FI70241C - Skumplast vars haolrum utgoeres av oeppna celler eller porer och vilken innehaoller partiklar av vattenoloeslig hydrofil polymer som aer svaellbar till en gel i vatten - Google Patents

Skumplast vars haolrum utgoeres av oeppna celler eller porer och vilken innehaoller partiklar av vattenoloeslig hydrofil polymer som aer svaellbar till en gel i vatten Download PDF

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Publication number
FI70241C
FI70241C FI811815A FI811815A FI70241C FI 70241 C FI70241 C FI 70241C FI 811815 A FI811815 A FI 811815A FI 811815 A FI811815 A FI 811815A FI 70241 C FI70241 C FI 70241C
Authority
FI
Finland
Prior art keywords
foam
particles
polymer particles
water
foamed plastic
Prior art date
Application number
FI811815A
Other languages
English (en)
Finnish (fi)
Other versions
FI70241B (fi
FI811815L (fi
Inventor
Tomas Pablo Nicolas Laszlo
Original Assignee
Ferrosan Ab
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 Ferrosan Ab filed Critical Ferrosan Ab
Publication of FI811815L publication Critical patent/FI811815L/fi
Publication of FI70241B publication Critical patent/FI70241B/fi
Application granted granted Critical
Publication of FI70241C publication Critical patent/FI70241C/fi

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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
    • C08J9/42—Impregnation with macromolecular compounds
    • 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
    • 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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • 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
    • C08J2400/00—Characterised by the use of unspecified polymers
    • C08J2400/14—Water soluble or water swellable polymers, e.g. aqueous gels
    • 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
    • C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • 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
    • C08J2429/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
    • 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
    • C08J2439/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Derivatives of such polymers

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Hematology (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Materials For Medical Uses (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Medicinal Preparation (AREA)
  • Graft Or Block Polymers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polyethers (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Claims (12)

1. Skumplast, vars halrum utgöres av öppna celler eller porer och vil-ken innehaller partiklar av vattenolöslig, hydrofil polymer, som är 5 svällbar till en gel i vatten, kännetecknad därav, att partiklarna är väsentligen likformigt fördelade i skumplastens hal-rum och förankrade till skumplasten med ett vattenlösligt bindemedel, varjämte partiklarnas storlek är sadan att de i osvällt tillstlnd är lätt införbara i skumplastens halrum, medan de i svällt tillstand vä-10 sentligen fullstMndigt utfyller de halrum väri de är införda.
2. Skumplast enligt kravet 1, kännetecknad därav, att minst 1051 av skumplastens halrum är försedda med partiklar av vattenolöslig, hydrofil, svällbar polymer. 15
3. Skumplast enligt kravet 1 eller 2, kännetecknad därav, att skumplasten utgöres av polyuretan. A. Skumplast enligt nagot av kraven 1-3, kännetecknad 20 därav, att partiklarna av den vattenolösliga, hydrofila, svällbara polymeren väljes bland polymerer baserade pa stärkelse, dextran, dextrin, cellulosa, sackaros, maltos, laktos eller sorbitol.
5. Skumplast enligt kravet A, kännetecknad därav, att 25 partiklarna utgöres av tvärbundet dextran.
6. Skumplast enligt nagot av föregaende krav, kännetecknad därav, att partiklarna inbegriper desinficerande eller farmaceutiskt aktivt medel. 30
7. Skumplast enligt nagot av föregaende krav, kännetecknad därav, att det vattenlösliga bindemedlet väljes bland polymerer eller sampolymerer baserade pa vinylalkohol och vinylpyrrolidon.
8. Skumplast enligt nagot av föregaende krav, kännetecknad därav, att tili bindemedlet satts en poloxamer bestnende av en segment-polymer av polyoxietylen och polyoxipropylen. li
FI811815A 1980-06-11 1981-06-10 Skumplast vars haolrum utgoeres av oeppna celler eller porer och vilken innehaoller partiklar av vattenoloeslig hydrofil polymer som aer svaellbar till en gel i vatten FI70241C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8004336 1980-06-11
SE8004336A SE440510B (sv) 1980-06-11 1980-06-11 Skumplast innehallande svellbara polymerpartiklar samt sett for framstellning derav

Publications (3)

Publication Number Publication Date
FI811815L FI811815L (fi) 1981-12-12
FI70241B FI70241B (fi) 1986-02-28
FI70241C true FI70241C (fi) 1986-09-15

Family

ID=20341190

Family Applications (1)

Application Number Title Priority Date Filing Date
FI811815A FI70241C (fi) 1980-06-11 1981-06-10 Skumplast vars haolrum utgoeres av oeppna celler eller porer och vilken innehaoller partiklar av vattenoloeslig hydrofil polymer som aer svaellbar till en gel i vatten

Country Status (7)

Country Link
EP (1) EP0041934B1 (sv)
AT (1) ATE12653T1 (sv)
DE (1) DE3169805D1 (sv)
DK (1) DK243781A (sv)
FI (1) FI70241C (sv)
NO (1) NO811955L (sv)
SE (1) SE440510B (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4747845A (en) * 1983-10-17 1988-05-31 Enquay Pharmaceutical Associates Synthetic resin matrix system for the extended delivery of drugs
EP0190814B1 (en) * 1985-01-04 1992-05-13 E.R. Squibb & Sons, Inc. Wound dressing
US4773408A (en) * 1985-01-04 1988-09-27 E. R. Squibb & Sons, Inc. Wound dressing
US4773409A (en) * 1985-09-20 1988-09-27 E. R. Squibb & Sons, Inc. Wound dressing
FR2590501B1 (fr) * 1985-11-22 1994-01-14 Beghin Say Sa Composition absorbant les liquides
US4846932A (en) * 1986-12-31 1989-07-11 Kuromatsu Corporation Co., Ltd. Water setting paper
NZ224284A (en) * 1987-04-24 1990-11-27 Unilever Plc Porous substrate containing gel for use in chemical synthesis, separation etc
GB8717949D0 (en) * 1987-07-29 1987-09-03 Yarsley Technical Centre Ltd Water absorbent structures
US5277915A (en) * 1987-10-30 1994-01-11 Fmc Corporation Gel-in-matrix containing a fractured hydrogel
US5156843A (en) * 1989-03-20 1992-10-20 Advanced Polymer Systems, Inc. Fabric impregnated with functional substances for controlled release
DE4026153A1 (de) * 1990-08-17 1992-02-20 Sebapharma Gmbh & Co Wundverband
GB9102660D0 (en) * 1991-02-07 1991-03-27 Ultra Lab Ltd Wound dressing materials
JP4045365B2 (ja) * 1993-11-15 2008-02-13 株式会社日本吸収体技術研究所 抗菌性複合不織布およびその製造方法
GB2362100B (en) * 2000-05-08 2002-05-08 Maelor Pharmaceuticals Ltd Wound gels
US8158689B2 (en) 2005-12-22 2012-04-17 Kimberly-Clark Worldwide, Inc. Hybrid absorbent foam and articles containing it
US9421309B2 (en) 2009-06-02 2016-08-23 Kci Licensing, Inc. Reduced-pressure treatment systems and methods employing hydrogel reservoir members
EP2501749B1 (de) * 2009-11-20 2013-09-18 Basf Se Mikrohohlkugeln enthaltende harzschaumstoffe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1001912A (sv) *
FR2147839A1 (en) * 1971-08-02 1973-03-11 Nb Plastiques Polyurethane sponge - by impregnating foam with a binder contg water insoluble hydrophilic particles
GB1570485A (en) * 1975-11-18 1980-07-02 Robinson & Sons Ltd Absorbent material for aqueous fluids
US4098728A (en) * 1976-01-02 1978-07-04 Solomon Rosenblatt Medical surgical sponge and method of making same
GB1550614A (en) * 1976-06-28 1979-08-15 Unilever Ltd Absorbent materials
GB1605082A (en) * 1977-06-27 1981-12-16 Vorhauer Lab Sponge-like structure

Also Published As

Publication number Publication date
ATE12653T1 (de) 1985-04-15
EP0041934A1 (en) 1981-12-16
SE8004336L (sv) 1981-12-12
FI70241B (fi) 1986-02-28
NO811955L (no) 1981-12-14
EP0041934B1 (en) 1985-04-10
SE440510B (sv) 1985-08-05
FI811815L (fi) 1981-12-12
DK243781A (da) 1981-12-12
DE3169805D1 (en) 1985-05-15

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Owner name: AB FERROSAN