ZA200901111B - Method for producing post-cured water-absorbent polymer particles with a higher absorption by polymerising droplets of a monomer solution - Google Patents

Method for producing post-cured water-absorbent polymer particles with a higher absorption by polymerising droplets of a monomer solution

Info

Publication number
ZA200901111B
ZA200901111B ZA200901111A ZA200901111A ZA200901111B ZA 200901111 B ZA200901111 B ZA 200901111B ZA 200901111 A ZA200901111 A ZA 200901111A ZA 200901111 A ZA200901111 A ZA 200901111A ZA 200901111 B ZA200901111 B ZA 200901111B
Authority
ZA
South Africa
Prior art keywords
polymer particles
monomer solution
absorbent polymer
higher absorption
cured water
Prior art date
Application number
ZA200901111A
Other languages
English (en)
Inventor
Matthias Weismantel
Wilfried Heide
Marco Krueger
Volker Seidl
Dennis Loesch
Ruediger Funk
Uwe Stueven
Stefan Blei
Annemarie Hillebrecht
Original Assignee
Basf Se
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 Se filed Critical Basf Se
Publication of ZA200901111B publication Critical patent/ZA200901111B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/04—Polymerisation in solution
    • C08F2/10—Aqueous solvent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/10—Making granules by moulding the material, i.e. treating it in the molten state
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F222/00—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 carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/10—Esters
    • C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
    • C08F222/103—Esters of polyhydric alcohols or polyhydric phenols of trialcohols, e.g. trimethylolpropane tri(meth)acrylate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Hematology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Polymerisation Methods In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
ZA200901111A 2006-07-19 2009-02-17 Method for producing post-cured water-absorbent polymer particles with a higher absorption by polymerising droplets of a monomer solution ZA200901111B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06117488 2006-07-19

Publications (1)

Publication Number Publication Date
ZA200901111B true ZA200901111B (en) 2010-04-28

Family

ID=38577540

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200901111A ZA200901111B (en) 2006-07-19 2009-02-17 Method for producing post-cured water-absorbent polymer particles with a higher absorption by polymerising droplets of a monomer solution

Country Status (9)

Country Link
US (2) US8202957B2 (xx)
EP (1) EP2046400B1 (xx)
JP (1) JP5602428B2 (xx)
CN (1) CN101489596B (xx)
BR (2) BR122017021370B1 (xx)
MY (1) MY150001A (xx)
RU (1) RU2480481C2 (xx)
WO (1) WO2008009580A1 (xx)
ZA (1) ZA200901111B (xx)

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DE102004051242A1 (de) 2004-10-20 2006-05-04 Basf Ag Feinteilige wasserabsorbierende Polymerpartikel mit hoher Flüssigkeitstransport- und Absorptionsleistung
DE102004057868A1 (de) 2004-11-30 2006-06-01 Basf Ag Unlösliche Metallsulfate in wasserabsorbierenden Polymerpartikeln
DE102005002412A1 (de) 2005-01-18 2006-07-27 Basf Ag Verfahren zur Herstellung von Polymeren durch Sprühpolymerisation
JP5101300B2 (ja) * 2005-01-28 2012-12-19 ビーエーエスエフ ソシエタス・ヨーロピア 気相中での液滴重合によって、吸水性ポリマー粒子を製造する方法
DE102005019398A1 (de) 2005-04-25 2006-10-26 Basf Ag Verfahren zur Herstellung von Fällungspolymeren durch Sprühpolymerisation

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US8202957B2 (en) 2012-06-19
WO2008009580A1 (de) 2008-01-24
JP2009543915A (ja) 2009-12-10
BR122017021370B1 (pt) 2018-09-04
RU2009105484A (ru) 2010-08-27
EP2046400A1 (de) 2009-04-15
BRPI0714450A2 (pt) 2013-03-12
US20090258994A1 (en) 2009-10-15
JP5602428B2 (ja) 2014-10-08
MY150001A (en) 2013-11-15
US20120141792A1 (en) 2012-06-07
CN101489596B (zh) 2013-05-15
CN101489596A (zh) 2009-07-22
RU2480481C2 (ru) 2013-04-27
BRPI0714450A8 (pt) 2017-07-11
EP2046400B1 (de) 2015-09-09
US8389658B2 (en) 2013-03-05

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