WO2009095811A3 - Absorbent articles comprising absorbent materials exhibiting deswell/reswell - Google Patents

Absorbent articles comprising absorbent materials exhibiting deswell/reswell Download PDF

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Publication number
WO2009095811A3
WO2009095811A3 PCT/IB2009/050185 IB2009050185W WO2009095811A3 WO 2009095811 A3 WO2009095811 A3 WO 2009095811A3 IB 2009050185 W IB2009050185 W IB 2009050185W WO 2009095811 A3 WO2009095811 A3 WO 2009095811A3
Authority
WO
WIPO (PCT)
Prior art keywords
absorbent
reswell
deswell
fluids
materials exhibiting
Prior art date
Application number
PCT/IB2009/050185
Other languages
French (fr)
Other versions
WO2009095811A2 (en
Inventor
Richard N. Dodge Ii
Jian Qin
Scott J. Smith
Gonglu Tian
Yaru Shi
Original Assignee
Kimberly-Clark Worldwide, Inc.
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 Kimberly-Clark Worldwide, Inc. filed Critical Kimberly-Clark Worldwide, Inc.
Priority to CN200980103739.2A priority Critical patent/CN101932346B/en
Priority to AU2009208661A priority patent/AU2009208661B2/en
Priority to RU2010135784/15A priority patent/RU2490030C2/en
Priority to MX2010008214A priority patent/MX2010008214A/en
Priority to KR1020107017027A priority patent/KR101662850B1/en
Priority to BRPI0905785A priority patent/BRPI0905785A2/en
Priority to EP09705255.9A priority patent/EP2244749B1/en
Publication of WO2009095811A2 publication Critical patent/WO2009095811A2/en
Publication of WO2009095811A3 publication Critical patent/WO2009095811A3/en
Priority to ZA2010/04647A priority patent/ZA201004647B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/103Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate comprising silica
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    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent 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
    • A61F13/534Absorbent 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
    • A61F13/535Absorbent 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
    • AHUMAN NECESSITIES
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    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent 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
    • A61F13/534Absorbent 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
    • A61F13/537Absorbent 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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708Absorbent 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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
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    • A61F13/534Absorbent 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
    • A61F13/537Absorbent 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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53743Absorbent 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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the position of the layer relative to the other layers
    • A61F13/53752Absorbent 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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the position of the layer relative to the other layers the layer is embedded in the absorbent core
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    • A61F13/53Absorbent 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
    • A61F13/534Absorbent 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
    • A61F13/537Absorbent 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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/5376Absorbent 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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the performance of the layer, e.g. acquisition rate, distribution time, transfer time
    • AHUMAN NECESSITIES
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    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/18Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
    • AHUMAN NECESSITIES
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    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/20Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing organic materials
    • AHUMAN NECESSITIES
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    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
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    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/60Liquid-swellable gel-forming materials, e.g. super-absorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
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    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26Synthetic macromolecular compounds
    • B01J20/261Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
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    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26Synthetic macromolecular compounds
    • B01J20/262Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon to carbon unsaturated bonds, e.g. obtained by polycondensation
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    • A61F2013/15284Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
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    • A61F2013/530481Absorbent 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
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    • A61F2013/530532Absorbent 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 the maximum being at certain depth in the thickness
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    • A61F2013/530729Absorbent 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 acquisition rate by the swelling rate
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent 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
    • A61F2013/530481Absorbent 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
    • A61F2013/530788Absorbent 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 gel layer permeability
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/84Accessories, not otherwise provided for, for absorbent pads
    • A61F13/8405Additives, e.g. for odour, disinfectant or pH control
    • A61F2013/8408Additives, e.g. for odour, disinfectant or pH control with odour control
    • A61F2013/8426Additives, e.g. for odour, disinfectant or pH control with odour control with metallic salts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/40Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/46Materials comprising a mixture of inorganic and organic materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/50Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/68Superabsorbents

Abstract

The present invention relates to absorbent articles that include absorbent compositions which exhibit swelling, deswelling, and reswelling behavior. More specifically, absorbent compositions of this invention swell and absorb fluids after exposure to aqueous fluids, deswell and release fluids from the swollen absorbent compositions, and can also reswell and absorb fluids. The swelling-deswelling-reswelling behavior allows enhanced liquid distribution in absorbent composites and absorbent articles.
PCT/IB2009/050185 2008-01-30 2009-01-19 Absorbent articles comprising absorbent materials exhibiting deswell/reswell WO2009095811A2 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
CN200980103739.2A CN101932346B (en) 2008-01-30 2009-01-19 Absorbent articles comprising absorbent materials exhibiting deswell/reswell
AU2009208661A AU2009208661B2 (en) 2008-01-30 2009-01-19 Absorbent articles comprising absorbent materials exhibiting deswell/reswell
RU2010135784/15A RU2490030C2 (en) 2008-01-30 2009-01-19 Absorbent products containing absorbent materials exhibiting deswelling/re-swelling properties
MX2010008214A MX2010008214A (en) 2008-01-30 2009-01-19 Absorbent articles comprising absorbent materials exhibiting deswell/reswell.
KR1020107017027A KR101662850B1 (en) 2008-01-30 2009-01-19 Absorbent articles comprising absorbent materials exhibiting deswell/reswell
BRPI0905785A BRPI0905785A2 (en) 2008-01-30 2009-01-19 ABSORBENT ARTICLES COMPRISING ABSORBENT MATERIALS EXHIBITING DEINTUMMATION/ REINTUMENSATION
EP09705255.9A EP2244749B1 (en) 2008-01-30 2009-01-19 Absorbent articles comprising absorbent materials exhibiting deswell/reswell
ZA2010/04647A ZA201004647B (en) 2008-01-30 2010-07-01 Absorbent articles comprising absorbent materials exhibiting deswell/reswell

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US6309308P 2008-01-30 2008-01-30
US61/063,093 2008-01-30
US12/215,942 US7977530B2 (en) 2008-01-30 2008-06-30 Absorbent articles comprising absorbent materials exhibiting deswell/reswell
US12/215,942 2008-06-30

Publications (2)

Publication Number Publication Date
WO2009095811A2 WO2009095811A2 (en) 2009-08-06
WO2009095811A3 true WO2009095811A3 (en) 2009-11-26

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PCT/IB2009/050185 WO2009095811A2 (en) 2008-01-30 2009-01-19 Absorbent articles comprising absorbent materials exhibiting deswell/reswell

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EP (2) EP2244747B1 (en)
KR (2) KR101662850B1 (en)
CN (2) CN101932346B (en)
AR (2) AR072338A1 (en)
AU (2) AU2009208661B2 (en)
BR (2) BRPI0905785A2 (en)
MX (2) MX2010008214A (en)
RU (2) RU2490029C2 (en)
WO (2) WO2009095810A2 (en)
ZA (2) ZA201004651B (en)

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US20090192481A1 (en) 2009-07-30
KR20100117587A (en) 2010-11-03
CN101932345A (en) 2010-12-29
RU2490029C2 (en) 2013-08-20
EP2244747A2 (en) 2010-11-03
CN101932346B (en) 2015-06-10
WO2009095811A2 (en) 2009-08-06
CN101932345B (en) 2015-04-29
KR101601990B1 (en) 2016-03-17
EP2244749A4 (en) 2013-01-09
EP2244749B1 (en) 2014-06-04
KR101662850B1 (en) 2016-10-05
CN101932346A (en) 2010-12-29
EP2244747B1 (en) 2014-06-04
BRPI0905742A2 (en) 2015-07-14
US7977530B2 (en) 2011-07-12
AU2009208661A1 (en) 2009-08-06
MX2010008214A (en) 2010-08-11
EP2244749A2 (en) 2010-11-03
US20090192482A1 (en) 2009-07-30
RU2490030C2 (en) 2013-08-20
BRPI0905785A2 (en) 2017-08-22
AR072338A1 (en) 2010-08-25
AU2009208660B2 (en) 2013-11-21
AU2009208661B2 (en) 2013-11-21
WO2009095810A3 (en) 2009-11-26
WO2009095810A2 (en) 2009-08-06
EP2244747A4 (en) 2013-01-09
AR071336A1 (en) 2010-06-16
US7977531B2 (en) 2011-07-12
ZA201004647B (en) 2011-09-28
MX2010008215A (en) 2010-08-11
ZA201004651B (en) 2011-09-28
BRPI0905742B1 (en) 2018-08-07
AU2009208660A1 (en) 2009-08-06
RU2010135784A (en) 2012-03-10
KR20100118569A (en) 2010-11-05
RU2010135785A (en) 2012-03-10

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