DE602006011090D1 - Verfahren zur Oberflächenvernetzung von superabsorbierenden Polymerpartikeln mit UV-Strahlung - Google Patents

Verfahren zur Oberflächenvernetzung von superabsorbierenden Polymerpartikeln mit UV-Strahlung

Info

Publication number
DE602006011090D1
DE602006011090D1 DE602006011090T DE602006011090T DE602006011090D1 DE 602006011090 D1 DE602006011090 D1 DE 602006011090D1 DE 602006011090 T DE602006011090 T DE 602006011090T DE 602006011090 T DE602006011090 T DE 602006011090T DE 602006011090 D1 DE602006011090 D1 DE 602006011090D1
Authority
DE
Germany
Prior art keywords
superabsorbent polymer
drum
polymer particles
radiation
irradiation source
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602006011090T
Other languages
English (en)
Inventor
Andreas Flohr
Torsten Lindner
Esther Prof Dr Oliveros
Yoshiro Mitsukami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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 and Gamble Co filed Critical Procter and Gamble Co
Publication of DE602006011090D1 publication Critical patent/DE602006011090D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/28—Treatment by wave energy or particle radiation
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0033—Heating devices using lamps
    • H05B3/0038—Heating devices using lamps for industrial applications
    • H05B3/0057—Heating devices using lamps for industrial applications for plastic handling and treatment
    • 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
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/14—Water soluble or water swellable polymers, e.g. aqueous gels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • Dispersion Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE602006011090T 2005-08-23 2006-06-22 Verfahren zur Oberflächenvernetzung von superabsorbierenden Polymerpartikeln mit UV-Strahlung Active DE602006011090D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05018251A EP1757646A1 (de) 2005-08-23 2005-08-23 Verfahren zur Oberflächenvernetzung von superabsorbierenden Polymerpartikeln mit UV-Strahlung

Publications (1)

Publication Number Publication Date
DE602006011090D1 true DE602006011090D1 (de) 2010-01-28

Family

ID=35519936

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006011090T Active DE602006011090D1 (de) 2005-08-23 2006-06-22 Verfahren zur Oberflächenvernetzung von superabsorbierenden Polymerpartikeln mit UV-Strahlung

Country Status (6)

Country Link
EP (2) EP1757646A1 (de)
JP (1) JP2009504353A (de)
CN (1) CN101248112A (de)
AT (1) ATE452158T1 (de)
DE (1) DE602006011090D1 (de)
MX (1) MX2008002439A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1504772A1 (de) 2003-08-06 2005-02-09 The Procter & Gamble Company Superabsorbierende Polymere mit strahlungsaktivierbare Oberflächevernetzer und Verfahren zu deren Herstellung
DE602004029569D1 (de) 2004-07-20 2010-11-25 Procter & Gamble Oberflächlich vernetzte superabsorbierende Partikeln und Verfahren zu ihrer Herstellung
US8080705B2 (en) 2004-07-28 2011-12-20 The Procter & Gamble Company Superabsorbent polymers comprising direct covalent bonds between polymer chain segments and method of making them
EP1624002B1 (de) 2004-08-07 2019-04-03 The Procter & Gamble Company Superabsorbierende polymerteilchen mit funktionalisierungen und ein verfahren zu deren herstellung
EP1669394A1 (de) 2004-12-10 2006-06-14 The Procter & Gamble Company Superabsorbierende Polymerpartikel mit verbesserter Oberflächenvernetzung und hydrophiler Eigenschaft und Verfahren zur Herstellung
CA2620653A1 (en) 2005-08-23 2007-03-01 The Procter & Gamble Company Absorbent articles comprising surface cross-linked superabsorbent polymer particles made by a method using ultraviolet radiation
US7588822B2 (en) 2005-08-23 2009-09-15 The Procter & Gamble Co. Absorbent articles surface cross-linked superabsorbent polymer particles made by a method of using ultraviolet radiation and brØnsted acids
US7576138B2 (en) 2005-08-23 2009-08-18 The Procter & Gamble Company Absorbent articles comprising surface cross-linked superabsorbent polymer particles made by a method using vacuum ultraviolet radiation
JP4928602B2 (ja) 2006-04-10 2012-05-09 ザ プロクター アンド ギャンブル カンパニー 改質された吸収性樹脂を備える吸収性部材
EP2121049B1 (de) 2007-02-22 2016-03-30 The Procter and Gamble Company Verfahren zur oberflächenbehandlung eines partikelförmigen materials mithilfe elektromagnetischer strahlung
DE102007024080A1 (de) * 2007-05-22 2008-11-27 Evonik Stockhausen Gmbh Verfahren zum schonenden Mischen und Beschichten von Superabsorbern
DE102009000177A1 (de) * 2009-01-13 2010-07-15 Evonik Degussa Gmbh Schnellbestrahlungstest für Granulate
CN104204039A (zh) 2012-03-30 2014-12-10 巴斯夫欧洲公司 在具有反式螺杆螺纹的筒式热交换器中进行热表面后交联的方法
US11649336B2 (en) * 2020-06-16 2023-05-16 The Procter & Gamble Company Recycling of superabsorbent polymer with an extensional flow device

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3661875A (en) 1970-01-27 1972-05-09 Du Pont 1-(1-alkenyl)bicyclo(1.1.0)butanes and their polymers
JPS51125468A (en) 1975-03-27 1976-11-01 Sanyo Chem Ind Ltd Method of preparing resins of high water absorbency
JPS5346389A (en) 1976-10-07 1978-04-25 Kao Corp Preparation of self-crosslinking polymer of acrylic alkali metal salt
US4062817A (en) 1977-04-04 1977-12-13 The B.F. Goodrich Company Water absorbent polymers comprising unsaturated carboxylic acid, acrylic ester containing alkyl group 10-30 carbon atoms, and another acrylic ester containing alkyl group 2-8 carbon atoms
JPS56134960A (en) * 1980-03-26 1981-10-22 Noriro Yajima Tea-making machine
JPS58180233A (ja) 1982-04-19 1983-10-21 Nippon Shokubai Kagaku Kogyo Co Ltd 吸収剤
US4734478A (en) 1984-07-02 1988-03-29 Nippon Shokubai Kagaku Kogyo Co., Ltd. Water absorbing agent
US5137537A (en) 1989-11-07 1992-08-11 The Procter & Gamble Cellulose Company Absorbent structure containing individualized, polycarboxylic acid crosslinked wood pulp cellulose fibers
US5387207A (en) 1991-08-12 1995-02-07 The Procter & Gamble Company Thin-unit-wet absorbent foam materials for aqueous body fluids and process for making same
US5260345A (en) 1991-08-12 1993-11-09 The Procter & Gamble Company Absorbent foam materials for aqueous body fluids and absorbent articles containing such materials
US5147345A (en) 1991-08-12 1992-09-15 The Procter & Gamble Company High efficiency absorbent articles for incontinence management
US5342338A (en) 1993-06-11 1994-08-30 The Procter & Gamble Company Disposable absorbent article for low-viscosity fecal material
US5397316A (en) 1993-06-25 1995-03-14 The Procter & Gamble Company Slitted absorbent members for aqueous body fluids formed of expandable absorbent materials
JPH07142627A (ja) 1993-11-18 1995-06-02 Fujitsu Ltd 半導体装置及びその製造方法
US5599335A (en) 1994-03-29 1997-02-04 The Procter & Gamble Company Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer
CA2187633A1 (en) * 1994-04-11 1995-10-19 Douglas R. Chambers Superabsorbent polymers and products therefrom
EP1504771A1 (de) * 2003-08-06 2005-02-09 The Procter & Gamble Company Superabsorbierende Polymere mit strahlungsaktivierbare Oberflächevernetzer und Verfahren zu deren Herstellung
ATE501741T1 (de) 2003-08-06 2011-04-15 Procter & Gamble Saugfähiger artikel mit einem beschichteten in wasser quellbaren material
US9125965B2 (en) * 2004-02-24 2015-09-08 The Procter & Gamble Company Superabsorbent polymers comprising direct covalent bonds between polymer chain segments and methods of making them

Also Published As

Publication number Publication date
EP1757646A1 (de) 2007-02-28
ATE452158T1 (de) 2010-01-15
MX2008002439A (es) 2008-04-03
CN101248112A (zh) 2008-08-20
EP1757650A1 (de) 2007-02-28
EP1757650B1 (de) 2009-12-16
JP2009504353A (ja) 2009-02-05

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