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PE20000374A1 - ABSORBENT POLYMERIC COMPOSITIONS HAVING HIGH ABSORPTION CAPACITIES UNDER AN APPLIED PRESSURE - Google Patents

ABSORBENT POLYMERIC COMPOSITIONS HAVING HIGH ABSORPTION CAPACITIES UNDER AN APPLIED PRESSURE

Info

Publication number
PE20000374A1
PE20000374A1 PE1999000010A PE00001099A PE20000374A1 PE 20000374 A1 PE20000374 A1 PE 20000374A1 PE 1999000010 A PE1999000010 A PE 1999000010A PE 00001099 A PE00001099 A PE 00001099A PE 20000374 A1 PE20000374 A1 PE 20000374A1
Authority
PE
Peru
Prior art keywords
absorbing polymer
ion exchange
applied pressure
pup
high absorption
Prior art date
Application number
PE1999000010A
Other languages
Spanish (es)
Inventor
Bryn Hird
Dyer John Collins Collins
Arman Ashraf
Stephen Allen Goldman
Robert Earl Magness
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 PE20000374A1 publication Critical patent/PE20000374A1/en

Links

Classifications

    • 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
    • A61L15/42—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
    • B01J39/16—Organic material
    • B01J39/18—Macromolecular compounds
    • 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
    • A61F2013/15463—Absorbency
    • 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
    • A61F2013/530737—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 by the absorbent capacity
    • A61F2013/530744—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 by the absorbent capacity by the absorbency under load

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Hematology (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

SE REFIERE A UNA COMPOSICION DE INTERCAMBIO IONICO DE LECHO MIXTO QUE COMPRENDE: i) UN POLIMERO ABSORBENTE DE INTERCAMBIO CATIONICO, PREPARADO DE MONOMEROS DE ACIDO ACRILICO; Y ii) UN POLIMERO ABSORBENTE DE INTERCAMBIO ANIONICO, PREPARADO DE UN MONOMERO SELECCIONADO DE: ETILENIMINA, ALILAMINA, DIALILAMINA; Y MEZCLAS DE ESTAS; Y QUE TIENE UNA CAPACIDAD DE FUNCIONAMIENTO BAJO PRESION (PUP) EN SOLUCION DE ORINA SINTETICA BAJO UNA CARGA APLICADA DE 0,7 psi DE POR LO MENOS APROXIMADAMENTE 30 g/g DESPUES DE 2 HORAS; DEFINIENDOSE PUP COMO LA ABSORCION EN g/g DE LA SOLUCION DE ORINA SINTETICA POR UNA CAPA DE 0,032 g/cm² DEL POLIMERO ABSORBENTE, MIENTRAS ESTA RESTRINGIDA BAJO UNA PRESION APLICADA ESPECIFICA DURANTE UN PERIODO DE TIEMPO PARTICULAR. ASIMISMO LA CAPACIDAD DE INTERCAMBIO IONICO DE (ii) ES DE POR LO MENOS 15 meq/g Y LA CAPACIDAD DE INTERCAMBIO IONICO DE (i) QUE FORMA HIDROGEL ES DE POR LO MENOS 8 meq/g. SE REFIERE TAMBIEN A ELEMENTOS ABSORBENTES QUE COMPRENDEN LA COMPOSICION YA DESCRITA Y ARTICULOS ABSORBENTES QUE COMPRENDEN LOS ELEMENTOS ABSORBENTESIT REFERS TO A MIXED BED ION EXCHANGE COMPOSITION THAT INCLUDES: i) AN ABSORBING POLYMER WITH A CATIONIC EXCHANGE, PREPARED FROM ACRYLIC ACID MONOMERS; AND ii) AN ANION EXCHANGE ABSORBING POLYMER, PREPARED FROM A MONOMER SELECTED FROM: ETHYLENIMINE, ALYLAMINE, DIALYLAMINE; AND MIXTURES OF THESE; AND THAT HAS A PRESSURE OPERATING CAPACITY (PUP) IN SYNTHETIC URINE SOLUTION UNDER AN APPLIED LOAD OF 0.7 psi OF AT LEAST APPROXIMATELY 30 g / g AFTER 2 HOURS; DEFINING PUP AS THE ABSORPTION IN g / g OF THE SYNTHETIC URINE SOLUTION BY A LAYER OF 0.032 g / cm² OF THE ABSORBING POLYMER, WHILE IT IS RESTRICTED UNDER A SPECIFIC APPLIED PRESSURE DURING A PARTICULAR PERIOD OF TIME. ALSO THE ION EXCHANGE CAPACITY OF (ii) IS AT LEAST 15 meq / g AND THE ION EXCHANGE CAPACITY OF (i) WHICH FORMS HYDROGEL IS AT LEAST 8 meq / g. REFERS ALSO TO ABSORBENT ELEMENTS THAT INCLUDE THE ALREADY DESCRIBED COMPOSITION AND ABSORBENT ARTICLES THAT INCLUDE THE ABSORBENT ELEMENTS

PE1999000010A 1998-01-07 1999-01-06 ABSORBENT POLYMERIC COMPOSITIONS HAVING HIGH ABSORPTION CAPACITIES UNDER AN APPLIED PRESSURE PE20000374A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US356598A 1998-01-07 1998-01-07

Publications (1)

Publication Number Publication Date
PE20000374A1 true PE20000374A1 (en) 2000-06-22

Family

ID=21706469

Family Applications (2)

Application Number Title Priority Date Filing Date
PE1999000010A PE20000374A1 (en) 1998-01-07 1999-01-06 ABSORBENT POLYMERIC COMPOSITIONS HAVING HIGH ABSORPTION CAPACITIES UNDER AN APPLIED PRESSURE
PE1999000206A PE20000859A1 (en) 1998-01-07 1999-03-15 ABSORBING POLYMER COMPOSITIONS WITH HIGH ABSORPTION CAPACITIES UNDER AN APPLIED PRESSURE

Family Applications After (1)

Application Number Title Priority Date Filing Date
PE1999000206A PE20000859A1 (en) 1998-01-07 1999-03-15 ABSORBING POLYMER COMPOSITIONS WITH HIGH ABSORPTION CAPACITIES UNDER AN APPLIED PRESSURE

Country Status (12)

Country Link
JP (1) JP2002500247A (en)
AR (1) AR012771A1 (en)
AU (1) AU1501299A (en)
BR (1) BR9813715A (en)
CA (1) CA2318495A1 (en)
CO (1) CO5080823A1 (en)
ID (1) ID28307A (en)
IL (1) IL137034A0 (en)
MX (1) MXPA00006753A (en)
PE (2) PE20000374A1 (en)
WO (1) WO1999034843A1 (en)
ZA (1) ZA9811922B (en)

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KR20010031078A (en) * 1998-08-13 2001-04-16 다나카 쇼소 Cross-linked polymer composition swelling in water and process for producing the same
ZA991994B (en) * 1999-03-11 1999-11-24 Procter & Gamble Absorbent polymer compositions having high sorption capacities under an applied pressure.
WO2000063295A1 (en) * 1999-04-20 2000-10-26 Basf Aktiengesellschaft Hydrogel-forming polymer mixture
US6342652B1 (en) 1999-09-01 2002-01-29 Nippon Shokubai Co., Ltd. Water-swellable crosslinked polymer, its composition, and their production processes and uses
JP4727027B2 (en) * 1999-09-01 2011-07-20 株式会社日本触媒 Method for producing water-swellable crosslinked polymer and method for producing the composition
US20010006267A1 (en) 1999-12-27 2001-07-05 Nobuyuki Harada Production processes for basic water-absorbent resin and water-absorbing agent, and use thereof
DE10053858A1 (en) 2000-10-30 2002-05-08 Stockhausen Chem Fab Gmbh Absorbent structure with improved blocking properties
WO2002059214A1 (en) 2001-01-26 2002-08-01 Nippon Shokubai Co., Ltd. Water absorbing agent and method for production thereof, and water absorbing article
AU2003274077A1 (en) 2002-10-25 2004-05-13 Stockhausen Gmbh Two-stage mixing method for producing an absorbent polymer
ATE409447T1 (en) * 2003-02-12 2008-10-15 Procter & Gamble COMFORTABLE DIAPER
JP5064682B2 (en) * 2003-06-13 2012-10-31 住友精化株式会社 Absorber and absorbent article using the same
DE10334271B4 (en) 2003-07-25 2006-02-23 Stockhausen Gmbh Process for the agglomeration of superabsorbent fine particles, superabsorbent particles obtainable therefrom, their use and composites containing them
DE10334286B4 (en) 2003-07-25 2006-01-05 Stockhausen Gmbh Powdered, water-absorbing polymers with fine particles bound by means of thermoplastic adhesives, process for their preparation and chemical products and compounds containing them
EP1512417B1 (en) 2003-09-02 2013-06-19 Nippon Shokubai Co., Ltd. Particulate water-absorbent resin composition
DE102004019264B4 (en) 2004-04-21 2008-04-10 Stockhausen Gmbh Process for the preparation of an absorbent polymer by means of spread drying
DE102005010198A1 (en) 2005-03-05 2006-09-07 Degussa Ag Hydrolysis stable, post-crosslinked superabsorbent
DE102005018924A1 (en) 2005-04-22 2006-10-26 Stockhausen Gmbh Water-absorbing polymer structures with improved absorption properties
TWI404734B (en) 2005-04-22 2013-08-11 Evonik Stockhausen Gmbh Water-absorbing polymer structure with improved absorption properties
DE102005055497A1 (en) 2005-11-18 2007-05-31 Stockhausen Gmbh Odor-binding superabsorbent composition
US8829107B2 (en) 2006-02-28 2014-09-09 Evonik Degussa Gmbh Biodegradable superabsorbent polymer composition with good absorption and retention properties
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US8907017B2 (en) 2006-04-21 2014-12-09 Evonik Degussa Gmbh Water-absorbing polymer structure having improved permeability and absorption under pressure
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DE102007024080A1 (en) 2007-05-22 2008-11-27 Evonik Stockhausen Gmbh Process for gentle mixing and coating of superabsorbents
US7816426B2 (en) 2007-07-16 2010-10-19 Evonik Stockhausen, Llc Superabsorbent polymer compositions having color stability
DE102007045724B4 (en) 2007-09-24 2012-01-26 Evonik Stockhausen Gmbh Superabsorbent composition with tannins for odor control, process for their preparation and use
DE102007053619A1 (en) 2007-11-08 2009-05-20 Evonik Stockhausen Gmbh Water-absorbing polymer structures with improved color stability
TWI455973B (en) 2008-03-05 2014-10-11 Evonik Degussa Gmbh Superabsorbent composition with zinc salicylate for odour control
DE102009016404A1 (en) 2009-04-07 2010-10-21 Evonik Stockhausen Gmbh Use of hollow bodies for producing water-absorbing polymer structures
DE102009040949A1 (en) 2009-09-11 2011-03-31 Evonik Stockhausen Gmbh Plasma modification of water-absorbing polymer structures
DE102010008163A1 (en) 2010-02-16 2011-08-18 Evonik Stockhausen GmbH, 47805 Process for recycling polymer fine particles
EP2371869A1 (en) 2010-03-30 2011-10-05 Evonik Stockhausen GmbH A process for the production of a superabsorbent polymer
DE102010043113A1 (en) 2010-10-29 2012-05-03 Evonik Stockhausen Gmbh Process for the preparation of improved absorbent polymers by cryogenic milling
DE102011007723A1 (en) 2011-04-20 2012-10-25 Evonik Stockhausen Gmbh Process for the preparation of water-absorbing polymers with high absorption rate
DE102011086522A1 (en) 2011-11-17 2013-05-23 Evonik Degussa Gmbh Superabsorbent polymers for highly filled or fiber-free hygiene articles
DE102011086516A1 (en) 2011-11-17 2013-05-23 Evonik Degussa Gmbh Superabsorbent polymers with fast absorption properties and process for its preparation
JP5924807B2 (en) * 2012-02-14 2016-05-25 日本フイルコン株式会社 Gel-like metal adsorbent and gel-like metal adsorbent-carrying adsorbent
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Also Published As

Publication number Publication date
BR9813715A (en) 2006-01-03
ZA9811922B (en) 1999-07-26
IL137034A0 (en) 2001-06-14
CO5080823A1 (en) 2001-09-25
AR012771A1 (en) 2000-11-08
PE20000859A1 (en) 2000-11-11
ID28307A (en) 2001-05-10
CA2318495A1 (en) 1999-07-15
AU1501299A (en) 1999-07-26
MXPA00006753A (en) 2001-01-01
JP2002500247A (en) 2002-01-08
WO1999034843A1 (en) 1999-07-15

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