WO2022044790A1 - Article absorbant - Google Patents

Article absorbant Download PDF

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Publication number
WO2022044790A1
WO2022044790A1 PCT/JP2021/029481 JP2021029481W WO2022044790A1 WO 2022044790 A1 WO2022044790 A1 WO 2022044790A1 JP 2021029481 W JP2021029481 W JP 2021029481W WO 2022044790 A1 WO2022044790 A1 WO 2022044790A1
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WO
WIPO (PCT)
Prior art keywords
insect repellent
absorbent article
fragrance
hot melt
diaper
Prior art date
Application number
PCT/JP2021/029481
Other languages
English (en)
Japanese (ja)
Inventor
正史 山口
裕樹 合田
Original Assignee
ユニ・チャーム株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ユニ・チャーム株式会社 filed Critical ユニ・チャーム株式会社
Priority to CN202180060289.4A priority Critical patent/CN116171145A/zh
Publication of WO2022044790A1 publication Critical patent/WO2022044790A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/493—Absorbent articles specially adapted to be worn around the waist, e.g. diapers adjustable by adding or removing material, e.g. umbilical cord arrangements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56—Supporting or fastening means
    • A61F13/62—Mechanical fastening means, ; Fabric strip fastener elements, e.g. hook and loop
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds

Definitions

  • the present invention relates to an absorbent article.
  • Patent Document 1 discloses an absorbent article to which a microencapsulated natural plant extract exhibiting an insect repellent effect is applied.
  • Some natural plants eg, cinnamon, rosemary, lavender, mint, eucalyptus, etc.
  • repellent aroma components e.g., cinnamon, rosemary, lavender, mint, eucalyptus, etc.
  • extracts of such natural plants impart to absorbable articles. By doing so, it is possible to keep insects away from the absorbent article.
  • the weight of insect repellent fragrances that can be contained in microcapsules is limited. Therefore, the insect repellent effect of the insect repellent fragrance may be insufficient. Further, even if the number of microcapsules is increased in order to increase the weight of the insect repellent fragrance, the number of microcapsules that are not damaged tends to increase. Then, the amount of insect repellent fragrance released to the outside does not increase, and the insect repellent effect remains insufficient.
  • the present invention has been made in view of the above problems, and an object thereof is to enhance the insect repellent effect of an absorbent article in which an insect repellent fragrance is arranged.
  • the main invention for achieving the above object is an absorbent article having a plurality of materials and having an insect repellent fragrance arranged therein, and at least a part of the plurality of materials is adhesively imparted having an insect repellent component.
  • FIG. 2A is a schematic cross-sectional view of the ventral waist circumference 3 of the diaper 1
  • FIG. 2B is a schematic cross-sectional view of the crotch portion 5 of the diaper 1
  • FIG. 2C is a schematic cross-sectional view of the dorsal waist circumference 7 of the diaper 1.
  • 3A and 3B are explanatory views of the hot melt adhesives A1 to A9 used in the diaper 1 of the first embodiment. It is an exploded perspective view around the fastening tape 30. It is a figure which showed schematically the arrangement of the insect repellent fragrance 40 in the cross section of the fastening tape 30.
  • 6A and 6B are explanatory views of the hot melt adhesives A1 to A9 used in the diaper 1 of the second embodiment.
  • 7A and 7B are explanatory views of a modified example of the diaper 1 of the second embodiment. It is an exploded perspective view around the exterior sheet 24 in the diaper 1 of the modification.
  • 9A and 9B are explanatory views of the hot melt adhesives A1 to A9 used in the diaper 1 of the other embodiment.
  • the tackifier having the insect repellent component is an absorbent article comprising at least one of ⁇ -pinene, ⁇ -pinene, and camphene.
  • the insect repellent effect of the hot melt adhesive containing at least one of ⁇ -pinene, ⁇ -pinene, and camphene is added and absorbed.
  • the insect repellent effect of sex articles is enhanced.
  • the absorbent article having the insect repellent component is an absorbent article characterized by using a rosin-based resin or a terpene-based resin.
  • the plurality of materials include an absorbent body and a liquid-impermeable sheet arranged on the non-skin side of the absorbent body in the thickness direction of the absorbent article.
  • An absorbent article characterized in that, in the thickness direction, a hot melt adhesive containing a tackifier having the insect repellent component is arranged on the non-skin side of the liquid impermeable sheet.
  • the scent of the hot melt adhesive containing at least one of ⁇ -pinene, ⁇ -pinene, and camphene is easily released to the outside of the absorbent article. Therefore, the insect repellent effect is enhanced, and the user can easily recognize the scent of insect repellent.
  • the hot melt adhesive containing the tackifier having the insect repellent component is arranged in the region where the insect repellent fragrance is arranged.
  • An absorbent article characterized by having a portion that overlaps the area.
  • the insect repellent fragrance and the hot melt adhesive containing the tackifier having the insect repellent component are arranged close to each other, so that the amount of the active ingredient of the insect repellent is locally distributed in the portion.
  • the number increases, and the insect repellent effect centering on that part increases. It also makes it easier for users to recognize the scent of insect repellent.
  • the hot melt adhesive containing the tackifier having the insect repellent component is arranged in the region where the insect repellent fragrance is arranged.
  • An absorbent article characterized by having no overlap with the area.
  • the absorbent article wherein the insect repellent fragrance contains a fragrance derived from any of lemongrass, citronella, and lemon eucalyptus.
  • the essential oil derived from the above-mentioned natural plant is relatively easy to obtain and is preferable because it contains a large amount of a compound which is an active ingredient for insect repellent.
  • the absorbent article wherein the insect repellent fragrance contains the ⁇ -pinene, the ⁇ -pinene, and a fragrance having a boiling point higher than that of camphene.
  • the scent of the hot melt adhesive containing at least one of ⁇ -pinene, ⁇ -pinene, and camphene is released from the initial stage, and an insect repellent effect is obtained.
  • the user can be made aware of the scent of insect repellent from the initial stage.
  • the fragrance with a high boiling point provides a long-lasting insect repellent effect.
  • the absorbable article wherein the insect repellent fragrance contains at least one fragrance having a boiling point of 200 ° C. or higher and 220 ° C. or lower selected from the group (A) as the fragrance having a high boiling point.
  • the long-lasting insect repellent effect can be obtained by the fragrance of the group (A) having a high boiling point.
  • the absorbent article is characterized in that the insect repellent fragrance contains at least one fragrance having a boiling point higher than 220 ° C. and 270 ° C. or lower selected from the group (C) as the fragrance having a high boiling point.
  • the fragrance having a higher boiling point enhances the sustainability of the insect repellent effect.
  • the absorbent article wherein the insect repellent fragrance is contained in microcapsules.
  • the scent of the hot melt adhesive containing at least one of ⁇ -pinene, ⁇ -pinene, and camphene is released from the initial stage, and an insect repellent effect is obtained.
  • the user can be made aware of the scent of insect repellent from the initial stage.
  • the insect repellent fragrance is contained in the microcapsules, it is possible to control the timing and strength of the function of the insect repellent fragrance, and it is possible to enhance the sustainability of the insect repellent effect.
  • the hot melt adhesive containing the tackifier having the insect repellent component is arranged on the non-skin side of the insect repellent fragrance in the thickness direction of the absorbent article.
  • the scent of the hot melt adhesive containing at least one of ⁇ -pinene, ⁇ -pinene, and camphene is released from the initial stage, and an insect repellent effect is obtained.
  • the user can be made aware of the scent of insect repellent from the initial stage.
  • the insect repellent fragrance is arranged on the non-skin side of the hot melt adhesive containing the tackifier having the insect repellent component in the thickness direction of the absorbent article.
  • the insect repellent fragrance is easily released to the outside of the absorbent article, the insect repellent effect is enhanced, and the user can easily recognize the insect repellent scent.
  • the absorbent article characterized in that the hot melt adhesive containing the tackifier having the insect repellent component has a larger weight placed on the absorbent article than the insect repellent fragrance. Sex goods.
  • the insect repellent effect can be enhanced while reducing the cost.
  • an absorbent article a part of the plurality of materials is adhered by a hot melt adhesive containing a tackifier having the insect repellent component, and another part of the plurality of materials is the insect repellent.
  • An absorbent article characterized by being adhered by a hot melt adhesive containing no tackifier having components.
  • the insect repellent effect can be enhanced by a hot melt adhesive containing a tackifier having an insect repellent component. Further, by using a hot melt adhesive having an insect repellent component and not containing a tackifier, it is possible to use a hot melt adhesive suitable for each part of the absorbent article.
  • the absorbent article As an example of the absorbent article according to the embodiment, a tape-type disposable diaper for children will be described as an example.
  • the absorbent article is not limited to the above, and disposable diapers for adults, pants-type disposable diapers, light incontinence pads, menstrual napkins, panty liners and the like can be adopted.
  • FIG. 1 is a plan view of a tape-type disposable diaper 1 (hereinafter, also referred to as “diaper”) in a state of being expanded and extended in the longitudinal direction as viewed from the skin side.
  • 2A is a schematic cross-sectional view of the ventral waist circumference 3 of the diaper 1
  • FIG. 2B is a schematic cross-sectional view of the crotch portion 5 of the diaper 1
  • FIG. 2C is a schematic cross-sectional view of the dorsal waist circumference 7 of the diaper 1. It is a cross-sectional view.
  • Diaper 1 has a longitudinal direction (vertical direction) and a width direction (horizontal direction). Further, the diaper 1 has a ventral waist circumference portion 3 applied to the ventral side of the wearer, an inseam 5 applied to the inseam of the wearer, and a dorsal waist circumference portion 7 applied to the dorsal portion of the wearer. Have side by side in the longitudinal direction. As shown in FIG. 2A, the direction in which the members constituting the diaper 1 are laminated is referred to as the thickness direction. In the thickness direction, the side in contact with the wearer is called the skin side, and the opposite side is called the non-skin side.
  • the diaper 1 has an absorber 21, a top sheet 22, a leak-proof sheet 23, an exterior sheet 24, a pair of side sheets 26, a waist gather film 28, a target tape 29, and a pair of fastening tapes 30. is doing.
  • the absorber 21 has an absorbent core 211, and the absorbent core 211 is a liquid absorbent fiber such as a pulp fiber containing a highly absorbent polymer (so-called SAP) molded into a predetermined shape.
  • SAP highly absorbent polymer
  • examples thereof include a SAP sheet in which a SAP layer is attached to a hydrophilic sheet, and an air-laid sheet in which liquid-absorbent fibers are formed into a sheet by an air-laid method.
  • the absorbent core 211 may be covered with a core wrap 212 such as liquid permeable tissue paper or non-woven fabric.
  • the top sheet 22 is a liquid permeable sheet arranged on the skin side of the absorber 21 in the thickness direction.
  • the leak-proof sheet 23 is a liquid-impermeable sheet arranged on the non-skin side of the absorber 21 in the thickness direction.
  • the exterior sheet 24 is a sheet (for example, a non-woven fabric or the like) arranged on the non-skin side of the leak-proof sheet 23 in the thickness direction.
  • the pair of side sheets 26 are sheets (for example, non-woven fabric or the like) extending outward in the width direction from both side portions in the width direction of the top sheet 22.
  • a pair of elastic members around the legs (for example, rubber thread or elastic sheet) that expand and contract in the longitudinal direction are provided at the edge portion forming the leg circumference opening of the diaper 1, and the diaper 1 is the wearer's leg. Fits around.
  • the leg circumference elastic member 15 is fixed between the side seat 26 and the exterior seat 24 in an elongated state in the longitudinal direction.
  • a pair of leak-proof wall elastic members 16 (for example, thread rubber or elastic sheet) that expand and contract in the longitudinal direction are provided inside the leg circumference elastic member 15 in the width direction.
  • the leak-proof wall elastic member 16 is fixed in an elongated state in the longitudinal direction between the portions where the inner side portion in the width direction of the side sheet 26 is folded outward in the width direction (see FIG. 2B). Due to the contraction of the leak-proof wall elastic member 16, a part of the side sheet 26 stands up on the skin side, and excrement is blocked.
  • the waist gather film 28 is arranged between the absorber 21 and the leak-proof sheet 23 (see FIG. 2C).
  • the waist gather film 28 is a strip-shaped member that expands and contracts along the width direction.
  • the waist gather film 28 imparts elasticity to the dorsal waist circumference portion 7, so that the diaper 1 fits the wearer's waist circumference.
  • a pair of flap portions 14 are provided on both sides of the dorsal waist circumference portion 7 in the width direction.
  • the flap portion 14 is mainly composed of a side seat 26 and an exterior seat 24.
  • the pair of fastening tapes 30 extend from the dorsal waist circumference portion 7 (flap portion 14) to both outer sides in the width direction (lateral direction).
  • the fastening tape 30 is a sheet member (for example, a hydrophobic spunbonded non-woven fabric) having a substantially rectangular shape that is long in the width direction, and extends from a fixing portion 32 fixed to the dorsal waist circumference portion 7 and a dorsal waist circumference portion. It has an extension portion 31 and an extension portion 31.
  • a hook material 33 for example, a male member of a hook-and-loop fastener that engages with the ventral waist circumference 3 is provided on the skin side surface of the fastening tape 30.
  • the target tape 29 is arranged on the non-skin side of the exterior sheet 24 of the ventral waist circumference 3 (see FIG. 2A).
  • the target tape 29 is a member that can be engaged with the hook material 33 of the fastening tape 30, and is made of, for example, a non-woven fabric.
  • the target tape 29 of the present embodiment is a rectangular member along the width direction.
  • the unfolded diaper 1 is folded in half at the center of the longitudinal direction while being applied to the wearer.
  • the pair of flap portions 14 of the dorsal waist circumference portion 7 are folded back inward in the width direction.
  • the hook material 33 of the fastening tape 30 is locked to the target tape 29 of the ventral waist circumference portion 3.
  • diaper 1 is not limited to the above.
  • the diaper 1 may not have the target tape 29, and the hook material 33 of the fastening tape 30 may be directly engaged with the exterior sheet 24.
  • the diaper 1 does not have to have the waist gather film 28 or the exterior sheet 24.
  • FIG. 3A is a cross-sectional view of the ventral side of the diaper 1
  • FIG. 3B is a cross-sectional view of the dorsal side of the diaper 1.
  • FIG. 4 is an exploded perspective view around the fastening tape 30.
  • FIG. 5 is a diagram schematically showing the arrangement of the insect repellent fragrance 40 in the cross section of the fastening tape 30.
  • the diaper 1 is composed of a plurality of materials such as the absorber 21 and the top sheet 22. As shown in FIGS. 3A and 3B, each material of the diaper 1 is bonded to the adjacent materials in the thickness direction with hot melt adhesives A1 to A9. In the diaper 1 of the first embodiment, all the materials are adhered to the adjacent materials with the hot melt adhesives A1 to A9.
  • the present invention is not limited to this, and it is sufficient that at least a part of the plurality of materials possessed by the diaper 1 is adhered with a hot melt adhesive. That is, some materials may be bonded by a method different from the bonding method using a hot melt adhesive (for example, heat welding or the like).
  • the regions where the hot melt adhesives A4, A8, and A9 are arranged are shown by diagonal lines, but the hot melt adhesive may be arranged in the entire region or within the region. It may be partially arranged in. That is, the hot melt adhesive may be solidly coated or may be coated with a well-known coating pattern (for example, spiral pattern, ⁇ pattern, line pattern, etc.).
  • the hot melt adhesive has a base polymer (thermoplastic block copolymer) as a main component and a tackifier (tack fire). Further, if necessary, a wax, a plasticizer, a filler, a stabilizer and the like are included in the hot melt adhesive.
  • the insect repellent fragrance 40 having an insect repellent effect is arranged on the non-skin side portion 301 of the extending portion 31 of the fastening tape 30.
  • the non-skin side of the fastening tape 30 is the side that becomes the outside (the side opposite to the wearer side) when the fastening tape 30 is locked to the target tape 29 when the diaper 1 is worn, and is shown in FIG. This is the side that becomes the lower side of the fastening tape 30 when the unfolded diaper 1 is arranged on the upper side of the skin side.
  • the insect repellent fragrance 40 By arranging the insect repellent fragrance 40 on the diaper 1, it is possible to prevent insects such as mosquitoes from approaching the wearer while wearing the diaper 1 and prevent the wearer from being bitten by the insect. In addition, it is possible to prevent insects from invading during the distribution and storage of the diaper 1, and the diaper 1 can be kept hygienic.
  • the insect repellent fragrance 40 is contained in microcapsules (membrane material).
  • the microcapsules include those in which the capsule collapses due to physical pressure (impact, friction) and the internal insect repellent fragrance 40 is released.
  • a capsule (film material) in which urethane resin, gelatin, gelatin / Arabic rubber, melamine resin, urea / formalin resin and the like are used alone or in combination can be exemplified.
  • the insect repellent fragrance 40 is contained in microcapsules, it is possible to control the timing of functional manifestation and the strength of the function of the insect repellent fragrance. For example, it is possible to prevent the insect repellent fragrance 40 from volatilizing before wearing the diaper 1, and it is possible to exert the insect repellent function while wearing the diaper 1. In addition, in situations where more effect is required, the insect repellent effect can be sustained by rubbing strongly to strengthen the scent, or by rubbing additionally to destroy the remaining capsules if the effect is felt to be weakened. It can enhance the sex. In particular, in the diaper 1 of the first embodiment, the insect repellent fragrance 40 is arranged on the fastening tape 30. Therefore, since the fastening tape 30 is gripped when the diaper 1 is worn, the microcapsules are easily damaged, and the insect repellent function is surely exhibited while the diaper 1 is worn.
  • the weight of the insect repellent fragrance 40 that can be contained in microcapsules is limited. Therefore, the insect repellent effect of the insect repellent fragrance 40 may be insufficient. Further, even if the number of microcapsules is increased in order to increase the weight of the insect repellent fragrance 40, the number of microcapsules that are not damaged tends to increase. Then, the insect repellent fragrance 40 released to the outside does not increase, and the insect repellent effect remains insufficient.
  • the diaper 1 of the first embodiment at least a part of the plurality of materials possessed by the diaper 1 is adhered by a hot melt adhesive containing a tackifier having an insect repellent component.
  • the tackifier having an insect repellent component contains at least one of ⁇ -pinene, ⁇ -pinene, and camphene.
  • ⁇ -Pinene, ⁇ -Pinene, and camphene are known as fragrance components having an insect repellent effect. Therefore, in the diaper 1 of the first embodiment, in addition to the insect repellent function by the insect repellent fragrance 40, the insect repellent function by the hot melt adhesive containing the above-mentioned fragrance component can be obtained, and the insect repellent effect is enhanced. In other words, the weight of the insect repellent fragrance 40 placed on the diaper 1 can be reduced by the amount of the insect repellent effect of the hot melt adhesive containing the tackifier having the insect repellent component, and the cost of the diaper 1 can be reduced.
  • the weight of the insect repellent fragrance 40 that can be contained in the microcapsules may be limited, or there may be microcapsules that are not damaged. .. That is, there is a possibility that the insect repellent effect of the insect repellent fragrance 40 may be insufficient. Even in that case, the insect repellent effect can be supplemented with a hot melt adhesive containing a tackifier having an insect repellent component.
  • a rosin-based resin or a terpene-based resin is used as the tackifier having an insect repellent component.
  • a rosin-based resin include rosins such as gum rosin, tall rosin and wood rosin, hydrogenated rosin, modified rosins such as disproportionated rosin and polymerized rosin, glycerin ester of modified rosin, and rosin such as pentaerythritol ester. Esters and the like can be exemplified.
  • terpene-based resin examples include terpene resins such as ⁇ -pinene-based, ⁇ -pinene-based and dipentene-based resins, aromatic-modified terpene resins, hydrogenated terpene resins, and terpene phenol resins.
  • terpene resins such as ⁇ -pinene-based, ⁇ -pinene-based and dipentene-based resins, aromatic-modified terpene resins, hydrogenated terpene resins, and terpene phenol resins.
  • the hot melt adhesive containing the tackifier having an insect repellent component is also referred to as "insect repellent adhesive IA".
  • tackifier containing no ⁇ -pinene, ⁇ -pinene, and camphene an example using a petroleum-based resin can be exemplified.
  • a hot melt adhesive containing an insect repellent component and not containing a tackifier is also referred to as "non-insect repellent NA”.
  • the insect repellent fragrance 40 is arranged on the non-skin side portion 301 of the extending portion 31 of the fastening tape 30.
  • the fixing portion 32 is sandwiched between the side sheet 26 and the exterior sheet 24, and the extending portion 31 is exposed to the outside. Therefore, since the insect repellent fragrance 40 is arranged in the extending portion 31 rather than the fixed portion 32, the insect repellent fragrance 40 is easily released to the outside of the diaper 1, and the insect repellent effect is enhanced.
  • non-skin side portion 301 of the fastening tape 30 (extending portion 311) is a portion of the fastening tape 30 on the non-skin side of the intermediate position C in the thickness direction, as shown in FIG. Further, the portion of the fastening tape 30 on the skin side of the intermediate position C in the thickness direction is referred to as the skin side portion 302 of the fastening tape 30.
  • the insect repellent fragrance 40 is placed on the non-skin side (outside) of the diaper 1, the more easily it is released to the outside of the diaper 1. Therefore, by arranging the insect repellent fragrance 40 on the non-skin side portion 301 of the fastening tape 30 (extending portion 31), the insect repellent fragrance 40 is easily released to the outside of the diaper 1, and the insect repellent effect is enhanced. In addition, the user of the diaper 1 can easily recognize the scent of the insect repellent fragrance 40. As a result, it is possible to give the user a feeling of expectation for the insect repellent effect, and it becomes easier for the user to realize the insect repellent effect.
  • the insect repellent fragrance 40 is arranged on the non-skin side portion 301 of the fastening tape 30 means that the non-skin side portion 301 has a heavier weight than the skin side portion 302 of the fastening tape 30.
  • the fragrance 40 is arranged.
  • the insect repellent fragrance 40 is arranged only on the non-skin side portion 301 of the fastening tape 30.
  • the adhesive A9 may be an insect repellent adhesive IA. That is, the hot melt adhesive A9 applied at a position close to the insect repellent fragrance 40 may be used as the insect repellent adhesive IA. By doing so, the amount of the active ingredient of the insect repellent is locally increased in the portion where the insect repellent fragrance 40 and the insect repellent adhesive IA (A9) are arranged close to each other, and the insect repellent effect centering on that portion is enhanced.
  • the area where the hot melt adhesive A9 for adhering the hook material 33 to the fastening tape 30 and the insect repellent fragrance 40 are arranged. Partially overlaps with the placement area of.
  • the region where the insect repellent fragrance 40 is arranged may have a portion 401 (see FIG. 4) which overlaps with the region where the insect repellent adhesive IA is arranged. preferable.
  • the insect repellent fragrance 40 and the insect repellent adhesive IA (A9) overlap the amount of the active ingredient of the insect repellent is locally increased, and the insect repellent effect centering on that portion is enhanced. From this point as well, it can be said that it is preferable to use the insect repellent adhesive IA as the hot melt adhesive A9 for adhering the hook material 33.
  • the diaper 1 when confirming the arrangement relationship between the insect repellent fragrance 40 and the insect repellent adhesive IA, it is advisable to carry out the diaper 1 in an unfolded and stretched state (the same applies hereinafter).
  • the stretched state means that the size of each material constituting the diaper 1 is equal to or close to the size of the material itself in a state where it is not affected by the elastic member. Is in an extended state.
  • the left and right joints around the waist unfolded it is advisable to check with the left and right joints around the waist unfolded.
  • the insect repellent fragrance 40 is arranged on the non-skin side of the insect repellent adhesive IA (A9) that adheres the hook material 33 to the fastening tape 30 in the thickness direction of the diaper 1. .. Therefore, the insect repellent fragrance 40 is easily released to the outside of the diaper 1, and the insect repellent effect of the insect repellent fragrance 40 is enhanced. In addition, the user can easily recognize the scent of the insect repellent fragrance 40.
  • the hot melt adhesive A9 for adhering the hook material 33 may be the insect repellent adhesive IA.
  • the hot melt adhesive A8 for fixing the fastening tape 30 to the side sheet 26 and the hot melt adhesive A4 for fixing the fastening tape 30 to the exterior sheet 24 may be used as the insect repellent adhesive IA.
  • the insect repellent adhesive IA has a larger weight placed on the diaper 1 than the insect repellent fragrance 40. That is, instead of increasing the insect repellent fragrance 40 to enhance the insect repellent effect, the weight of the insect repellent adhesive IA having both the function of adhering the material of the diaper 1 and the insect repellent function is increased, so that the cost of the diaper 1 is low. Can be achieved.
  • the arrangement of the insect repellent adhesive IA is not limited to the position close to the insect repellent fragrance 40.
  • the absorber 21 of the diaper 1 is a relatively thick member. Therefore, the hot melt adhesives A1 and A2 applied to the skin side of the absorber 21 and the hot melt adhesive A3 applied to the inside of the absorber 21 are hot applied to the non-skin side of the absorber 21. Compared to melt adhesives, the scent is less likely to be released to the outside of diaper 1. Therefore, the insect repellent adhesive IA may be used as the hot melt adhesive that adheres the non-skin side materials arranged on the non-skin side of the absorber 21. By doing so, the scent of the insect repellent adhesive IA containing at least one of ⁇ -pinene, ⁇ -pinene, and camphene is easily released to the outside of the diaper 1, and the insect repellent effect is enhanced.
  • the leak-proof sheet 23 which is a liquid-impermeable sheet, has a lower air permeability than the liquid-permeable sheet (for example, an exterior sheet 24 made of a non-woven fabric), and the scent of the insect-proof adhesive IA is a leak-proof sheet. It is difficult to pass through 23. Therefore, it is preferable that the insect repellent adhesive IA is arranged on the non-skin side of the leak-proof sheet 23 in the thickness direction of the diaper 1. That is, it is preferable that at least a part of the insect repellent adhesive IA arranged on the diaper 1 is arranged on the non-skin side of the leak-proof sheet 23. By doing so, the scent of the insect repellent adhesive IA containing at least one of ⁇ -pinene, ⁇ -pinene, and camphene is easily released to the outside of the diaper 1, and the insect repellent effect is enhanced.
  • the hot melt adhesive A7 that adheres the exterior sheet 24 and the target tape 29 is the insect repellent adhesive IA.
  • the hot melt adhesive A5 for adhering the above is also an insect repellent adhesive IA.
  • the insect repellent fragrance 40 is arranged on the fastening tape 30.
  • the insect repellent effect of the insect repellent fragrance 40 is high on the ventral side of the wearer and lower on the dorsal side of the wearer than on the ventral side.
  • the hot melt adhesive A6 for adhering the leak-proof sheet 23 and the exterior sheet 24 and the hot melt adhesive A4 for adhering the absorber 21 and the leak-proof sheet 23 are arranged over a wide range of the diaper 1. Therefore, by using such hot melt adhesives A6 and A4 as the insect repellent adhesive IA, the insect repellent effect of the insect repellent adhesive IA can be obtained over a wide range of the diaper 1. That is, in the region where the insect repellent fragrance 40 is not arranged, the insect repellent effect can be supplemented by the insect repellent adhesive IA.
  • the material for arranging the insect repellent adhesive IA is not limited to the above, and it is sufficient that at least a part of the plurality of materials possessed by the diaper 1 is adhered with the insect repellent adhesive IA.
  • the hot melt adhesives A1 and A2 applied to the skin side of the absorber 21 and the hot melt adhesive A3 applied to the inside of the absorber 21 are the non-insect-proof adhesive NA.
  • these may be insect repellent adhesives IA.
  • the hot melt adhesive around the fastening tape 30 and the hot melt adhesive on the non-skin side of the absorber 21 are not limited to the insect-proof adhesive IA, but may be the non-insect-proof adhesive NA. ..
  • a hot melt adhesive for fixing the leg circumference elastic member 15 and the leak-proof wall elastic member 16 and a hot melt adhesive for forming a leak-proof wall using the side sheet 26 are used for insect-proof adhesion.
  • Agent IA may be used.
  • a part of the plurality of materials possessed by the diaper 1 is adhered by the insect repellent adhesive IA, and another part of the plurality of materials is a non-insect repellent adhesive. It is glued by NA. Therefore, by using the non-insect repellent adhesive NA while enhancing the insect repellent effect by the insect repellent adhesive IA, it is possible to use a hot melt adhesive suitable for each part of the diaper 1.
  • the present invention is not limited to this, and all the hot melt adhesives used in the diaper 1 may be the insect repellent adhesive IA.
  • the confirmation that the insect repellent adhesive IA is used for the diaper 1, the confirmation of the material and area where the insect repellent adhesive IA is placed, and the confirmation of the weight of the insect repellent adhesive IA are performed by a well-known method. It is good. For example, for the materials and areas where the insect-proof adhesive IA is placed, after separating each material from diaper 1 using cold spray or the like, visually check it, or color each material such as bamboo charcoal or cocoa powder. After sprinkling fine particles, the particles can be wiped off and the spots where the particles adhere can be confirmed.
  • the insect-proof adhesive is IA, and its weight
  • a material in which the hot melt adhesive is placed is placed in a container and sealed, and a gas chromatograph device (GC-MS) is used.
  • GC-MS gas chromatograph device
  • the weight of the insect repellent adhesive IA can be calculated from the difference between the weight of the material before and after elution of the insect repellent adhesive IA placed on the material into toluene (the weight of the material in a dry state).
  • the insect repellent fragrance 40 is placed by a well-known method. For example, by analyzing the components of each material separated from the diaper 1 using a gas chromatograph device (GC-MS), whether or not the insect repellent fragrance 40 is placed on the material, and the weight of the insect repellent fragrance 40. Can be confirmed.
  • GC-MS gas chromatograph device
  • the insect repellent fragrance 40 is contained in microcapsules, for example, by observing the surface or cross section of the material with an electron microscope, the material or region in which the insect repellent fragrance 40 is arranged can be confirmed.
  • the insect repellent fragrance 40 is arranged on the non-skin side portion 301 of the extending portion 31 of the fastening tape 30. Further, the weight of the insect repellent fragrance 40 (microcapsules) that has entered the inside of the fastening tape 30 is heavier than the weight of the insect repellent fragrance 40 located on the non-skin side surface 30b of the fastening tape 30. Is preferable. By doing so, it is possible to prevent the microcapsules from easily disintegrating and releasing the insect repellent fragrance 40, and the sustainability of the insect repellent effect is enhanced.
  • the non-skin side surface 30b of the fastening tape 30 is a surface having the most protruding fiber as the apex of the non-woven fabric fiber layer constituting the fastening tape 30, and the inner portion thereof is the inside of the fastening tape 30.
  • the average particle size (for example, 5 to 15 ⁇ m) of the insect repellent fragrance 40 is made smaller than the average fiber diameter (for example, 20 ⁇ m) of the fastening tape 30.
  • the weight of the insect repellent fragrance 40 having a particle size smaller than the average fiber diameter (20 ⁇ m) of the fastening tape 30 is the weight of the insect repellent fragrance 40 having a particle size larger than the average fiber diameter (20 ⁇ m) of the fastening tape 30. More than weight.
  • the particle size of the microcapsules containing the insect repellent fragrance 40 is preferably 0.1 ⁇ m or more (preferably 0.5 ⁇ m or more).
  • a liquid in which the insect repellent fragrance 40 contained in the microcapsules is dispersed is applied to the non-skin side surface 30b of the fastening tape 30.
  • a well-known method such as a spraying method, a roller coating method, or a brush coating method can be adopted.
  • the aqueous dispersion in which PVA (polyvinyl alcohol) having an adhesive function is blended and microcapsules containing the insect repellent fragrance 40 are dispersed in water is not applied to the fastening tape 30. Apply to the skin side surface 30b.
  • a hydrophilic agent (0.3%, polyoxyethylene sorbitan monooleate)
  • a defoaming agent (0.2%, polyoxyethylene polyoxypropylene glycol (block copolymer)
  • the fastening tape 30 may be a hydrophobic non-woven fabric or a non-woven fabric having a relatively high basis weight. By doing so, the aqueous dispersion does not move much in the fastening tape 30, and the microcapsules (insect repellent fragrance 40) tend to stay on the non-skin side portion 301 of the fastening tape 30.
  • the insect repellent fragrance 40 when the insect repellent fragrance 40 is arranged on the fastening tape 30, it is not limited to being arranged on the non-skin side portion 301 of the extending portion 31 of the fastening tape 30 as in the present embodiment.
  • the insect repellent fragrance 40 may be arranged on the skin side portion 302 of the extending portion 31 of the fastening tape 30, or may be arranged on the entire thickness direction of the fastening tape 30. Further, it may be arranged on the fixing portion 32 of the fastening tape 30.
  • the method of arranging the insect repellent fragrance 40 on the diaper 1 is not limited to the method of applying the dispersion liquid of the insect repellent fragrance 40 contained in the microcapsules to the material as described above.
  • a solution of the insect repellent fragrance 40 not contained in the microcapsules may be applied to the material.
  • the material for arranging the insect repellent fragrance 40 may be impregnated into the solution of the insect repellent fragrance 40, or the insect repellent fragrance 40 may be kneaded into the fibers constituting the material.
  • the insect repellent fragrance 40 may be kneaded into wax and placed in the material so that the insect repellent fragrance 40 is released by the user rubbing or applying heat.
  • the area where the insect repellent fragrance 40 is arranged is covered with tape, and the user peels off the tape when using the diaper 1. You may do so. By doing so, it is possible to prevent the volatilization of the insect repellent fragrance.
  • the insect repellent fragrance 40 is not particularly limited as long as it is a fragrance having an insect repellent effect.
  • the boiling point of ⁇ -pinene (155-156 ° C.), the boiling point of ⁇ -pinene (165-167 ° C.), and the boiling point of camphene (159 ° C.) contained in the insect repellent adhesive IA are among the fragrances having an insect repellent effect. Relatively low. Therefore, the insect repellent fragrance 40 preferably contains ⁇ -pinene, ⁇ -pinene, and a fragrance having a boiling point higher than that of camphene.
  • the insect repellent effect is obtained in the initial stage, that is, when the user takes out the diaper 1 from the package or when the diaper 1 is put on.
  • the user can be made aware of the scent of insect repellent from the initial stage. (Can appeal).
  • the fragrance having a high boiling point contained in the insect repellent fragrance 40 takes time to volatilize. Therefore, the high boiling point fragrance can enhance the sustainability of the insect repellent effect.
  • the fragrance having a boiling point higher than that of ⁇ -pinene or the like preferably contains at least one fragrance having a boiling point of 200 ° C. or higher and 220 ° C. or lower selected from the group (A).
  • the fragrances of group (A) are citronellal, menthol, ⁇ -terpineol, linalyl acetate, isopulegol, ethyllinalool, terpinyl acetate, geranyl formate, menthone, borneol and camphor.
  • the insect repellent fragrance 40 contains a solvent (for example, isopropyl myristate) in addition to the fragrance.
  • the fragrance for insect repellent 40 has a boiling point higher than that of ⁇ -pinene or the like, and is a fragrance having a boiling point higher than 220 ° C. and 270 ° C. or lower selected from the group (C) in addition to the fragrance of the group (A). It is preferable to contain at least one kind.
  • the fragrances of group (C) are isobornyl acetate, p-menthane-3,8-diol, 2- (tert-butyl) cyclohexyl acetate, dihydroterpinyl acetate, nerol, 4-tert-butyl cyclohexyl acetate, and citro.
  • the insect repellent fragrance 40 is not limited to those containing only the fragrance of the group (A) and those containing at least one type of the fragrance of the group (A) and the fragrance of the group (C) as described above.
  • it may contain only the fragrance of group (C).
  • the insect repellent fragrance 40 is contained in microcapsules. By doing so, the sustainability of the insect repellent fragrance 40 is enhanced. Therefore, ⁇ -pinene, ⁇ -pinene, and camphene having a low boiling point contained in the insect repellent adhesive IA are released from an early stage, and an insect repellent effect can be obtained. In addition, the user can be made aware of the scent of insect repellent from the initial stage. On the other hand, the insect repellent fragrance 40 contained in the microcapsules can enhance the sustainability of the insect repellent effect.
  • the insect repellent fragrance 40 preferably contains a plurality of fragrances having different boiling points.
  • the insect repellent fragrance 40 has a boiling point lower than that of the fragrance selected from the group (A) and the fragrance of the group (A), and the boiling point selected from the group (B) is 150 ° C. or higher and lower than 200 ° C. It is advisable to include at least one type of fragrance. By doing so, the fragrance selected from the group (B) can make the user recognize the scent of the insect repellent fragrance 40 at an initial stage. Then, the insect repellent effect can be obtained by the fragrance selected from the group (A).
  • the fragrances of group (B) are menthan, tetrahydrolinalol, dihydromilsenol, ossimenol, ossimen, milsen, ⁇ -ferrandrene, ⁇ -terpinene, ⁇ -terpinene, terpinene, 3-calene, 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, tetrahydromugor, 4-tunol, n-heptanol, n-octanol, 3,5,5-trimethylhexanal, c
  • the insect repellent fragrance 40 has a weight ratio of the group (A) higher than that of the group (B) in the components.
  • the fragrance of the group (A) having a high weight ratio can appropriately secure the insect repellent effect and its sustainability.
  • the function of the group (B) can be assisted by ⁇ -pinene or the like contained in the insect repellent adhesive IA. That is, the user can be made aware of the insect repellent effect by the scent, and the user can be given a sense of expectation for the insect repellent effect.
  • the insect repellent fragrance 40 is as follows. That is, citronellal 30-40%, 1.8-cineole 10-15%, isobornyl acetate 10-15%, etc. as fragrances with respect to 50% isopropyl myristate (weight ratio; the same applies hereinafter) as a solvent. Less than 1% of the fragrance is added. Less than 1% of "other fragrances" includes at least one fragrance selected from group (B). For example, Mentan is included.
  • the fragrances of the (A) group, the (B) group, and the (C) group are allergen-free substances. Therefore, it is possible to provide the user with a sense of security regarding allergies.
  • some of the fragrances in groups (A) to (C) are required to be labeled as allergen substances in the EU (European Union) Cosmetics Directive (76/768 / EEC). Contains no fragrances of any kind. Therefore, it is possible to provide the user with a sense of security regarding allergies.
  • the 26 kinds of fragrances are ⁇ -isomethylionone, amylkeihaldehyde, amylcinnamyl alcohol, anis alcohol, benzyl alcohol, benzyl benzoate, benzyl silicate, benzyl salicylate, butylhenylmethylpropional, keihyaldehyde, and keihi.
  • fragrances are substantially not contained, and the above fragrances are completely not contained (not present at all). ) Does not mean that. If the ratio of the fragrance to the insect repellent fragrance (solvent + fragrance) is 1% or less, it can be said that the fragrance is substantially not contained.
  • the fragrances of the (A) group, the (B) group, and the (C) group do not impair the adhesive performance of the hot melt adhesive. Therefore, the fragrance volatilized in the package (packaging material) before the use of the diaper 1 acts on the hot melt adhesive to prevent the diaper 1 from peeling off or the like. Therefore, it is possible to appropriately maintain the performance of the diaper 1.
  • Insect repellent fragrances that impair the adhesive performance of hot melt adhesives include limonene, phenylacetaldehyde, methyl salicylate, thymol, methylisooygenol, coumarin, ⁇ -phenylethyl alcohol, cymene, eugenol, carbachlor, and phenylethyl acetate. , Saflor, benzyl acetate, thyralyl acetate, anisyl acetate, cinnamyl acetate, cuminaldehyde, diphenyl oxide, cinnamyl formate.
  • the fragrances of the group (A) to the fragrances of the group (C) do not contain any of these (the definition of "not contained" is the same as described above).
  • fragrances can be broadly divided into natural fragrances and synthetic fragrances. Since the synthetic fragrance is a chemically synthesized fragrance, it does not contain various fragrance components. Examples of synthetic fragrances include isolated fragrances, total synthetic fragrances, semi-synthetic fragrances, and biosynthetic fragrances. For example, by using only the synthetic fragrance, it is possible to appropriately avoid the contamination of substances that are not desired to be contained in the insect repellent fragrance 40 (for example, the above-mentioned allergen substance and hot melt adhesive inhibitor).
  • the insect repellent fragrance 40 may contain a natural fragrance.
  • the natural fragrance may be a natural essential oil or the like as an example, and is a fragrance directly taken from a natural plant or the like.
  • the insect repellent fragrance 40 may contain a fragrance derived from any of lemongrass, citronella, and lemon eucalyptus. By doing so, a component having an insect repellent effect (for example, citronellal, citral, geraniol, geranyl acetate, isopulegol, citronellol, etc.) is imparted to the diaper 1.
  • natural essential oils are relatively easy to obtain and are preferable because they contain a large amount of compounds that are active ingredients for insect repellent.
  • FIG. 8 is an exploded perspective view of the periphery of the exterior sheet 24 in the modified example diaper 1.
  • the insect repellent fragrance 40 is arranged on the exterior sheet 24.
  • the insect repellent fragrance 40 is arranged on the non-skin side in the thickness direction of the diaper 1 rather than the leak-proof sheet 23.
  • the insect repellent fragrance 40 may be arranged on the exterior sheet 24 as in the present embodiment, or the insect repellent fragrance 40 may be arranged on the target tape 29 as shown in FIG. 9A described later. By doing so, the scent of the insect repellent fragrance 40 is easily released to the outside of the diaper 1, and the insect repellent effect is enhanced. In addition, the user of the diaper 1 can easily recognize the scent of the insect repellent fragrance 40.
  • the insect repellent fragrance 40 is arranged on the fastening tape 30 as in the diaper 1 of the first embodiment, the insect repellent fragrance 40 is arranged on the ventral side of the wearer.
  • the exterior sheet 24 forms the outer shape of the diaper 1, it is not limited to the ventral side of the wearer, but is used for insect repellent at the position of the diaper 1 corresponding to the desired part of the wearer such as the dorsal side and the undercarriage.
  • the fragrance 40 can be placed.
  • the insect repellent fragrance 40 can be placed over a wide range of the diaper 1.
  • the insect repellent fragrance 40 may be arranged on the entire surface of the exterior sheet 24 in the thickness direction, or may be arranged on the skin side portion or the non-skin side portion of the exterior sheet 24. Specifically, by applying the insect repellent fragrance 40 from the skin side of the exterior sheet 24, more insect repellent fragrance 40 is arranged on the skin side portion than the intermediate position in the thickness direction of the exterior sheet 24. It is good to do it. In this case, the sustainability of the insect repellent fragrance 40 can be enhanced. Alternatively, by applying the insect repellent fragrance 40 from the non-skin side of the exterior sheet 24, a larger amount of the insect repellent fragrance 40 is arranged on the non-skin side of the exterior sheet 24 from the intermediate position in the thickness direction. May be good. In this case, the insect repellent fragrance 40 is easily released to the outside of the diaper 1, the insect repellent effect is enhanced, and the user can easily recognize the scent of the insect repellent fragrance 40.
  • the exterior sheet 24 has a portion covered with the target tape 29 from the non-skin side as shown in FIG. 6A and a portion serving as the outermost layer (non-skin side surface) of the diaper 1 as shown in FIG. 6B.
  • the target tape 29 may be a breathable sheet (for example, a non-woven fabric). Therefore, the insect repellent fragrance 40 arranged at the portion of the exterior sheet 24 that overlaps with the target tape 29 (FIG. 6A) can be prevented from volatilizing more immediately than the insect repellent fragrance 40 arranged at the portion that does not overlap.
  • the insect repellent fragrance 40 arranged at the portion of the exterior sheet 24 (FIG. 6B) which is the outermost layer of the diaper 1, is easily released to the outside of the diaper 1, the insect repellent effect is enhanced, and the user can use the insect repellent fragrance 40. It becomes easier to recognize the scent of.
  • At least a part of the plurality of materials contains an insect repellent containing an insect repellent component (at least one of ⁇ -pinene, ⁇ -pinene, and camphene). It is adhered by the adhesive IA. By doing so, the insect repellent effect of the diaper 1 can be enhanced.
  • the hot melt adhesive A7 that adheres the target tape 29 to the exterior sheet 24 may be used as the insect repellent adhesive IA. That is, it is preferable that the insect repellent adhesive IA is arranged on the non-skin side of the insect repellent fragrance 40 in the thickness direction of the diaper 1.
  • the scent of the insect repellent adhesive IA containing at least one of ⁇ -pinene, ⁇ -pinene, and camphene is easily released to the outside of the diaper 1. Therefore, the insect repellent effect of the insect repellent adhesive IA is enhanced, and the scent of insect repellent is easily recognized by the user.
  • the insect repellent fragrance 40 arranged on the skin side of the insect repellent adhesive IA can prevent the insect repellent fragrance 40 from being immediately volatilized, and can enhance the sustainability of the insect repellent fragrance 40.
  • the insect repellent fragrance 40 is arranged at the portion of the exterior sheet 24 that overlaps with the target tape 29. Therefore, when the diaper 1 is viewed in a plan view in the thickness direction, the region where the insect repellent fragrance 40 is arranged has a portion that overlaps with the region where the insect repellent adhesive IA is arranged. By doing so, the amount of the active ingredient of the insect repellent is locally increased in the portion where the insect repellent fragrance 40 and the insect repellent adhesive IA overlap, and the insect repellent effect centering on that portion is enhanced.
  • the scent of the hot melt adhesive arranged on the non-skin side of the absorber 21 and the leak-proof sheet 23 is easily released to the outside of the diaper 1. Therefore, in FIGS. 6A and 6B, the hot melt adhesive A4 for adhering the absorber 21 and the waist gather film 28 or the leak-proof sheet 23, and the hot melt adhesive A5 for adhering the waist gather film 28 and the leak-proof sheet 23.
  • the hot melt adhesive A6 that adheres the leak-proof sheet 23 and the exterior sheet 24 is also an insect-proof adhesive IA.
  • the present invention is not limited to the above, and it is sufficient that at least a part of the plurality of materials possessed by the diaper 1 is adhered with the insect repellent adhesive IA.
  • the insect repellent adhesive IA For example, in the modified examples shown in FIGS. 7A and 7B, only the hot melt adhesive A7 that adheres the target tape 29 to the exterior sheet 24 is used as the insect repellent adhesive IA.
  • the insect repellent fragrance 40 is arranged at the portion of the exterior sheet 24 that does not overlap with the target tape 29 in the thickness direction of the diaper 1. That is, when the diaper 1 is viewed in a plan view in the thickness direction, the region where the insect repellent fragrance 40 is arranged may not have a portion that overlaps with the region where the insect repellent adhesive IA is arranged.
  • the insect repellent effect can be obtained by the insect repellent component ( ⁇ -pinene, ⁇ -pinene, camphene) contained in the insect repellent adhesive IA. That is, the insect repellent adhesive IA can obtain an insect repellent effect over a wide range of the diaper 1 while suppressing the arrangement area of the insect repellent fragrance 40 and reducing the cost.
  • the insect repellent component ⁇ -pinene, ⁇ -pinene, camphene
  • FIGS. 9A and 9B are explanatory views of the hot melt adhesives A1 to A9 used in the diaper 1 of the other embodiment.
  • the insect repellent fragrance 40 may be placed on any of the plurality of materials contained in the diaper 1.
  • the insect repellent fragrance 40 may be placed inside the absorber 21.
  • the insect repellent fragrance 40 may be arranged on the target tape 29.
  • the insect repellent fragrance 40 is more than the hot melt adhesive (insect repellent adhesive IA) in the thickness direction. Placed on the non-skin side. Therefore, the insect repellent fragrance 40 is easily released to the outside of the diaper 1, the insect repellent effect is enhanced, and the user can easily recognize the insect repellent fragrance 40.
  • the hot melt adhesive around the fastening tape 30 may be used as the insect repellent adhesive IA.
  • the amount of the active ingredient for insect repellent is locally increased in the portion where the insect repellent fragrance 40 and the insect repellent adhesive IA are arranged close to each other, and the insect repellent effect centering on that portion is enhanced.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

L'invention concerne un article absorbant (1) qui comprend de multiples matériaux et au sein duquel est disposé un parfum insectifuge (40). L'article absorbant (1) est caractérisé en ce qu'au moins une partie des multiples matériaux est collée par un adhésif thermofusible (IA) contenant un agent collant comportant un composant insectifuge, et en ce que l'agent collant comportant le composant insectifuge contient de l'α-pinène et/ou du β-pinène et/ou du camphène.
PCT/JP2021/029481 2020-08-28 2021-08-10 Article absorbant WO2022044790A1 (fr)

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JP2020-144986 2020-08-28
JP2020144986A JP2022039792A (ja) 2020-08-28 2020-08-28 吸収性物品

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WO2022044790A1 true WO2022044790A1 (fr) 2022-03-03

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JP2017529210A (ja) * 2014-09-09 2017-10-05 エイチ．ビー．フラー カンパニー 使い捨て衣類
JP2017035437A (ja) * 2015-08-07 2017-02-16 山田　菊夫 下半身用使い捨て繊維製品の製造方法
JP2017078142A (ja) * 2015-10-22 2017-04-27 株式会社ニトムズ 超小型固定用テープおよびそれを含む物品
JP2018103483A (ja) * 2016-12-27 2018-07-05 山田　菊夫 使い捨て繊維製品用生地
JP2018157943A (ja) * 2017-03-22 2018-10-11 株式会社リブドゥコーポレーション 吸収性物品包装体
JP2019126445A (ja) * 2018-01-23 2019-08-01 株式会社リブドゥコーポレーション 吸収性物品包装体
CN108451927A (zh) * 2018-05-08 2018-08-28 东莞市广易中医药发展有限公司 莞香沉香微胶囊的制备方法以及卫生巾及其制备方法
JP6649535B1 (ja) * 2019-08-30 2020-02-19 ユニ・チャーム株式会社 吸収性物品

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