CN103347548B - 具有高溶胀速度的吸水性聚合物颗粒的制备方法 - Google Patents

具有高溶胀速度的吸水性聚合物颗粒的制备方法 Download PDF

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Publication number
CN103347548B
CN103347548B CN201280007719.7A CN201280007719A CN103347548B CN 103347548 B CN103347548 B CN 103347548B CN 201280007719 A CN201280007719 A CN 201280007719A CN 103347548 B CN103347548 B CN 103347548B
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water
polymeric particles
weight
absorbing polymeric
polymer particles
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CN103347548A (zh
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T·丹尼尔
V·布莱格
A·卡利姆
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BASF SE
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BASF SE
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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
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions 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
    • C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • 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

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CN201280007719.7A 2011-02-07 2012-02-07 具有高溶胀速度的吸水性聚合物颗粒的制备方法 Active CN103347548B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP11153534.0 2011-02-07
EP11153534 2011-02-07
PCT/EP2012/052022 WO2012107432A1 (de) 2011-02-07 2012-02-07 Verfahren zur herstellung wasserabsorbierender polymerpartikel mit hoher anquellgeschwindigkeit

Publications (2)

Publication Number Publication Date
CN103347548A CN103347548A (zh) 2013-10-09
CN103347548B true CN103347548B (zh) 2017-09-19

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Country Link
EP (1) EP2673011B2 (enExample)
JP (1) JP6138056B2 (enExample)
CN (1) CN103347548B (enExample)
WO (1) WO2012107432A1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014005860A1 (de) 2012-07-03 2014-01-09 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel mit verbessertem eigenschaftsprofil
CN107376866B (zh) * 2012-09-11 2021-06-01 株式会社日本触媒 聚丙烯酸(盐)系吸水剂的制造方法及其吸水剂
EP2951212B1 (de) * 2013-01-29 2017-03-15 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel mit hoher quellgeschwindigkeit und hoher zentrifugenretentionskapazität bei gleichzeitig hoher permeabilität des gequollenen gelbetts
US9375507B2 (en) 2013-04-10 2016-06-28 Evonik Corporation Particulate superabsorbent polymer composition having improved stability
US9302248B2 (en) 2013-04-10 2016-04-05 Evonik Corporation Particulate superabsorbent polymer composition having improved stability
WO2015169912A1 (de) * 2014-05-08 2015-11-12 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel
JP5689204B1 (ja) 2014-07-11 2015-03-25 住友精化株式会社 吸水性樹脂の製造方法、吸水性樹脂、吸水剤、吸収性物品
KR101958014B1 (ko) * 2016-03-14 2019-03-13 주식회사 엘지화학 고흡수성 수지의 제조 방법
KR20180067940A (ko) 2016-12-13 2018-06-21 주식회사 엘지화학 고흡수성 수지 및 이의 제조 방법
KR102487977B1 (ko) 2017-07-28 2023-01-11 주식회사 엘지화학 고흡수성 수지 및 그 제조 방법
KR102555380B1 (ko) * 2018-01-19 2023-07-12 주식회사 엘지화학 고흡수성 수지 및 이의 제조 방법
WO2019189326A1 (ja) * 2018-03-27 2019-10-03 住友精化株式会社 土嚢及びその製造方法
JPWO2021049465A1 (enExample) * 2019-09-09 2021-03-18
KR20230038524A (ko) * 2020-07-17 2023-03-20 스미토모 세이카 가부시키가이샤 흡수체
KR20260023293A (ko) * 2024-08-09 2026-02-20 주식회사 엘지화학 고흡수성 수지

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1561234A (zh) * 2001-10-01 2005-01-05 巴斯福股份公司 含有酸性点的超吸收性水凝胶
CN1955201A (zh) * 2005-10-24 2007-05-02 大连广汇化学有限公司 生理卫生用高吸水性树脂的制备方法
CN101489596A (zh) * 2006-07-19 2009-07-22 巴斯夫欧洲公司 通过聚合单体溶液液滴生产具有较高吸收的后固化的吸水性聚合物颗粒的方法
CN101631819A (zh) * 2007-03-12 2010-01-20 巴斯夫欧洲公司 再润湿的表面交联的超吸收剂的制备方法

Family Cites Families (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0762073B2 (ja) * 1990-04-27 1995-07-05 株式会社日本触媒 高吸水性樹脂粉末の連続造粒方法およびその装置
JPS6018690B2 (ja) 1981-12-30 1985-05-11 住友精化株式会社 吸水性樹脂の吸水性改良方法
JPS58180233A (ja) 1982-04-19 1983-10-21 Nippon Shokubai Kagaku Kogyo Co Ltd 吸収剤
US4443492A (en) 1983-04-18 1984-04-17 Personal Products Company Rate of absorbency of substrates containing in-situ polymerized monomers
US4734478A (en) 1984-07-02 1988-03-29 Nippon Shokubai Kagaku Kogyo Co., Ltd. Water absorbing agent
JP2509087B2 (ja) 1984-08-11 1996-06-19 三洋化成工業株式会社 吸水性樹脂，その製法および吸水，保水剤
DE3713601A1 (de) 1987-04-23 1988-11-10 Stockhausen Chem Fab Gmbh Verfahren zur herstellung eines stark wasserabsorbierenden polymerisats
US5004761A (en) 1987-07-28 1991-04-02 Dai-Ichi Kogyo Seiyaku Co., Ltd. Process for continuously preparing acrylic polymer gel
WO1990015830A1 (en) 1989-06-12 1990-12-27 Weyerhaeuser Company Hydrocolloid polymer
AU637470B2 (en) 1990-04-02 1993-05-27 Nippon Shokubai Kagaku Kogyo Co. Ltd. Method for production of fluid stable aggregate
EP0480031B1 (en) 1990-04-27 1995-09-20 Nippon Shokubai Co., Ltd. Method and apparatus for continuous granulation of high water absorbing resin powder
DE4020780C1 (enExample) 1990-06-29 1991-08-29 Chemische Fabrik Stockhausen Gmbh, 4150 Krefeld, De
DK0530438T3 (da) 1991-09-03 1997-08-18 Hoechst Celanese Corp Superabsorberende polymer med forbedrede absorptionsegenskaber
DE4138408A1 (de) 1991-11-22 1993-05-27 Cassella Ag Hydrophile, hochquellfaehige hydrogele
JP3045422B2 (ja) 1991-12-18 2000-05-29 株式会社日本触媒 吸水性樹脂の製造方法
DE69312126T2 (de) 1992-03-05 1997-11-06 Nippon Catalytic Chem Ind Verfahren zu Herstellung eines absorbierenden Harzes
GB9208449D0 (en) 1992-04-16 1992-06-03 Dow Deutschland Inc Crosslinked hydrophilic resins and method of preparation
JP3251647B2 (ja) 1992-08-05 2002-01-28 株式会社日本触媒 吸水性樹脂およびその製造方法
DE69412547T2 (de) 1993-06-18 1999-04-22 Nippon Shokubai Co. Ltd., Osaka Verfahren zur Herstellung eines absorbierenden Harzes
EP0640330B1 (en) 1993-06-30 2000-05-24 The Procter & Gamble Company Hygienic absorbent articles
DE4333056C2 (de) † 1993-09-29 1998-07-02 Stockhausen Chem Fab Gmbh Pulverförmige, wäßrige Flüssigkeiten absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung als Absorptionsmittel
JPH07224204A (ja) 1994-02-10 1995-08-22 Toagosei Co Ltd 吸水性樹脂の製造方法
JPH07242709A (ja) 1994-03-03 1995-09-19 Toagosei Co Ltd 吸水性樹脂の製造方法
US5672622A (en) 1994-04-21 1997-09-30 Berlex Laboratories, Inc. Treatment of multiple sclerosis
US5981070A (en) 1995-07-07 1999-11-09 Nippon Shokubai Co., Ltd Water-absorbent agent powders and manufacturing method of the same
DE19646484C2 (de) 1995-11-21 2000-10-19 Stockhausen Chem Fab Gmbh Flüssigkeitsabsorbierende Polymere, Verfahren zu deren Herstellung und deren Verwendung
DE19543368C2 (de) 1995-11-21 1998-11-26 Stockhausen Chem Fab Gmbh Wasserabsorbierende Polymere mit verbesserten Eigenschaften, Verfahren zu deren Herstellung und deren Verwendung
DE19807502B4 (de) 1998-02-21 2004-04-08 Basf Ag Verfahren zur Nachvernetzung von Hydrogelen mit 2-Oxazolidinonen, daraus hergestellte Hydrogele und deren Verwendung
US6265488B1 (en) 1998-02-24 2001-07-24 Nippon Shokubai Co., Ltd. Production process for water-absorbing agent
US6503979B1 (en) 1998-02-26 2003-01-07 Basf Aktiengesellschaft Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones
TW460528B (en) 1998-04-28 2001-10-21 Nippon Catalytic Chem Ind Method for production of shaped hydrogel of absorbent resin
DE19854574A1 (de) 1998-11-26 2000-05-31 Basf Ag Verfahren zur Nachvernetzung von Hydrogelen mit N-Acyl-2-Oxazolidinonen
DE19854573A1 (de) 1998-11-26 2000-05-31 Basf Ag Verfahren zur Nachvernetzung von Hydrogelen mit 2-Oxo-tetrahydro-1,3-oxazinen
US6239230B1 (en) 1999-09-07 2001-05-29 Bask Aktiengesellschaft Surface-treated superabsorbent polymer particles
US6414214B1 (en) * 1999-10-04 2002-07-02 Basf Aktiengesellschaft Mechanically stable hydrogel-forming polymers
DE19955861A1 (de) 1999-11-20 2001-05-23 Basf Ag Verfahren zur kontinuierlichen Herstellung von vernetzten feinteiligen gelförmigen Polymerisaten
AU2002230831A1 (en) 2000-10-20 2002-04-29 Millennium Pharmaceuticals, Inc. Compositions of human proteins and method of use thereof
US6809158B2 (en) 2000-10-20 2004-10-26 Nippon Shokubai Co., Ltd. Water-absorbing agent and process for producing the same
EP1347790A1 (de) 2000-12-29 2003-10-01 Basf Aktiengesellschaft Aborbierende zusammensetzungen
CN1482924A (zh) * 2000-12-29 2004-03-17 巴斯福股份公司 用位阻或静电间隔剂涂布的水凝胶
BR0206396A (pt) 2001-01-12 2004-02-10 Degussa Processo contìnuo para preparação e purificação de ácido (met)acrìlico
WO2002059214A1 (en) 2001-01-26 2002-08-01 Nippon Shokubai Co., Ltd. Water absorbing agent and method for production thereof, and water absorbing article
US7183360B2 (en) 2001-10-05 2007-02-27 Basf Aktiengesellschaft Method for crosslinking hydrogels with morpholine-2,3-diones
AU2002352017A1 (en) * 2001-11-21 2003-06-10 Basf Aktiengesellschaft Superabsorbent polymer particles
DE10204938A1 (de) 2002-02-07 2003-08-21 Stockhausen Chem Fab Gmbh Verfahren zur Nachvernetzung im Bereich der Oberfläche von wasserabsorbierenden Polymeren mit beta-Hydroxyalkylamiden
DE10204937A1 (de) 2002-02-07 2003-08-21 Stockhausen Chem Fab Gmbh Verfahren zur Nachvernetzung im Bereich der Oberfläche von wasserabsorbierenden Polymeren mit Harnstoffderivaten
DE10211686A1 (de) 2002-03-15 2003-10-02 Stockhausen Chem Fab Gmbh (Meth)Acrylsäurekristall und Verfahren zur Herstellung und Aufreinigung von wässriger (Meth)Acrylsäure
DE10225943A1 (de) 2002-06-11 2004-01-08 Basf Ag Verfahren zur Herstellung von Estern von Polyalkoholen
ATE325150T1 (de) 2002-06-11 2006-06-15 Basf Ag (meth)acrylester von polyalkoxyliertem glycerin
RU2320677C2 (ru) 2002-06-11 2008-03-27 Басф Акциенгезелльшафт Сложный (мет)акриловый эфир полиалкоксилированного триметилолпропана (варианты) и его применение для получения абсорбирующих водосодержащие жидкости полимеров
DE10247240A1 (de) 2002-10-10 2004-04-22 Basf Ag Verfahren zur Herstellung von Acrylsäure
AU2003296558A1 (en) 2002-10-25 2004-05-13 Stockhausen Gmbh Absorbent polymer structure provided with an improved retention capacity and permeability
EP1832621B1 (en) 2003-03-14 2017-03-08 Nippon Shokubai Co.,Ltd. Method of surface crosslinking a water-absorbing resin powder
JP4364020B2 (ja) * 2003-03-14 2009-11-11 株式会社日本触媒 吸水性樹脂粉末の表面架橋処理方法
DE10331450A1 (de) 2003-07-10 2005-01-27 Basf Ag (Meth)acrylsäureester monoalkoxilierter Polyole und deren Herstellung
DE10331456A1 (de) 2003-07-10 2005-02-24 Basf Ag (Meth)acrylsäureester alkoxilierter ungesättigter Polyolether und deren Herstellung
DE10334584A1 (de) 2003-07-28 2005-02-24 Basf Ag Verfahren zur Nachvernetzung von Hydrogelen mit bicyclischen Amidacetalen
DE10355401A1 (de) 2003-11-25 2005-06-30 Basf Ag (Meth)acrylsäureester ungesättigter Aminoalkohole und deren Herstellung
US7163966B2 (en) * 2003-12-19 2007-01-16 Stockhausen, Inc. Superabsorbent polymer having increased rate of water absorption
JP4776969B2 (ja) * 2004-05-07 2011-09-21 株式会社日本触媒 吸水剤およびその製造方法
EP1765913B1 (en) 2004-05-07 2008-08-27 Nippon Shokubai Co.,Ltd. Water absorbing agent and production method thereof
JP4965865B2 (ja) * 2005-02-15 2012-07-04 株式会社日本触媒 吸水剤、吸収性物品及び吸水剤の製造方法
WO2006088115A1 (en) 2005-02-15 2006-08-24 Nippon Shokubai Co., Ltd. Water absorbing agent, water absorbing article and method for production of water absorbing agent
TW200635969A (en) 2005-04-06 2006-10-16 Nippon Catalytic Chem Ind Particulate water absorbing agent, water-absorbent core and absorbing article
ATE491729T1 (de) 2006-10-05 2011-01-15 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel durch polymerisation von tropfen einer monomerlösung
BRPI0717756B1 (pt) 2006-10-31 2018-01-30 Basf Se Processo para a produção de partículas poliméricas absorventes de água
US8148485B2 (en) 2008-03-13 2012-04-03 Nippon Shokubai Co., Ltd. Production method for water-absorbing resin
EP2291416A1 (de) * 2008-06-19 2011-03-09 Basf Se Verfahren zur kontinuierlichen herstellung wasserabsorbierender polymerpartikel
US8222477B2 (en) * 2008-10-20 2012-07-17 Evonik Stockhausen, Llc Superabsorbent polymer containing clay, particulate, and method of making same
CN102348435A (zh) * 2009-01-09 2012-02-08 巴斯夫欧洲公司 具有气味抑制作用的吸水性聚合物颗粒的制备方法
WO2011040530A1 (ja) * 2009-09-30 2011-04-07 株式会社日本触媒 粒子状吸水剤及びその製造方法
WO2011131526A1 (de) * 2010-04-19 2011-10-27 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1561234A (zh) * 2001-10-01 2005-01-05 巴斯福股份公司 含有酸性点的超吸收性水凝胶
CN1955201A (zh) * 2005-10-24 2007-05-02 大连广汇化学有限公司 生理卫生用高吸水性树脂的制备方法
CN101489596A (zh) * 2006-07-19 2009-07-22 巴斯夫欧洲公司 通过聚合单体溶液液滴生产具有较高吸收的后固化的吸水性聚合物颗粒的方法
CN101631819A (zh) * 2007-03-12 2010-01-20 巴斯夫欧洲公司 再润湿的表面交联的超吸收剂的制备方法

Also Published As

Publication number Publication date
JP6138056B2 (ja) 2017-05-31
EP2673011B1 (de) 2015-04-08
JP2014505151A (ja) 2014-02-27
EP2673011A1 (de) 2013-12-18
CN103347548A (zh) 2013-10-09
EP2673011B2 (de) 2019-01-16
WO2012107432A1 (de) 2012-08-16

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