DK2524678T3 - Vandabsorberende ark-struktur - Google Patents

Vandabsorberende ark-struktur Download PDF

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Publication number
DK2524678T3
DK2524678T3 DK10843194T DK10843194T DK2524678T3 DK 2524678 T3 DK2524678 T3 DK 2524678T3 DK 10843194 T DK10843194 T DK 10843194T DK 10843194 T DK10843194 T DK 10843194T DK 2524678 T3 DK2524678 T3 DK 2524678T3
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DK
Denmark
Prior art keywords
water
absorbent
sheet structure
absorbent resin
absorbent sheet
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Application number
DK10843194T
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English (en)
Inventor
Shinya Fukudome
Junichi Maruo
Masayoshi Handa
Koji Ueda
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Sumitomo Seika Chemicals
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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
    • A61F13/53—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
    • A61F13/53—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
    • A61F2013/530131—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 being made in fibre but being not pulp
    • 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
    • A61F2013/530131—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 being made in fibre but being not pulp
    • A61F2013/530226—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 being made in fibre but being not pulp with polymeric fibres
    • 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
    • A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
    • 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
    • A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/53051—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged
    • A61F2013/530547—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged positioned in a separate layer or layers
    • A61F2013/530554—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 superabsorbent materials, i.e. highly absorbent polymer gel materials being only in particular parts or specially arranged positioned in a separate layer or layers and being fixed to a web
    • 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
    • A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/5307—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 superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the quantity or ratio of superabsorbent material
    • 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
    • A61F2013/530481—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 superabsorbent materials, i.e. highly absorbent polymer gel materials
    • A61F2013/530708—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 superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties
    • A61F2013/530737—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 superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties by the absorbent capacity
    • 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
    • A61F2013/53445—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 from several sheets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/659—Including an additional nonwoven fabric

Landscapes

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

Claims (10)

1. En vandabsorberende ark-struktur omfattende en struktur i hvilken et absorberende lag omfattende en vandabsorberende harpiks og et klæbemiddel er indlagt mellem ikke-vævede stoffer fra en øvre side og en nedre side af det absorberende lag, hvor den vandabsorberende harpiks er indeholdt i en mængde på fra 100 g / m2 til 1000 g / m2, kendetegnet ved, at den vandabsorberende harpiks har en vandbindingskapacitet for en saltvandsopløsning på fra 15 g / g til 50 g / g, målt ifølge fremgangsmåden beskrevet i beskrivelsen, og hvor den vandabsorberende ark-struktur har en afskalningsstyrke på fra 0,05 til 3,0 N / 7 cm, målt ifølge fremgangsmåden beskrevet i beskrivelsen.
2. Den vandabsorberende ark-struktur ifølge krav 1, hvor den vandabsorberende ark-struktur har en vandbindingskapacitet for en saltvandsopløsning på fra 1000 g / m2 til 45000 g / m2, målt ifølge fremgangsmåden beskrevet i beskrivelsen.
3. Den vandabsorberende ark-struktur ifølge krav 1 eller 2, hvor den vandabsorberende harpiks har en vandabsorptions-kapacitet for en saltvandsopløsning, under en belastning på 4,14 kPa, på 15 mL / g eller mere, målt ifølge fremgangsmåden beskrevet i beskrivelsen.
4. Den vandabsorberende ark-struktur ifølge et hvilket som helst af kravene 1 til 3, hvor den vandabsorberende harpiks har en initial vandabsorptionshastighed på 0,35 mL / s eller mindre, målt ifølge fremgangsmåden beskrevet i beskrivelsen.
5. Den vandabsorberende ark-struktur ifølge et hvilket som helst af kravene 1 til 4, hvor det ikke-vævede stof er et ikke-vævet stof fremstillet af mindst en fiber valgt fra gruppen bestående af viskosefibre, polyolefinfibre og polyesterfibre.
6. Den vandabsorberende ark-struktur ifølge et hvilket som helst af kravene 1 til 5, hvor klæbemidlet er mindst et medlem valgt fra gruppen bestående af ethylen-vinylacetat-copolymer-klæbemidler, styren-elastomer-klæbemidler, polyolefin-klæbemidler og polyester-baserede-klæbemidler.
7. Den vandabsorberende ark-struktur ifølge et hvilket som helst af kravene 1 til 6, hvor klæbemidlet er indeholdt i en andel på fra 0,05 til 2 gange mængden (på masse-basis) af den indeholdte mængde af vandabsorberende harpiks.
8. Den vandabsorberende ark-struktur ifølge et hvilket som helst af kravene 1 til 7, hvor mængden B [g / m2] af den vandabsorberende harpiks indeholdt i den vandabsorberende ark-struktur opfylder den relationelle formel, baseret på vandbindings-kapaciteten af den vandabsorberende harpiks for en saltvandsopløsning C [g / g], på 400 - 20 / 3C < B < 900 - 20 / 3C, som målt ifølge fremgangsmåden beskrevet i beskrivelsen.
9. Den vandabsorberende ark-struktur ifølge et hvilket som helst af kravene 1 til 8, hvor den vandabsorberende ark-struktur opfylder alle de følgende egenskaber (A) til (C): (A) den vandabsorberende ark-struktur har en tykkelse på 5 mm eller mindre, i tør tilstand, målt ifølge fremgangsmåden beskrevet i beskrivelsen; (B) en total gennemtrængningshastighed på 120 sekunder eller mindre, målt ifølge fremgangsmåden beskrevet i beskrivelsen; (C) et udsivnings-indeks på 150 eller mindre, målt ifølge fremgangsmåden beskrevet i beskrivelsen.
10. En absorberende artikel, der omfatter den vandabsorberende ark-struktur som defineret i et hvilket som helst af kravene 1 til 9, indlagt mellem et væskegennemtrængeligt ark og et væskeuigennemtrængeligt ark.
DK10843194T 2010-01-13 2010-12-27 Vandabsorberende ark-struktur DK2524678T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010004933 2010-01-13
PCT/JP2010/073535 WO2011086841A1 (ja) 2010-01-13 2010-12-27 吸水シート構成体

Publications (1)

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DK2524678T3 true DK2524678T3 (da) 2015-04-20

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Country Status (11)

Country Link
US (1) US20120328862A1 (da)
EP (1) EP2524678B1 (da)
JP (1) JP5755151B2 (da)
KR (1) KR101720372B1 (da)
CN (1) CN102711697A (da)
AU (1) AU2010342024B2 (da)
DK (1) DK2524678T3 (da)
ES (1) ES2539727T3 (da)
PL (1) PL2524678T3 (da)
TW (1) TWI478736B (da)
WO (1) WO2011086841A1 (da)

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CN111971011B (zh) 2018-04-13 2022-05-31 株式会社日本触媒 吸水性片、吸水性片的制造方法及吸收性物品
WO2019201668A1 (en) 2018-04-20 2019-10-24 Basf Se Thin fluid absorbent core-absorbent paper
CN112512476A (zh) 2018-08-01 2021-03-16 巴斯夫欧洲公司 流体吸收芯
JP2021532868A (ja) 2018-08-01 2021-12-02 ビーエイエスエフ・ソシエタス・エウロパエアBasf Se 生理用吸収性物品
WO2020032284A1 (ja) 2018-08-09 2020-02-13 株式会社日本触媒 吸水性シートおよびそれを含む吸水性物品
CN109342721A (zh) * 2018-12-07 2019-02-15 上海荣盛生物药业有限公司 用于免疫试剂的吸水试纸及其制备方法
JP6681493B1 (ja) * 2018-12-12 2020-04-15 住友精化株式会社 吸水性樹脂粒子の液体漏れ性を評価する方法、及び吸水性樹脂粒子
WO2020218158A1 (ja) * 2019-04-23 2020-10-29 住友精化株式会社 吸水性樹脂粒子
WO2020218165A1 (ja) * 2019-04-23 2020-10-29 住友精化株式会社 吸水性樹脂粒子、吸収性物品、吸水性樹脂粒子を製造する方法、及び吸収性物品の液漏れを抑制する方法
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AU2010342024A1 (en) 2012-08-16
US20120328862A1 (en) 2012-12-27
AU2010342024B2 (en) 2015-05-28
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JP5755151B2 (ja) 2015-07-29
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