

[00136] The coated portion is provided anywhere on a diaper 101. In this aspect, a coated portion R (dashed portion in Figure 8) is provided on the surface of the skinless side of a fastening tape portion 140 on one side of the product in the width direction W. The coated portion R is applied flat over the entirety of a strip-type sheet 141. Note that Figure 8 is a diagram showing the fastening tape portion of one side 140 according to this appearance, as seen from the skinless side.

[00137] The coated portion R of diaper 101, which was removed from the packaging material, includes damaged DC capsules, which are damaged MC insect repellent microcapsules, and undamaged NC capsules, which are undamaged MC insect repellent microcapsules. In other words, in the state contained in the packaging material, diaper 101 includes damaged DC capsules and undamaged NC capsules.

[00138] Damaged DC capsules are repellent microcapsules Petition 870260067913, dated 09 / 07 / 2026, page 38 / 108 35 / 41 of MC insect repellent capsules whose membrane is at least partially damaged. The term damaged refers to the state in which the membrane has at least one scratch, indentation, deformation, or crack. Damaged DC capsules are in a state where the contained insect repellent fragrance composition has leaked from the ruptured portion to the outside of the MC insect repellent microcapsule, or the insect repellent fragrance composition is exposed.

[00139] Figure 9 is an electron micrograph of a region that includes damaged DC capsules and undamaged NC capsules in the coated portion. In the photograph shown in Figure 9, the MC microcapsules are provided around the 145 nonwoven fabric fibers. The undamaged NC capsules are spherical and contain the insect repellent fragrance composition. On the other hand, the damaged DC capsules have various shapes, have collapsed, or are in a state where the interior is visible.

[00140] The insect repellent fragrance composition of this aspect is a highly volatile fragrance and, therefore, due to the diaper 101 including the damaged DC capsules, the insect repellent fragrance composition easily fills the airtight packaging material. When the packaging material is opened, the user or recipient can first recognize the fragrance of the insect repellent fragrance composition that was contained in the damaged DC capsules. Consequently, the user or recipient can recognize that the diaper 101 includes the insect repellent fragrance composition before putting on the diaper 101.

[00141] Furthermore, because the diaper 101 includes damaged DC capsules when removed from the packaging material, the user or customer may recognize the fragrance of the insect repellent fragrance composition discharged from the damaged DC capsule when removing the diaper 101 from the packaging material or performing an operation, such as Petition 870260067913, dated 09 / 07 / 2026, p. 39 / 108 36 / 41 unfold diaper 101, for example. Consequently, the user can recognize that diaper 101 includes the insect-repellent fragrance composition before putting on diaper 101.

[00142] Furthermore, because diaper 101 includes not only damaged DC capsules but also undamaged NC capsules, the undamaged NC capsules can also be damaged when subjected to some kind of impact or contact in the donning state. When the undamaged NC capsules are subjected to a physical stimulus, they become damaged DC capsules, and the new insect-repellent fragrance composition can leak out or become exposed. Consequently, the existence of the insect-repellent fragrance composition can be recognized not only before the diaper is put on but also while the diaper is in the donning state. Furthermore, the insect-repellent effect is likely to be exhibited by the insect-repellent fragrance composition not only before diaper 101 is put on but also while diaper 101 is being put on.

[00143] Furthermore, normally, the fastening tape portions 140 are portions that are grasped by the user's or wearer's hand when the diaper is put on. For this reason, due to the provision of the coated portion R in the fastening tape portions 140, the fastening tape portions 140 are physically stimulated (e.g., rubbed) when pinched by the user or wearer and therefore the undamaged NC capsules between the insect-repellent MC microcapsules of the coated portion R can more safely become damaged DC capsules, thus making it more likely that the effect of the insect-repellent fragrance composition will be displayed when the diaper is put on.

[00144] The coated portion R has a processing mark portion, where the number of damaged DC capsules per Petition 870260067913, dated 09 / 07 / 2026, p. 40 / 108 37 / 41 unit area is greater than the number of NC damage-free capsules per unit area. The processing mark portion is a marked portion that has been subjected to pressure or impact in compression processing, bending processing, cutting processing, laser processing, or similar after the formation of the R-coated portion. The processing mark portion is a portion where NC damage-free capsules have become DC damaged capsules due to pressure or impact during processing. It is preferable that this processing that forms the processing mark portion be performed in the manufacturing process. Because this processing is performed in the manufacturing process, DC damaged capsules are included in the processing mark portion of diaper 101 in the packaged state. Consequently, the user or wearer can recognize that diaper 101 includes the insect-repellent fragrance composition before putting on diaper 101.Note that in Figure 8, the processing mark portions (M1 to M3) are shown by dashed lines.

[00145] The number of damaged DC capsules per unit area and the number of damage-free NC capsules per unit area in diaper 101 can be compared by forming sample pieces by cutting regions that have the predetermined unit area and using an electron microscope to visually compare the number of damaged DC capsules and damage-free NC capsules in the sample pieces.

[00146] When diaper 101 was removed from the packaging material, the fastening tape portion 140 was folded along a tape fold line (fold line portion) TL, and the portion overlapping the tape fold line TL is the processing mark portion M1. In the folding step of the fastening tape portion 140, a folding guide is pressed against the tape fold line TL from the surface of the Petition 870260067913, dated 09 / 07 / 2026, p. 41 / 108 38 / 41 skin side, for example. For this reason, damaged DC capsules are provided at least in the M1 processing mark portion due to pressure in the folding process. In this way, due to a folding line, such as the TL tape folding line serving as the M1 processing mark portion, there is no need to provide a separate step to form the damaged DC capsules, thus making it easier to obtain the 101 diaper that reliably includes the damaged DC capsules in the packaged state. As a result, the user can recognize that the 101 diaper includes the insect repellent fragrance composition before putting on the 101 diaper.

[00147] Furthermore, in diaper 101, damaged DC capsules are provided in a front end portion M2 of the fastening tape portion 140. The front end portion M2 of the fastening tape portion 140 is a portion that is adjacent to the cut made when forming the strip-type sheet shape 141. For this reason, the front end portion M2 is also the processing mark portion M2. In the processing mark portion M2, the damaged DC capsules are easily formed due to the impact at the cutting step. Consequently, the packaged diaper 101 includes the damaged DC capsules and the user or consumer can recognize that the diaper 101 includes the insect repellent fragrance composition before the diaper 101 is put on.

[00148] Furthermore, in the packaged state, diaper 101 includes compressed portions F to maintain the folded state of fastening tape portion 140 and the compressed portions F are the processing mark portions M3. The compressed portions F are formed after coating of the coated portion R and therefore the processing mark portions M3 are portions where damaged capsules DC are likely formed due to pressure during coating. Petition 870260067913, dated 09 / 07 / 2026, p. 42 / 108 39 / 41 Consequently, packaged diaper 101 includes damaged DC capsules, and the user can recognize that diaper 101 includes the insect-repellent fragrance composition before diaper 101 is put on.

[00149] Note that the coated portion R has a non-processing mark N in which the number of damage-free capsules NC per unit area is greater than the number of damaged capsules DC per unit area when the diaper 101 is removed from the packaging material. At this point, it is preferable that the area of ​​the non-processing mark portion N be larger than the area of ​​the processing mark portions on the coated portion R. Specifically, the processing mark portions of the coated portion R of the diaper 101 include the processing mark portions M1 and M2 and the compressed portions M3 (F), and the non-processing mark portion N is the region of the fastening tape portion 140 excluding the processing mark portions M1 and M2 and the compressed portions M3 (F). As shown in Figure 8, the area of ​​the non-processing mark portion N is larger than the area of ​​the processing mark portions of the coated portion of the diaper 101.In this way, due to the establishment of a larger region for NC-free capsules, the user can adjust the number of damaged capsules according to the desired effect of the insect-repellent fragrance composition, thus making it possible to obtain an effect of the insect-repellent fragrance composition that corresponds to the pull-on state.

[00150] Note that although the processing mark portions M1 and M2 and the compressed portions M3 (F) of the fastening tape portion 140 are described above, the processing mark portions are not limited to these portions. In the case where the coated portion is provided in an overlapping portion with a processing mark portion Petition 870260067913, dated 09 / 07 / 2026, page 43 / 108 40 / 41 processing P1 shown in Figure 8, damaged DC capsules are formed in portion P1 of the processing mark. Portion P1 of the processing mark is the outer end of diaper 101 and is adjacent to the cut portion when the back sheet and side sheet are cut in the shape shown in Figure 8, for example. In portion P1 of the processing mark, damaged DC capsules are easily formed due to the impact during the cutting step. List of Reference Signs: diaper, front portion, 5 crotch portion, 7 back portion, Portion of the flap, leg folds, 16 side leg folds, End joining portion, 18 main body portion, 18a main body joining portion, elastic cord 19, Absorbent body, 22 top sheet, 23 leak-proof sheet, 24 back sheets, 25 core wrap, 26 skin-side sheets, 28 waistband gather film, target tape, 30 fastening tape portion, fastening portion, 31a non-velcro portion, 31b wavy portion, 32 fastening portion, band-like sheet, 33a skin-side surface, 33b non-skin-side surface, 34 non-woven fabric fiber, velcro closure, insect-repellent microcapsules, non-woven fabric sheet, 60a non-skin-side surface, 62 band-type sheet, 64 cover limbs, 101 diapers, 140 Portion of fastening tape, 141 strip-type sheet, 145 non-woven fabric fiber, Petition 870260067913, dated 09 / 07 / 2026, page 44 / 108 41 / 41 F Compressed portion, MC Microcapsule insect repellent, M1 Processing mark portion, M2 Processing mark portion (front end portion), M3 Processing mark portion, N Non-processing mark portion, DC Damaged capsule, NC Damage-free capsule, P1 Processing mark portion, R Coated portion Petition 870260067913, dated 09 / 07 / 2026, p. 45 / 108

Claims

1 / 6 CLAIMS 1. Absorbent article, characterized in that it comprises: an insect-repellent fragrance composition comprising a type of fragrance having a boiling point greater than or equal to 200°C and less than or equal to 220°C selected from a group A below and a type of fragrance having a boiling point greater than or equal to 150°C and less than 200°C selected from a group B below, a weight proportion of the fragrance from group A being greater than a weight proportion of the fragrance from group B in the insect-repellent fragrance composition, group A: citronellal, menthol, α-terpineol, linalyl acetate, isopulegol, ethyl linalool, terpinyl acetate, geranyl formate, menthone, borneol and camphor, group B: menthane, camphene, tetrahydrolinalool, dihydromyrcenol, ocimenol, ocimene, myrcene, α-pinene, β-pinene, αphellandrene, α-terpinene, γ-terpinene, terpinolene, 3-carene, 1-heptanol, 2-heptanol, 3-heptanol, 1-octanol, 2-octanol, 3-octanol, 2-nonanol, 3.5,5-trimethyl-1-hexanol, cis-3-hexenol, trans-2-hexenol, 2, 4-hexadien1-ol, 1-octen-3-ol, 2,6-nonadienol, tetrahydromugol, 4-thujanol, nheptanal, n-octanal, 3,5,5-trimethylhexanal, cis-3-hexenal, 2,4hexadienal, 2,6-nonadienal, heptanal dimethyl acetal, octanal dimethyl acetal, citral dimethyl acetal, 2-heptanone, 2-octanone, 3-octanone, 2nonanone, 3-nonanone, methylheptenone, fencon, acetylfuran, linalool oxide, menthofuran, 1,8-cineole, 1,4-cineole, 2,2,6-trimethyl-6-vinyltetrahydropyran, cis-3-hexenyl formate, prenyl acetate, hexyl acetate, cis-3hexenyl acetate, trans-2-hexenyl acetate, heptyl acetate, hexyl propionate, cis-3-hexenyl butyrate, cis-3-hexenyl isobutyrate, ethyl 2-methylvalerate, Petition 870260067913, of 07 / 09 / 2026, p. 46 / 108 2 / 6 ethylheptanoate and allyl hexanoate., 2. Absorbent article, according to claim 1, characterized in that the insect-repellent fragrance composition includes a type of fragrance having a boiling point greater than 220 °C and less than or equal to 270 °C selected from group C, group C being: isobornyl acetate, p-menthane-3,8-diol, 2-(tert-butyl)cyclohexyl acetate, dihydroterpinyl acetate, nerol, 4-tert-butylcyclohexyl acetate, citronellyl acetate, neryl acetate, geranyl acetate, ethyl linalyl acetate, tricyclodecenyl acetate, bornyl acetate, β-caryophyllene, cisjasmon, L-carvone, nopyr acetate, pulegone and allyl octanoate.

3. Absorbent article, according to claim 1 or 2, characterized in that the absorbent article further comprises a heat-fusible adhesive.

4. Absorbent article, according to claim 3, characterized in that the insect-repellent fragrance composition is free from the following: limonene, phenylacetaldehyde, methyl salicylate, thymol, methyl isoeugenol, coumarin, β-phenylethyl alcohol, cymene, eugenol, carvacrol, phenylethyl acetate, safrole, benzyl acetate, styryl acetate, anisyl acetate, cinnamyl acetate, cumin aldehyde, diphenyl oxide and cinnamyl formate.

5. Absorbent article, according to claim 1 or 2, characterized in that the composition of the insect-repellent fragrance is free from the following 26 types of fragrances: α-isomethyl ionone, amyl cinnamaldehyde, amyl cinnamyl alcohol, anis alcohol, benzyl alcohol, benzyl benzoate, benzyl cinnamate, benzyl salicylate, butylenyl methylpropional, cinnamaldehyde, cinnamaldehyde, citral, citronellol, coumarin, eugenol, farnesol, geraniol, hexyl cinnamal, hydroxycitronellal, hydroxyisohexyl, 3-cyclohexene carboxaldehyde, isoeugenol, limonene, linalool, methyl 2-octinate, Evernia extract. Petition 870260067913, dated 09 / 07 / 2026, page. 47 / 108 3 / 6 prunastri and extract of Evernia furfuracea.

6. Absorbent article, according to any one of claims 1 to 5, characterized in that the composition of the insect-repellent fragrance includes only synthetic fragrances.

7. Absorbent article, according to any one of claims 1 to 6, characterized in that the absorbent article further comprises a containment member containing the insect-repellent fragrance composition.

8. Absorbent article, according to claim 7, characterized in that the absorbent article is configured to be placed on a body, the absorbent article further comprising a hydrophobic nonwoven fabric sheet (33) and an insect repellent microcapsule (50), the insect repellent microcapsule (50) being disposed on a skinless side of the nonwoven fabric sheet (33), the insect repellent microcapsule (50) including the insect repellent fragrance composition and the containment member, and the insect repellent microcapsule (50) is incorporated within the nonwoven fabric sheet (33) in a state of remaining away from the surface of the skin side (33a) of the nonwoven fabric sheet (33).

9. Absorbent article, according to claim 8, characterized in that the insect-repellent microcapsules (50) include an insect-repellent microcapsule (50) that discharges the insect-repellent fragrance from the restraining limb when subjected to a pressure P, and an insect-repellent microcapsule (50) that retains the insect-repellent fragrance in the restraining limb, even when subjected to a pressure 2P which is twice the pressure P.

10. Absorbent article, according to any one of claims 7 to 9, characterized in that the absorbent article further comprises a coated portion (R) that is coated with a plurality of insect-repellent microcapsules (MC), the plurality of insect-repellent microcapsules (MC), each including the insect-repellent fragrance composition and the containment member, when the absorbent article has been removed from a packaging material, the insect-repellent microcapsules (MC) include a damaged capsule (DC) and a damage-free capsule (NC), the damaged capsule (DC) being an insect-repellent microcapsule (MC) that is damaged, the damage-free capsule (NC) being an insect-repellent microcapsule (MC) that is free from damage.

11. Absorbent article, according to claim 10, characterized in that the coated portion (R) includes a processing mark portion (M1) in which the number of damaged capsules (DC) per unit area is greater than the number of undamaged capsules (NC) per unit area.

12. Absorbent article, according to claim 11, characterized in that the coated portion (R) includes a non-processing mark portion (N), the non-processing mark portion (N) being a portion in which the number of undamaged capsules (NC) per unit area is greater than the number of damaged capsules (DC) per unit area when the absorbent article has been removed from the packaging material, and the non-processing mark portion (N) has an area greater than the processing mark portion (M1).

13. Absorbent article, according to claim 11 or 12, characterized in that when the absorbent article has been removed from the packaging material, a portion of the absorbent article has been folded into a fold line portion (TL), the processing mark portion (M1) is the fold line portion (TL), and a portion of the damaged capsules (DC) is provided in the fold line portion (TL).

14. Absorbent article, according to any one of claims 10 to 13, characterized in that when the absorbent article is in an unfolded state, a portion of the damaged capsules (DC) is provided in an outer end portion (P1) of the absorbent article.

15. Absorbent article, according to any one of claims 10 to 14, characterized in that the absorbent article further comprises a fixing tape portion (30), and the coated portion (R) is provided on the fixing tape portion (30).

16. Absorbent article, according to claim 15, characterized in that a portion of the damaged capsules (DC) is provided in a front end portion (M2) of the fastening tape portion (30).

17. Absorbent article according to claim 15 or 16, characterized in that when the absorbent article has been removed from the packaging material, the fastening tape portion (30) has been folded along a tape fold line (TL) with a skin-side surface of the fastening tape portion (30) being on the inner side, the tape fold line (TL) extending in a vertical direction, Petition 870260067913, 09 / 07 / 2026, p. 50 / 108 6 / 6 the fastening tape portion (30) has a compressed portion (F) to maintain a folded state, and a damaged capsule portion (DC) is provided in the compressed portion (F). Petition 870260067913, 09 / 07 / 2026, p. 51 / 108

Images