CA2208575A1 - Absorbent foams made from high internal phase emulsions useful for acquiring aqueous fluids - Google Patents
Absorbent foams made from high internal phase emulsions useful for acquiring aqueous fluidsInfo
- Publication number
- CA2208575A1 CA2208575A1 CA002208575A CA2208575A CA2208575A1 CA 2208575 A1 CA2208575 A1 CA 2208575A1 CA 002208575 A CA002208575 A CA 002208575A CA 2208575 A CA2208575 A CA 2208575A CA 2208575 A1 CA2208575 A1 CA 2208575A1
- Authority
- CA
- Canada
- Prior art keywords
- absorbent foams
- absorbent
- internal phase
- high internal
- aqueous fluids
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/425—Porous materials, e.g. foams or sponges
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/32—Polymerisation in water-in-oil emulsions
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249975—Void shape specified [e.g., crushed, flat, round, etc.]
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
- Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249978—Voids specified as micro
- Y10T428/24998—Composite has more than two layers
-
- 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]
- Y10T442/647—Including a foamed layer or component
- Y10T442/651—Plural fabric layers
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dispersion Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Polymerisation Methods In General (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Colloid Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
Absorbent foam materials that are capable of acquiring and distributing aqueous fluids, especially discharged body fluids such as urine. These absorbent foams combine relatively high capillary absorption pressures and capacity-per-weight properties that allow them to acquire fluid, with or without the aid of gravity. These absorbent foams also give up this fluid efficiently to higher absorption pressure storage materials, including foam-based absorbent fluid storage components, without collapsing. These absorbent foams are made by polymerizing high internal phase emulsions (HIPEs).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/520,793 US5550167A (en) | 1995-08-30 | 1995-08-30 | Absorbent foams made from high internal phase emulsions useful for acquiring aqueous fluids |
US08/520,793 | 1995-08-30 | ||
PCT/US1996/000433 WO1997007832A1 (en) | 1995-08-30 | 1996-01-11 | Absorbent foams made from high internal phase emulsions useful for acquiring aqueous fluids |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2208575A1 true CA2208575A1 (en) | 1997-03-06 |
CA2208575C CA2208575C (en) | 2001-03-27 |
Family
ID=24074090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002208575A Expired - Fee Related CA2208575C (en) | 1995-08-30 | 1996-01-11 | Absorbent foams made from high internal phase emulsions useful for acquiring aqueous fluids |
Country Status (22)
Country | Link |
---|---|
US (4) | US5550167A (en) |
EP (1) | EP0847283A1 (en) |
JP (1) | JPH11511496A (en) |
KR (1) | KR100258100B1 (en) |
CN (1) | CN1183728A (en) |
AR (1) | AR000658A1 (en) |
AU (1) | AU728334B2 (en) |
BR (1) | BR9607720A (en) |
CA (1) | CA2208575C (en) |
CO (1) | CO4700311A1 (en) |
CZ (1) | CZ218397A3 (en) |
EG (1) | EG22099A (en) |
FI (1) | FI972918A (en) |
HU (1) | HUP0203096A2 (en) |
MY (1) | MY114415A (en) |
NO (1) | NO973187L (en) |
NZ (1) | NZ301194A (en) |
PE (1) | PE46697A1 (en) |
TR (1) | TR199700614T1 (en) |
TW (1) | TW391927B (en) |
WO (1) | WO1997007832A1 (en) |
ZA (1) | ZA96140B (en) |
Families Citing this family (170)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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US5977194A (en) * | 1995-11-15 | 1999-11-02 | The Dow Chemical Company | High internal phase emusions and porous materials prepared therefrom |
US6147131A (en) * | 1995-11-15 | 2000-11-14 | The Dow Chemical Company | High internal phase emulsions (HIPEs) and foams made therefrom |
US5817704A (en) * | 1996-03-08 | 1998-10-06 | The Procter & Gamble Company | Heterogeneous foam materials |
BR9609755A (en) * | 1996-06-19 | 1999-01-26 | Procter & Gamble | Detergent compositions comprising a specific amylase and a protease |
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US7670324B2 (en) | 1997-03-27 | 2010-03-02 | The Procter And Gamble Company | Disposable absorbent articles with replaceable absorbent core components having regions of permeability and impermeability on same surface |
US6048908A (en) | 1997-06-27 | 2000-04-11 | Biopore Corporation | Hydrophilic polymeric material |
US5985434A (en) * | 1997-11-25 | 1999-11-16 | Kimberly-Clark Worldwide, Inc. | Absorbent foam |
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ZA991991B (en) * | 1998-03-13 | 1999-12-14 | Procter & Gamble | Absorbent members comprising a high surface area material for absorbing body liquids. |
US6083211A (en) * | 1998-03-13 | 2000-07-04 | The Procter & Gamble Company | High suction polymeric foam materials |
US6013589A (en) * | 1998-03-13 | 2000-01-11 | The Procter & Gamble Company | Absorbent materials for distributing aqueous liquids |
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US6503233B1 (en) | 1998-10-02 | 2003-01-07 | Kimberly-Clark Worldwide, Inc. | Absorbent article having good body fit under dynamic conditions |
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US6187828B1 (en) * | 1998-11-24 | 2001-02-13 | Basf Corporation | Continuous process for manufacturing superabsorbent polymer |
US6353149B1 (en) * | 1999-04-08 | 2002-03-05 | The Procter & Gamble Company | Fast blooming surfactants for use in fluid transport webs |
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US6158144A (en) * | 1999-07-14 | 2000-12-12 | The Procter & Gamble Company | Process for capillary dewatering of foam materials and foam materials produced thereby |
US20050133174A1 (en) * | 1999-09-27 | 2005-06-23 | Gorley Ronald T. | 100% synthetic nonwoven wipes |
CA2384307C (en) | 1999-09-27 | 2009-06-02 | The Procter & Gamble Company | Hard surface cleaning compositions, premoistened wipes, methods of use, and articles comprising said compositions or wipes and instructions for use resulting in easier cleaning and maintenance, improved surface appearance and/or hygiene under stress conditions such as no-rinse |
US6716805B1 (en) * | 1999-09-27 | 2004-04-06 | The Procter & Gamble Company | Hard surface cleaning compositions, premoistened wipes, methods of use, and articles comprising said compositions or wipes and instructions for use resulting in easier cleaning and maintenance, improved surface appearance and/or hygiene under stress conditions such as no-rinse |
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- 1996-01-11 CZ CZ972183A patent/CZ218397A3/en unknown
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- 1996-01-11 AU AU46561/96A patent/AU728334B2/en not_active Ceased
- 1996-01-11 TR TR97/00614T patent/TR199700614T1/en unknown
- 1996-01-11 NZ NZ301194A patent/NZ301194A/en unknown
- 1996-01-11 CA CA002208575A patent/CA2208575C/en not_active Expired - Fee Related
- 1996-01-11 KR KR1019970705246A patent/KR100258100B1/en not_active IP Right Cessation
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1997
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NO973187L (en) | 1998-04-28 |
WO1997007832A8 (en) | 2002-10-10 |
PE46697A1 (en) | 1997-11-26 |
BR9607720A (en) | 1998-07-07 |
FI972918A (en) | 1997-09-09 |
WO1997007832A1 (en) | 1997-03-06 |
AU4656196A (en) | 1997-03-19 |
EG22099A (en) | 2002-07-31 |
AR000658A1 (en) | 1997-07-10 |
TR199700614T1 (en) | 1998-02-21 |
US5571849A (en) | 1996-11-05 |
MX9705237A (en) | 1997-10-31 |
ZA96140B (en) | 1996-07-30 |
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