FI90939B - Absorberande strukturer med gelbildande ämnen och absorberande produkter innehållande dessa - Google Patents
Absorberande strukturer med gelbildande ämnen och absorberande produkter innehållande dessa Download PDFInfo
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- FI90939B FI90939B FI883831A FI883831A FI90939B FI 90939 B FI90939 B FI 90939B FI 883831 A FI883831 A FI 883831A FI 883831 A FI883831 A FI 883831A FI 90939 B FI90939 B FI 90939B
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- gelling agent
- particles
- absorbent
- weight
- microns
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- 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
-
- 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
- A61F13/531—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 homogeneous composition through the thickness of the pad
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- 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
-
- 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
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
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- 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
- A61F13/15203—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
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- 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
- A61F13/15203—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
- A61F2013/15373—Calliper, i.e. thickness
- A61F2013/15382—Reduced thickness
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- 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
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15422—Density
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- 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
- A61F13/45—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 shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F2013/4708—Panty-liner
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- 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
- A61F13/51—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 outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
- A61F2013/51409—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
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- 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
- A61F2013/530007—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 being made from pulp
-
- 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
- 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
- A61F2013/530489—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 being randomly mixed in with other material
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- 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
- 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
- A61F2013/530569—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 characterized by the particle size
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- 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
- 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
- A61F2013/530583—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 characterized by the form
- A61F2013/530591—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 characterized by the form in granules or particles
-
- 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
- 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
- A61F2013/5307—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 characterized by the quantity or ratio of superabsorbent material
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- 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
- 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
- A61F2013/530708—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 characterized by the absorbency properties
-
- 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
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F2013/8488—Accessories, not otherwise provided for, for absorbent pads including testing apparatus
- A61F2013/8491—Accessories, not otherwise provided for, for absorbent pads including testing apparatus including test methods
Claims (11)
1. Absorberande produkt med förbättrad absorp-tionsförmäga omfattande
2. Absorberande produkt enligt patentkrav 1 1 form av en engängsblöja, kännetecknad därav, att
25 A. längden hos täckarket är samma som hos ena si- dan av innehället, B. längden hos bottenarket är samma som hos ytan hos innehället mitt emot den yta som täcks av täckarket och bredden är större än hos innehället, varvld bottenar- 30 ket bildar sidokantdelar vllka sträcker sig utanför inne-hället, och C. det absorberande innhället är format som ett timglas.
3. Absorberande produkt enligt patentkrav 1 eller 35 2, kännetecknad därav, att 1 väven 1 det ab- 36 sorberande innehället är koncentrationsgradienten hos partiklarna hos det polymera gelbildande ämnet sädan, att inom zonen närä vävens bottenark är koncentrationen av det polymera gelbildande medlet högre än Inom zonen närä 5 vävens täckark.
4. Absorberande struktur omfattande en väv med tätheten 0,06 - 0,3 g/cm3 vilken är bildad av en kombina-tion bestäende av 40 - 95 vikt-% hydrofila fibrer och 5 -60 vikt-% polymert gelbildande ämne omsorgsfullt disper- 10 gerat bland vävens hydrofila fibrer, känneteck-n a d därav, att det polymera gelbildande ämnet är in-korporerat i väven i form av ej fiberaktiga, ej sköra partiklar av det polymera gelbildande ämnet, vars gelvo-lym i jämviktstillständ är ätminstone 20 g syntetisk urin 15 per gram gelbildande ämne, varvid massmedelstorleken för partiklarna hos det gelbildande ämnet är 400 - 700 mikro-n, varvid andelen av de partiklar, hos vilka partikel-storleken är mindre än 200 mikron är högst 16 vikt-% och andelen av de partiklar, hos vilka partikelstorleken är 20 större än 1000 mikron är högst 16 vikt-%.
5 Series-silar är följande US Sieve Series Fördelning alternerande beteckning (vikt-%) äterstod nro 14 <0,1 10 äterstod nro 16 <1,0 äterstod nro 20 10 - 35 äterstod nro 50 > 50 äterstod nro 100 < 15 genom nro 100 £ 5
5. Absorberande produkt enligt nägot av patentkra-ven 1-4, kännetecknad därav, att de hydrofila fibrerna är cellulosahaltiga fibrer och de utgör 70 - 90 vikt-% av vävstrukturen och partiklarna hos det 25 gelbildande ämnet utgör 10 - 30 vikt-% av vävstrukturen.
5 A. ett för vätskor ogenomträngllgt bottenark, B. ett för vätskor genomträngligt täckark, och C. ett absorberande innehäll anbragt mellan bot-tenarket och täckarket omfattande en väv med tätheten 0,06 - 0,3 g/cm3, vilken är bildad av en kombination 10 bestäende av 40 - 95 vikt-% hydrofila fibrer och 5-60 vikt-% polymert gelblldande ämne omsorgsfullt dlspergerat bland vävens hydrofila fibrer, kännetecknad därav, att det polymera gelblldande ämnet är Inkorporerat 1 väven 1 form av ej fiberaktiga, ej sköra partiklar av 15 ett polymert gelblldande ämne, vars gelvolym 1 jämvikts-tillständ är ätminstone 20 g syntetlsk urin per gram gelblldande ämne, varvld massmedestorleken för partlklarna hos det gelblldande ämnet är 400 - 700 mikron, varvld an-delen av de partiklar, hos vllka partlkelstorleken är 20 mlndre än 200 mikron är högst 16 vlkt-% och andelen av de partiklar, hos vllka partlkelstorleken är större än 1000 mikron är högst 16 vikt-%.
6. Absorberande produkt enligt nägot av patentkra-ven 1-5, kännetecknad därav, att de hydrofila fibrerna är pappersmassafibrer och gelvolymen hos det polymera gelbildande ämnet är 25 - 60 g syntetisk 30 urin per gram gelbildande ämne.
7. Absorberande produkt eller struktur enligt nä-got av patentkraven 1-5, kännetecknad därav, att de hydrofila fibrerna är förstärkta, tvinnade, lockade cellulosafibrer och gelvolymen hos det polymera 35 gelbildande ämnet är 25 - 35 g syntetisk urin per gram gelbildande ämne. tl 90939 37
8. Komposition som lämpar sig synnerligen väl för att användas som absorberande gelbildande ämne i absorbe-rande fiberstrukturer omfattande företrädesvis i vatten olösligt, nägot tvärbundet, delvis neutraliserat, hydro- 5 gelbildande polymert gelbildande ämne omfattande: (A) 50 - 99,999 mol-% polymeriserade omättade po-lymerbara, syragrupper innehällande monomerer och (B) 0,001 - 5 mol-% förnätningsämne, varvid neutrlisationsgraden hos det polymera gel-10 bildande ämnet är ätminstone 50 % och gelvolymen är ät-minstone 20 g syntetisk urin per gram gelbildande ämne, och kompositionen ärkännetecknad därav, att den föreligger i form av ett flertal ej fiberaktiga, ej sköra partiklar av det gelbildande ämnet, varvid massme-15 delstorleken för partiklarna hos det gelbildande ämnet är 400 - 700 mikron, varvid andelen av de partiklar, hos vilka partikelstorleken är mindre än 200 mikron är högst 16 vikt-% och andelen av de partiklar, hos vilka partikelstorleken är större än 1000 mikron är högst 16 20 vikt-%.
9. Produkt, struktur eller komposition enligt nä-got av patentkraven 1-8, kännetecknad därav, att A. det polymerbara gelbildande ämnet utgörs av en 25 nägot tvärbunden, delvis neutraliserad polymer, som är vald bland polyakrylater och med akrylsyra ymppolymerise-rad stärkelse, varvid det extraherbara polymerinnehället som syntetisk urin i jämviktstillständ är högst 17 vikt-%,
30 B. massmedelstorleken för partiklarna hos det gel bildande ämnet är 410 - 650 mikron, företrädesvis 420 -600 mikron, varvid andelen av de partiklar, hos vilka partikelstorleken är större än 900 mikron är högst 16 vikt-%. 38
10. Produkt, struktur eller komposition enligt ηά- got av patentkraven 1-9, kännetecknad där- av, att partikelfördelningen för partiklarna hos det gel- bildande ämnet bestämt enligt ASTM-analys med US Sieve
11. Produkt, struktur eller komposition enligt nä- got av patentkraven 1 - 10, kännetecknad därav, att partiklarna hos det gelbildande ämnet förelig-ger i form av ej sköra agglomerat.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8713787A | 1987-08-19 | 1987-08-19 | |
US8713787 | 1987-08-19 | ||
US14690488A | 1988-01-22 | 1988-01-22 | |
US14690488 | 1988-01-22 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI883831A0 FI883831A0 (sv) | 1988-08-18 |
FI883831A FI883831A (sv) | 1989-02-20 |
FI90939B true FI90939B (sv) | 1994-01-14 |
FI90939C FI90939C (sv) | 1994-04-25 |
Family
ID=26776636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI883831A FI90939C (sv) | 1987-08-19 | 1988-08-18 | Absorberande strukturer med gelbildande ämnen och absorberande produkter innehållande dessa |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0304319B1 (sv) |
JP (1) | JP2904791B2 (sv) |
KR (1) | KR940006673Y1 (sv) |
AU (1) | AU625050B2 (sv) |
BE (1) | BE1002290A5 (sv) |
CA (1) | CA1310481C (sv) |
DE (1) | DE3887712T2 (sv) |
ES (1) | ES2007998A6 (sv) |
FI (1) | FI90939C (sv) |
FR (1) | FR2619507B1 (sv) |
GB (1) | GB2208804B (sv) |
GR (1) | GR1000126B (sv) |
IE (1) | IE61265B1 (sv) |
IT (1) | IT1226741B (sv) |
Families Citing this family (36)
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GB2211418B (en) * | 1987-10-29 | 1992-01-02 | Smith & Nephew Ass | Incontinence device |
ZA892846B (en) * | 1988-04-21 | 1989-12-27 | Kimberly Clark Co | Absorbent products containing hydrogels with ability to swell against pressure |
US5147343B1 (en) * | 1988-04-21 | 1998-03-17 | Kimberly Clark Co | Absorbent products containing hydrogels with ability to swell against pressure |
WO1990004456A1 (en) * | 1988-10-19 | 1990-05-03 | John Kenneth Bethune | Superabsorbant package |
US5149335A (en) * | 1990-02-23 | 1992-09-22 | Kimberly-Clark Corporation | Absorbent structure |
DE4021847C2 (de) * | 1990-07-09 | 1994-09-08 | Stockhausen Chem Fab Gmbh | Verfahren zur Herstellung wasserquellbarer Produkte unter Verwendung von Feinstanteilen wasserquellbarer Polymerer |
GB2248766A (en) * | 1990-10-03 | 1992-04-22 | Tero Tech Limited | Spillage absorption |
ZA92308B (en) | 1991-09-11 | 1992-10-28 | Kimberly Clark Co | Thin absorbent article having rapid uptake of liquid |
CA2072454C (en) * | 1991-12-11 | 2003-04-29 | Kimberly-Clark Worldwide, Inc. | High absorbency composite |
DE69333752T3 (de) | 1992-06-10 | 2011-03-03 | Nippon Shokubai Co. Ltd. | Verfahren zur Herstellung eines hydrophilen Harzes |
GB2268687A (en) * | 1992-07-17 | 1994-01-19 | Janet Alice Israel | Absorbent breast pad |
MX213505B (sv) | 1993-02-24 | 2003-04-03 | ||
US5350370A (en) * | 1993-04-30 | 1994-09-27 | Kimberly-Clark Corporation | High wicking liquid absorbent composite |
DE4344224A1 (de) † | 1993-12-23 | 1995-06-29 | Stockhausen Chem Fab Gmbh | Vernetzte synthetische Polymerisate mit poröser Struktur, hoher Aufnahmegeschwindigkeit für Wasser, wäßrige Lösungen und Körperflüssigkeiten, ein Verfahren zu ihrer Herstellung und ihre Verwendung zur Absorption und/oder Retention von Wasser und/oder wäßrigen Flüssigkeiten |
USRE38444E1 (en) | 1994-06-13 | 2004-02-24 | Nippon Shokubai Co., Ltd. | Absorbing agent, process of manufacturing same, and absorbent product containing same |
US5714156A (en) * | 1994-07-05 | 1998-02-03 | The Procter & Gamble Company | Absorbent gelling material comprising a dry mixture of at least two types of hydrogel-forming particles and method for making the same |
AU717286B2 (en) * | 1996-11-06 | 2000-03-23 | Sanyo Chemical Industries Ltd. | Water absorbing agent and absorbent material |
US20040015144A1 (en) | 2000-12-08 | 2004-01-22 | Daio Paper Corporation | Absorbent, process for producing the same, and absorbent article comprising the absorbent |
US7615040B2 (en) | 2001-12-19 | 2009-11-10 | Kimberly-Clark Worldwide, Inc. | Thin, flexible, low capacity absorbent article with leakage protection |
CN1599586A (zh) * | 2001-12-19 | 2005-03-23 | 金伯利-克拉克环球有限公司 | 具有泄漏保护的薄、挠性、低容量的吸收产品 |
TWI302541B (en) | 2003-05-09 | 2008-11-01 | Nippon Catalytic Chem Ind | Water-absorbent resin and its production process |
GB2401879A (en) * | 2003-05-19 | 2004-11-24 | Adv Med Solutions Ltd | Absorbent material |
DE10331192A1 (de) | 2003-07-10 | 2005-02-03 | Paul Hartmann Ag | Hautfreundliches Einwegprodukt |
EP1504739B1 (en) | 2003-08-07 | 2013-01-30 | The Procter & Gamble Company | Latex bonded acquisition layer for absorbent articles |
EP1504741A1 (en) | 2003-08-07 | 2005-02-09 | The Procter & Gamble Company | Latex bonded acquisition layer having pressure insensitive liquid handling properties |
EP1504740B1 (en) | 2003-08-07 | 2013-03-06 | The Procter & Gamble Company | Latex bonded acquisition layer having temperature insensitive liquid handling properties |
JP4640923B2 (ja) | 2003-09-05 | 2011-03-02 | 株式会社日本触媒 | 粒子状吸水性樹脂組成物の製造方法 |
DE102004007163B3 (de) * | 2004-02-12 | 2005-10-06 | Stockhausen Gmbh | Silo-Vorrichtung für superabsorbierende Polymere |
TWI344469B (en) | 2005-04-07 | 2011-07-01 | Nippon Catalytic Chem Ind | Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin |
TWI394789B (zh) | 2005-12-22 | 2013-05-01 | Nippon Catalytic Chem Ind | 吸水性樹脂組成物及其製造方法、吸收性物品 |
EP1837348B9 (en) | 2006-03-24 | 2020-01-08 | Nippon Shokubai Co.,Ltd. | Water-absorbing resin and method for manufacturing the same |
JP5067919B2 (ja) * | 2006-04-07 | 2012-11-07 | 旭化成ケミカルズ株式会社 | 吸収性複合体及びその製造方法 |
EP2313042B1 (en) | 2008-08-06 | 2013-07-10 | Basf Se | Fluid-absorbent articles |
EP2416864A2 (en) * | 2009-04-07 | 2012-02-15 | 3M Innovative Properties Company | Improved sorbent loaded webs for gravity filtration |
JP5801203B2 (ja) | 2009-09-29 | 2015-10-28 | 株式会社日本触媒 | 粒子状吸水剤及びその製造方法 |
KR101112050B1 (ko) * | 2009-11-05 | 2012-02-13 | 권수안 | 의료용 폴리우레탄 하이드로겔 제조용 조성물 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK167952B1 (da) * | 1983-03-10 | 1994-01-10 | Procter & Gamble | Absorbentstruktur, som er en blanding af hydrofile fibre og vanduoploeselig hydrogel i form af saerskilte partikler af tvaerbundet polumert materiale, fremgangsmaade til fremstilling af samme samt engangsble fremstillet heraf |
NZ209483A (en) * | 1983-09-23 | 1987-08-31 | Personal Products Co | Compressed absorbent aggregate; superabsorbent material with hydrophilic filler |
ZA851661B (en) * | 1984-03-29 | 1986-10-29 | Minnesota Mining & Mfg | Sorbent sheet material |
PH23760A (en) * | 1985-05-15 | 1989-11-03 | Procter & Gamble | Disposable absorbent articles |
US4654039A (en) * | 1985-06-18 | 1987-03-31 | The Proctor & Gamble Company | Hydrogel-forming polymer compositions for use in absorbent structures |
US4699823A (en) * | 1985-08-21 | 1987-10-13 | Kimberly-Clark Corporation | Non-layered absorbent insert having Z-directional superabsorbent concentration gradient |
-
1988
- 1988-08-17 IT IT8821712A patent/IT1226741B/it active
- 1988-08-18 CA CA000575111A patent/CA1310481C/en not_active Expired - Lifetime
- 1988-08-18 AU AU21053/88A patent/AU625050B2/en not_active Expired
- 1988-08-18 GR GR880100535A patent/GR1000126B/el not_active IP Right Cessation
- 1988-08-18 FR FR888811014A patent/FR2619507B1/fr not_active Expired - Lifetime
- 1988-08-18 FI FI883831A patent/FI90939C/sv not_active IP Right Cessation
- 1988-08-18 IE IE253288A patent/IE61265B1/en not_active IP Right Cessation
- 1988-08-19 BE BE8800950A patent/BE1002290A5/fr not_active IP Right Cessation
- 1988-08-19 ES ES8802587A patent/ES2007998A6/es not_active Expired
- 1988-08-19 GB GB8819795A patent/GB2208804B/en not_active Expired - Lifetime
- 1988-08-19 DE DE3887712T patent/DE3887712T2/de not_active Expired - Lifetime
- 1988-08-19 KR KR2019880013507U patent/KR940006673Y1/ko not_active IP Right Cessation
- 1988-08-19 JP JP63206241A patent/JP2904791B2/ja not_active Expired - Lifetime
- 1988-08-19 EP EP88307707A patent/EP0304319B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IE882532L (en) | 1989-02-19 |
JPH01132802A (ja) | 1989-05-25 |
ES2007998A6 (es) | 1989-07-01 |
GR1000126B (el) | 1991-07-31 |
GR880100535A (en) | 1989-05-25 |
DE3887712T2 (de) | 1994-06-30 |
KR940006673Y1 (ko) | 1994-09-28 |
FI883831A (sv) | 1989-02-20 |
DE3887712D1 (de) | 1994-03-24 |
CA1310481C (en) | 1992-11-24 |
FR2619507B1 (fr) | 1992-08-28 |
FI90939C (sv) | 1994-04-25 |
GB2208804A (en) | 1989-04-19 |
EP0304319B1 (en) | 1994-02-09 |
KR890004174U (ko) | 1989-04-17 |
EP0304319A3 (en) | 1990-05-02 |
BE1002290A5 (fr) | 1990-11-20 |
AU625050B2 (en) | 1992-07-02 |
JP2904791B2 (ja) | 1999-06-14 |
AU2105388A (en) | 1989-02-23 |
FI883831A0 (sv) | 1988-08-18 |
FR2619507A1 (fr) | 1989-02-24 |
GB2208804B (en) | 1992-05-06 |
IT8821712A0 (it) | 1988-08-17 |
EP0304319A2 (en) | 1989-02-22 |
GB8819795D0 (en) | 1988-09-21 |
IT1226741B (it) | 1991-02-05 |
IE61265B1 (en) | 1994-10-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB | Publication of examined application | ||
FG | Patent granted |
Owner name: THE PROCTER & GAMBLE COMPANY |
|
MA | Patent expired |