DE69432630D1 - Superabsorbierendes polymerschaum - Google Patents

Superabsorbierendes polymerschaum

Info

Publication number
DE69432630D1
DE69432630D1 DE69432630T DE69432630T DE69432630D1 DE 69432630 D1 DE69432630 D1 DE 69432630D1 DE 69432630 T DE69432630 T DE 69432630T DE 69432630 T DE69432630 T DE 69432630T DE 69432630 D1 DE69432630 D1 DE 69432630D1
Authority
DE
Germany
Prior art keywords
foam
superabsorbent polymer
polymer foam
substantially water
disclosed
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.)
Expired - Lifetime
Application number
DE69432630T
Other languages
English (en)
Other versions
DE69432630T2 (de
Inventor
Van Phan
Dennis Trokhan
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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 Procter and Gamble Co filed Critical Procter and Gamble Co
Application granted granted Critical
Publication of DE69432630D1 publication Critical patent/DE69432630D1/de
Publication of DE69432630T2 publication Critical patent/DE69432630T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • 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
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • 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
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/2481—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] including layer of mechanically interengaged strands, strand-portions or strand-like strips
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24851—Intermediate layer is discontinuous or differential
    • 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
    • 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.]
    • Y10T428/249986—Void-containing component contains also a solid fiber or solid particle
    • 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
    • Y10T442/652—Nonwoven fabric is coated, impregnated, or autogenously bonded
DE1994632630 1993-03-26 1994-03-18 Superabsorbierendes polymerschaum Expired - Lifetime DE69432630T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US38580 1993-03-26
US08/038,580 US5338766A (en) 1993-03-26 1993-03-26 Superabsorbent polymer foam
PCT/US1994/002868 WO1994022502A1 (en) 1993-03-26 1994-03-18 Superabsorbent polymer foam

Publications (2)

Publication Number Publication Date
DE69432630D1 true DE69432630D1 (de) 2003-06-12
DE69432630T2 DE69432630T2 (de) 2004-02-19

Family

ID=21900725

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994632630 Expired - Lifetime DE69432630T2 (de) 1993-03-26 1994-03-18 Superabsorbierendes polymerschaum

Country Status (17)

Country Link
US (3) US5338766A (de)
EP (1) EP0690729B1 (de)
JP (1) JP3373208B2 (de)
KR (1) KR100317398B1 (de)
AT (1) ATE239513T1 (de)
AU (1) AU6447194A (de)
BR (1) BR9406026A (de)
CA (1) CA2157468C (de)
CZ (1) CZ245795A3 (de)
DE (1) DE69432630T2 (de)
FI (1) FI954535A (de)
HU (1) HU218107B (de)
NO (1) NO953729L (de)
PH (1) PH31419A (de)
SG (1) SG54185A1 (de)
TW (1) TW316272B (de)
WO (1) WO1994022502A1 (de)

Families Citing this family (193)

* Cited by examiner, † Cited by third party
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US5849405A (en) * 1994-08-31 1998-12-15 The Procter & Gamble Company Absorbent materials having improved absorbent property and methods for making the same
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US6030442A (en) * 1994-05-13 2000-02-29 University Of Cincinnati Microporous fast response gels and methods of use
US5573994A (en) * 1994-05-13 1996-11-12 University Of Cincinnati Superabsorbent foams, and method for producing the same
EP0691133B2 (de) * 1994-07-05 2003-12-03 The Procter & Gamble Company Absorbierendes quellbares Material enthaltend eine trockene Mischung von wenigstens zwei verschiedenen Typen von Hydrogel formenden Partikeln und Verfahren zu seiner Herstellung
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US6372953B1 (en) 1995-01-10 2002-04-16 The Procter & Gamble Company Absorbent members comprising a high surface area material for absorbing body liquids
US6107538A (en) * 1995-01-10 2000-08-22 The Procter & Gamble Company Absorbent members for absorbing body liquids
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US5859077A (en) 1995-12-19 1999-01-12 Nova-Sorb Ltd. Novel Absorbents Apparatus and method for producing porous superabsorbent materials
DE19607529A1 (de) * 1996-02-28 1997-09-04 Basf Ag Absorberelement aus superabsorbierenden Schäumen mit anisotropem Quellverhalten
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DE69432630T2 (de) 2004-02-19
CA2157468A1 (en) 1994-10-13
CZ245795A3 (en) 1996-01-17
BR9406026A (pt) 1996-02-06
HUT72723A (en) 1996-05-28
WO1994022502A1 (en) 1994-10-13
US5338766A (en) 1994-08-16
JP3373208B2 (ja) 2003-02-04
HU218107B (hu) 2000-06-28
JPH08508527A (ja) 1996-09-10
EP0690729A1 (de) 1996-01-10
NO953729D0 (no) 1995-09-21
NO953729L (no) 1995-11-23
PH31419A (en) 1998-10-29
KR100317398B1 (ko) 2002-11-20
HU9502786D0 (en) 1995-11-28
CA2157468C (en) 2001-09-04
AU6447194A (en) 1994-10-24
US5451452A (en) 1995-09-19
FI954535A0 (fi) 1995-09-25
EP0690729B1 (de) 2003-05-07
US5506035A (en) 1996-04-09
SG54185A1 (en) 1998-11-16
FI954535A (fi) 1995-11-15
ATE239513T1 (de) 2003-05-15
TW316272B (de) 1997-09-21

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