JP2013511608A - 色安定性が改善された吸水性ポリマー粒子の製造方法 - Google Patents

色安定性が改善された吸水性ポリマー粒子の製造方法 Download PDF

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Publication number
JP2013511608A
JP2013511608A JP2012540357A JP2012540357A JP2013511608A JP 2013511608 A JP2013511608 A JP 2013511608A JP 2012540357 A JP2012540357 A JP 2012540357A JP 2012540357 A JP2012540357 A JP 2012540357A JP 2013511608 A JP2013511608 A JP 2013511608A
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Prior art keywords
polymer particles
aliphatic
water
absorbing polymer
aldehyde
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JP2012540357A
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Japanese (ja)
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JP2013511608A5 (OSRAM
Inventor
ヘアファート ノルベルト
ダニエル トーマス
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BASF SE
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BASF SE
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Application filed by BASF SE filed Critical BASF SE
Publication of JP2013511608A publication Critical patent/JP2013511608A/ja
Publication of JP2013511608A5 publication Critical patent/JP2013511608A5/ja
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers 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
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04Acids; Metal salts or ammonium salts thereof
    • C08F220/06Acrylic acid; Methacrylic acid; Metal salts 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
    • A61L15/56Wetness-indicators or colourants
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/04Polymerisation in solution
    • C08F2/10Aqueous solvent
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/38Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
    • 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
    • C08J3/12Powdering or granulating
    • 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
    • C08J3/12Powdering or granulating
    • C08J3/126Polymer particles coated by polymer, e.g. core shell structures
    • 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
    • C08J2300/10Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups
    • C08J2300/102Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups containing halogen atoms

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
JP2012540357A 2009-11-23 2010-11-12 色安定性が改善された吸水性ポリマー粒子の製造方法 Pending JP2013511608A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US26341909P 2009-11-23 2009-11-23
US61/263,419 2009-11-23
PCT/EP2010/067382 WO2011061125A2 (de) 2009-11-23 2010-11-12 Verfahren zur herstellung wasserabsorbierender polymerpartikel mit verbesserter farbstabilität

Publications (2)

Publication Number Publication Date
JP2013511608A true JP2013511608A (ja) 2013-04-04
JP2013511608A5 JP2013511608A5 (OSRAM) 2013-12-26

Family

ID=43982460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012540357A Pending JP2013511608A (ja) 2009-11-23 2010-11-12 色安定性が改善された吸水性ポリマー粒子の製造方法

Country Status (5)

Country Link
US (1) US8497337B2 (OSRAM)
EP (1) EP2504368B1 (OSRAM)
JP (1) JP2013511608A (OSRAM)
CN (1) CN102770469B (OSRAM)
WO (1) WO2011061125A2 (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013522406A (ja) * 2010-03-15 2013-06-13 ビーエーエスエフ ソシエタス・ヨーロピア 改善された色安定性を有する吸水性ポリマー粒子の製造方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2010009850A (es) 2008-03-18 2010-09-30 Novo Nordisk As Analogos de insulina acilados y etabilizados contra proteasas.
EP2890411B1 (en) * 2012-08-29 2021-10-06 Basf Se Process for producing water-absorbing polymer particles
WO2014111292A1 (en) 2013-01-18 2014-07-24 Basf Se Acrylic dispersion-based coating compositions
EP3497141B1 (de) * 2016-08-10 2020-11-25 Basf Se Verfahren zur herstellung von superabsorbern
CN111278551B (zh) * 2017-11-10 2023-09-29 巴斯夫欧洲公司 超吸收剂

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005525439A (ja) * 2002-03-08 2005-08-25 ビーエーエスエフ アクチェンゲゼルシャフト 改善されたにおい制御を有するポリマー混合物
JP2006521431A (ja) * 2003-03-26 2006-09-21 ビーエーエスエフ アクチェンゲゼルシャフト 色安定性高吸水性ポリマー組成物
JP2008521951A (ja) * 2004-11-30 2008-06-26 ビーエーエスエフ ソシエタス・ヨーロピア 吸水性ポリマー粒子を後架橋する方法
WO2008090961A1 (ja) * 2007-01-24 2008-07-31 Nippon Shokubai Co., Ltd. 粒子状吸水性ポリマーおよびその製造方法
WO2009060062A1 (de) * 2007-11-08 2009-05-14 Evonik Stockhausen Gmbh Wasserabsorbierende polymergebilde mit verbesserter farbstabilität
JP2009529599A (ja) * 2006-03-10 2009-08-20 ビーエーエスエフ ソシエタス・ヨーロピア 改善されたにおい抑制効果を有する高吸収体
JP2010516882A (ja) * 2007-01-29 2010-05-20 ビーエーエスエフ ソシエタス・ヨーロピア 高吸収性能及び高い生理食塩水流れ誘導性を持つ白色かつ色安定性ある吸水性ポリマー粒子の製造方法
JP2010518213A (ja) * 2007-02-09 2010-05-27 エフォニック ストックハウゼン ゲーエムベーハー 高いアンモニア結合性を有する吸水性ポリマー構造体

Family Cites Families (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2567575A (en) 1945-05-19 1951-09-11 Honeywell Regulator Co Resistance measuring apparatus
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
US4734478A (en) 1984-07-02 1988-03-29 Nippon Shokubai Kagaku Kogyo Co., Ltd. Water absorbing agent
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
CA2038779A1 (en) 1990-04-02 1991-10-03 Takumi Hatsuda Method for production of fluid stable aggregate
DE4020780C1 (OSRAM) 1990-06-29 1991-08-29 Chemische Fabrik Stockhausen Gmbh, 4150 Krefeld, De
DE69217433T2 (de) 1991-09-03 1997-06-26 Hoechst Celanese Corp Superabsorbierendes Polymer mit verbesserten Absorbiereigenschaften
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
EP0559476B1 (en) 1992-03-05 1997-07-16 Nippon Shokubai Co., Ltd. Method for the production of absorbent resin
GB9208449D0 (en) 1992-04-16 1992-06-03 Dow Deutschland Inc Crosslinked hydrophilic resins and method of preparation
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
US5610208A (en) * 1994-02-17 1997-03-11 Nippon Shokubai Co., Ltd. Water-absorbent agent, method for production thereof, and water-absorbent composition
DE19543368C2 (de) 1995-11-21 1998-11-26 Stockhausen Chem Fab Gmbh Wasserabsorbierende Polymere mit verbesserten Eigenschaften, Verfahren zu deren Herstellung und deren Verwendung
DE19646484C2 (de) 1995-11-21 2000-10-19 Stockhausen Chem Fab Gmbh Flüssigkeitsabsorbierende Polymere, 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
ATE277111T1 (de) 1999-03-12 2004-10-15 Basf Ag Farbstabile superabsorbierende polymerzusammensetzung
JP2000327926A (ja) * 1999-05-25 2000-11-28 Sanyo Chem Ind Ltd 吸収剤組成物および吸収性物品
US6239230B1 (en) 1999-09-07 2001-05-29 Bask Aktiengesellschaft Surface-treated superabsorbent polymer particles
DE19955861A1 (de) 1999-11-20 2001-05-23 Basf Ag Verfahren zur kontinuierlichen Herstellung von vernetzten feinteiligen gelförmigen Polymerisaten
US6979564B2 (en) 2000-10-20 2005-12-27 Millennium Pharmaceuticals, Inc. 80090, human fucosyltransferase nucleic acid molecules and uses thereof
US6809158B2 (en) 2000-10-20 2004-10-26 Nippon Shokubai Co., Ltd. Water-absorbing agent and process for producing the same
BR0206396A (pt) 2001-01-12 2004-02-10 Degussa Processo contìnuo para preparação e purificação de ácido (met)acrìlico
DE10138150A1 (de) * 2001-08-03 2003-02-13 Basf Ag Verfahren zur Herstellung wasserabsorbierender Harze
EP1436335B1 (de) 2001-10-05 2005-01-26 Basf Aktiengesellschaft Verfahren zur vernetzung von hydrogelen mit morpholin-2,3-dionen
AU2002349359A1 (en) * 2001-12-20 2003-07-09 Basf Aktiengesellschaft Absorbent article
JP3939988B2 (ja) * 2002-01-16 2007-07-04 住友精化株式会社 吸水性樹脂の製造方法
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
WO2003104300A1 (de) 2002-06-01 2003-12-18 Basf Aktiengesellschaft (meth)acrylester von polyalkoxyliertem trimethylolpropan
CN100349958C (zh) 2002-06-11 2007-11-21 巴斯福股份公司 聚烷氧基化甘油的(甲基)丙烯酸酯
DE10247240A1 (de) 2002-10-10 2004-04-22 Basf Ag Verfahren zur Herstellung von Acrylsäure
WO2004058682A1 (ja) 2002-12-26 2004-07-15 Eisai Co., Ltd. 選択的エストロゲン受容体モジュレーター
DE10331456A1 (de) 2003-07-10 2005-02-24 Basf Ag (Meth)acrylsäureester alkoxilierter ungesättigter Polyolether und deren Herstellung
DE10331450A1 (de) 2003-07-10 2005-01-27 Basf Ag (Meth)acrylsäureester monoalkoxilierter Polyole 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
JP5222721B2 (ja) * 2005-04-22 2013-06-26 エフォニック ストックハウゼン ゲーエムベーハー 高吸収性を有する吸水性ポリマー構造体
TW200712114A (en) * 2005-09-30 2007-04-01 Nippon Catalytic Chem Ind Method for manufacturing particulate water-absorbing agent and particulate water-absorbing agent
ATE491729T1 (de) 2006-10-05 2011-01-15 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel durch polymerisation von tropfen einer monomerlösung
US8183331B2 (en) 2006-10-31 2012-05-22 Basf Se Regulation of a process for producing water-absorbing polymer particles in a heated gas phase
WO2008092843A1 (de) 2007-01-29 2008-08-07 Basf Se VERFAHREN ZUR HERSTELLUNG WEIßER UND FARBSTABILER WASSERABSORBIERENDER POLYMERPARTIKEL MIT HOHEM ABSORPTIONSVERMÖGEN UND HOHER FLÜSSIGKEITSLEITFÄHIGKEIT
CN102112531B (zh) 2008-07-31 2013-05-01 巴斯夫欧洲公司 颜色稳定的超吸收剂
EP2313119B1 (de) 2008-08-12 2012-12-26 Basf Se Verfahren zur herstellung von superabsorbern mit niedrigem restmonomerengehalt
WO2011032876A1 (de) 2009-09-16 2011-03-24 Basf Se Farbstabiler superabsorber

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005525439A (ja) * 2002-03-08 2005-08-25 ビーエーエスエフ アクチェンゲゼルシャフト 改善されたにおい制御を有するポリマー混合物
JP2006521431A (ja) * 2003-03-26 2006-09-21 ビーエーエスエフ アクチェンゲゼルシャフト 色安定性高吸水性ポリマー組成物
JP2008521951A (ja) * 2004-11-30 2008-06-26 ビーエーエスエフ ソシエタス・ヨーロピア 吸水性ポリマー粒子を後架橋する方法
JP2009529599A (ja) * 2006-03-10 2009-08-20 ビーエーエスエフ ソシエタス・ヨーロピア 改善されたにおい抑制効果を有する高吸収体
WO2008090961A1 (ja) * 2007-01-24 2008-07-31 Nippon Shokubai Co., Ltd. 粒子状吸水性ポリマーおよびその製造方法
JP2010516882A (ja) * 2007-01-29 2010-05-20 ビーエーエスエフ ソシエタス・ヨーロピア 高吸収性能及び高い生理食塩水流れ誘導性を持つ白色かつ色安定性ある吸水性ポリマー粒子の製造方法
JP2010518213A (ja) * 2007-02-09 2010-05-27 エフォニック ストックハウゼン ゲーエムベーハー 高いアンモニア結合性を有する吸水性ポリマー構造体
WO2009060062A1 (de) * 2007-11-08 2009-05-14 Evonik Stockhausen Gmbh Wasserabsorbierende polymergebilde mit verbesserter farbstabilität

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013522406A (ja) * 2010-03-15 2013-06-13 ビーエーエスエフ ソシエタス・ヨーロピア 改善された色安定性を有する吸水性ポリマー粒子の製造方法

Also Published As

Publication number Publication date
US8497337B2 (en) 2013-07-30
WO2011061125A2 (de) 2011-05-26
CN102770469A (zh) 2012-11-07
EP2504368A2 (de) 2012-10-03
US20110121230A1 (en) 2011-05-26
EP2504368B1 (de) 2014-01-08
CN102770469B (zh) 2015-04-15
WO2011061125A3 (de) 2011-07-21

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