WO2021038873A1 - Article absorbant - Google Patents

Article absorbant Download PDF

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Publication number
WO2021038873A1
WO2021038873A1 PCT/JP2019/034280 JP2019034280W WO2021038873A1 WO 2021038873 A1 WO2021038873 A1 WO 2021038873A1 JP 2019034280 W JP2019034280 W JP 2019034280W WO 2021038873 A1 WO2021038873 A1 WO 2021038873A1
Authority
WO
WIPO (PCT)
Prior art keywords
absorbent article
insect repellent
acetate
fragrance
fragrance composition
Prior art date
Application number
PCT/JP2019/034280
Other languages
English (en)
Japanese (ja)
Inventor
山口　正史
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 JP2019566714A priority Critical patent/JP6754017B1/ja
Priority to PCT/JP2019/034280 priority patent/WO2021038873A1/fr
Priority to BR112021026001A priority patent/BR112021026001A2/pt
Priority to SG11202012840YA priority patent/SG11202012840YA/en
Priority to PCT/JP2020/032695 priority patent/WO2021039999A1/fr
Publication of WO2021038873A1 publication Critical patent/WO2021038873A1/fr

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    • 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
    • A61F13/56—Supporting or fastening means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/20—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing organic materials

Definitions

  • the present invention relates to an absorbent article.
  • absorbent articles that have an absorbent body that absorbs liquid and are worn on the body are already well known. Examples of such absorbent articles include disposable diapers.
  • Some of these absorbent articles are provided with an insect repellent fragrance composition.
  • the fragrance volatilized (diffused) immediately, which was not appropriate from the viewpoint of sustainability of the insect repellent effect.
  • volatilization (diffusion) of the initial fragrance is suppressed in order to enhance the sustainability of the insect repellent effect, it is not possible to appeal (give a sense of expectation) to the user by the scent of the insect repellent effect. Occurs.
  • the present invention has been made in view of the above problems, and an object of the present invention is to give the user a sense of expectation for the insect repellent effect while ensuring the sustainability of the insect repellent effect.
  • the main invention for achieving the above object contains at least one fragrance having a boiling point of 200 to 220 ° C. selected from the group (A) and a fragrance having a boiling point of 150 to 200 ° C. selected from the group (B). It is an absorbent article characterized by comprising an insect repellent fragrance composition in which the weight ratio of the group (A) in the components is higher than the weight ratio of the group (B).
  • FIG. 2A to 2C are exploded explanatory views of each part of the diaper 1 according to the present embodiment.
  • FIG. 2A is an exploded explanatory view of the front portion 3.
  • FIG. 2B is an exploded explanatory view of the inseam 5.
  • FIG. 2C is an exploded explanatory view of the rear portion 7. It is an enlarged view of the surface of the strip-shaped sheet 33 on the non-skin side.
  • It contains at least one fragrance having a boiling point of 200 to 220 ° C. selected from the group (A) and a fragrance having a boiling point of 150 to 200 ° C. selected from the group (B), and the weight ratio of the group (A) in the components is (B)
  • An absorbent article comprising a fragrance composition for insect repellent, which is higher than the weight ratio of the group.
  • the insect repellent fragrance composition contains at least one fragrance having a boiling point of 220 to 270 ° C. selected from the group (C).
  • Such an absorbent article It is desirable to have a hot melt adhesive.
  • the insect repellent fragrance composition does not contain any of terpinene, limonene, phenylacetaldehyde, methyl salicylate, thymol, methyl isoeugenol, coumarin, ⁇ -phenylethyl alcohol, cymene, eugenol and carvacrol.
  • insect repellent fragrance composition does not contain any of the following 26 types of fragrances.
  • insect repellent fragrance composition comprises only synthetic fragrances.
  • Such an absorbent article It is desirable to provide an accommodating member for accommodating the insect repellent fragrance composition.
  • Such an absorbent article The absorbent article is worn against the body and A hydrophobic non-woven fabric and insect repellent microcapsules provided on the non-skin side of the non-woven fabric and having the insect repellent fragrance composition and the accommodating member are provided. It is desirable that the insect repellent microcapsules enter the inside of the non-woven fabric without reaching the skin side surface of the non-woven fabric.
  • an insect repellent microcapsule that releases the insect repellent fragrance from the accommodating member when a pressure P is applied, and the insect repellent fragrance from the accommodating member even when a pressure 2P twice the pressure P is applied. It is desirable to have insect repellent microcapsules that do not release.
  • the user can adjust the amount of the insect repellent fragrance released according to the risk of insect bites.
  • Such an absorbent article It has a coated portion coated with a plurality of insect repellent microcapsules having the insect repellent fragrance composition and the containing member.
  • the plurality of insect repellent microcapsules A damaged capsule in which the insect repellent microcapsule is damaged, and It is desirable that the insect repellent microcapsules have undamaged undamaged capsules.
  • the user or the wearer can recognize the effect of the insect repellent fragrance that has flowed out of the damaged capsule when it is taken out from the packaging material, and the non-damaged capsule before and during wearing. By breaking, it becomes easier to recognize the effect of the insect repellent fragrance composition during wearing.
  • the coated portion has a processed trace portion in which the number of broken capsules per unit area is larger than the number of unbroken capsules per unit area.
  • the processed trace portion can surely provide the damaged capsule and the non-damaged capsule by the absorbent article, so that the effect of the insect repellent fragrance composition can be obtained both before and during wearing. It will be easier to recognize.
  • Such an absorbent article In the state taken out from the packaging material
  • the coated portion has an unprocessed trace portion in which the number of undamaged capsules per unit area is larger than the number of broken capsules per unit area. It is desirable that the area of the non-processed trace portion is larger than the area of the processed trace portion.
  • an absorbent article when worn, the wearer or the like can more exert the effect of the insect repellent fragrance composition, such as damaging the undamaged capsule according to the effect of the insect repellent fragrance.
  • Such an absorbent article In the state taken out from the packaging material At least a part of the absorbent article is folded at the fold line.
  • the processing mark portion is the folding line portion. It is desirable that the broken capsule is provided at the folded line portion.
  • Such an absorbent article In the deployed state It is desirable that the broken capsule is provided at the outer end of the absorbent article.
  • the impact in the cutting step of forming the outer end portion of the absorbent article provided with the coated portion makes it easier to form a broken capsule, and the capsule is more reliably contained in the packaging material. From the state of being, it becomes easy to exert the effect of the fragrance composition for insect repellent.
  • Such an absorbent article Has a fastening tape part, It is desirable that the coating portion is provided on the fastening tape portion.
  • the fastening tape portion is a portion that is particularly likely to be grasped by hand when the absorbent article is attached, so that it becomes easier to form a broken capsule when the absorbent article is attached more reliably. , It becomes easy to exert the effect of the insect repellent fragrance composition in the wearing state.
  • Such an absorbent article It is desirable that the broken capsule is provided at the tip of the fastening tape portion.
  • the impact in the cutting process at the time of forming the fastening tape portion makes it easier to form a broken capsule, and the effect of the insect repellent fragrance composition from the state of being more reliably contained in the packaging material. It becomes easier to exert.
  • the fastening tape portion is a tape fold line along the vertical direction, and the side surface of the skin is folded inward.
  • the fastening tape portion has a squeezing portion for maintaining a folded state. It is desirable that the broken capsule is provided in the squeezed portion.
  • the pressure for forming the pressed portion facilitates the formation of broken capsules, and the effect of the insect repellent fragrance composition is exhibited from the state where the capsule is more reliably contained in the packaging material. It will be easier to make it.
  • the 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).
  • FIG. 1 is a plan view of the unfolded state of the diaper 1 according to the present embodiment (meaning that the diaper 1 is stretched so as not to have wrinkles).
  • 2A to 2C are exploded explanatory views of each part of the diaper 1 according to the present embodiment.
  • FIG. 2A is an exploded explanatory view of the front portion 3.
  • FIG. 2B is an exploded explanatory view of the inseam 5.
  • FIG. 2C is an exploded explanatory view of the rear portion 7.
  • the diaper 1 of the present embodiment has a front portion 3, an inseam portion 5, and a rear portion 7.
  • the front portion 3 is a portion (girth portion) that will be located in the front portion (ventral side) of the wearer.
  • the rear portion 7 is a portion (girth portion) that will be located at the rear portion (dorsal side) of the wearer.
  • the inseam 5 is a portion that will be located between the front 3 and the rear 7.
  • each direction is defined as shown in FIG. That is, the direction from the front portion 3 to the rear portion 7 is defined as the "product longitudinal direction L", and the direction intersecting the product longitudinal direction L is defined as the “product width direction W”.
  • the CL shown in FIG. 1 is a line indicating the center of the diaper 1 (referred to as the diaper center CL) in the product longitudinal direction L.
  • the direction intersecting the product longitudinal direction L and the product width direction W is defined as the "thickness direction”
  • the diaper 1 is worn on the skin side of the wearer (diaper 1 corresponds to the human body (body)).
  • the side closer to the skin is referred to as the "skin side”
  • the opposite side the side farther from the skin when the diaper 1 is worn on the human body
  • the diaper 1 has an absorber 21, a top sheet 22, a leak-proof sheet 23, a back sheet 24, a skin-side sheet 26, a waist gather film 28, a fastening tape portion 30, and a target tape 29. There is. Then, each of these members is joined to an adjacent member with a hot melt adhesive.
  • the absorber 21 is for absorbing a liquid. That is, the absorber 21 is a member (absorbent core) formed by laminating a liquid-absorbing material capable of absorbing excrement such as urine, and is arranged over the front portion 3, the inseam portion 5, and the rear portion 7. ing.
  • the area indicated by the shaded area in FIG. 1 indicates the area occupied by the absorber 21.
  • the absorber 21 according to the present embodiment has an hourglass shape such that the width in the central portion in the longitudinal direction L of the product is narrowed.
  • the shape of the absorber 21 is not limited to the shape shown in FIG. 1, and may be a simple rectangle. Further, the absorber 21 may be provided at least in the inseam 5.
  • the absorber 21 is wrapped in a core wrap 25 made of a liquid permeable sheet (nonwoven fabric), and is arranged between the top sheet 22 and the leak-proof sheet 23 in the thickness direction.
  • a liquid-absorbing fiber such as pulp fiber or a liquid-absorbing granular material such as a highly absorbent polymer can be used. Further, it may contain a liquid-absorbing material other than the liquid-absorbing fiber and the liquid-absorbing granule.
  • the top sheet 22 is a liquid permeable member arranged on the skin side of the absorber 21.
  • the leak-proof sheet 23 is a liquid-impermeable member arranged on the non-skin side of the absorber 21.
  • the back sheet 24 is a member (exterior sheet) that constitutes the exterior of the diaper 1 on the non-skin side, and is made of, for example, a non-woven fabric.
  • a back sheet 24 is arranged on the non-skin side of the leak-proof sheet 23 (see FIGS. 2A to 2C).
  • flap portions 14 are provided on both sides of the diaper 1 in the product width direction W and on the rear portion 7.
  • the flap portion 14 is mainly composed of a skin side sheet 26 and a back sheet 24 (see FIG. 2C).
  • the skin-side sheet 26 is a skin-side member formed over the front portion 3, the inseam portion 5, and the rear portion 7, and is made of, for example, a non-woven fabric.
  • the skin side sheet 26 is also a member constituting the leg side gather 16 (corresponding to the three-dimensional gather) described later, and the outer portion of the skin side sheet 26 constitutes the flap portion 14.
  • the edge portion forming the leg circumference opening of the diaper 1 is provided with a pair of leg gathers 15 (leg circumference expansion and contraction portions) that expand and contract in the product longitudinal direction L along the product longitudinal direction L.
  • the leg gather 15 is made of a thread rubber provided between the skin side sheet 26 and the back sheet 24, and the thread rubber imparts elasticity to the skin side sheet 26 and the back sheet 24. There is. Further, this rubber thread is provided from the front portion 3 to the rear portion 7 in the product longitudinal direction L.
  • the leg gather 15 is not limited to being made of rubber thread, and may be made of, for example, an elastic sheet (film).
  • leg side gathers 16 that expand and contract in the product longitudinal direction L are provided along the product longitudinal direction L inside the leg gathers 15.
  • the leg side gathers 16 are for preventing liquid leakage from the gaps between the legs, and are mainly composed of a portion inside the skin side sheet 26.
  • the leg side gathers 16 are joined at end joints 17 (rectangular portions in FIG. 1) located at both ends in the product longitudinal direction L. Further, only the outer portion in the product width direction W is joined to the portion between the pair of end joint portions 17 (hereinafter, referred to as the main body portion 18 for convenience) (referred to as the main body joint portion 18a). Therefore, the main body portion 18 is surrounded by a pair of end joint portions 17 and the main body joint portion 18a to form a pocket shape, and stands up with the main body joint portion 18a as a fulcrum. Since an elastic member (thread rubber 19 in the present embodiment) is provided on the inner portion of the main body 18 in the product width direction W, the inner portion has elasticity. As described above, the leg side gather 16 is composed of an end joint portion 17 and a main body portion 18, and is provided from the front portion 3 to the rear portion 7 in the product longitudinal direction L like the leg gather 15.
  • a waist gather film 28 is arranged between the absorber 21 and the back sheet 24 (see FIG. 2C).
  • the waist gather film 28 is a strip-shaped member that expands and contracts along the product width direction W.
  • the waist gather is formed by the waist gather film 28 imparting elasticity to the back sheet 24 and the like.
  • the length of the waist gather film 28 in the product width direction W is longer than that of the absorber 21. Therefore, the waist gather is formed so as to project from the absorber 21 to the outside in the product width direction W.
  • Each of the pair of fastening tape portions 30 includes a rectangular strip-shaped sheet 33 made of a hydrophobic spunbonded non-woven fabric and a hook-and-loop fastener 35.
  • the inner portion (substantially inner half in the present embodiment) in the longitudinal direction (product width direction W) of the fastening tape portion 30 (strip-shaped sheet 33) is the fixing portion 32. Then, the fastening tape portion 30 is fixed to the flap portion 14 of the rear portion 7 by the fixing portion 32. In the present embodiment, the fastening tape portion 30 is attached by sandwiching a part of the fastening tape portion 30 between the skin side sheet 26 and the back sheet 24 constituting the flap portion 14 (see FIG. 2C). ing.
  • the outer portion (substantially the outer half in the present embodiment) of the fastening tape portion 30 (strip-shaped sheet 33) in the longitudinal direction (product width direction W) is the engaging portion 31. Then, the engaging portion 31 engages with the target tape 29, which will be described later, so that the diaper 1 can be worn by the wearer.
  • the engaging portion 31 of the fastening tape portion 30 (strip-shaped sheet 33) is provided with a hook-and-loop fastener 35, and when the surface fastener 35 is hooked on the target tape 29, the engaging portion 31 is engaged. Engage with target tape 29.
  • the hook-and-loop fastener 35 is fixed to the skin side surface of the strip-shaped sheet 33. Further, the surface fastener 35 is not fixed to the entire surface of the outer portion (engagement portion 31) of the strip-shaped sheet 33, and there is a portion on the outer portion (engagement portion 31) where the surface fastener 35 does not exist. In the present embodiment, of the outer portion (engagement portion 31), the surface fastener 35 exists in the inner portion located inside the surface fastener 35 and the outer portion located outside the surface fastener 35 in the longitudinal direction of the strip-shaped sheet 33. It is a non-existent portion 31a of the hook-and-loop fastener.
  • the outermost end of the fastening tape portion 30 (belt-shaped sheet 33, engaging portion 31) is a wavy portion 31b having a wavy shape.
  • the wavy portion 31b is a cutting mark obtained by cutting the strip-shaped sheet 33 when the fastening tape portion 30 is manufactured.
  • the wavy portion 31b is also a part of the surface fastener non-existing portion 31a.
  • the target tape 29 is arranged on the non-skin side of the back sheet 24 of the front portion 3 (see FIG. 2A).
  • the target tape 29 is a member that can be engaged with the fastening tape portion 30, and is made of, for example, a non-woven fabric. Further, as shown in FIG. 1, the target tape 29 according to the present embodiment is a rectangular member along the product width direction W.
  • an insect repellent fragrance having an insect repellent effect insect repellent effect, repellent effect
  • an insect repellent fragrance composition composed of a plurality of types of fragrances is used as a film material (corresponding to a storage member). It was housed inside. That is, the insect repellent microcapsule 50 has an insect repellent fragrance (insect repellent fragrance composition) and a film material for containing (holding) the insect repellent fragrance (insect repellent fragrance composition).
  • the film material collapses (damages) due to the pressure (impact, friction) when the user touches the diaper 1 or holds the diaper 1 when the diaper 1 is worn on the human body.
  • the internal insect repellent fragrance composition is released.
  • the insect repellent fragrance composition is released, the insect repellent effect is exhibited. That is, the insect repellent microcapsule 50 is a shock-disintegrating type microcapsule containing an insect repellent fragrance composition.
  • the film material according to the present embodiment is made of urethane resin, but is not limited to this as long as it has a predetermined strength such that it collapses due to the pressure (impact, friction).
  • urethane resin for example, gelatin, gelatin / gum arabic, melamine resin, urea / formalin resin and the like may be used. These resins may be used alone or in combination of two or more kinds of resins.
  • the insect repellent microcapsules 50 according to the present embodiment are adjusted (microencapsulated) by a so-called interfacial polymerization method, but the present invention is not limited to this, and various methods can be used.
  • phase separation method core selvation method
  • in-liquid curing coating method orientation method
  • pan coating method spray drying method
  • in-liquid drying method interfacial precipitation method
  • interfacial inorganic reaction method inorganic wall microcapsules
  • In situ polymerization method, ultrasonic method, etc. may be used.
  • insect repellent fragrance composition The details of the insect repellent fragrance composition will be described later.
  • such insect repellent microcapsules 50 are provided on the non-skin side of the band-shaped sheet 33 (corresponding to a hydrophobic non-woven fabric) of the fastening tape portion 30.
  • FIG. 3 is an enlarged view of the surface of the strip-shaped sheet 33 on the non-skin side.
  • FIG. 4 is a schematic view schematically showing a state in which the insect repellent microcapsules 50 are provided on the non-skin side of the strip-shaped sheet 33.
  • FIG. 3 shows the non-woven fabric fibers 34 of the strip-shaped sheet 33 (the non-woven fabric fibers 34 of the outermost layer (the layer located on the non-skin side) and the non-woven fabric fibers 34 of the second layer) and a large number of insect repellent microcapsules 50.
  • FIG. 4 schematically shows the non-woven fabric fibers 34 of each layer and the insect repellent microcapsules 50.
  • the non-woven fabric fibers 34 are not actually arranged as regularly as in FIG. 4, but are represented here in a schematic manner for the sake of clarity.
  • the insect repellent microcapsule 50 according to the present embodiment has entered the inside of the band-shaped sheet 33 without reaching the skin side surface 33a of the band-shaped sheet 33. That is, although the insect repellent microcapsules 50 are housed in the band-shaped sheet 33, they do not reach the skin side surface 33a of the band-shaped sheet 33.
  • insect repellent microcapsule 50 touches the wearer's skin.
  • the insect repellent microcapsules 50 that have entered the inside of the band-shaped sheet 33 are from the non-skin side surface 33b of the band-shaped sheet 33 to the skin side surface 33a in the thickness direction of the band-shaped sheet 33 (diaper 1). It is located between the non-skin side surface 33b and the intermediate position C. That is, although the insect repellent microcapsules 50 are housed in the strip-shaped sheet 33, they remain within half the depth T / 2 of the thickness T of the strip-shaped sheet 33 (from the depth T / 2 of half the thickness T). It does not exist in a deeper position).
  • insect repellent microcapsule 50 it is possible to further reduce the possibility that the insect repellent microcapsule 50 will come into contact with the wearer's skin. Further, if the insect repellent microcapsule 50 penetrates too deeply, an appropriate pressure (impact, friction) is not applied to the insect repellent microcapsule 50, so that the insect repellent fragrance composition is not released and the insect repellent effect is not exhibited. It ends up. In the present embodiment, since the insect repellent microcapsules 50 are kept within the intermediate position C (within the depth T / 2 which is half the thickness T of the strip-shaped sheet 33), the insect repellent fragrance composition is appropriately released. It is possible to effectively exert the insect repellent effect.
  • the volume of the insect repellent microcapsules 50 that has entered the inside of the strip-shaped sheet 33 is the volume of the strip-shaped sheet 33. It is larger than the volume (total volume) of the insect repellent microcapsules 50 located on the non-skin side surface 33b (in other words, on the outermost non-woven fiber 34).
  • the "inside" of the strip-shaped sheet 33 means a portion inside the non-woven fabric fiber layer with the surface having the most protruding fiber as the apex as the surface.
  • the volume (amount) of the insect repellent microcapsules 50 located on the non-skin side surface 33b is too large, the insect repellent microcapsules 50 will easily collapse (by making a small size) and the insect repellent fragrance composition will be released immediately. Therefore, it is not appropriate from the viewpoint of sustainability of the insect repellent effect (property of sustaining the insect repellent effect of the insect repellent microcapsules 50).
  • the volume (total volume) of the insect repellent microcapsules 50 that has entered the inside of the band-shaped sheet 33 is the volume (total volume) of the insect repellent microcapsules 50 located on the non-skin side surface 33b of the band-shaped sheet 33.
  • the insect repellent microcapsules 50 can be easily disintegrated (by one size) so that the insect repellent fragrance composition is not released immediately, and the insect repellent effect is appropriately maintained. Is possible. As shown in FIGS. 3 and 4, in the present embodiment, the insect repellent microcapsules 50 are not located on the non-skin side surface 33b of the strip-shaped sheet 33 (on the non-woven fabric fiber 34 of the outermost layer). Therefore, the insect repellent effect can be maintained more appropriately.
  • the insect repellent microcapsules 50 are applied to the skin while effectively exerting the insect repellent effect. The possibility of contact can be reduced.
  • FIG. 5 is a diagram showing the particle size distribution of the insect repellent microcapsules 50 according to the present embodiment.
  • the average particle size of the insect repellent microcapsules 50 is the average fiber diameter of the strip-shaped sheet 33 (20 ⁇ m in the present embodiment). (Indicated by reference numeral A) in (see also FIG. 3). If the average particle size of the insect repellent microcapsules 50 is made larger than the average fiber diameter of the band-shaped sheet 33, the insect repellent microcapsules 50 will be physically difficult to penetrate inside the band-shaped sheet 33, and will be on the non-skin side surface 33b of the band-shaped sheet 33 ( It is located on the outermost non-woven fabric fiber 34).
  • the average particle size of the insect repellent microcapsules 50 is smaller than the average fiber diameter of the band-shaped sheet 33. Therefore, the insect repellent microcapsules 50 can easily enter the inside of the band-shaped sheet 33, and the insect repellent effect can be appropriately maintained.
  • the volume (total volume amount) of the insect repellent microcapsules 50 having a particle size smaller than the average fiber diameter (20 ⁇ m) of the strip-shaped sheet 33 is larger than the average fiber diameter. It is larger than the volume (total volume) of the insect repellent microcapsules 50 (see FIGS. 3 and 5). Therefore, similarly, the insect repellent microcapsules 50 can easily enter the inside of the band-shaped sheet 33, and the insect repellent effect can be appropriately maintained.
  • the particle size of the insect repellent microcapsules 50 is too small, it is difficult for the insect repellent microcapsules 50 to enter the inside of the strip-shaped sheet 33. That is, if the particle size is too small, static electricity is likely to be generated, and due to the generated static electricity, the insect repellent microcapsules 50 are released from the non-skin side surface 33b of the strip-shaped sheet 33 (above the non-woven fabric fiber 34 of the outermost layer). It does not roll and stays on the non-skin side surface 33b (on the non-woven fabric fiber 34 of the outermost layer).
  • the particle size of the insect repellent microcapsules 50 is set to 0.1 ⁇ m or more (preferably 0.5 ⁇ m or more) (see FIG. 5).
  • the upper limit is 50 ⁇ m or less (preferably 30 ⁇ m or less).
  • a water dispersion liquid in which PVA (polyvinyl alcohol) having an adhesive function is blended and insect repellent microcapsules 50 are dispersed in water is applied to a strip-shaped sheet 33 which is a hydrophobic non-woven fabric.
  • the insect repellent microcapsules 50 are provided (coated) on the strip-shaped sheet 33.
  • the strip-shaped sheet 33 is a non-woven fabric having a relatively high basis weight.
  • the water dispersion liquid (insect repellent microcapsules 50) does not move much in the band-shaped sheet 33, and the insect repellent microcapsules 50 can be kept within a depth T / 2 which is half the thickness T of the band-shaped sheet 33.
  • a hydrophilic agent (0.3%, polyoxyethylene sorbitan monooleate) is added to the aqueous dispersion for the purpose of making the coating uniform.
  • a defoaming agent (0.2%. Polyoxyethylene polyoxypropylene glycol (block copolymer)) is also added in accordance with the addition of the hydrophilic agent.
  • the insect repellent fragrance composition includes a fragrance having a boiling point of 200 to 220 ° C. (200 ° C. or higher and lower than 220 ° C.) selected from the group (A) (hereinafter, referred to as a high boiling point fragrance for convenience) and a boiling point selected from the group (B).
  • a low boiling point fragrance for convenience
  • the weight ratio of group (A) in the components is that of group (B). It is higher than the weight ratio.
  • the fragrances of group (A) are citronellal, menthol, ⁇ -terpionel, linalyl acetate, lavandool, isopulegol, benzylacetate and ethyllinalool, and the fragrances of group (B) are mentan, camphen, tetrahydrolinalool and dihydro. Linalool, dihydromilsenol, osimenol.
  • the insect repellent fragrance composition contains a solvent (for example, isopropyl myristate) in addition to the fragrance.
  • the insect repellent fragrance composition is composed of only low boiling point fragrances (only the fragrances of group (B)), the fragrances will immediately volatilize (diffuse), which is not appropriate from the viewpoint of sustainability of the insect repellent effect. ..
  • the insect repellent fragrance composition is composed of only high boiling point fragrances (only the fragrances of group (A))
  • it takes time to volatilize (diffuse) so that the sustainability of the insect repellent effect is enhanced, but the initial fragrances. Since there is almost no volatilization (diffusion) of, it is not possible to appeal to the user with the scent of insect repellent effect.
  • the fragrance having a higher weight ratio (the main component of the fragrance composition for insect repellent) is used as a high boiling point fragrance (fragrance of group (A)), and the sustainability of the insect repellent effect is appropriate. It is secured in.
  • a low boiling point fragrance (fragrance of group (B)) is added as a supplement to promote the volatilization (diffusion) of the initial fragrance, so that the user is made aware of the insect repellent effect by the fragrance (appeal).
  • the diaper 1 according to the present embodiment it is possible to give the user a sense of expectation for the insect repellent effect while ensuring the sustainability of the insect repellent effect.
  • citronellal, menthol, ⁇ -linalool, linalyl acetate, lavangerol, isopulegol, benzyl acetate, ethyllinalool, mentan, camphene, tetrahydrolinalool, dihydrolinalool, dihydromilsenol and osimenol are allergen-free substances. Is. Therefore, it is possible to provide the user with a sense of security regarding allergies.
  • the insect repellent fragrance composition according to the present embodiment does not contain any of the following 26 types of fragrances.
  • the 26 kinds of fragrances include ⁇ -isomethylionone, amylkeihydraldehyde, 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 composition (solvent + fragrance) is 1% or less, it can be said that the fragrance is substantially not contained.
  • fragrances are required to be labeled as allergen substances in the EU (European Union) Cosmetics Directive (76/768 / EEC). Therefore, by not including these fragrances in the insect repellent fragrance composition, it is possible to provide the user with a sense of security regarding allergies.
  • these insect repellent fragrance compositions are applied to an absorbent article (diaper 1) provided with a hot melt adhesive, the following effects are produced. That is, some fragrances inhibit the adhesive function of the hot melt adhesive, and if such a fragrance is used for an absorbent article (diaper 1), before using the diaper 1.
  • the fragrance volatilized in the package (packaging material) may act on the hot melt adhesive, causing the diaper 1 to peel off or the like.
  • Citronellal, menthol, ⁇ -linalool, linalool acetate, lavandulol, isopulegol, benzyl acetate, ethyllinalool, menthane, camphene, tetrahydrolinalool, dihydrolinalool, dihydromilsenol, osimenol are all hot melt adhesive adhesives. It does not impede performance. Therefore, it is possible to prevent the diaper 1 from peeling off and the like, and it is possible to appropriately maintain the performance of the diaper 1.
  • insect repellent fragrance composition according to the present embodiment does not contain any of these (the definition of "not contained” for these fragrances is the same as described above). Therefore, it is possible to prevent the diaper 1 from peeling off and the like, and it is possible to appropriately maintain the performance of the diaper 1.
  • the insect repellent fragrance composition is selected from the group (C) in addition to the high boiling point fragrance (the fragrance of the (A) group) and the low boiling point fragrance (the fragrance of the (B) group). It is said that at least one kind of fragrance having a boiling point of 220 to 270 ° C. (220 ° C. or higher and lower than 270 ° C.) (hereinafter, referred to as an ultra-high boiling point fragrance for convenience) is contained.
  • the fragrances of group (C) are terpinyl acetate, isobornyl acetate, geranyl formate, p-menthan-3,8-diol, 2- (tert-butyl) cyclohexyl acetate, dihydroterpinyl acetate, mugor, and myrsenol. , Nerol, phenylethyl acetate, 4-tert-butylcyclohexyl acetate, citronellyl acetate, neryl acetate, anisyl acetate, geranyl acetate, ethyllinalyl acetate, tricyclodecenyl acetate, cinnamyl acetate. In such a case, since the ultra-high boiling point fragrance is added to the low boiling point fragrance and the high boiling point fragrance, it is possible to enhance the sustainability of the insect repellent effect.
  • FIG. 6 shows a table summarizing the fragrances applicable to and not applicable to the diaper 1 described above.
  • the insect repellent fragrance composition according to the present embodiment is as follows. That is, citronellal 30-40%, terpinyl acetate 1-5%, isobornyl acetate 1-5%, and others as fragrances with respect to 50% isopropyl myristate (weight ratio; the same applies hereinafter) as a solvent. Less than 1% of fragrance (including fragrance of group (B)) is added.
  • the insect repellent fragrance composition is composed of only synthetic fragrances.
  • fragrances can be broadly divided into natural fragrances and synthetic fragrances.
  • the natural fragrance may be an example of an essential oil or the like, and is a fragrance directly extracted from a natural plant or the like. Therefore, the composition varies depending on the production area and the harvest time, and the natural fragrance contains not only the target fragrance component but also various fragrance components.
  • synthetic fragrances are chemically synthesized fragrances, they do not contain such various fragrance components.
  • synthetic fragrances include isolated fragrances, total synthetic fragrances, semi-synthetic fragrances, and biosynthetic fragrances.
  • the synthetic fragrance 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 composition (for example, the above-mentioned allergen substance and hot melt adhesive inhibitor). It will be possible.
  • the isolated fragrance for example, citronellal
  • a natural fragrance for example, citronella oil
  • the isolated fragrance falls into the category of synthetic fragrances rather than natural fragrances. Even in the case of a fragrance remover, it is possible to avoid mixing the above-mentioned substances.
  • insect repellent microcapsules 50 having different particle sizes are mixed.
  • the insect repellent microcapsules 50 tend to disintegrate (hard to disintegrate). Therefore, in the present embodiment, the insect repellent microcapsules 50 disintegrate (in other words, the insect repellent fragrance composition is released). This means that the insect repellent microcapsules 50 having different pressures are mixed.
  • the insect repellent microcapsules 50 As the insect repellent microcapsules 50, the insect repellent microcapsules 50 (for convenience, low pressure disintegration) that releases the insect repellent fragrance composition from the membrane material when pressure P (23.6 MPa in the present embodiment) is applied. Insect repellent microcapsules (referred to as capsules) and insect repellent microcapsules that do not release the insect repellent fragrance composition from the membrane material even when a pressure of 2P (47.2 MPa in this embodiment), which is twice the pressure P, is applied (for convenience, high pressure disintegration). (Called a capsule) and.
  • the low pressure disintegration capsule has the minimum pressure value for disintegration (release of fragrance composition) (the pressure value when the insect repellent microcapsules 50 disintegrate only when the pressure is gradually increased).
  • the pressure P (23.6 MPa) or less
  • the high pressure disintegration capsule has the minimum value exceeding the pressure 2P (47.2 MPa), and both are mixed.
  • the user can adjust the amount of the insect repellent fragrance composition released. For example, in situations where the risk of insect bites is not very high (eg indoors, during the day), reduce the pressure when touching (grasping) diaper 1 and disintegrate (rub and break) only the low pressure disintegrating capsule. The amount of the insect repellent fragrance composition released can be reduced. On the other hand, in situations where there is a high risk of insect bites (for example, outdoors, after the evening), the pressure when touching (grasping) diaper 1 is increased to collapse both the low pressure disintegration capsule and the high pressure disintegration capsule. The amount of insect repellent fragrance composition released can be increased (by rubbing and breaking). If only one of the low pressure disintegrating capsule and the high pressure disintegrating capsule exists, such an adjustment of the release amount cannot be performed. As described above, according to the present embodiment, the user can adjust the amount of the insect repellent fragrance composition released according to the risk of insect bites.
  • the tape type (open type) diaper 1 has been described as an example as an absorbent article worn on the body, but the present invention is not limited to this, and for example, a pants type. It may be a diaper. Further, the present invention is not limited to diapers, and may be, for example, a napkin, a urine absorbing pad, or a vaginal discharge sheet. Further, the absorbent article worn on the body is not limited to the absorbent article worn on the human body, and may be, for example, a diaper for pets.
  • a film material for accommodating the insect repellent fragrance composition is provided. That is, it was decided that the insect repellent fragrance composition was contained in the membrane material and microencapsulated, but the present invention is not limited to this.
  • the insect repellent fragrance composition may not be contained in the membrane material (not microencapsulated).
  • the above-described embodiment is characterized in that the sustainability of the insect repellent effect is enhanced by the fact that the insect repellent fragrance composition is contained in the membrane material (the insect repellent fragrance composition is microencapsulated). Is desirable.
  • the integrated strip-shaped sheet 33 has been described as an example of the "nonwoven fabric” provided with the insect repellent microcapsules, but the present invention is not limited to this, and the non-woven fabric is composed of a plurality of non-woven fabrics. May be good.
  • the non-woven fabric provided with the insect repellent microcapsules is composed of two non-woven fabrics (the entire non-woven fabric composed of the two non-woven fabrics is referred to as non-woven fabric 60).
  • the one-piece non-woven fabric is the same as the above-mentioned strip-shaped sheet 33 (corresponding to the second non-woven fabric, referred to as the strip-shaped sheet 62).
  • a cover material 64 (corresponding to the first non-woven fabric) thinner than the strip-shaped sheet 62 is introduced, and the cover material 64 is covered from the non-skin side of the strip-shaped sheet 62. That is, the strip-shaped sheet 62 is located closer to the skin than the cover material 64, and the strip-shaped sheet 62 is covered by the cover material 64 from the non-skin side.
  • the cover material 64 not the strip-shaped sheet 62, constitutes the non-skin side surface 60a of the non-woven fabric 60, and the insect repellent microcapsules 50 are provided only on the strip-shaped sheet 62, and the cover material 64 is provided with the insect repellent microcapsules 50. Since the insect repellent microcapsules 50 are not provided, it is possible to reliably realize a state in which the insect repellent microcapsules 50 are not located on the non-skin side surface 60a of the strip-shaped sheet 62. Therefore, it is possible to surely realize the above-mentioned action and effect of sustaining the insect repellent effect more appropriately.
  • the cover material 64 also plays a role of suppressing the spillage of the collapsed insect repellent microcapsules 50.
  • FIG. 7 is a schematic view schematically showing how the insect repellent microcapsules 50 are provided on the non-skin side of the non-woven fabric 60 according to the modified example.
  • the absorbent article may have the following aspects (other aspects).
  • the plurality of insect repellent microcapsules when a plurality of insect repellent microcapsules have a coated portion coated and taken out from the packaging material, the plurality of insect repellent microcapsules are a damaged capsule in which the insect repellent microcapsules are damaged and a damaged capsule in which the insect repellent microcapsules are damaged. It may be possible to have an unbroken capsule that has not.
  • the coating section is provided at any place in the entire diaper 101.
  • a coating portion R (hatched portion in FIG. 8) is provided on the non-skin side surface of the fastening tape portion 140 on one side in the product width direction W.
  • the coating portion R is applied in a planar shape over substantially the entire area of the strip-shaped sheet 141.
  • FIG. 8 is a view of the fastening tape portion 140 on one side according to another aspect when viewed from the non-skin side.
  • the coated portion R of the diaper 101 taken out from the packaging material is provided with a damaged capsule DC in which the insect repellent microcapsule MC is damaged and a non-damaged capsule NC in which the insect repellent microcapsule MC is not damaged. That is, the diaper 101 housed in the packaging material has a broken capsule DC and an unbroken capsule NC.
  • the damaged capsule DC is an insect repellent microcapsule MC in which at least a part of the film material is damaged. Breaking refers to a state in which the film material has at least one of scratches, dents, deformations, and cracks.
  • the damaged capsule DC is in a state in which the insect repellent fragrance composition contained therein flows out from the damaged portion to the outside of the insect repellent microcapsule MC, or the insect repellent fragrance composition is exposed.
  • FIG. 9 is an electron micrograph of a region where the damaged capsule DC and the unbroken capsule NC coexist in the coating section.
  • the microcapsule MC is provided around the non-woven fabric fiber 145.
  • the unbroken capsule NC is spherical and has an insect repellent fragrance composition inside.
  • the broken capsule DC has various shapes, and may be crushed or the inside may be visible.
  • the diaper 101 is provided with the damaged capsule DC so that the inside of the packaging material is filled with the insect repellent fragrance composition in a sealed packaging state. It will be easier. When this packaging material is opened, the wearer or the user can first recognize the scent of the insect repellent fragrance composition contained in the damaged capsule DC. Thereby, the wearer and the user can recognize that the diaper 101 includes the insect repellent fragrance composition before wearing the diaper 101.
  • the wearer or the user can take out the diaper 101 from the packaging material and perform an operation such as deploying the diaper 101.
  • the scent of the insect repellent fragrance composition released from can be recognized.
  • the wearer and the user can recognize that the diaper 101 includes the insect repellent fragrance composition before wearing the diaper 101.
  • the diaper 101 since the diaper 101 has not only the broken capsule DC but also the unbroken capsule NC, the unbroken capsule NC can be damaged by applying some kind of impact or contact in the wearing state.
  • the insect repellent fragrance composition By applying a physical stimulus to the non-broken capsule NC to form a broken capsule DC, the insect repellent fragrance composition can be newly discharged or exposed to the outside. Thereby, the presence of the insect repellent fragrance composition can be recognized not only before wearing but also in the wearing state.
  • the insect repellent effect of the insect repellent fragrance composition can be easily exerted not only before the diaper 101 is worn but also while the diaper 101 is worn.
  • the fastening tape portion is a portion that the wearer or the user can grasp by hand by the fastening tape portion 140 when wearing. Therefore, by providing the coating portion R on the fastening tape portion 140, a physical stimulus grasped by the wearer or the user, for example, rubbing the fastening tape portion 140, causes the insect repellent microcapsule MC of the coating portion R to be rubbed. Since the unbroken capsule NC can be more reliably put into the state of the broken capsule DC, the effect of the insect repellent fragrance composition can be easily exerted during wearing.
  • This coating portion R has a processing mark portion in which the number of damaged capsule DCs per unit area is larger than the number of undamaged capsules NC per unit area.
  • the processing trace portion is a trace portion obtained by applying pressure or impact such as pressing, folding, cutting, and laser processing after the coating portion R is formed.
  • the processing mark portion is a portion where the non-damaged capsule NC is made into a damaged capsule DC by the pressure or impact due to processing.
  • the processing for forming the processing trace portion is preferably performed in the manufacturing process. By performing this in the manufacturing process, the damaged capsule DC is provided in the processing mark portion of the packaged diaper 101. Thereby, the wearer and the user can recognize that the diaper 101 includes the insect repellent fragrance composition before wearing the diaper 101.
  • the processing marks (M1 to M3) are shown by hatching in the shape of a dot.
  • the fastening tape portion 140 is folded at the tape fold line (fold line portion) TL in the state of being taken out from the packaging material, and the portion overlapping the tape fold line TL is the processing mark portion M1.
  • the processing trace portion M1 is provided with the damaged capsule DC due to the pressure due to the folding processing.
  • the fold line such as the tape fold line TL as the processing mark portion M1
  • It can be a diaper 101 provided with a capsule DC.
  • the wearer and the user can recognize that the diaper 101 includes the insect repellent fragrance composition before wearing the diaper 101.
  • a damaged capsule DC is provided at the tip portion M2 of the fastening tape portion 140.
  • the tip portion M2 of the fastening tape portion 140 is a portion adjacent to a cutting portion when the strip-shaped sheet 141 is cut into the shape. Therefore, the tip portion M2 is also a machining trace portion M2.
  • the processing trace portion M2 tends to form a broken capsule DC due to the impact in the cutting process.
  • the packaged diaper 101 has a damaged capsule DC, and the wearer or the user can recognize that the diaper 101 is provided with the insect repellent fragrance composition before wearing the diaper 101. it can.
  • the diaper 101 has a pressing portion F for maintaining the folded state of the fastening tape portion 140, and this pressing portion F is a processing mark portion M3. Since the processing trace portion M3 forms the squeezed portion F after the coating portion R is applied, the pressure thereof makes it easy for the broken capsule DC to be formed. As a result, the packaged diaper 101 has a damaged capsule DC, and the wearer or the user can recognize that the diaper 101 is provided with the insect repellent fragrance composition before wearing the diaper 101. it can.
  • the coating portion R has an unprocessed trace portion N in which the number of undamaged capsules NC per unit area is larger than the number of damaged capsule DCs per unit area. There is. At this time, in the coated portion R, it is preferable that the non-processed trace portion N is wider than the area of the processed trace portion.
  • the processing traces of the coating portion R of the diaper 101 are the processing traces M1 and M2, and the pressing portion M3 (F), and the non-processing trace N is the processing trace portion M1 of the fastening tape portion 140. This is the region excluding M2 and the pressing portion M3 (F). As can be seen from FIG.
  • the non-processed trace portion N is larger than the area of the processed trace portion of the processed portion of the diaper 101.
  • the processing trace portions M1 and M2 and the pressing portion M3 (F) of the fastening tape portion 140 have been described, but the processing trace portion is not limited to the above.
  • the coating portion is provided at the portion overlapping the processing trace portion P1 shown in FIG. 8, the damaged capsule DC is formed in the processing trace portion P1.
  • the processing mark portion P1 is an outer end portion of the diaper 101, and is a portion adjacent to a cutting portion when the back sheet and the side sheet are cut into the shape shown in FIG.
  • the processing trace portion P1 is likely to form a broken capsule due to the impact in the cutting process.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

L'article absorbant de la présente invention est caractérisé en ce qu'il comprend une composition de parfum pour repousser les insectes, qui comprend au moins un parfum dont le point d'ébullition est de 200 à 220 °C, choisi dans le groupe (A) et un parfum dont le point d'ébullition est de 150 à 200 °C, choisi dans le groupe (B), le pourcentage en poids du groupe (A) étant supérieur au pourcentage en poids du groupe (B) dans le composant.　Groupe (A) : citronellal, menthol, α-terpinéol, acétate de linalyle, lavandulol, isopulégol, acétate de benzyle, éthyllinalol groupe éthyle linalol Groupe (B) : menthane, camphène, tétrahydrolinalol, dihydrolinalol, dihydromyrcénol, ociménol
PCT/JP2019/034280 2019-08-30 2019-08-30 Article absorbant WO2021038873A1 (fr)

Priority Applications (5)

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JP2019566714A JP6754017B1 (ja) 2019-08-30 2019-08-30 吸収性物品
PCT/JP2019/034280 WO2021038873A1 (fr) 2019-08-30 2019-08-30 Article absorbant
BR112021026001A BR112021026001A2 (pt) 2019-08-30 2020-08-28 Artigo absorvente
SG11202012840YA SG11202012840YA (en) 2019-08-30 2020-08-28 Absorbent article
PCT/JP2020/032695 WO2021039999A1 (fr) 2019-08-30 2020-08-28 Article absorbant

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PCT/JP2019/034280 WO2021038873A1 (fr) 2019-08-30 2019-08-30 Article absorbant

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Citations (4)

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Publication number Priority date Publication date Assignee Title
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
JP2018103483A (ja) * 2016-12-27 2018-07-05 山田　菊夫 使い捨て繊維製品用生地
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
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

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WO2006010087A1 (fr) * 2004-07-09 2006-01-26 The Procter & Gamble Company Rouleau présentant des avantages pour le tissu
JP6080526B2 (ja) * 2012-12-10 2017-02-15 ユニ・チャーム株式会社 吸収性物品
JP5766374B1 (ja) * 2015-01-28 2015-08-19 ユニ・チャーム株式会社 吸収性物品

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
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
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
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

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WO2021039999A1 (fr) 2021-03-04
SG11202012840YA (en) 2021-04-29
JP6754017B1 (ja) 2020-09-09
BR112021026001A2 (pt) 2022-03-15

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