WO2021100773A1 - 使い捨て着用物品 - Google Patents
使い捨て着用物品 Download PDFInfo
- Publication number
- WO2021100773A1 WO2021100773A1 PCT/JP2020/043052 JP2020043052W WO2021100773A1 WO 2021100773 A1 WO2021100773 A1 WO 2021100773A1 JP 2020043052 W JP2020043052 W JP 2020043052W WO 2021100773 A1 WO2021100773 A1 WO 2021100773A1
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- WO
- WIPO (PCT)
- Prior art keywords
- holes
- liquid
- region
- skin care
- woven fabric
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
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Classifications
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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
- 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
- A61F13/47—Sanitary towels, incontinence pads or napkins
-
- 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
- A61F13/51—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 outer layers of the pads
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
-
- 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
- A61F13/51—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 outer layers of the pads
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/51113—Topsheet, i.e. the permeable cover or layer facing the skin comprising an additive, e.g. lotion or odour control
-
- 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
- A61F13/15577—Apparatus or processes for manufacturing
-
- 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
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/476—Sanitary towels, incontinence pads or napkins characterised by encircling the crotch region of the undergarment, e.g. with flaps
-
- 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
- A61F13/51—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 outer layers of the pads
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
-
- 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
- A61F13/51—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 outer layers of the pads
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
- A61F13/5126—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations characterised by the planar distribution of the apertures, e.g. in a predefined pattern
-
- 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
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15406—Basis weight
-
- 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
- A61F13/15577—Apparatus or processes for manufacturing
- A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
- A61F2013/15861—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding
- A61F2013/1591—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding via adhesive
-
- 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
- A61F13/51—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 outer layers of the pads
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/51113—Topsheet, i.e. the permeable cover or layer facing the skin comprising an additive, e.g. lotion or odour control
- A61F2013/51117—Topsheet, i.e. the permeable cover or layer facing the skin comprising an additive, e.g. lotion or odour control the lotion having skin care properties
-
- 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
- A61F13/51—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 outer layers of the pads
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
- A61F2013/5127—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations characterized by the dimension of apertures
-
- 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
- A61F13/534—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 having an inhomogeneous composition through the thickness of the pad
- A61F2013/53463—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 having an inhomogeneous composition through the thickness of the pad with a reinforcing structure, e.g. net
Definitions
- the present invention relates to a disposable wear article provided with a top sheet made of a perforated non-woven fabric.
- non-woven fabric for the top sheet to give them a cloth-like appearance and feel.
- non-woven fabric in addition to non-woven fabric having no holes other than fiber gaps, perforated non-woven fabric having many holes penetrating the front and back is used (see Patent Document 1).
- the perforated non-woven fabric is also effective as adding functional beauty that improves breathability and liquid permeability
- the holes are generally arranged in a good-looking pattern. Therefore, the visibility of the hole pattern (many of the holes are visible and the entire pattern can be recognized) is extremely important (visual effect). Needless to say, the visibility of individual holes is important for that purpose.
- a main problem of the present invention is to suppress a decrease in visibility of holes in a disposable wear article provided with a top sheet made of a perforated non-woven fabric containing a skin care agent.
- the present inventor obtained the following findings in the research and development of using a perforated non-woven fabric containing a skin care agent as a top sheet. That is, one of the factors that change the visibility of the holes in the perforated non-woven fabric is the change in the shape and orientation of the holes. For example, if the holes are crushed by the force applied to the perforated non-woven fabric, the visibility of the holes is lowered. It goes without saying that the closer the angle of the user's line of sight to the surface having holes is, the higher the visibility of the holes is. When the angle of the line of sight of is close to 0 degrees, the hole is apparently crushed, and the visibility of the hole is reduced. When such a decrease in visibility occurs in a large number of holes, the visibility of the entire pattern is reduced, and even if a beautiful pattern is adopted, the aesthetic appearance may be impaired.
- Disposable wear items deform a flat product along the surface of the body, so it is not possible to completely prevent wrinkles from forming on the top sheet, but the top sheet is fixed to the back member throughout. As a result, it is possible to prevent the holes in the top sheet from being crushed and unnecessary wrinkles from being generated on the top sheet.
- the top sheet is generally adhered to a member on the back side via a hydrophobic hot melt adhesive applied to the back side.
- top sheet contains an oil-soluble skin care liquid
- adhesion by the hydrophobic hot melt adhesive is hindered
- the top sheet is partially peeled from the back member, and the holes in the top sheet are crushed at the peeled part. Unnecessary wrinkles were generated on the top sheet, and the visibility of the holes was reduced.
- the disposable wear articles described below are based on such findings.
- a topsheet that includes a skin contact area that comes into contact with the wearer's skin
- the top sheet is a perforated non-woven fabric having a hole arrangement region in which holes penetrating the front and back surfaces are arranged in a predetermined pattern.
- the skin contact region has a liquid-containing region containing a hydrophilic skin care liquid, the pore arrangement region, and an overlapping region in which the liquid-containing region and the pore arrangement region overlap.
- the topsheet is adhered to a backside member located on the backside of the topsheet via a hydrophobic hot melt adhesive, at least over the entire pore arrangement region. Disposable wear goods characterized by that.
- This disposable wear item is characterized by a combination of a hydrophilic skin care liquid and a hydrophobic hot melt adhesive.
- a hydrophilic skin care solution including failure of adhesion
- the adhesion by the hot melt adhesive is less likely to be hindered.
- the top sheet is less likely to be partially peeled off from the member on the back side, and the holes are prevented from being crushed or wrinkled at the peeled portion, so that the visibility of the holes is less likely to be lowered.
- the perforated non-woven fabric has a fineness of 1 to 5 dtex and a basis weight of 10 to 30 g / m 2 .
- the hydrophilic skin care liquid is a moisturizer mainly composed of glycerin.
- the liquid-containing region has a portion having a content of 5 to 15 g / m 2 per unit area.
- the amount of the hydrophobic hot melt adhesive applied is 0.1 to 10 g / m 2 .
- the type and content of the skin care liquid and the type and application amount of the hot melt adhesive are not particularly limited, but a general non-woven fabric as in this embodiment is used for the top sheet, and the skin care liquid and hot in this embodiment are used.
- a melt adhesive is used, the content of the skin care liquid and the amount of the hot melt adhesive applied are preferably within the range of this embodiment.
- ⁇ Third aspect> The maximum size of the hole is 0.5 to 2 mm, and the area ratio of the hole in the hole arrangement region is 0.1 to 10%. Disposable wear article of the first or second aspect.
- the hot melt adhesive is preferably applied over the entire pore arrangement region, but the hot melt adhesive may easily protrude from the pores. In this case, it is effective to reduce the maximum size of the holes and reduce the number of holes, but in that case, there is a high possibility that the visibility of the holes will be lowered. Therefore, the combination of the above-mentioned hydrophilic skin care liquid and the hydrophobic hot melt adhesive is particularly significant in the case of this embodiment.
- the pattern is a pattern in which rows of holes arranged at intervals in the front-rear direction are arranged at intervals in the width direction.
- the skin care liquid is applied in a striped shape.
- the application width of the skin care liquid is not more than twice the maximum value of the center spacing in the width direction of the holes in the adjacent row of holes.
- the application interval of the skin care liquid is at least twice the maximum value of the center interval in the width direction of the holes in the adjacent row of holes.
- the pattern is a pattern in which a group of holes arranged in a single wavy or chain shape continuing in the front-rear direction are arranged at intervals in the width direction.
- a group of holes adjacent to each other in the width direction have the same or different phases in the front-rear direction.
- the skin care liquid is applied in a striped shape.
- the application width of the skin care liquid is 1/3 or less of the width of the unit arrangement portion of the holes in the group of holes.
- the application interval of the skin care liquid is 1/3 or more of the width of the unit arrangement portion of the holes in the group of holes.
- the pattern is aixie pattern, Disposable wear article of the fifth aspect.
- the arrangement pattern of the holes of the perforated non-woven fabric is not particularly limited, but when the holes are arranged in an aesthetically regular pattern as in this embodiment, the visibility of the entire pattern is particularly important. Therefore, in the arrangement of holes as in this aspect, the positional relationship of the fifth aspect is particularly significant. It should be noted that the case where the phases of the groups of holes adjacent to each other in the width direction are opposite to each other is the pattern of the Tamil pattern (standing pattern).
- a disposable wear article provided with a top sheet made of a perforated non-woven fabric containing a skin care agent, there are advantages such as being able to suppress a decrease in visibility of holes.
- FIG. 1 It is a top view which shows the inner surface of the pants type disposable diaper in the unfolded state. It is a top view which shows the outer surface of the pants type disposable diaper in the unfolded state. It is a 6-6 sectional view of FIG. It is a 7-7 sectional view of FIG. (A) 8-8 cross-sectional view of FIG. 1, (b) 9-9 cross-sectional view of FIG. 1, and (c) 10-10 cross-sectional view of FIG. It is a top view which shows various examples of the arrangement pattern of the hole of the perforated non-woven fabric. It is a top view which shows the example (Moroccan pattern) of the arrangement pattern of the hole of the perforated non-woven fabric.
- FIGS. 1 to 5 show an example of a tape-type disposable diaper.
- reference numeral X indicates the total width of the diaper excluding the connecting tape
- reference numeral L indicates the total length of the diaper.
- the dotted pattern portion in the cross-sectional view shows an adhesive as a joining means for joining each constituent member.
- Known hot melt adhesives include slot coating, continuous linear or dotted bead coating, spiral, Z, wavy and other spray coating, and pattern coating (transfer of hot melt adhesive by letterpress method). It can be applied by the method. Instead of or in conjunction with this, at the fixed portion of the elastic member, a hot melt adhesive can be applied to the outer peripheral surface of the elastic member to fix the elastic member to the adjacent member.
- hot melt adhesive examples include EVA type, adhesive rubber type (elastomer type), olefin type, polyester / polyamide type and the like, but they can be used without particular limitation.
- a joining means for joining each component a means by material welding such as a heat seal or an ultrasonic seal can also be used.
- non-woven fabric in the following description, a known non-woven fabric can be appropriately used depending on the site and purpose.
- the constituent fibers of the non-woven fabric include olefin-based fibers such as polyethylene and polypropylene, polyester-based and polyamide-based synthetic fibers (including single-component fibers and composite fibers such as core sheaths), as well as recycled rayon and cupra. Fibers, natural fibers such as cotton, and the like can be selected without particular limitation, and these can be mixed and used. In order to increase the flexibility of the non-woven fabric, it is preferable that the constituent fibers are crimped fibers.
- the constituent fibers of the non-woven fabric include hydrophobic fibers or water-repellent fibers (including those made water-repellent by the water-repellent agent) even if they are hydrophilic fibers (including those made hydrophilic by the hydrophilic agent). ) May be.
- the non-woven fabric generally has a short fiber non-woven fabric, a long fiber non-woven fabric, a spunbond non-woven fabric, a melt blown non-woven fabric, a spunlace non-woven fabric, a thermal bond (air-through) non-woven fabric, and a needle punch depending on the fiber length, the sheet forming method, the fiber bonding method, and the laminated structure.
- Laminated non-woven fabric means that it is manufactured as an integral non-woven fabric including all layers and fiber-bonding processing is performed over all layers, and a plurality of separately manufactured non-woven fabrics are attached by a joining means such as a hot melt adhesive. Does not include combined items.
- This tape-type disposable diaper has a ventral portion F extending forward from the center of the anterior-posterior LD and a dorsal portion B extending posteriorly from the center of the anterior-posterior LD.
- the shape of this tape type disposable diaper is separated from the crotch portion M extending from the front side of the center of the product in the front-rear direction to the rear side of the center of the front-rear direction of the product and the front side of the center of the front-rear direction of the product. It has a front wing 80 protruding to both left and right sides at a position, and a rear wing 81 protruding to both left and right sides at a position separated from the center in the front-rear direction of the product.
- the absorbent body 56 built in the range including the crotch portion, the liquid permeable top sheet 30 covering the front side of the absorbent body 56, and the liquid permeable top sheet 30 covering the back side of the absorbent body 56 are impervious. It has a sheet 11 and an exterior non-woven fabric 12 that covers the back side of the liquid-impermeable sheet 11 and constitutes the outer surface of the product.
- the absorber 56 is a portion that absorbs and retains the excrement liquid, and can be formed by an aggregate of fibers.
- the fiber aggregate is obtained by stacking short fibers such as cotton-like pulp and synthetic fibers, and by opening the tow (fiber bundle) of synthetic fibers such as cellulose acetate as necessary. Can also be used.
- the fiber basis weight can be, for example, about 100 to 300 g / m 2 when stacking cotton-like pulp or short fibers, and about 30 to 120 g / m 2 for filament aggregates, for example. Can be done.
- the fineness is, for example, 1 to 16 dtex, preferably 1 to 10 dtex, and more preferably 1 to 5 dtex.
- the planar shape of the absorber 56 can be appropriately determined, and can be a rectangular shape or a shape in which the middle of the LD in the front-rear direction is constricted along the circumference of the leg.
- the absorber 56 may contain highly absorbent polymer particles in part or all of it.
- the highly absorbent polymer particles include "powder” in addition to "particles".
- the particle size of the highly absorbent polymer particles is not particularly limited, but for example, sieving (shaking for 5 minutes) using a standard sieve (JIS Z8801-1: 2006) of 500 ⁇ m, and particles falling under the sieve by this sieving.
- the proportion of particles remaining on the 500 ⁇ m standard sieve is 30% by weight or less, and the 180 ⁇ m standard sieve. It is desirable that the proportion of particles remaining on the top is 60% by weight or more.
- the material of the highly absorbent polymer particles can be used without particular limitation, but a material having a water absorption of 40 g / g or more is preferable.
- Highly absorbent polymer particles include starch-based, cellulosic-based and synthetic polymer-based ones, which are starch-acrylic acid (salt) graft copolymers, saponified starch-acrylonitrile copolymers, and crosslinked sodium carboxymethyl cellulose.
- a substance or an acrylic acid (salt) polymer or the like can be used.
- As the shape of the highly absorbent polymer particles a commonly used powder or granular material is preferable, but other shapes can also be used.
- the highly absorbent polymer particles those having a water absorption rate of 70 seconds or less, particularly 40 seconds or less, are preferably used. If the water absorption rate is too slow, so-called reversion, in which the liquid supplied into the absorber 56 returns to the outside of the absorber 56, is likely to occur.
- the highly absorbent polymer particles those having a gel strength of 1000 Pa or more are preferably used. As a result, even when the bulky absorber 56 is used, the sticky feeling after liquid absorption can be effectively suppressed.
- the basis weight of the highly absorbent polymer particles can be appropriately determined according to the amount of absorption required for the application of the absorber 56. Therefore, although it cannot be said unconditionally, it can usually be set to 50 to 350 g / m 2 .
- the absorber 56 can be incorporated as an absorbent element 50 wrapped in a packaging sheet 58 in order to prevent the highly absorbent polymer particles from coming off or to improve the shape retention of the absorber 56.
- tissue paper particularly crepe paper, non-woven fabric, non-woven fabric of polylami, a sheet having small holes, or the like can be used. However, it is desirable that the sheet does not allow the highly absorbent polymer particles to escape.
- a non-woven fabric is used instead of the crepe paper, a hydrophilic SMMS (spunbond / meltblown / meltblown / spunbond) non-woven fabric is particularly preferable, and polypropylene, polyethylene / polypropylene or the like can be used as the material.
- the fiber basis weight is preferably 5 to 40 g / m 2 , especially 10 to 30 g / m 2 .
- the packaging sheet 58 has a structure in which one sheet wraps the entire absorber 56, or a plurality of sheets such as two upper and lower sheets may wrap the entire absorber 56.
- the packaging sheet 58 may be omitted.
- the top sheet 30 extends from the front end to the rear end of the product in the front-rear direction and extends laterally from the absorber 56 in the width direction WD.
- the starting point of the rising gather 60 described later is more than the side edge of the absorber 56. If it is located on the center side of the WD in the width direction, or if necessary, the width of the top sheet 30 can be made shorter than the total width of the absorber 56, and the like can be appropriately deformed.
- the top sheet 30 has a skin contact area in contact with the wearer's skin. Further, the top sheet 30 is preferably a perforated non-woven fabric having hole arrangement regions in which holes 14 penetrating the front and back surfaces are arranged in a predetermined pattern. The shape, dimensions, arrangement pattern, etc. of the holes 14 can be appropriately determined. In FIG. 1, for the sake of legibility of the drawing, the holes 14 are shown only in a part D of the top sheet 30, but this does not indicate the hole arrangement region.
- the perforated non-woven fabric is not particularly limited, but a short-fiber non-woven fabric such as an air-through non-woven fabric is preferable from the viewpoint of flexibility, and the fineness is preferably about 1 to 5 dtex, particularly about 1 to 3 dtex, and the basis weight is It is preferably about 10 to 30 g / m 2.
- the hole arrangement region may be only the intermediate region of the front-rear direction LD in the top sheet 30 or only the intermediate region of the width direction WD in the top sheet 30 (there is a region having no hole 14 in a part). May be). Further, the hole arrangement region can be the entire top sheet 30. That is, as long as the hole arrangement region is provided in the skin contact region, it may extend to other regions (for example, regions where gather sheets 62 are adhered on both sides in the width direction WD).
- each hole 14 can be appropriately determined.
- the holes 14 have an elongated shape as shown in FIGS. 6 (a) and 6 (b), and have a perfect circular shape as shown in FIGS. 6 (c) (e) (f), 7 and 8 (FIG. 6 (c) (e) (f)). It can be any shape such as an ellipse, a triangle, a rectangle, a polygon such as a rhombus, a star shape, and a cloud shape as shown in d). Although not shown, holes 14 having different shapes may be mixed.
- the dimensions of the individual holes 14 are not particularly limited, but the dimensions in the front-rear direction (dimensions of the longest portion) 14L are preferably 0.5 to 2.0 mm, particularly 0.5 to 2.0 mm, and are preferably in the width direction.
- the dimension (dimension of the longest portion) 14W is preferably 0.5 to 2.0 mm, particularly 0.5 to 1.0 mm.
- shape of the hole 14 is long in the front-rear direction (a shape in which the total length in one direction is longer than the total length in the direction orthogonal to the total length in one direction) such as an elongated hole shape, an elliptical shape, a rectangle, a diamond shape, etc. Is preferably 1.2 to 2.5 times the dimension in the width direction orthogonal to this.
- the longitudinal direction of the hole 14 is preferably the MD direction of the non-woven fabric, but it may be the CD direction or an oblique direction inclined with respect to these.
- the MD direction of the perforated non-woven fabric forming the top sheet 30 is equal to the LD in the front-rear direction.
- the area and area ratio of the holes 14 in the hole arrangement region may be appropriately determined, but the area is preferably about 0.25 to 4.00 mm 2 , and the area ratio is about 0.1 to 10%. preferable.
- the arrangement pattern of the holes 14 can be appropriately determined. For example, as shown in FIGS. 6A, 6C, and 6D, in the arrangement pattern of the holes 14, rows of holes 14 linearly arranged at predetermined intervals in the front-rear direction LD have a predetermined interval in the width direction WD. It is preferable that the matrix is vacant and repeated. In this case, as shown in FIGS. 6 (a) and 6 (d), the distance 14y of the front-rear LDs of the holes 14 is shorter than the distance 14x of the width direction WDs of the holes 14, and the arrangement is shown in FIG. 6 (c).
- the distance between the front-rear LDs of the holes 14 14y and the distance 14x in the width direction WDs of the holes 14 are substantially equal, or as shown in FIGS. 6 (b) and 6 (e), the distance between the front-rear LDs of the holes 14
- the arrangement may be such that 14y is longer than the spacing 14x of the widthwise WD of the holes 14.
- the rows of holes 95 linearly arranged in the front-rear direction LD at predetermined intervals are spaced apart in the width direction WD and the positions of the front-rear direction LD are displaced. It can be arranged in line with.
- the example shown in FIGS. 6A and 6B is a so-called staggered (hexagonal lattice) arrangement in which the arrangement of the holes 14 is staggered in the rows 95 of the adjacent holes.
- the front-rear direction spacing 14y and the width direction spacing 14x of the holes 14 may be constant or variable, respectively. These can be appropriately determined, but for example, the anteroposterior distance 14y of the holes 14 can be 0.9 to 8.0 mm, particularly 1.0 to 3.0 mm, and the width direction distance 14x of the holes is 2.0. It can be up to 10 mm, especially 3.0 to 5.0 mm.
- the group 90 of the holes 14 arranged so as to form a single wavy 91 and 92 following the LD in the front-rear direction are arranged in the width direction WD. They can be arranged in the same phase or different phases at intervals.
- the wavy phases of the group 90 of the holes 14 adjacent to each other in the width direction WD are opposite to each other, and the virtual line connecting the holes 14 has a provoke pattern (standing pattern). is there. Further, as shown in FIG.
- the group 90 of the holes 14 arranged at intervals so as to form a chain following the LD in the front-rear direction can be arranged at intervals in the width direction WD.
- the group 90 of the holes 14 are lined up at intervals in the width direction WD means that there are no holes that are straight and continuous along the front-rear direction LD between the groups 90 of the holes 14 adjacent to the width direction WD.
- the cross-sectional shape of the hole 14 is not particularly limited.
- the hole 14 is a punched type hole whose peripheral edge is formed by a cut end of a fiber, there is almost no cut end of the fiber on the peripheral edge of the hole 14, and a pin is inserted between the fibers and expanded. It may be a non-punched type hole (high fiber density at the edge) formed in the above.
- the punched-type hole has a diameter of the hole 14 that becomes smaller toward the middle in the thickness direction, but is not shown, but becomes smaller toward one side in the thickness direction. You may.
- the non-punched type hole 14 becomes smaller as the diameter of the hole 14 increases from the pin insertion side to the opposite side. This includes those in which the diameter of the holes 14 continues to decrease over the entire thickness direction of the non-woven fabric layer, and those in which the decrease in the diameter of the holes 14 almost disappears in the middle of the thickness direction.
- fibers are extruded from the edge of the hole 14 on the side opposite to the pin insertion side to the side opposite to the pin insertion side.
- a portion (burr) 14e is formed and a protruding portion 14e is not formed on the pin insertion side, and as shown in FIG.
- fibers are pin-inserted at the edge of the hole 14 on the side opposite to the pin insertion side.
- a projecting portion 14e extruded to the side opposite to the side is formed, and a projecting portion 14e formed by extruding fibers to the pin insertion side is formed on the pin insertion side.
- the protruding portion 14e has a substantially uniform protruding height 14h, and as shown in FIG. 9C, the protruding portion 14e has a protrusion 14e.
- a facing portion having the highest protruding height 14i and a facing portion facing in a direction orthogonal to the facing portion having the lowest protruding height 14j are included.
- the protruding portion 14e has a continuous tubular shape in the circumferential direction of the hole, but the protruding portion 14e of a part or all of the hole 14 is formed only in a part of the circumferential direction of the hole 14. May be good.
- the protrusion heights 14h, 14i, 14j (apparent heights measured using an optical microscope without applying pressure) are preferably about 0.2 to 1.2 mm.
- the highest protruding height 14i in the protruding portion 14e is preferably about 1.1 to 1.4 times the lowest protruding height 14j.
- the protruding height of the protruding portion 14e may change in the circumferential direction of the hole 14.
- a protruding portion (burr) 14e is formed in which the protruding height 14i of the facing portion in the longitudinal direction of the hole 14 is higher than the protruding height 14j of the facing portion in the direction orthogonal to the longitudinal direction.
- the protruding portion 14e of the hole 14 may have a lower fiber density than the surrounding portion, but preferably has the same or higher fiber density.
- the perforated non-woven fabric has a fineness of 0.1 to 5.0 dtex (more preferably 1.0 to 3.0 dtex), a texture of 15 to 20 g / m 2 (more preferably 15 to 18 g / m 2 ), and a thickness of 0.
- a long fiber non-woven fabric of 3 to 0.8 mm more preferably 0.3 to 0.6 mm
- the protruding portion 14e formed at the edge of the hole 14 becomes low. ..
- the fibers are less likely to be extruded in the thickness direction when the pin insertion holes are formed.
- the fibers to which the force is applied by inserting the pin are continuous (continuous fibers) while being entangled throughout the non-woven fabric, and the movement of the fibers in the portion to which the force is applied by inserting the pin is suppressed by the portion connected to the outside. Is. Further, since the long-fiber non-woven fabric in the above-mentioned specific range basically has a moderately low fiber density, it is relatively easy to move the fibers in the direction orthogonal to the thickness direction.
- an intermediate sheet (also referred to as a "second sheet") 40 having a faster liquid permeation rate than the top sheet 30 can be provided.
- the intermediate sheet 40 is for quickly transferring the liquid to the absorber, enhancing the absorption performance by the absorber, and preventing the phenomenon of "reversion" of the absorbed liquid from the absorber.
- the intermediate sheet 40 may be omitted.
- the intermediate sheet 40 a liquid-permeable sheet such as a non-woven fabric can be used.
- the air-through non-woven fabric is particularly preferable because it is bulky. It is preferable to use a composite fiber having a core-sheath structure for the air-through non-woven fabric.
- the resin used for the core may be polypropylene (PP), but polyester (PET) having high rigidity is preferable.
- Basis weight is preferably 17 ⁇ 80g / m 2, 18 ⁇ 60g / m 2 is more preferable.
- the thickness of the raw material fiber of the non-woven fabric is preferably 2.0 to 10 dtex.
- eccentric fibers having no core in the center, hollow fibers, and eccentric and hollow fibers as mixed fibers of all or a part of the raw material fibers.
- the intermediate sheet 40 in the illustrated example is arranged in the center shorter than the width of the absorber 56, it may be provided over the entire width. Further, the intermediate sheet 40 may be provided over the entire length of the diaper, but may be provided only in the intermediate portion of the front-rear direction LD including the excretion position as shown in the illustrated example.
- the liquid-impermeable sheet 11 is not particularly limited, but is preferably one having moisture permeability.
- the liquid-impermeable sheet 11 is microporous obtained by kneading an inorganic filler in an olefin resin such as polyethylene or polypropylene, forming the sheet, and then stretching the sheet in the uniaxial or biaxial direction.
- the sheet can be preferably used.
- a non-woven fabric as a base material with improved waterproofness can also be used as the liquid-impermeable sheet 11.
- the liquid-impermeable sheet 11 extends in the same or wider range as the absorber 56 in the front-rear direction LD and the width direction WD, but if necessary, such as when other water-impervious means are present, the liquid-impermeable sheet 11 may extend. It is also possible to have a structure that does not cover the end portion of the absorber 56 in the front-rear direction LD and the width direction WD.
- the exterior non-woven fabric 12 covers the entire back side of the liquid-impermeable sheet 11 and gives the outer surface of the product a cloth-like appearance.
- the fiber basis weight of the exterior nonwoven fabric 12 is preferably 10 to 50 g / m 2 , particularly 15 to 30 g / m 2 , but is not limited thereto.
- the exterior non-woven fabric 12 can be omitted, in which case the liquid-impermeable sheet 11 can be extended to the side edge of the product.
- rising gathers 60 that stand up on the skin side of the wearer are provided on both sides of the WD in the width direction of the surface. Is preferable. Of course, the rising gather 60 can be omitted.
- the rising gather 60 of the illustrated example is composed of a gather sheet 62 substantially continuous in the width direction WD and an elongated gather elastic member 63 fixed to the gather sheet 62 in an extended state along the front-rear direction LD. ing.
- a water-repellent non-woven fabric can be used as the gather sheet 62, and a rubber thread or the like can be used as the gather elastic member 63.
- a plurality of elastic members may be provided, and one elastic member may be provided.
- the inner surface of the gather sheet 62 has a joint start end in the width direction on the side portion of the top sheet 30, and the outer portion in the width direction from the joint start end is the inner surface of each side flap SF, that is, liquid opaque in the illustrated example. It is bonded to the side portion of the sex sheet 11 and the side portion of the exterior nonwoven fabric 12 located outside in the width direction by a hot melt adhesive or the like.
- the central side in the width direction from the joint start end of the rising gather 60 is fixed on the top sheet 30 at both ends in the front-rear direction of the product, but the part between them is a non-fixed free part, and this freedom
- the portion rises due to the contraction force of the elastic member 63 and comes into close contact with the body surface.
- the tape-type disposable diapers of the illustrated example have a pair of end flap EFs having no absorber 56 extending to the anterior and posterior sides of the absorber 56, respectively, and lateral to both side edges of the absorber 56, respectively. It has a pair of side flap SFs that extend and do not have an absorber 56. As shown in the illustrated example, the side flap SF may be formed of a main body sheet (exterior non-woven fabric 12 or the like) continuous from the portion having the absorber 56, or may be formed by attaching another material.
- a side elastic member 64 made of an elongated elastic member such as rubber thread is fixed to each side flap SF in a state of being extended along the front-rear direction LD, whereby the leg circumference portion of each side flap SF is flat. It is configured as a gather. As shown in the illustrated example, the leg circumference elastic member 64 is provided between the gather sheet 62 and the liquid-impermeable sheet 11 on the outer side of the joint portion of the gather sheet 62 in the width direction near the joint start end, and also has a side flap. It can also be provided between the liquid-impermeable sheet 11 and the exterior non-woven fabric 12 in SF.
- a plurality of elastic members 64 around the legs may be provided on each side as shown in the illustrated example, or only one elastic member 64 may be provided on each side.
- the flat gather is a portion on which the contraction force of the side elastic member 64 acts (the portion in which the side elastic member 64 is shown). Therefore, in addition to the form in which the side elastic member 64 exists only in the flat gathered portion, the side elastic member 64 exists on the front side, the rear side, or both sides of the flat gathered portion, but the side elastic member 64 exists in other than the flat gathered portion.
- a contraction force acts on a part other than the flat gather. It also includes a structure in which the contractile force of the side elastic member 64 acts only on the flat gathered portion (substantially equivalent to not providing the elastic member).
- This tape-type disposable diaper has front wings 80 protruding to both the left and right sides at a position separated from the center in the front-rear direction of the product.
- the front wing can be omitted (that is, the shape does not change from the narrowest part of the product to the front end of the product).
- the dimension of the WD in the width direction of the front wing 80 can be appropriately determined, and can be, for example, 5 to 20% (particularly 7 to 15%) of the total length L of the article.
- the dimension of the width direction WD of the front wing 80 can be substantially the same as the dimension of the width direction WD of the rear wing 81 described later.
- This tape-type disposable diaper has rear wings 81 protruding from both the left and right sides at a position separated from the center in the front-rear direction of the product.
- the width direction WD of the rear wing 81 can be appropriately determined, and can be the same as the width direction of the front wing 80, or can be smaller or larger than the width direction of the front wing 80.
- Both side edges 15 of the product between the front wing 80 and the rear wing 81 are, for example, ⁇ 5 mm in a direction orthogonal to the center, centered on a direction in which the acute angle side crossing angle with respect to the anterior-posterior LD is less than ⁇ 2 degrees. Can have a substantially linear portion that passes through a range of widths of. Both side edges 15 of the product between the front wing 80 and the rear wing 81 may be wavy or arcuate (not shown) or may be linear as in the illustrated example.
- the rear wing passes from the lower edge of the front wing 80 through both side edges 15 of the product between the front wing 80 and the rear wing 81.
- the entire concave edge leading to the lower edge of 81 can be formed.
- the laminated structure of the front wing 80 and the rear wing 81 is determined by the laminated structure of the side flap SF, and in the illustrated example, the front wing 80 and the rear wing 81 are formed by the gather sheet 62 and the exterior non-woven fabric 12.
- a front extension sheet that projects laterally from the side flap SF may be provided, and the entire front wing 80 or a part of the front end side may be formed by the front extension sheet.
- a rear extension sheet that projects laterally from the side flap SF may be provided, and the entire rear wing 81 or a part of the tip side may be formed by the rear extension sheet.
- Various non-woven fabrics can be used as the front extension sheet and the rear extension sheet.
- the rear wing 81 is provided with a connecting portion 13A that is detachably connected to the ventral portion F when worn. That is, when wearing, both sides of the rear wing 81 are brought to the ventral side of the wearer, and the connecting portion 13A of the rear wing 81 is connected to the outer surface of the ventral portion F.
- a hook material male material
- a mechanical fastener hook-and-loop fastener
- the hook material has a large number of engaging protrusions on its connecting surface, and the shape of the engaging protrusions is a checkered shape, a J shape, a mushroom shape, a T shape, and a double J shape (J shape). Any known shape can be adopted, such as a shape in which objects are joined back to back.
- the connecting portion 13A can be directly attached to the rear wing 81, and as shown in the illustrated example, the connecting tape 13 having the connecting portion 13A can be attached to the rear wing 81.
- the structure of the connecting tape 13 is not particularly limited, but in the illustrated example, the tape mounting portion 13C fixed to the side flap SF, the tape main body 13B protruding from the tape mounting 13C, and the width direction of the tape main body 13B. It has a connecting portion 13A provided in the middle portion of the WD, and the tip side from the connecting portion 13A is a knob portion.
- a non-woven fabric, a plastic film, a polylami non-woven fabric, paper, or a composite material thereof can be used as the sheet material forming the tape attachment portion 13C to the tape main body portion 13B.
- the connecting portion of the connecting portion 13A on the outer surface of the ventral side portion F can be appropriately determined, and only the main body portion located between the left and right front wings 80 may be the connecting portion, or the main body portion may be connected.
- the range from the side portion to the base end side of the front wing 80 may be the connecting portion.
- the connecting portion 13A can be easily connected.
- the connecting portion 13A is a hook material (male material) of a mechanical fastener (hook-and-loop fastener)
- the connecting portion on the outer surface of the ventral portion F may be formed of a loop material (female material) or a non-woven fabric of the mechanical fastener.
- a material in which a loop thread is sewn on a plastic film is also known, but a long fiber non-woven fabric in which the continuous direction of fibers is WD in the width direction (fineness 2.0 to 4.0 dtex, meshing 20 to 50 g / m). 2. It is preferable from the viewpoint of air permeability and flexibility that a spunbonded non-woven fabric having a thickness of about 0.3 to 0.5 mm or the like is provided with a welded portion in which fibers are intermittently welded to each other at least in the width direction WD.
- the hook material can be connected to the exterior nonwoven fabric 12 without adding anything. If necessary, the loop material may be attached only to the connecting portion on the outer surface of the ventral portion F. Further, when the connecting portion 13A is an adhesive layer, a plastic film having a smooth surface, which is rich in adhesiveness, can be attached to the connecting portion on the outer surface of the ventral portion F.
- the top sheet 30 is preferably adhered to a member on the back side arranged on the back side of the top sheet 30 via a hydrophobic hot melt adhesive 31.
- the top sheet 30 fixing region may extend to other regions (for example, the entire top sheet 30) as long as it covers at least the entire pore arrangement region, or may be only the pore arrangement region.
- the members on the back side are the intermediate sheet 40, the packaging sheet 58, and the liquid impermeable sheet 11, but the members are not limited thereto.
- EVA type As the hydrophobic hot melt adhesive 31, EVA type, olefin type, polyester / polyamide type and the like can be used, and in particular, an adhesive rubber type (elastomer type) can be preferably used.
- the amount of the hydrophobic hot melt adhesive 31 to be applied can be appropriately determined, but usually it can be about 0.1 to 10 g / m 2.
- the coating amount of the hydrophobic hot melt adhesive 31 is about 0.5 to 5 g / m 2, it is preferable because the hot melt adhesive 31 can be suppressed from protruding from the holes 14, but it is preferably adhered by a skin care liquid described later. Since inhibition is likely to occur, it is desirable to combine it with a device for applying a skin care solution.
- the coating pattern of the hydrophobic hot-melt adhesive 31 can be appropriately determined, and a dense pattern (spray coating such as spiral, Z-shaped, wavy, etc.) in which minute non-coated portions are scattered is preferable, but slot coating is performed. It may be a continuous surface coating pattern such as.
- the skin contact region of the top sheet 30 is a liquid-containing region 32 containing a hydrophilic skin care liquid, and the liquid-containing region 32 and the pore arrangement region overlap each other. It has a region 33.
- an oil-soluble skin care liquid is used, when the skin care liquid comes into contact with the hydrophobic hot melt adhesive 31 in the overlapping region 33, the adhesion by the hot melt adhesive 31 is likely to be hindered (decrease in adhesive strength, resulting in interface peeling). Besides, including the failure of adhesion).
- the hydrophilic skin care liquid when used, when the skin care liquid comes into contact with the hydrophobic hot melt adhesive 31 in the overlapping region 33, the adhesion by the hot melt adhesive 31 is less likely to be hindered. As a result, the top sheet 30 is less likely to be partially peeled off from the member on the back side, and the holes 14 are prevented from being crushed or wrinkled at the peeled portion, so that the visibility of the holes 14 is less likely to be lowered.
- the entire liquid-containing region 32 may be the overlapping region 33, or only a part of the liquid-containing region 32 may be the overlapping region 33.
- the entire liquid-containing region 32 becomes the overlapping region 33 located in the pore arrangement region. That is, the arrangement of the liquid-containing region 32 is not limited as long as it has an overlapping region 33 between the liquid-containing region 32 and the pore arrangement region, and can be appropriately determined in consideration of the skin care effect and the amount used. For example, with an emphasis on the skin care effect of the crotch portion, as shown in FIG.
- the liquid-containing region 32 can be provided only in the middle of the LD in the front-rear direction of the top sheet 30.
- a liquid-containing region 32 that is continuous throughout the front-rear direction LD of the top sheet 30 may be provided, and in this case, the skin care liquid is contained in the first region 32a in the middle of the front-rear direction LD.
- the amount can be greater than the anterior and posterior second regions 32b.
- the content of the skin care liquid may be appropriately determined.
- the liquid-containing region 32 preferably has a portion having a content of 5 to 15 g / m 2 per unit area.
- the content of the skin care liquid is 2 as a whole of the liquid content region 32. ⁇ whether it is 20 g / m 2, preferably the portion of 5 ⁇ 15 g / m 2 or at least 20% of the area of the liquid containing region 32, or both.
- composition of the hydrophilic skin care solution is not particularly limited, and examples thereof include glycerin, propylene glycol, dipropylene glycol, 1,3-butylene glycol, polyethylene glycol, sorbitol, xylitol, and sodium pyrrolidone carboxylate.
- saccharides such as trehalose, mucopolysaccharides (for example, hyaluronic acid and its derivatives, chondroitin and its derivatives, heparin and its derivatives, etc.), elastin and its derivatives, collagen and its derivatives, NMF-related substances, lactic acid, urea, higher amino acids
- trehalose mucopolysaccharides
- mucopolysaccharides for example, hyaluronic acid and its derivatives, chondroitin and its derivatives, heparin and its derivatives, etc.
- elastin and its derivatives elastin and its derivatives
- collagen and its derivatives elastin and its derivatives
- NMF-related substances lactic acid, urea
- lactic acid urea
- It may be mainly composed of one or more kinds of octyldodecyl, seaweed extract, silane root (white and) extract, various amino acids and derivatives thereof, but it is a
- a moisturizer containing glycerin as a main component contains 70% by mass or more of glycerin as a component composition, and if necessary, one or more kinds selected from the group of emulsifiers, phosphoric acid esters, paraffins and surfactants are added as additives. It contains an agent.
- the surfactant an ether type nonionic surfactant and a nonionic surfactant including EO / PO type are preferable.
- the positional relationship between the liquid-containing region 32 and the pattern of the holes 14 can be appropriately determined.
- the pattern of the holes 14 is a pattern in which the rows 95 of the holes 14 arranged at intervals in the front-rear direction LD are arranged at intervals in the width direction WD.
- the skin care liquid is applied in a stripe shape along the LD in the anteroposterior direction (the liquid-containing region 32 is formed in a stripe shape), and the application width 32W of the skin care liquid is the hole 14 in the row 95 of the adjacent holes 14.
- the maximum value of the center spacing of the width direction WD is 14d or less, and the application interval 32X of the skin care liquid is more than twice the maximum value of the center spacing 14d of the width direction WD of the holes 14 in the row 95 of the adjacent holes 14.
- the adhesion inhibition of the hot melt adhesive 31 does not occur at all. For example, when the top sheet 30 after applying the hydrophilic skin care liquid is adhered to the back member using the hydrophobic hot melt adhesive 31, the adhesiveness of the hot melt adhesive 31 is somewhat impaired.
- the arrangement of the liquid-containing region 32 has the above positional relationship with respect to the pattern of the holes 14, even if the adhesion of the hot melt adhesive 31 is hindered and partial peeling occurs, the visibility is lowered. This is preferable because the number of holes 14 that may be formed is small.
- a group 90 of holes 14 (unit arrangement portion 94) arranged in a single wavy or chain shape following the LD in the front-rear direction are repeated.
- the group 90 of the holes 14 arranged at intervals in the width direction WD and adjacent to the width direction WD have the same or different phases of the front-rear LDs.
- the skin care liquid is applied in a striped shape, and the application width of the skin care liquid is 1/3 or less of the width 94W of the unit arrangement portion 94 of the holes 14 in the group 90 of the holes 14, and the application interval of the skin care liquid is Is preferably 1/3 or more of the width 94W of the unit arrangement portion 94 of the hole 14 in the group 90 of the hole 14. If the arrangement of the skin care liquid has the above positional relationship with respect to the pattern of the holes 14, even if the adhesion of the hot melt adhesive 31 is hindered and partial peeling occurs, a part of the unit arrangement portion 94 This is preferable because the visibility of the entire pattern is less likely to deteriorate.
- the "front-back direction” means the direction indicated by the symbol LD in the figure (vertical direction), and the “width direction” means the direction indicated by the WD in the figure (horizontal direction), and the front-back direction and the width direction. Are orthogonal.
- the "MD direction” and "CD direction” mean the flow direction (MD direction) in the manufacturing equipment and the lateral direction (CD direction) orthogonal to the flow direction, and one of them is the front-rear direction depending on the part of the product. And the other is in the width direction.
- the MD direction of the non-woven fabric is the direction of fiber orientation of the non-woven fabric.
- the fiber orientation is the direction along which the fibers of the non-woven fabric follow. For example, the measurement method based on the fiber orientation test method based on the zero-distance tensile strength of the TAPPI standard method T481 or the fiber orientation based on the tensile strength ratio in the anteroposterior direction and the width direction. It can be discriminated by a simple measuring method for determining the orientation direction.
- Front side means the side of the member that is closer to the wearer's skin when wearing a pants-type disposable diaper
- back side means the side of the member that is closer to the wearer's skin when wearing a pants-type disposable diaper. It means the far side.
- -"Area ratio means the ratio of the target part to the unit area, and is expressed as a percentage by dividing the total area of the target part (for example, holes) in the target area (for example, cover non-woven fabric) by the area of the target area. Is. In a form in which a large number of target portions are provided at intervals, it is desirable to set the target area to a size that includes 10 or more target portions and obtain the area ratio.
- the area ratio of the holes can be measured by the following procedure using, for example, VHX-1000, which is a trade name of KEYENCE, and the measurement conditions are set to 20 times. (1) Set it on a 20x lens and adjust the focus. Adjust the position of the non-woven fabric so that there are 4x6 holes.
- Elongation rate means the value when the natural length is 100%. For example, an elongation rate of 200% is synonymous with an elongation ratio of 2 times.
- Methodsuke is measured as follows. After pre-drying the sample or test piece, leave it in a test room or device under standard conditions (test location: temperature 23 ⁇ 1 ° C., relative humidity 50 ⁇ 2%) to bring it to a constant weight. Pre-drying refers to making a sample or test piece constant in an environment at a temperature of 100 ° C. It is not necessary to pre-dry the fibers having an official moisture content of 0.0%. A sample having a size of 100 mm ⁇ 100 mm is cut out from the test piece in a constant weight state using a sampling template (100 mm ⁇ 100 mm). The weight of the sample is measured and multiplied by 100 to calculate the weight per square meter, which is used as the basis weight.
- the "thickness" is automatically measured using an automatic thickness measuring device (KES-G5 handy compression measurement program) under the conditions of a load of 0.098 N / cm 2 and a pressurized area of 2 cm 2.
- the thickness of the perforated non-woven fabric is measured at a portion other than the holes and the protrusions around them.
- the water absorption rate shall be the "time to the end point" when JIS K7224-1996 "Water absorption rate test method for superabsorbent polymer" was performed using 2 g of super absorbent polymer and 50 g of physiological saline. ..
- Unfolded state means a state in which it is unfolded flat without shrinkage or slack.
- the dimensions of each part mean the dimensions in the unfolded state, not in the natural length state.
- the "maximum dimension" of the hole means the longer dimension of the MD direction dimension and the CD direction dimension.
- test or measurement shall be performed in a test room or equipment under standard conditions (test location: temperature 23 ⁇ 1 ° C, relative humidity 50 ⁇ 2%). To do.
- the present invention can be used for all disposable items such as pants-type disposable diapers, tape-type disposable diapers, pad-type disposable diapers, disposable swimwear, diaper covers, sanitary napkins, and the like.
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Abstract
Description
以下に述べる使い捨て着用物品は、このような知見に基づいてなされたものである。
装着者の肌に接する肌接触領域を含むトップシートを有し、
前記トップシートは、表裏に貫通する孔が所定のパターンで配列された孔配列領域を有する有孔不織布であり、
前記肌接触領域は、親水性のスキンケア液が含有された液含有領域、前記孔配列領域、並びにこれら液含有領域と孔配列領域とが重複した重複領域とを有しており、
前記トップシートは、少なくとも前記孔配列領域の全体にわたり、疎水性のホットメルト接着剤を介して、前記トップシートの裏側に配置された裏側の部材に接着されている、
ことを特徴とする使い捨て着用物品。
本使い捨て着用物品は、親水性のスキンケア液と疎水性のホットメルト接着剤とを組み合わせたところに特徴を有する。油溶性のスキンケア液を用いた場合、重複領域で疎水性のホットメルト接着剤にスキンケア液が接すると、ホットメルト接着剤による接着が阻害されやすい(接着力の低下、それによる界面剥離の他、接着の失敗を含む)のに対し、親水性のスキンケア液を用いた場合、重複領域で疎水性のホットメルト接着剤にスキンケア液が接すると、ホットメルト接着剤による接着が阻害されにくい。この結果、トップシートが部分的に裏側の部材から剥離しにくくなり、剥離部分における孔の潰れや皺の発生が防止されることにより、孔の視認性が低下しにくいものとなる。
前記有孔不織布は、繊度1~5dtex、目付け10~30g/m2のものであり、
前記親水性のスキンケア液は、グリセリンを主体とする保湿剤であり、
前記液含有領域は、単位面積当たりの含有量が5~15g/m2の部分を有しており、
前記疎水性のホットメルト接着剤の塗布量は0.1~10g/m2である、
第1の態様の使い捨て着用物品。
スキンケア液の種類・含有量や、ホットメルト接着剤の種類・塗布量は特に限定されるものではないが、トップシートに本態様のような一般的な不織布を用い、本態様のスキンケア液及びホットメルト接着剤を用いる場合、スキンケア液の含有量及びホットメルト接着剤の塗布量は本態様の範囲内とすることが好ましい。
前記孔の最大寸法は0.5~2mmであり、前記孔配列領域における孔の面積率は0.1~10%である、
第1又は2の態様の使い捨て着用物品。
孔の潰れや、皺を防止するために、ホットメルト接着剤は孔配列領域の全体にわたり塗布されていることが好ましいが、ホットメルト接着剤は孔からはみ出しやすくなるおそれがある。この場合、孔の最大寸法を小さくし、孔の数を減らすことが有効であるが、その場合には孔の視認性が低下するおそれが高くなる。したがって、前述の親水性スキンケア液と疎水性ホットメルト接着剤の組合せ等は、本態様の場合に特に意義あるものとなる。
前記パターンは、前後方向に間隔を空けて並ぶ孔の列が、幅方向に間隔を空けて並ぶパターンであり、
前記スキンケア液はストライプ状に塗布されており、
前記スキンケア液の塗布幅は、隣接する前記孔の列における孔の幅方向の中心間隔の最大値の2倍以下であり、
前記スキンケア液の塗布間隔は、隣接する前記孔の列における孔の幅方向の中心間隔の最大値の2倍以上である、
第1~3のいずれか1つの態様の使い捨て着用物品。
親水性スキンケア液と疎水性ホットメルト接着剤との組合せを採用したとしても、ホットメルト接着剤の接着阻害が全く発生しないわけではない。例えば、親水性スキンケア液を塗布した後のトップシートを疎水性ホットメルト接着剤を用いて裏側の部材に接着する場合、ホットメルト接着剤の接着性は多少は阻害される。これに対して、スキンケア液の配置が、孔のパターンに対して本態様の関係を有すると、仮にホットメルト接着剤の接着が阻害され、部分的な剥離が発生したとしても、視認性が低下するおそれのある孔が少なくて済むため好ましい。
前記パターンは、前後方向に続く一重の波状又は鎖状をなすように並んだ孔の群が、幅方向に間隔を空けて並ぶパターンであり、
幅方向に隣り合う孔の群は、前後方向の位相が同一又は異なっており、
前記スキンケア液はストライプ状に塗布されており、
前記スキンケア液の塗布幅は、前記孔の群における孔の単位配列部分の幅の1/3以下であり、
前記スキンケア液の塗布間隔は、前記孔の群における孔の単位配列部分の幅の1/3以上である、
第1~4のいずれか1つの態様の使い捨て着用物品。
親水性スキンケア液と疎水性ホットメルト接着剤との組合せを採用したとしても、ホットメルト接着剤の接着阻害が全く発生しないわけではない。例えば、親水性スキンケア液を塗布した後のトップシートを疎水性ホットメルト接着剤を用いて裏側の部材に接着する場合、ホットメルト接着剤の接着性は多少は阻害される。これに対して、スキンケア液の配置が、孔のパターンに対して本態様の関係を有すると、仮にホットメルト接着剤の接着が阻害され、部分的な剥離が発生したとしても、単位配列部分の一部であり、全体パターンの視認性が低下するおそれは少ないものとなるため好ましい。
前記パターンはモロッカン柄である、
第5の態様の使い捨て着用物品。
有孔不織布の孔の配列パターンは特に限定されるものではないが、本態様のように美的規則性のあるパターンで配列されている場合、パターン全体の視認性が特に重要となる。よって、本態様のような孔の配列において、第5の態様の位置関係は特に意義あるものとなる。なお、幅方向に隣り合う孔の群の位相が逆位相となる場合が、モロッカン柄(立涌柄)となるパターンである。
(吸収体)
吸収体56は、排泄液を吸収し、保持する部分であり、繊維の集合体により形成することができる。この繊維集合体としては、綿状パルプや合成繊維等の短繊維を積繊したものの他、セルロースアセテート等の合成繊維のトウ(繊維束)を必要に応じて開繊して得られるフィラメント集合体も使用できる。繊維目付けとしては、綿状パルプや短繊維を積繊する場合は、例えば100~300g/m2程度とすることができ、フィラメント集合体の場合は、例えば30~120g/m2程度とすることができる。合成繊維の場合の繊度は、例えば、1~16dtex、好ましくは1~10dtex、さらに好ましくは1~5dtexである。
吸収体56には、その一部又は全部に高吸収性ポリマー粒子を含有させることができる。高吸収性ポリマー粒子とは、「粒子」以外に「粉体」も含む。高吸収性ポリマー粒子としては、この種の吸収性物品に使用されるものをそのまま使用できる。高吸収性ポリマー粒子の粒径は特に限定されないが、例えば500μmの標準ふるい(JIS Z8801-1:2006)を用いたふるい分け(5分間の振とう)、及びこのふるい分けでふるい下に落下する粒子について180μmの標準ふるい(JIS Z8801-1:2006)を用いたふるい分け(5分間の振とう)を行ったときに、500μmの標準ふるい上に残る粒子の割合が30重量%以下で、180μmの標準ふるい上に残る粒子の割合が60重量%以上のものが望ましい。
高吸収性ポリマー粒子の抜け出しを防止するため、あるいは吸収体56の形状維持性を高めるために、吸収体56は包装シート58で包んでなる吸収要素50として内蔵させることができる。包装シート58としては、ティッシュペーパ、特にクレープ紙、不織布、ポリラミ不織布、小孔が開いたシート等を用いることができる。ただし、高吸収性ポリマー粒子が抜け出ないシートであるのが望ましい。クレープ紙に換えて不織布を使用する場合、親水性のSMMS(スパンボンド/メルトブローン/メルトブローン/スパンボンド)不織布が特に好適であり、その材質はポリプロピレン、ポリエチレン/ポリプロピレンなどを使用できる。繊維目付けは、5~40g/m2、特に10~30g/m2のものが望ましい。
トップシート30は、前後方向では製品前端から後端まで延び、幅方向WDでは吸収体56よりも側方に延びているが、例えば後述する起き上がりギャザー60の起点が吸収体56の側縁よりも幅方向WDの中央側に位置する場合等、必要に応じて、トップシート30の幅を吸収体56の全幅より短くする等、適宜の変形が可能である。
トップシート30を透過した液を速やかに吸収体へ移行させるために、トップシート30より液の透過速度が速い、中間シート(「セカンドシート」とも呼ばれている)40を設けることができる。この中間シート40は、液を速やかに吸収体へ移行させて吸収体による吸収性能を高め、吸収した液の吸収体からの「逆戻り」現象を防止するためのものである。中間シート40は省略することもできる。
液不透過性シート11は、特に限定されるものではないが、透湿性を有するものが好ましい。液不透過性シート11としては、例えば、ポリエチレンやポリプロピレン等のオレフィン系樹脂中に無機充填剤を混練して、シートを成形した後、一軸又は二軸方向に延伸して得られた微多孔性シートを好適に用いることができる。また、液不透過性シート11としては、不織布を基材として防水性を高めたものも用いることができる。
外装不織布12は液不透過性シート11の裏側全体を覆い、製品外面を布のような外観とするものである。外装不織布12の繊維目付けは10~50g/m2、特に15~30g/m2であると好ましいが、これに限定されるものではない。外装不織布12は省略することもでき、その場合には液不透過性シート11を製品の側縁まで延ばすことができる。
トップシート30上を伝わって横方向に移動する排泄物を阻止し、いわゆる横漏れを防止するために、表面の幅方向WDの両側には、装着者の肌側に立ち上がる起き上がりギャザー60が設けられていると好ましい。もちろん、起き上がりギャザー60は省略することもできる。
図示例のテープタイプ使い捨ておむつは、吸収体56の前側及び後側にそれぞれ延出する、吸収体56を有しない一対のエンドフラップEFと、吸収体56の両方の側縁よりも側方にそれぞれ延出する、吸収体56を有しない一対のサイドフラップSFとを有している。サイドフラップSFは、図示例のように、吸収体56を有する部分から連続する本体シート(外装不織布12等)からなるものであっても、他の素材を取り付けて形成してもよい。
各サイドフラップSFには、糸ゴム等の細長状弾性部材からなるサイド弾性部材64が前後方向LDに沿って伸長された状態で固定されており、これにより各サイドフラップSFの脚周り部分が平面ギャザーとして構成されている。脚周り弾性部材64は、図示例のように、ギャザーシート62の接合部分のうち接合始端近傍の幅方向の外側において、ギャザーシート62と液不透過性シート11との間に設けるほか、サイドフラップSFにおける液不透過性シート11と外装不織布12との間に設けることもできる。脚周り弾性部材64は、図示例のように各側で複数本設ける他、各側に1本のみ設けることもできる。
本テープタイプ使い捨ておむつは、製品の前後方向の中央よりも前側に離れた位置で、左右両側に突出する前ウイング80を有している。前ウイングは省略する(つまり、製品の最も幅の狭い部分から製品の前端まで幅が変化しない形状とする)こともできる。
本テープタイプ使い捨ておむつは、製品の前後方向の中央よりも後側に離れた位置で、左右両側に突出する後ウイング81を有している。
前ウイング80と後ウイング81との間における製品の両方の側縁15は、例えば、前後方向LDに対する鋭角側交差角が±2度未満の方向を中心として、当該中心と直交する方向に±5mmの幅の範囲を通るほぼ直線状の部分を有することができる。前ウイング80と後ウイング81との間における製品の両方の側縁15は、波状や弧状をなしていてもよい(図示略)し、図示例のように直線状であってもよい。
図示例のように、サイドフラップSFの側部を凹状に切除することにより、前ウイング80の下縁から、前ウイング80と後ウイング81との間における製品の両方の側縁15を経て後ウイング81の下縁に至る凹状縁の全体を形成することができる。この場合、サイドフラップSFの積層構造により前ウイング80及び後ウイング81の積層構造が決まり、図示例ではギャザーシート62及び外装不織布12により前ウイング80及び後ウイング81が形成される。図示しないが、サイドフラップSFから側方に突出する前延長シートを設け、前ウイング80の全体又は先端側の一部を前延長シートにより形成してもよい。同様に、サイドフラップSFから側方に突出する後延長シートを設け、後ウイング81の全体又は先端側の一部を後延長シートにより形成してもよい。前延長シート及び後延長シートとしては各種の不織布を用いることができる。
後ウイング81には、着用時に腹側部分Fと着脱可能に連結される連結部13Aを備えている。すなわち、着用に際しては、後ウイング81の両側部を装着者の腹側に持ち込み、後ウイング81の連結部13Aを腹側部分Fの外面に連結する。連結部13Aとしては、メカニカルファスナー(面ファスナー)のフック材(雄材)を設ける他、粘着剤層を設けてもよい。フック材は、その連結面に多数の係合突起を有するものであり、係合突起の形状としては、レ字状、J字状、マッシュルーム状、T字状、ダブルJ字状(J字状のものを背合わせに結合した形状のもの)等、公知のあらゆる形状を採用することができる。
トップシート30は、疎水性のホットメルト接着剤31を介して、トップシート30の裏側に配置された裏側の部材に接着されていると好ましい。このトップシート30固定領域は、少なくとも孔配列領域の全体にわたる限り、それ以外の領域まで(例えばトップシート30の全体)及んでいても、孔配列領域のみとなっていてもよい。裏側の部材は、図示例の場合、中間シート40、包装シート58、及び液不透過性シート11となっているが、これに限定されるものではない。
トップシート30の肌接触領域は、図7、図10、及び図11に示すように親水性のスキンケア液が含有された液含有領域32、及び液含有領域32と孔配列領域とが重複した重複領域33とを有する。油溶性のスキンケア液を用いた場合、重複領域33で疎水性のホットメルト接着剤31にスキンケア液が接すると、ホットメルト接着剤31による接着が阻害されやすい(接着力の低下、それによる界面剥離の他、接着の失敗を含む)。これに対して、親水性のスキンケア液を用いた場合、重複領域33で疎水性のホットメルト接着剤31にスキンケア液が接すると、ホットメルト接着剤31による接着が阻害されにくい。この結果、トップシート30が部分的に裏側の部材から剥離しにくくなり、剥離部分における孔14の潰れや皺の発生が防止されることにより、孔14の視認性が低下しにくいものとなる。
明細書中の以下の用語は、明細書中に特に記載が無い限り、以下の意味を有するものである。
(1)20倍のレンズにセットし、ピントを調節する。穴が4×6入るように不織布の位置を調整する。
(2)孔の領域の明るさを指定し、孔の面積を計測する。
(3)「計測・コメント」の「面積計測」の色抽出をクリックする。孔の部分をクリックする。
(4)「一括計測」をクリックし、「計測結果ウィンドを表示」にチェックを入れ、CSVデータで保存をする。
Claims (6)
- 装着者の肌に接する肌接触領域を含むトップシートを有し、
前記トップシートは、表裏に貫通する孔が所定のパターンで配列された孔配列領域を有する有孔不織布であり、
前記肌接触領域は、親水性のスキンケア液が含有された液含有領域、前記孔配列領域、並びにこれら液含有領域と孔配列領域とが重複した重複領域とを有しており、
前記トップシートは、少なくとも前記孔配列領域の全体にわたり、疎水性のホットメルト接着剤を介して、前記トップシートの裏側に配置された裏側の部材に接着されている、
ことを特徴とする使い捨て着用物品。 - 前記有孔不織布は、繊度1~5dtex、目付け10~30g/m2のものであり、
前記親水性のスキンケア液は、グリセリンを主体とする保湿剤であり、
前記液含有領域は、単位面積当たりの含有量が5~15g/m2の部分を有しており、
前記疎水性のホットメルト接着剤の塗布量は0.1~10g/m2である、
請求項1記載の使い捨て着用物品。 - 前記孔の最大寸法は0.5~2mmであり、前記孔配列領域における孔の面積率は0.1~10%である、
請求項1又は2記載の使い捨て着用物品。 - 前記パターンは、前後方向に間隔を空けて並ぶ孔の列が、幅方向に間隔を空けて並ぶパターンであり、
前記スキンケア液はストライプ状に塗布されており、
前記スキンケア液の塗布幅は、隣接する前記孔の列における孔の幅方向の中心間隔の最大値の2倍以下であり、
前記スキンケア液の塗布間隔は、隣接する前記孔の列における孔の幅方向の中心間隔の最大値の2倍以上である、
請求項1~3のいずれか1項に記載の使い捨て着用物品。 - 前記パターンは、前後方向に続く一重の波状又は鎖状をなすように並んだ孔の群が、幅方向に間隔を空けて並ぶパターンであり、
幅方向に隣り合う孔の群は、前後方向の位相が同一又は異なっており、
前記スキンケア液はストライプ状に塗布されており、
前記スキンケア液の塗布幅は、前記孔の群における孔の単位配列部分の幅の1/3以下であり、
前記スキンケア液の塗布間隔は、前記孔の群における孔の単位配列部分の幅の1/3以上である、
請求項1~4のいずれか1項に記載の使い捨て着用物品。 - 前記パターンはモロッカン柄である、
請求項5記載の使い捨て着用物品。
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| Application Number | Priority Date | Filing Date | Title |
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| BR112022008739-0A BR112022008739B1 (pt) | 2019-11-20 | 2020-11-18 | Artigo de vestir descartável |
| US17/773,777 US12377002B2 (en) | 2019-11-20 | 2020-11-18 | Disposable wearing article |
| KR1020227014239A KR102923383B1 (ko) | 2019-11-20 | 2020-11-18 | 일회용 착용 물품 |
| EP20889391.7A EP4046612A4 (en) | 2019-11-20 | 2020-11-18 | DISPOSABLE CARRY ITEM |
| CN202080074896.1A CN114615962B (zh) | 2019-11-20 | 2020-11-18 | 一次性穿着物品 |
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| CN (1) | CN114615962B (ja) |
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| WO2024061842A1 (en) | 2022-09-19 | 2024-03-28 | Bachem Holding Ag | Improved oligonucleotide synthesis |
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| JP6488040B1 (ja) * | 2018-03-20 | 2019-03-20 | 大王製紙株式会社 | テープタイプ使い捨ておむつ |
| JP2022147053A (ja) * | 2021-03-23 | 2022-10-06 | 大王製紙株式会社 | 使い捨て着用物品及びその製造方法 |
| JP2023045583A (ja) * | 2021-09-22 | 2023-04-03 | 大王製紙株式会社 | 使い捨て着用物品 |
| JP2023102625A (ja) * | 2022-01-12 | 2023-07-25 | 花王株式会社 | 吸収性物品 |
| JP7212804B1 (ja) * | 2022-01-31 | 2023-01-25 | 大王製紙株式会社 | 使い捨て着用物品 |
| CN116919726B (zh) * | 2022-03-31 | 2026-03-24 | 江苏锦琪昶新材料有限公司 | 一种柔软干爽双层复合材料及其制备装置、方法和卫生用品 |
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| TW202120050A (zh) | 2021-06-01 |
| US12377002B2 (en) | 2025-08-05 |
| CN114615962A (zh) | 2022-06-10 |
| EP4046612A1 (en) | 2022-08-24 |
| KR20220103700A (ko) | 2022-07-22 |
| TWI854062B (zh) | 2024-09-01 |
| EP4046612A4 (en) | 2023-09-27 |
| US20230218450A1 (en) | 2023-07-13 |
| JP6911090B2 (ja) | 2021-07-28 |
| JP2021078869A (ja) | 2021-05-27 |
| CN114615962B (zh) | 2023-07-04 |
| BR112022008739A2 (pt) | 2022-07-26 |
| KR102923383B1 (ko) | 2026-02-04 |
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