DE69527704T2 - Poröses absorbierendes material mit modifierter oberflächen-charakteristik und verfahren zu seiner herstellung - Google Patents

Poröses absorbierendes material mit modifierter oberflächen-charakteristik und verfahren zu seiner herstellung

Info

Publication number
DE69527704T2
DE69527704T2 DE1995627704 DE69527704T DE69527704T2 DE 69527704 T2 DE69527704 T2 DE 69527704T2 DE 1995627704 DE1995627704 DE 1995627704 DE 69527704 T DE69527704 T DE 69527704T DE 69527704 T2 DE69527704 T2 DE 69527704T2
Authority
DE
Germany
Prior art keywords
production
absorbent material
surface characteristics
modified surface
porous absorbent
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 - Fee Related
Application number
DE1995627704
Other languages
English (en)
Other versions
DE69527704D1 (de
Inventor
Lin Wang
Ebrahim Rezai
Yumiko Hayashi
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
Publication of DE69527704D1 publication Critical patent/DE69527704D1/de
Application granted granted Critical
Publication of DE69527704T2 publication Critical patent/DE69527704T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • 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
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels
    • 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.]
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2998—Coated including synthetic resin or polymer
DE1995627704 1994-02-17 1995-02-01 Poröses absorbierendes material mit modifierter oberflächen-charakteristik und verfahren zu seiner herstellung Expired - Fee Related DE69527704T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US19791694A 1994-02-17 1994-02-17
US22445494A 1994-04-07 1994-04-07
PCT/US1995/001062 WO1995022357A1 (en) 1994-02-17 1995-02-01 Porous absorbent materials having modified surface characteristics and methods for making the same

Publications (2)

Publication Number Publication Date
DE69527704D1 DE69527704D1 (de) 2002-09-12
DE69527704T2 true DE69527704T2 (de) 2002-12-05

Family

ID=26893280

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1995627704 Expired - Fee Related DE69527704T2 (de) 1994-02-17 1995-02-01 Poröses absorbierendes material mit modifierter oberflächen-charakteristik und verfahren zu seiner herstellung

Country Status (14)

Country Link
US (1) US5985432A (de)
EP (1) EP0744966B1 (de)
JP (1) JPH09509592A (de)
KR (1) KR100367449B1 (de)
CN (1) CN1141004A (de)
AU (1) AU1691895A (de)
BR (1) BR9506830A (de)
CA (1) CA2181696C (de)
DE (1) DE69527704T2 (de)
ES (1) ES2186713T3 (de)
HK (1) HK1013026A1 (de)
SG (1) SG69979A1 (de)
TW (1) TW402508B (de)
WO (1) WO1995022357A1 (de)

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EP0744966A1 (de) 1996-12-04
TW402508B (en) 2000-08-21
WO1995022357A1 (en) 1995-08-24
DE69527704D1 (de) 2002-09-12
SG69979A1 (en) 2000-01-25
BR9506830A (pt) 1997-10-14
EP0744966B1 (de) 2002-08-07
KR970701070A (ko) 1997-03-17
HK1013026A1 (en) 1999-08-13
CA2181696C (en) 2002-01-01
MX9603475A (es) 1998-10-31
KR100367449B1 (ko) 2003-03-06
CA2181696A1 (en) 1995-08-24
CN1141004A (zh) 1997-01-22
ES2186713T3 (es) 2003-05-16
US5985432A (en) 1999-11-16
AU1691895A (en) 1995-09-04
JPH09509592A (ja) 1997-09-30

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