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WO1986005661A1 - Garniture jetable restant seche au toucher - Google Patents

Garniture jetable restant seche au toucher Download PDF

Info

Publication number
WO1986005661A1
WO1986005661A1 PCT/JP1985/000157 JP8500157W WO8605661A1 WO 1986005661 A1 WO1986005661 A1 WO 1986005661A1 JP 8500157 W JP8500157 W JP 8500157W WO 8605661 A1 WO8605661 A1 WO 8605661A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
absorbent
weight
disposable diaper
liquid
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
Application number
PCT/JP1985/000157
Other languages
English (en)
Japanese (ja)
Inventor
Fusayoshi Masuda
Koji Mita
Sotoru Tachi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Chemical Industries Ltd
Original Assignee
Sanyo Chemical Industries Ltd
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 Sanyo Chemical Industries Ltd filed Critical Sanyo Chemical Industries Ltd
Priority to PCT/JP1985/000157 priority Critical patent/WO1986005661A1/fr
Publication of WO1986005661A1 publication Critical patent/WO1986005661A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • A61F13/53—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
    • A61F13/531—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 homogeneous composition through the thickness of the pad
    • A61F13/532—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 homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A61F13/5323—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 homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having absorbent material located in discrete regions, e.g. pockets
    • 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
    • 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
    • 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
    • A61F2013/15365—Dimensions
    • A61F2013/15373—Calliper, i.e. thickness
    • 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
    • A61F2013/51002—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 with special fibres
    • A61F2013/51038—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 with special fibres being a mixture of fibres
    • A61F2013/51042—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 with special fibres being a mixture of fibres with hydrophobic and hydrophilic fibres

Definitions

  • the present invention relates to a disposable disposable diaper having improved ease of wearing.
  • the present invention provides a liquid-permeable exterior material layer (1), a superabsorbent polymer or an absorbent layer (3) comprising 80% by weight or less of absorbent starvation, and a liquid-permeable exterior material layer.
  • the absorbent composite of (6) is further provided with a thickness of 2 to 10% between the (1) layer and the (3) layer, which is composed of a synthetic fiber having a ratio of 10 to 50% by weight based on the weight of the (3) layer.
  • a disposable disposable diaper having an improved dry-tatch property and a method for improving the dry-tatch property of the disposable diaper, characterized by having a low-profile layer (2).
  • the liquid-permeable exterior material layer (1) to be used is not particularly limited as long as it is usually used.
  • cloth, paper, non-woven fabric, liquid-permeable synthetic film, or any of these materials can be used. And a complex.
  • the nonwoven fabric is made of paper, rayon polyester, polypropylene, or the like, and has a basis weight of 10 to 20 g nom 'and a thickness of 0.05 to 1 mm.
  • the highly water-absorbing polymer is a resin that is insoluble in water and has a water absorption capacity of 60 ml or more, and has a shape such as powdery powder, sheet bark, or fibrous shape. However, any of them can be used.
  • Examples of the water-absorbing polymer include starch or cellulose (a), a water-insoluble monomer, a monomer that becomes water-soluble by Z or hydrolysis, and a crosslinking agent (c) as essential components.
  • a water-insoluble monomer a monomer that becomes water-soluble by Z or hydrolysis
  • a crosslinking agent c
  • Examples of other resins include those obtained by polymerizing (and (b), such as a starch-acrylonitrile graphite polymer hydrolyzate, cellulose-acrylonitrile graphite, and the like. Hydrolysates of polymers, etc .; copolymers of (II) and (c), such as cross-linked polyacrylamide and its partial hydrolysates, cross-linked sulfonated polystyrene, cross-linked Bhopal, saponified cross-linked vulester-unsaturated rubonic acid copolymer, cross-linked boria acrylate and acrylic acid described in JP-A-52-14689 and JP-A-52-274 ⁇ 5 Examples include acrylate copolymers, cross-linked isobutylene-mono-maleic anhydride copolymers, and cross-linked polyethylene oxide.
  • Polymer for example, self-crosslinking boria Crylate, a resin described in JP-B-54-30710 and a polymer having at least a hydroxyl group and a carboxylate group in the molecule, for example, a resin described in JP-B-54-37994 can also be used. Two or more of the above resins may be used.
  • absorbent fibers examples include conventionally used cotton wool valves, absorbent paper, cloth, gauze, and rayon nonwoven fabric.
  • the amount of the water-absorbing polymer used is usually 10 to 100%, preferably 20 to 60%, based on the weight of the absorbent. If the amount of the superabsorbent polymer is small, bleeding of the upper part when pressure is applied to the absorbent article tends to occur.
  • the absorbent of the present invention includes a superabsorbent polymer and a conventional absorbent.
  • a method of mixing the two, a method of mixing the two and then forming a sheet by pressurizing in the presence of water, and a method of forming a highly absorbent polymer on the cotton pulp layer Can be applied, and if necessary, a method of laminating floc pulp can be applied ⁇
  • non-absorbable substances for example, synthetic fibers such as polyester and polypropylene, or nonwoven fabrics or webs thereof; inorganic particles such as calcium carbonate and clay; fragrance; An odorant; an admixture of an ultraviolet ray inhibitor or the like may be added as long as the absorption performance of the absorber is not impaired.
  • the liquid-impermeable exterior material layer (6) of the present invention is not particularly limited as long as it is impermeable to liquid and flexible, but usually a synthetic resin film such as polyethylene is used. Is done.
  • Examples of the synthetic fibers of the present invention include polyacrylonitrile, polyacrylic fiber and poly (vinyl chloride) -based copolymers such as polyacrylic fiber, Nylon 6, and Nylon 66.
  • Polyamide fibers such as Nylon 11; polyesters such as poly (ethylene terephthalate) and polyoxybenzoic acid; vinyl fibers such as poly (vinyl chloride) and poly (vinylidene chloride); poly (ethylene, polypropylene);
  • Can be used for fiber-reinforced cotton such as poly-or-olefin and other borio-refined fibers, polytetrafluoroethylene, fluorine fiber such as polytetrafluoroethylene, polyurethane fiber such as Svandex, etc. .
  • the amount of synthetic fiber used is usually 200 g / nf of SOgZnf, preferably 50-120 g / nf, and the thickness is 2-15 ", more preferably 3-8".
  • the amount used is less than 30 g nom ', the effect of using synthetic fiber is small, and the effect does not change even when it exceeds 200 g / nf.
  • fibers that have been surface-coated or treated with a surfactant using a hot-melt fiber or a binder can also be used.
  • the method for forming the synthetic fiber layer (2) of the present invention between the (1) layer and the (3) layer is not particularly limited as long as it can be carried out.
  • a method of laminating synthetic virions on the (3) layer immediately before the (3) and (1) layers are stacked, or 1)
  • water spray or a binder can be used for the purpose of bonding the synthetic fiber to the layer (1) or the layer (3).
  • the weight ratio of these four layers is usually 80 to 99% based on the weight of the disposable diaper, because the weight of the (2) layer and the (3) layer increases.
  • the weight ratio of the (2) layer and the (3) layer is usually such that the weight of the (2) is in the range of 10 to 50% in comparison with the weight of the (3), and if the weight is less than 10%, the dry-tatch property is improved. However, if it exceeds 50%, the ability to absorb urine becomes insufficient. More preferably, it is 15-40%.
  • FIG. 1 is a cross-sectional view of a disposable disposable diaper of the present invention.
  • Numeral 1 is a liquid-permeable exterior material that comes into contact with the wearer's skin, and is usually a nonwoven fabric having a basis weight of 10 to 20 g / m 'and a thickness of 0.05 to 1 mm.
  • This layer is a layer of synthetic fibers, and usually a tube having a basis weight of 30 to 100 g nonf and a density of 0.05 g ⁇ 3 is used.
  • Numeral 3 is an absorbent layer, which preferably comprises floc pulp and superabsorbent polymer 5. Normally 100% to 300 g for cotton wool pulp and 60 to 200 g for water-absorbing polymer
  • Reference numeral 6 denotes a liquid-impermeable exterior material, usually called a back sheet, which is generally made of a polyethylene film, and is a 713 ⁇ 4-heat sealed portion.
  • a nonwoven fabric made of rayon with a basis weight of 20 g Zm ' is used as the liquid-permeable exterior material layer (1), and a polyester fiber (EI DuPont) is used as the synthetic fiber layer (2).
  • a polyester fiber (EI DuPont) is used as the synthetic fiber layer (2).
  • ) was used as the absorbent layer (3), using a tube with a basis weight of 50 g / nf formed by carding.
  • a polyethylene film having a basis weight of 20 g / ⁇ was used as the liquid-impermeable exterior material layer (6).
  • the disposable disposable diapers (H), ( ⁇ ) and (() were prepared in the same manner as in Example 1 except that the basis weight of the synthetic fiber web in Example 1 was changed to 30 g m ', 50 g m nf, and 150 g / ⁇ . IV) was obtained.
  • Disposable disposable diapers (V) and (VI) were obtained in the same manner as in Example 1 except that the synthetic fiber web in Example 1 was changed to Polypropylene web or polyester cloth.
  • a disposable disposable diaper (W) was prepared in the same manner as in Example 1 except that the absorbent layer in Example 1 was changed from 100 g nf of Sanette IM-1000 to granules on 100 g of cotton-like pulp. Was obtained.
  • Example 2 The procedure was the same as in Example 1 except that the synthetic fiber web in Example 1 was changed to .0 gm ', 10 g / rrf or 18 gZm', or to 50 g rayon fiber.
  • the disposable disposable diapers (i) ( ⁇ ), (iii) and (iv) were obtained.
  • the disposable disposable diaper of the present invention has improved liquid absorbing power and liquid retaining power to a sufficiently satisfactory level as compared with conventional ones. In addition, there is less bleeding at the top when pressure is applied to the disposable disposable diaper, and the dry touch is improved. Furthermore, since the liquid is easily diffused to the side, all of the used water-absorbing resin or water-absorbing agent can be used effectively, and there is a characteristic that more urine can be absorbed and retained.

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)

Abstract

Une garniture jetable restant sèche au toucher (sans donner sur la peau la sensation qu'elle est mouillée par l'urine) comporte une couche extérieure (1) de matériau perméable aux liquides et une couche de résine (3) extrêmement hydro-absorbante entre lesquelles est insérée une couche très épaisse (2) de coton en fibres synthétiques, d'une épaisseur et d'un rapport pondéral spécifiques.
PCT/JP1985/000157 1985-04-01 1985-04-01 Garniture jetable restant seche au toucher Ceased WO1986005661A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP1985/000157 WO1986005661A1 (fr) 1985-04-01 1985-04-01 Garniture jetable restant seche au toucher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1985/000157 WO1986005661A1 (fr) 1985-04-01 1985-04-01 Garniture jetable restant seche au toucher

Publications (1)

Publication Number Publication Date
WO1986005661A1 true WO1986005661A1 (fr) 1986-10-09

Family

ID=13846407

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1985/000157 Ceased WO1986005661A1 (fr) 1985-04-01 1985-04-01 Garniture jetable restant seche au toucher

Country Status (1)

Country Link
WO (1) WO1986005661A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5295986A (en) * 1991-09-11 1994-03-22 Kimberly-Clark Corporation Newborn's growth adjustable absorbent diaper having variable overlapping and non-overlapping ears
US5364382A (en) * 1989-05-08 1994-11-15 Kimberly-Clark Corporation Absorbent structure having improved fluid surge management and product incorporating same
US5366453A (en) * 1991-09-11 1994-11-22 Kimberly-Clark Corporation Newborn's growth adjustable absorbent diaper having variable overlapping and non-overlapping ears
US5562650A (en) * 1994-03-04 1996-10-08 Kimberly-Clark Corporation Absorbent article having an improved surge management

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54154694A (en) * 1978-05-26 1979-12-05 Toyo Seikan Kaisha Ltd Metal stopper and making method thereof
JPS5713609A (en) * 1980-06-28 1982-01-23 Toshiba Electric Equip Illuminator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54154694A (en) * 1978-05-26 1979-12-05 Toyo Seikan Kaisha Ltd Metal stopper and making method thereof
JPS5713609A (en) * 1980-06-28 1982-01-23 Toshiba Electric Equip Illuminator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5364382A (en) * 1989-05-08 1994-11-15 Kimberly-Clark Corporation Absorbent structure having improved fluid surge management and product incorporating same
US5295986A (en) * 1991-09-11 1994-03-22 Kimberly-Clark Corporation Newborn's growth adjustable absorbent diaper having variable overlapping and non-overlapping ears
US5366453A (en) * 1991-09-11 1994-11-22 Kimberly-Clark Corporation Newborn's growth adjustable absorbent diaper having variable overlapping and non-overlapping ears
US5562650A (en) * 1994-03-04 1996-10-08 Kimberly-Clark Corporation Absorbent article having an improved surge management

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