ZA200502432B - Water absorbing agent and method for the production thereof. - Google Patents

Water absorbing agent and method for the production thereof. Download PDF

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Publication number
ZA200502432B
ZA200502432B ZA200502432A ZA200502432A ZA200502432B ZA 200502432 B ZA200502432 B ZA 200502432B ZA 200502432 A ZA200502432 A ZA 200502432A ZA 200502432 A ZA200502432 A ZA 200502432A ZA 200502432 B ZA200502432 B ZA 200502432B
Authority
ZA
South Africa
Prior art keywords
water absorbent
polymer
weight
water
acid
Prior art date
Application number
ZA200502432A
Other languages
English (en)
Inventor
Thomas Daniel
Ulrich Riegel
Mark Elliott
Matthias Weismantel
Martin Wendker
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of ZA200502432B publication Critical patent/ZA200502432B/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/02Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS 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
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/60Liquid-swellable gel-forming materials, e.g. super-absorbents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/24Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/245Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L39/00Compositions 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; Compositions of derivatives of such polymers
    • C08L39/02Homopolymers or copolymers of vinylamine
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00Characterised by the use of unspecified polymers
    • C08J2300/14Water soluble or water swellable polymers, e.g. aqueous gels
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/24Homopolymers or copolymers of amides or imides
    • C08L33/26Homopolymers or copolymers of acrylamide or methacrylamide

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
ZA200502432A 2002-08-26 2005-03-24 Water absorbing agent and method for the production thereof. ZA200502432B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10239074A DE10239074A1 (de) 2002-08-26 2002-08-26 Wasserabsorbierendes Mittel und Verfahren zu seiner Herstellung

Publications (1)

Publication Number Publication Date
ZA200502432B true ZA200502432B (en) 2005-10-04

Family

ID=31501951

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200502432A ZA200502432B (en) 2002-08-26 2005-03-24 Water absorbing agent and method for the production thereof.

Country Status (15)

Country Link
US (1) US20050245684A1 (pt)
EP (1) EP1537177B1 (pt)
JP (1) JP4278613B2 (pt)
KR (1) KR20050038033A (pt)
CN (1) CN1315941C (pt)
AT (1) ATE336548T1 (pt)
AU (1) AU2003264101A1 (pt)
BR (1) BR0313757A (pt)
CA (1) CA2496448A1 (pt)
DE (2) DE10239074A1 (pt)
ES (1) ES2271690T3 (pt)
MX (1) MXPA05001851A (pt)
PL (1) PL209646B1 (pt)
WO (1) WO2004024816A1 (pt)
ZA (1) ZA200502432B (pt)

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KR20050038033A (ko) 2005-04-25
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ATE336548T1 (de) 2006-09-15
AU2003264101A1 (en) 2004-04-30
EP1537177B1 (de) 2006-08-16
PL209646B1 (pl) 2011-09-30
JP2005537131A (ja) 2005-12-08
CN1678681A (zh) 2005-10-05
JP4278613B2 (ja) 2009-06-17
ES2271690T3 (es) 2007-04-16
CN1315941C (zh) 2007-05-16
EP1537177A1 (de) 2005-06-08
CA2496448A1 (en) 2004-03-25
BR0313757A (pt) 2005-06-21
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US20050245684A1 (en) 2005-11-03
PL375783A1 (en) 2005-12-12

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