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WO2003015671A1 - Agent d'absorption et article absorbant - Google Patents

Agent d'absorption et article absorbant Download PDF

Info

Publication number
WO2003015671A1
WO2003015671A1 PCT/JP2002/007900 JP0207900W WO03015671A1 WO 2003015671 A1 WO2003015671 A1 WO 2003015671A1 JP 0207900 W JP0207900 W JP 0207900W WO 03015671 A1 WO03015671 A1 WO 03015671A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressed
absorbent
absorber
exposed
compression
Prior art date
Application number
PCT/JP2002/007900
Other languages
English (en)
Japanese (ja)
Inventor
Migaku Suzuki
Satomi Takematsu
Katsuhiko Sugiyama
Kazuyo Mori
Original Assignee
Japan Absorbent Technology Institute
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 Japan Absorbent Technology Institute filed Critical Japan Absorbent Technology Institute
Publication of WO2003015671A1 publication Critical patent/WO2003015671A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • 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
    • A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
    • A61F13/47218—Sanitary towels, incontinence pads or napkins specially adapted for female use with a raised crotch region, e.g. hump
    • 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
    • A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
    • A61F13/2051—Tampons, e.g. catamenial tampons; Accessories therefor characterised by the material or the structure of the inner absorbing core
    • 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
    • A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
    • A61F13/47218—Sanitary towels, incontinence pads or napkins specially adapted for female use with a raised crotch region, e.g. hump
    • A61F13/47227—Sanitary towels, incontinence pads or napkins specially adapted for female use with a raised crotch region, e.g. hump for interlabial use
    • 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
    • A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent 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 specially adapted to be worn around the waist, e.g. diapers, nappies
    • A61F13/495—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 specially adapted to be worn around the waist, e.g. diapers, nappies with faecal cavity
    • 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
    • A61F13/535—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 inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
    • 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
    • A61F2013/530437—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 a part with elevated absorption means
    • 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
    • A61F2013/530802—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 characterized by the foam or sponge other than superabsorbent

Definitions

  • the present invention relates to an absorbent body and an absorbent article using the same, and more particularly, to an absorbent body having improved absorption performance by improving adhesion to a wearer's body and a urine pad using the same.
  • the present invention relates to absorbent articles such as urinary incontinence products and disposable diapers.
  • absorbents used in absorbent articles such as disposable diapers and urine pads have been formed mainly of cottony pulp and an absorbent polymer (hereinafter sometimes abbreviated as SAP). Since a large amount of other body fluids are absorbed and retained, they can be used for a long time, and the amount of absorbent articles using such absorbers is increasing year by year.
  • SAP absorbent polymer
  • JP-A-63-264971, JP-A-3-206614, etc. use a crosslinked cellulose in which the inside of a fiber is crosslinked.
  • a method for improving the compression recovery of the fiber thereby improving the absorption rate.
  • the absorption rate of the liquid is high, the retention capacity is poor, so that the bodily fluid once absorbed returns to the top sheet, and the top sheet is indefinitely wet, making the wearer uncomfortable. And may cause rash.
  • adhesion to the wearer's body is still poor, If used for a long time, it may cause leakage.
  • such a method has a problem in that the cost of the product is increased due to the necessity of chemical treatment of cellulose, and is disadvantageous for thinning the absorber due to its large volume. Disclosure of the invention
  • the present invention solves the above-mentioned problems of the conventional absorber, and has good adhesiveness to the wearer's body, particularly to a body fluid outlet, even when formed into a thin shape, and has excellent absorption performance.
  • An object of the present invention is to provide an absorber having a leakage preventing effect, and an absorbent article using the absorber.
  • the present invention for solving the above problems of the conventional absorber includes the following inventions.
  • a top sheet positioned on the side facing the wearer's skin, a back sheet positioned on the side facing the clothing, and an absorbent material disposed between the two sheets for absorbing and retaining discharged body fluids
  • a compression body which is disposed at least partially in contact with the absorbent material and expands its volume three times or more by liquid absorption, wherein the compression body has at least a part thereof.
  • An absorber characterized by being exposed from the topsheet surface.
  • the exposed portion of the compressed body has (1) a guide function of absorbing and expanding the body fluid and diffusing and guiding the body fluid to the absorbent material, or (2) absorbing a fluid when the body fluid is discharged, It has a function of guiding the bodily fluid to the absorbent material while expanding to increase the degree of adhesion to the outlet.
  • the topsheet is exposed from the topsheet surface at a portion of the topsheet corresponding to a crotch part of the wearer; or (2) at least a portion of the topsheet.
  • the topsheet is exposed from the topsheet surface at a portion corresponding to the body fluid discharge port of the wearer, or (3) at least a part of the absorber is on both side edges and / or both end edges from the topsheet surface.
  • the exposed portion of the compression body functions as a leak-proof wall that prevents liquid from absorbing and expanding when the body fluid is discharged.
  • the compression body comprises: (1) at least a part thereof is exposed to the surface of the absorbent material, and the remaining part is incorporated in the absorbent material; or (2) a filament bundle is compressed. Is done.
  • At least a part of the exposed portion of the compressed body is in a non-compressed state in which it is easier to make close contact with the body of the wearer.
  • a part of the compressed filament bundle is cut to form a non-compressed portion, and an expanded fiber portion having a large number of generated terminals is disposed at a portion corresponding to a body fluid outlet.
  • the compressed body is constituted by compressing an aggregate of short fibers, or (2) is constituted by compressing a nonwoven fabric sheet, or (3) is formed by compressing a foam. Or (4) coated with a liquid-permeable sheet.
  • the liquid permeable sheet is (1) arranged with a margin so as not to hinder the expansion of the compressed body, or (2) expanded with the expansion of the compressed body.
  • the present invention is an absorbent article using the absorber according to any of the above.
  • the absorber of the present invention is quickly diffused and guided into the absorbent material when bodily fluids are discharged, even when the absorber is formed to be thin, due to the action of the compression body disposed in the absorbent material. Since it is well absorbed and retained by the absorbent material, the absorbent material can be effectively used without waste, and has an excellent leakage prevention effect.
  • the absorbent article of the present invention using such an absorber has excellent fit without forming a gap with the wearer's skin due to the action of the compressed body even when formed into an ultra-thin body.
  • bodily fluids when bodily fluids are drained, they are quickly absorbed, so that the body can always maintain a dry feeling.
  • the product before use, the product can be made compact, which offers excellent effects on distribution costs, storage space, and portability.
  • FIG. 1 is a plan view showing one embodiment of the absorber of the present invention.
  • FIG. 2 is a cross-sectional view showing a state where the absorber shown in FIG. 1 is cut along the line XX ′.
  • FIG. 3 is a plan view of an absorber of the present invention showing an example different from FIG.
  • FIG. 4 is a plan view of an absorber of the present invention showing an example different from FIGS. 1 and 3.
  • FIG. 5 is a plan view of the absorber of the present invention showing an example different from FIGS. 1, 3, and 4.
  • FIG. 4 is a plan view of an absorber of the present invention showing an example different from FIGS. 1 and 3.
  • FIG. 6 is a plan view of an absorber of the present invention showing an example different from the above example.
  • FIG. 7 is a plan view of the absorber of the present invention showing an example different from the example shown above.
  • FIG. 8 is a diagram showing an absorbent article using the absorber of the present invention.
  • FIG. 9 is a view showing an example of a pre-compression shape of the compression body 5 used in the present invention.
  • FIG. 10 is a diagram illustrating a compression method when the compression body of FIG. 9 is subjected to high-pressure compression molding.
  • FIG. 11 is a diagram showing another example of the pre-compression shape of the compression body used in the present invention.
  • FIG. 12 is a diagram showing an example of a compression method when the compact of FIG. 11 is subjected to high-pressure compression molding from above and below.
  • FIG. 13 is a diagram illustrating an example of a compression method when the compact of FIG. 11 is subjected to high-pressure compression molding from the left and right.
  • FIG. 14 is a diagram showing an example of the shape before compression of the compression body used in the present invention, which is different from the example shown above.
  • FIG. 15 is a diagram illustrating an example of a compression method when the compressed body of FIG. 14 is subjected to high-pressure compression molding from above, below, right and left.
  • FIG. 16 is a diagram showing an example of a compression method when only a part of the compressed body of FIG. 14 from the left and right is subjected to high-pressure compression molding.
  • the absorbent body according to the present invention includes a top sheet, a back sheet, an absorbent material that absorbs and retains a bodily fluid disposed between the two sheets, and a compression disposed in the absorbent material. And at least a part of the compressed body is exposed to the surface of the top sheet or ⁇ .
  • the absorbent body of the present invention having such a structure has a property that the compressed body expands its volume three times or more due to liquid absorption and further diffuses the absorbed liquid, and when the body fluid is discharged, The exposed part of the compressed body absorbs and swells, and the body fluid diffuses and is guided to the absorbent material through the exposed part, and is efficiently absorbed and held by the absorbent material, so that the absorbent material is effectively used without waste. It has excellent leakage prevention effect.
  • the compressed body is exposed from the top sheet surface at the crotch, particularly at the site of the bodily fluid discharge port, so that when the bodily fluid is discharged, the exposed portion absorbs and expands the bodily fluid. This increases the degree of close contact with the outlet, and furthermore, the body function is diffused and guided to the absorbent material by the guide function of the exposed portion, so that it is particularly effective when the body fluid is discharged at a high speed.
  • the body fluid outlet is concave, and the discharged body fluid often flows down the body and causes leakage, so adhesion is important.
  • the exposed part of the compressed body be located at the crotch, and the exposed part absorbs the bodily fluid accumulated at the crotch and absorbs the material. It is effective when a large amount of bodily fluid is discharged at once because it diffuses and induces water.
  • the compressed body is exposed to the surface of the absorbent material, and the remaining part is embedded and arranged in the absorbent material.
  • the compressed body absorbs and expands to push up the absorbent material, and voids are formed in the absorbent material to temporarily hold the bodily fluids, thereby increasing the absorption efficiency of the absorber. it can.
  • the exposed portion of the compressed body absorbs and expands when the body fluid is discharged, It is preferable because it functions as a leakage prevention wall for preventing leakage of bodily fluids.
  • the absorbent material constituting the absorbent body of the present invention a material obtained by using wood pulp or fluff pulp made of cotton-like non-wood pulp in combination with an absorbent polymer is used. Or a mixture or laminate of heat-fused fibers You. Further, a laminated structure in which the whole is wrapped with a tissue may be used to prevent the absorbent polymer from jumping out. In order to make it thinner and more compact, it is preferable to use one having a structure containing 50% or more of a water-absorbing polymer.
  • a sheet-like composite comprising a nonwoven fabric substrate, a water-absorbing polymer and microfibril cellulose is used. More specifically, a coating liquid in which an absorbent polymer and microfibril cellulose are dispersed in a mixed solution of propylene glycol-methanol and water is used as a polyethylene, polypropylene, polyester, other thermoplastic resin or rayon, It is a sheet-like composite mainly composed of an absorbent polymer applied to a coating substrate made of cotton, cell mouth, or the like. Microfibril cellulose is an ultrafine fiber with an average fiber length of 0.1 mm or less, obtained by opening wood pulp under a high share.
  • the sheet-like composite is obtained by coating an absorbent polymer on a nonwoven fabric, a line coat of an arbitrary width is possible.
  • the coating pattern can be selected from a combination of a front coat and a line coat, or only a line coat.
  • a plurality of the sheet-like composites may be used by stacking them, or a sheet-like composite obtained by folding a band-like sheet-like composite into multiple layers may be used.
  • the compressed body used in the present invention has a property of swelling three times or more in volume due to liquid absorption, and further has a property of diffusing the absorbed liquid.
  • Compressed bodies having such properties include natural fibers and synthetic fibers, preferably relatively short fibers having a fiber length of about 10 to 9 Omm, cellulose such as rayon, cotton, lyocell, and acetate. Formed by using a staple fiber, or a staple fiber that is a mixture of these cellulosic fibers and synthetic fibers, with a card web machine to form a mat, and then press-compressing this at a high pressure to form a compact. Is used. Further, the compressed body used in the present invention includes spunbond, card web, and spunlace nonwoven fabrics made of polyethylene, polypropylene, polyester, etc., preferably, TCF, Venrize, rayon spunlace having good liquid permeability.
  • a non-woven fabric made of a cellulosic material such as air-laid pulp is folded, matted, and then subjected to high-pressure compression molding in a cell, for example, as disclosed in JP-A-54-147694. Compression moldings are used. Further, as the compressed body used in the present invention, a filament bundle (tow) of acetate, polyester, polyethylene Z polyester or the like, preferably a filament bundle subjected to a hydrophilic treatment to enhance liquid permeability, is used. Compression molded as in Yuichi Tobacco Fill is used.
  • foams such as urethane foam, cellulose sponge, PVA sponge, etc., preferably those which have been subjected to a hydrophilic treatment in order to enhance liquid permeability into a mat shape. Pressed into a cell and compression molded into a sphere, rod, or strip.
  • the compressed body used in the present invention is at least partially exposed from the top sheet surface.
  • the shape of the exposed portion of the compression body can be any shape such as a rectangle, a square, a triangle, a circle, an ellipse, a ring, a horseshoe, and the like.
  • bonding and fixing there is a method of bonding a part or the whole of the bonding surface.
  • bonding means include hot melt adhesive, melting by pressure, and bonding by sewing. In the case of bonding by suturing, there is an effect that only the bonded portion of the compressed body is not expanded at the time of swelling.
  • the exposed portion of the compressed body is a portion that is in close contact with the wearer's body
  • a compressed body is formed from the above-described filament bundle, and the filament bundle in a portion of the exposed portion that is in close contact with the wearer's bodily fluid outlet is cut into discrete fiber portions. Can be formed.
  • the compressed body when the compressed body is formed of a highly hydrophilic material such as cellulosic fiber, lack of dry feeling to the body is felt, and fluff is generated on a surface such as a cotton body or a tow. If it is made of such a material, it may cause discomfort to the wearer when it comes into contact with the body, so the surface of the compressed body should be made of hydrophobic material such as polypropylene spunbond, synthetic fiber net, or polyethylene apertured film. It is preferable to cover with a liquid permeable sheet made of a conductive material.
  • a method may be used in which a compressed body is formed and then covered with a liquid-permeable sheet made of a stretchable material such as stretchable spun pond or elastic net.
  • a liquid-permeable sheet made of a material generally used as a sanitary material is used.
  • a sheet such as a nonwoven fabric, a perforated nonwoven fabric, or a mesh sheet made of polyethylene, polypropylene, polyester, or other synthetic fibers made from other thermoplastic resins can be used.
  • a liquid-impermeable sheet made of a material generally used as a sanitary material is used.
  • a liquid-impermeable polyethylene sheet is widely used.
  • a liquid-impermeable polyethylene sheet is used, or a moisture-permeable sheet such as a polyethylene sheet provided with a filler added to a thermoplastic resin and stretched.
  • Using a liquid-impermeable sheet reduces stuffiness and is comfortable.
  • the liquid impermeable sheet may be used alone, or may be used by laminating with a plurality of nonwoven fabrics.
  • the knock sheet is not necessarily liquid-impermeable. It does not need to be permeable, and can be formed of a liquid permeable material. It is preferable that the back sheet is formed of a liquid-permeable material because the air permeability becomes good and stuffiness is prevented.
  • an absorbent article such as a urine pad, a light incontinence pad, or a disposable diaper can be formed by using the absorbent of the present invention as it is or in combination with other materials.
  • FIG. 1 is a plan view showing an embodiment of the absorber of the present invention
  • FIG. It is a cross-sectional view showing the state where the absorber was cut along the line X-X '.
  • an exposed portion 6 of a compression body having an elliptical shape in the longitudinal direction is formed in the absorber 1 at a central portion of the crotch region so as to penetrate the top sheet 2 as shown in FIG. I have.
  • the absorber 1 includes a top sheet 2, a knock sheet 3, an absorbent material 4 disposed between the two sheets, and an absorbent material 4 disposed therein. And a compression body 5. Further, the compressed body 5 includes a non-compressed portion 7 and a compressed portion 8, and a part of the non-compressed portion 7 is exposed from the top sheet 2 surface to form an exposed portion 6.
  • the compression body 5 is formed by the non-compression part 7 and the compression part 8 is shown, but the whole may be formed only by the compression part.
  • FIG. 3 is a plan view of an absorber according to the present invention, showing an example different from FIG.
  • the exposed portion 6 of the compression body penetrates the top sheet of the absorber 1 and is formed in an elliptical shape in the width direction at the center of the crotch region.
  • the exposed portion 6 expands by absorbing the body fluid and forms a weir that divides the absorber 1 back and forth, so that urine and feces can be separated.
  • FIG. 4 is a plan view of the absorber of the present invention, showing an example different from FIGS. 1 and 3.
  • the exposed portions 6 of the compression body are formed in the both end regions of the absorber 1 in an elliptical shape in the width direction.
  • the exposed portion 6 expands by absorbing the body fluid, and weirs are formed in both end regions of the absorber 1, thereby preventing leakage from the end.
  • FIG. 5 is a plan view of the absorber of the present invention, showing an example different from FIGS. 1, 3 and 4.
  • the exposed portion 6 of the compressed body is located It is formed in an elliptical shape in the direction.
  • the exposed portion 6 expands by absorbing the bodily fluid, and weirs are formed in both side edge regions of the absorber 1, thereby preventing leakage from the side edge portion.
  • FIG. 6 is a plan view of an absorber of the present invention showing an example different from the above example.
  • the exposed portion 6 of the compression body is formed in an annular shape, and when arranged closer to the abdomen than the center of the absorber 1, also has a role of fixing the male penis, and the center of the absorber 1 If the exposed portion 6 absorbs body fluids and expands, a weir is formed if the wearer's bowel opening is fitted to the center of the exposed portion 6 However, urine and stool can be separated. It can also have the effect of relieving body pressure in patients with hemorrhoids.
  • the top sheet disposed in the portion surrounded by the annular exposed portion 6 is intermittently joined to the surface of the compressed body or the surface of the absorbent material via an adhesive.
  • the compressed body or when the absorbent material located at this portion is formed of a sheet-like composite, it is not always necessary to arrange the top sheet.
  • FIG. 7 is a plan view of an absorber according to the present invention, showing an example different from the examples shown above.
  • the exposed portion 6 of the compression body is formed in a horseshoe shape, and the same effect as in the example of FIG. 6 can be obtained.
  • FIG. 8 is a plan view showing one embodiment of an absorbent article using the absorber of the present invention. At the exposed portion arranged at the center of the absorbent article 9, the compressed body 5 expands when the bodily fluid is discharged, and the bodily fluid is quickly absorbed by the absorbent body 1.
  • FIG. 9 shows an example of a pre-compression shape of the compression body 5 used in the present invention
  • FIG. 10 shows an example of a compression method when these are subjected to high-pressure compression molding.
  • FIG. 9 shows a state in which a web-shaped nonwoven fabric or the like is rolled in a mouth shape
  • FIG. 10 shows a state in which these are subjected to high pressure compression molding from above and below.
  • FIG. 11 shows an example of the shape before compression of the compressed body 5 used in the present invention, which is different from the above-described example.
  • FIGS. 12 and 13 show the shapes when these are subjected to high-pressure compression molding.
  • Fig. 11 shows a state in which the filament bundle (toe) is converged
  • Fig. 12 shows a state in which high-pressure compression molding is performed from above and below
  • Fig. 13 shows a state in which high-pressure compression molding is performed from right and left.
  • FIG. 14 shows an example of the pre-compression shape of the compression body 5 used in the present invention, which is further different from the above-described example.
  • FIGS. 15 and 16 show these shapes under high pressure compression molding. The following shows an example of the compression method used in this case.
  • FIG. 14 shows a state in which the foam is formed into a cylindrical shape
  • FIG. 15 shows a state in which high-pressure compression molding is performed from the top, bottom, left and right
  • FIG. 16 shows a state in which only a part is compressed in high pressure from the left and right.
  • the absorbent according to the present invention and the absorbent article using the same are improved in the adhesiveness to the wearer's body and have improved absorbent performance, as well as urine pads, urinary incontinence products and disposable diapers using the same. It is suitable for use as an absorbent article such as.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un agent d'absorption et un article absorbant utilisant ledit agent d'absorption. Cet agent d'absorption et cet article absorbant comprennent une feuille supérieure, une feuille arrière, un matériau absorbant disposé entre ces deux feuilles et un corps comprimé disposé dans le matériau absorbant, lequel corps comprimé peut se dilater en absorbant un liquide. Une partie exposée est formée par une partie du corps comprimé qui n'est pas recouverte par une surface de la feuille supérieure.
PCT/JP2002/007900 2001-08-16 2002-08-02 Agent d'absorption et article absorbant WO2003015671A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001-246917 2001-08-16
JP2001246917A JP4146110B2 (ja) 2001-08-16 2001-08-16 吸収体及び吸収体製品

Publications (1)

Publication Number Publication Date
WO2003015671A1 true WO2003015671A1 (fr) 2003-02-27

Family

ID=19076357

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/007900 WO2003015671A1 (fr) 2001-08-16 2002-08-02 Agent d'absorption et article absorbant

Country Status (2)

Country Link
JP (1) JP4146110B2 (fr)
WO (1) WO2003015671A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024533698A (ja) * 2021-09-23 2024-09-12 ピュアウィック コーポレイション １つ以上の漏れ防止特徴を備える液体収集アセンブリ

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7314967B2 (en) * 2004-05-26 2008-01-01 The Procter & Gamble Company Moisture responsive sealing members in disposable absorbent articles
JP4583106B2 (ja) * 2004-08-12 2010-11-17 ユニ・チャーム株式会社 陰唇間パッド
US20090299312A1 (en) * 2008-05-30 2009-12-03 Kimberly-Clark Worldwide, Inc. Twisted, Compressed Substrates as Wetness Indicators in Absorbent Articles
US8324445B2 (en) 2008-06-30 2012-12-04 Kimberly-Clark Worldwide, Inc. Collection pouches in absorbent articles
JP6699046B2 (ja) * 2016-04-22 2020-05-27 日本製紙クレシア株式会社 吸収性物品

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987001914A1 (fr) * 1985-10-03 1987-04-09 Mölnlycke AB Procede de production d'un article absorbant et article produit selon ce procede
JPH021267A (ja) * 1987-10-13 1990-01-05 Kimberly Clark Corp 吸収性物品
WO1994009737A1 (fr) * 1992-10-26 1994-05-11 The Procter & Gamble Company Article hygienique absorbant a noyau composite
JPH08164162A (ja) * 1994-12-15 1996-06-25 Tomey Technol Corp 棒状吸収具
WO1999055265A1 (fr) * 1998-04-28 1999-11-04 The Procter & Gamble Company Articles absorbants comprenant des matieres de repartition disposees sous la matiere de retenue

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987001914A1 (fr) * 1985-10-03 1987-04-09 Mölnlycke AB Procede de production d'un article absorbant et article produit selon ce procede
JPH021267A (ja) * 1987-10-13 1990-01-05 Kimberly Clark Corp 吸収性物品
WO1994009737A1 (fr) * 1992-10-26 1994-05-11 The Procter & Gamble Company Article hygienique absorbant a noyau composite
JPH08164162A (ja) * 1994-12-15 1996-06-25 Tomey Technol Corp 棒状吸収具
WO1999055265A1 (fr) * 1998-04-28 1999-11-04 The Procter & Gamble Company Articles absorbants comprenant des matieres de repartition disposees sous la matiere de retenue

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2024533698A (ja) * 2021-09-23 2024-09-12 ピュアウィック コーポレイション １つ以上の漏れ防止特徴を備える液体収集アセンブリ

Also Published As

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JP4146110B2 (ja) 2008-09-03

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