DE69030971T2 - Verfahren zur herstellung eines wasserabsorbierenden harzes - Google Patents

Verfahren zur herstellung eines wasserabsorbierenden harzes

Info

Publication number
DE69030971T2
DE69030971T2 DE69030971T DE69030971T DE69030971T2 DE 69030971 T2 DE69030971 T2 DE 69030971T2 DE 69030971 T DE69030971 T DE 69030971T DE 69030971 T DE69030971 T DE 69030971T DE 69030971 T2 DE69030971 T2 DE 69030971T2
Authority
DE
Germany
Prior art keywords
producing
water
absorbing resin
absorbing
resin
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.)
Expired - Lifetime
Application number
DE69030971T
Other languages
English (en)
Other versions
DE69030971D1 (de
Inventor
Kinya Hamada Shataku Nagasuna
Katsuhiro Nisshoku Ha Kajikawa
Takumi Hamada Shataku Hatsuda
Yoshio - Irie
Teruaki - Fujiwara
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.)
Nippon Shokubai Co Ltd
Original Assignee
Nippon Shokubai Co Ltd
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 Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd
Publication of DE69030971D1 publication Critical patent/DE69030971D1/de
Application granted granted Critical
Publication of DE69030971T2 publication Critical patent/DE69030971T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
DE69030971T 1989-09-04 1990-08-31 Verfahren zur herstellung eines wasserabsorbierenden harzes Expired - Lifetime DE69030971T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22754789 1989-09-04
PCT/JP1990/001116 WO1991003497A1 (en) 1989-09-04 1990-08-31 Method of preparing water-absorbent resin

Publications (2)

Publication Number Publication Date
DE69030971D1 DE69030971D1 (de) 1997-07-31
DE69030971T2 true DE69030971T2 (de) 1997-12-11

Family

ID=16862610

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69030971T Expired - Lifetime DE69030971T2 (de) 1989-09-04 1990-08-31 Verfahren zur herstellung eines wasserabsorbierenden harzes

Country Status (4)

Country Link
US (1) US5229488A (de)
EP (1) EP0441975B1 (de)
DE (1) DE69030971T2 (de)
WO (1) WO1991003497A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10249821A1 (de) * 2002-10-25 2004-05-13 Stockhausen Gmbh & Co. Kg Absorbierende Polymergebilde mit verbesserter Rententionskapazität und Permeabilität
US7833624B2 (en) 2002-10-25 2010-11-16 Evonik Stockhuasen GmbH Absorbent polymer structure with improved retention capacity and permeability

Families Citing this family (41)

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JP2902201B2 (ja) * 1991-03-18 1999-06-07 ストックハウゼン ルイジアナ リミティド 超吸収性ポリマーの残留アクリル酸含量を低下させる方法
GB9108942D0 (en) * 1991-04-26 1991-06-12 Courtaulds Plc Fibre
GB9210955D0 (en) * 1992-05-22 1992-07-08 Courtaulds Plc Fibres and filaments
EP0878488B2 (de) † 1992-06-10 2010-10-27 Nippon Shokubai Co., Ltd. Verfahren zur Herstellung eines hydrophilen Harzes
EP0605215B1 (de) * 1992-12-25 1998-03-25 Nippon Shokubai Co., Ltd. Absorber und Methode zur Herstellung eines absorbierenden Harzes
US5610208A (en) 1994-02-17 1997-03-11 Nippon Shokubai Co., Ltd. Water-absorbent agent, method for production thereof, and water-absorbent composition
WO1996030442A1 (en) * 1995-03-24 1996-10-03 Camelot Superabsorbents Limited Water-absorbing compositions
JP3462217B2 (ja) * 1995-07-07 2003-11-05 株式会社 日本触媒 吸水剤粉末およびその製造方法
JP4271736B2 (ja) * 1997-04-29 2009-06-03 シュトックハウゼン ゲゼルシャフト ミット ベシュレンクテル ハフツング すぐれた加工性を有する高吸収性ポリマー
DE19752127A1 (de) * 1997-11-25 1999-07-29 Stockhausen Chem Fab Gmbh Verfahren zur Herstellung von synthetischen Polymerisaten mit sehr niedrigem Restmonomergehalt, danach hergestellte Produkte und deren Verwendung
CN1117630C (zh) 1997-12-25 2003-08-13 工业技术院 用于环境净化的光催化粉末、含有所述粉末的聚合物组合物及其定型制品和生产方法
US6444744B1 (en) 1998-03-11 2002-09-03 Nippon Shokubai Co., Ltd. Hydrophilic resin, absorbent article, and acrylic acid for polymerization
WO2000055245A1 (en) * 1999-03-12 2000-09-21 Basf Aktiengesellschaft Color-stable superabsorbent polymer composition
EP1457519A1 (de) * 1999-03-12 2004-09-15 Basf Aktiengesellschaft Farbstabile superabsorbierense polymerzusammensetzung
EP1072630B1 (de) * 1999-07-26 2004-12-01 Nippon Shokubai Co., Ltd. Wasser-absorbierende Zusammensetzung und ihre Verwendung
DE10041395A1 (de) * 2000-08-23 2002-03-07 Stockhausen Chem Fab Gmbh Polymerdispersionen zur Feuerverhütung und -bekämpfung mit verbesserter Umweltverträglichkeit
US7595428B2 (en) * 2000-11-22 2009-09-29 Nippon Shokubai Co., Ltd. Water-absorbing agent composition and method for production thereof, absorptive article and absorbing material
ATE552295T1 (de) † 2001-01-19 2012-04-15 Basf Se Wasserabsorbierendes mittel, verfahren zu seiner herstellung und seine verwendung
DE10118020A1 (de) 2001-04-10 2002-10-17 Stockhausen Chem Fab Gmbh Löschwasser-Additive
US7312268B2 (en) * 2001-06-29 2007-12-25 Stockhausen Gmbh Water-absorbent carboxyl-containing polymers with low monomer content
WO2004069913A1 (de) * 2003-02-07 2004-08-19 Schrader Helmut G Additiv zur einbringung von homogen verteiltem wasser in polymere werkstoffe und verfahren zur anwendung des additivs
JP4640923B2 (ja) * 2003-09-05 2011-03-02 株式会社日本触媒 粒子状吸水性樹脂組成物の製造方法
BRPI0507428B8 (pt) * 2004-02-05 2021-07-27 Nippon Catalytic Chem Ind agente particulado para absorção de água, método de produção do mesmo e artigo absorvente
EP1848758B2 (de) * 2005-02-15 2021-02-17 Nippon Shokubai Co., Ltd. Wasserabsorbierender wirkstoff, wasserabsorbierender artikel und herstellungsverfahren für den wasserabsorbierenden wirkstoff
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
TWI344469B (en) 2005-04-07 2011-07-01 Nippon Catalytic Chem Ind Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin
TWI383008B (zh) 2005-08-17 2013-01-21 Nippon Catalytic Chem Ind 吸水性樹脂之製造方法及吸水性樹脂以及其利用
TW200712114A (en) * 2005-09-30 2007-04-01 Nippon Catalytic Chem Ind Method for manufacturing particulate water-absorbing agent and particulate water-absorbing agent
TWI394789B (zh) 2005-12-22 2013-05-01 Nippon Catalytic Chem Ind 吸水性樹脂組成物及其製造方法、吸收性物品
EP1837348B9 (de) 2006-03-24 2020-01-08 Nippon Shokubai Co.,Ltd. Wasserabsorbierendes Harz und Verfahren zu seiner Herstellung
CN102099062B (zh) * 2008-07-15 2018-04-24 巴斯夫欧洲公司 吸水性聚合物颗粒的生产方法
BR112012005901A2 (pt) 2009-09-16 2019-09-24 Basf Se superabsorvente, processo para produzir um superabsorvente, artigo para absorver fluidos, e, processo para produzir artigos para absorver fluidos
WO2011032922A1 (de) 2009-09-17 2011-03-24 Basf Se Farbstabiler superabsorber
JP5801203B2 (ja) 2009-09-29 2015-10-28 株式会社日本触媒 粒子状吸水剤及びその製造方法
US9962680B2 (en) 2010-12-17 2018-05-08 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt)-based water absorbent resin, and method for production thereof
MY171776A (en) 2012-11-21 2019-10-29 Basf Se A process for producing surface-postcrosslinked water-absorbent polymer particles
JP6395727B2 (ja) * 2013-01-30 2018-09-26 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 吸水性ポリマー粒子から残留モノマーを除去する方法
DK3527652T3 (da) 2013-12-30 2022-09-05 Green Products & Tech L L C Syntetisk base og tilhørende fremgangsmåder
KR101949455B1 (ko) * 2015-01-07 2019-02-18 주식회사 엘지화학 내고화성이 향상된 고흡수성 수지 및 그 제조 방법
JP6979770B2 (ja) * 2017-02-16 2021-12-15 Ｓｄｐグローバル株式会社 吸水性樹脂粒子及びその製造方法
CN113301989A (zh) 2019-01-11 2021-08-24 株式会社日本触媒 吸水剂和吸水剂的制造方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453185A1 (fr) * 1979-04-05 1980-10-31 Rhone Poulenc Ind Procede de preparation de polymeres ou copolymeres acryliques hydrosolubles a poids moleculaire eleve et a faible teneur en monomere(s) residuels(s)
US4286082A (en) * 1979-04-06 1981-08-25 Nippon Shokubai Kagaku Kogyo & Co., Ltd. Absorbent resin composition and process for producing same
JPS5672005A (en) * 1979-11-19 1981-06-16 Sumitomo Chem Co Ltd Production of polymeric material having high water absorptivity
JPS56103207A (en) * 1980-01-22 1981-08-18 Sumitomo Chem Co Ltd Preparation of dried high-molecular weight water-soluble polymer
JPS6025045B2 (ja) * 1980-03-19 1985-06-15 製鉄化学工業株式会社 塩水吸収能のすぐれたアクリル酸重合体の製造方法
JPS58180233A (ja) * 1982-04-19 1983-10-21 Nippon Shokubai Kagaku Kogyo Co Ltd 吸収剤
JPS6187702A (ja) * 1984-10-05 1986-05-06 Seitetsu Kagaku Co Ltd 吸水性樹脂の製造方法
US4820773A (en) * 1986-04-21 1989-04-11 American Colloid Company Water absorbent resins prepared by polymerization in the presence of styrene-maleic anhydride copolymers
US4863989A (en) * 1986-06-04 1989-09-05 Seitetsu Kagaku Co., Ltd. Water-absorbent resin composition
US4766173A (en) * 1987-05-11 1988-08-23 Nalco Chemical Company Method for reducing residual acrylic acid in acrylic acid polymer gels
JPS6424808A (en) * 1987-07-22 1989-01-26 Arakawa Chem Ind Method of reducing residual monomer content of hydrophilic high-molecular weight polymer
DE3724709A1 (de) * 1987-07-25 1989-02-02 Stockhausen Chem Fab Gmbh Verfahren zur herstellung von polymerisaten mit niedrigem restmonomergehalt
JPH0798847B2 (ja) * 1987-09-03 1995-10-25 三洋化成工業株式会社 水膨潤性重合体組成物の製造法及び組成物
JPH01292003A (ja) * 1988-05-19 1989-11-24 Sekisui Plastics Co Ltd 吸水性樹脂の精製方法
US4970267A (en) * 1990-03-08 1990-11-13 Nalco Chemical Company Reconstitution of superabsorbent polymer fines using persulfate salts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10249821A1 (de) * 2002-10-25 2004-05-13 Stockhausen Gmbh & Co. Kg Absorbierende Polymergebilde mit verbesserter Rententionskapazität und Permeabilität
US7833624B2 (en) 2002-10-25 2010-11-16 Evonik Stockhuasen GmbH Absorbent polymer structure with improved retention capacity and permeability

Also Published As

Publication number Publication date
EP0441975A1 (de) 1991-08-21
US5229488A (en) 1993-07-20
DE69030971D1 (de) 1997-07-31
WO1991003497A1 (en) 1991-03-21
EP0441975B1 (de) 1997-06-25
EP0441975A4 (en) 1992-03-18

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