NO940453L - Fremgangsmåte for å hydrofilisere absorberende skummateriale - Google Patents

Fremgangsmåte for å hydrofilisere absorberende skummateriale

Info

Publication number
NO940453L
NO940453L NO940453A NO940453A NO940453L NO 940453 L NO940453 L NO 940453L NO 940453 A NO940453 A NO 940453A NO 940453 A NO940453 A NO 940453A NO 940453 L NO940453 L NO 940453L
Authority
NO
Norway
Prior art keywords
foam
surfactant
calcium chloride
bandages
hydrated
Prior art date
Application number
NO940453A
Other languages
English (en)
Other versions
NO940453D0 (no
Inventor
Thomas Allen Desmarais
Original Assignee
Procter & Gamble
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 & Gamble filed Critical Procter & Gamble
Publication of NO940453D0 publication Critical patent/NO940453D0/no
Publication of NO940453L publication Critical patent/NO940453L/no

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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • C08J9/40—Impregnation
    • 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
    • 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
    • A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
    • A—HUMAN NECESSITIES
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    • 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
    • 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
    • A61L15/48—Surfactants
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
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    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15365—Dimensions
    • A61F2013/1539—Dimensions being expandable
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    • A61F2013/530437—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 a part with elevated absorption means
    • A61F2013/530452—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 a part with elevated absorption means having chemically-stiffened fibres
    • A61F2013/530467—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 a part with elevated absorption means having chemically-stiffened fibres being twisted
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    • A61F2013/530437—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 a part with elevated absorption means
    • A61F2013/530452—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 a part with elevated absorption means having chemically-stiffened fibres
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    • 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
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Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Treating Waste Gases (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Saccharide Compounds (AREA)

Abstract

Normalt hydrofobe skum, slikt som polyuretanskum og polymeriserte vann-i-olje-emulsjon-skum, gjøres hydrofile ved hjelp av behandling med enkle surfaktanter og hydrofili- seringsmiddelsalter. Således behandles et surfaktantinne- holdende skum med en opplesning av f.eks. kalsiumklorid, og tørkes for å etterlate en hovedsakelig jevnt fordelt rest av hydratisert eller hydratiserbart kalsiumklorid på de surfaktantinneholdende indre skumoverflater. Ved anvendelse gir kombinasjonen av surfaktant og kalsiumkloridhydrat en hydrofil overflate til skummet. Andre hydratiserbare kalsium- eller magnesiumsalter, slik som magnesiumklorid, kan anvendes. De resulterende hydrofiliserte skum er egnet for anvendelse i absorberende innretninger; inkludert bleier, bind, bandasjer og lignende.
NO940453A 1991-08-12 1994-02-10 Fremgangsmåte for å hydrofilisere absorberende skummateriale NO940453L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/743,951 US5352711A (en) 1991-08-12 1991-08-12 Method for hydrophilizing absorbent foam materials
PCT/US1992/006655 WO1993004113A1 (en) 1991-08-12 1992-08-07 Method for hydrophilizing absorbent foam materials

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NO940453D0 NO940453D0 (no) 1994-02-10
NO940453L true NO940453L (no) 1994-04-12

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NO940453A NO940453L (no) 1991-08-12 1994-02-10 Fremgangsmåte for å hydrofilisere absorberende skummateriale

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JP3385022B2 (ja) 2003-03-10
MX9204674A (es) 1993-03-01
US5352711A (en) 1994-10-04
KR100226397B1 (ko) 1999-10-15
CA2114105A1 (en) 1993-03-04
AU671420B2 (en) 1996-08-29
HU9400402D0 (en) 1994-05-30
BR9206362A (pt) 1994-12-13
CN1041316C (zh) 1998-12-23
DE69230257T2 (de) 2000-05-18
SK15694A3 (en) 1994-10-05
TW369416B (en) 1999-09-11
EG19782A (en) 1996-01-31
ES2137193T3 (es) 1999-12-16
FI109912B (fi) 2002-10-31
ATE186313T1 (de) 1999-11-15
PL170804B1 (pl) 1997-01-31
JPH06510806A (ja) 1994-12-01
HU215569B (hu) 1999-01-28
GR3031756T3 (en) 2000-02-29
DE69230257D1 (de) 1999-12-09
EP0598824B1 (en) 1999-11-03
EP0598824A1 (en) 1994-06-01
TR26327A (tr) 1995-03-15
NO940453D0 (no) 1994-02-10
HUT68703A (en) 1995-07-28
CZ291969B6 (cs) 2003-06-18
PT100771B (pt) 1999-07-30
SG52362A1 (en) 1998-09-28
WO1993004113A1 (en) 1993-03-04
AU2465392A (en) 1993-03-16
MA22615A1 (fr) 1992-08-20
FI940648L (fi) 1994-02-11
DK0598824T3 (da) 2000-01-03
FI940648A0 (fi) 1994-02-11
CN1070924A (zh) 1993-04-14
CZ27994A3 (en) 1994-07-13
NZ243906A (en) 1995-09-26
PT100771A (pt) 1993-10-29
CA2114105C (en) 1997-04-29
HK1013089A1 (en) 1999-08-13

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