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WO2008090961A1 - 粒子状吸水性ポリマーおよびその製造方法 - Google Patents

粒子状吸水性ポリマーおよびその製造方法 Download PDF

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Publication number
WO2008090961A1
WO2008090961A1 PCT/JP2008/050995 JP2008050995W WO2008090961A1 WO 2008090961 A1 WO2008090961 A1 WO 2008090961A1 JP 2008050995 W JP2008050995 W JP 2008050995W WO 2008090961 A1 WO2008090961 A1 WO 2008090961A1
Authority
WO
WIPO (PCT)
Prior art keywords
particulate water
absorbent polymer
polymer
monomer
hydrogel
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.)
Ceased
Application number
PCT/JP2008/050995
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English (en)
French (fr)
Inventor
Hiroyuki Ikeuchi
Makoto Nagasawa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39644535&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2008090961(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd
Priority to JP2008555106A priority Critical patent/JP5478897B2/ja
Priority to CN2008800029657A priority patent/CN101589066B/zh
Priority to EP08703822.0A priority patent/EP2112172B2/en
Publication of WO2008090961A1 publication Critical patent/WO2008090961A1/ja
Priority to US12/501,734 priority patent/US7935774B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • 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
    • 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
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • C08J3/075—Macromolecular gels
    • 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
    • C08J3/12—Powdering or granulating
    • 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
    • C08F222/102—Esters of polyhydric alcohols or polyhydric phenols of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate
    • 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)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Polymerisation Methods In General (AREA)

Abstract

　本発明は、重合時の重合遅延等、粒子状吸水性ポリマー合成に悪影響なく、著しく経時色安定性が改善された粒子状吸水性ポリマー粒子を得るための製法を提供することを課題とし、重合により粒子状吸水性ポリマーを形成し得る少なくとも１種のモノマー（A）、少なくとも１種の架橋剤、少なくとも1種の重合開始剤、該モノマー（A）に対し１ｐｐｍ以上１００質量ｐｐｍ以下の有機リン化合物を含むモノマー水溶液（B）を重合し、得られる含水ゲル状重合体を乾燥することで、相反する経時色安定性や耐尿性向上と吸収特性を両立し、優れた粒子状吸水性ポリマーを提供することができ、上記課題が解決される。
PCT/JP2008/050995 2007-01-24 2008-01-24 粒子状吸水性ポリマーおよびその製造方法 Ceased WO2008090961A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2008555106A JP5478897B2 (ja) 2007-01-24 2008-01-24 粒子状吸水性ポリマーおよびその製造方法
CN2008800029657A CN101589066B (zh) 2007-01-24 2008-01-24 粒子状吸水性聚合物及其制造方法
EP08703822.0A EP2112172B2 (en) 2007-01-24 2008-01-24 Particulate water-absorbent polymer and process for production thereof
US12/501,734 US7935774B2 (en) 2007-01-24 2009-07-13 Particulate water-absorbent polymer and production method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-014288 2007-01-24
JP2007014288 2007-01-24

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/501,734 Continuation US7935774B2 (en) 2007-01-24 2009-07-13 Particulate water-absorbent polymer and production method thereof

Publications (1)

Publication Number Publication Date
WO2008090961A1 true WO2008090961A1 (ja) 2008-07-31

Family

ID=39644535

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/050995 Ceased WO2008090961A1 (ja) 2007-01-24 2008-01-24 粒子状吸水性ポリマーおよびその製造方法

Country Status (5)

Country Link
US (1) US7935774B2 (ja)
EP (1) EP2112172B2 (ja)
JP (1) JP5478897B2 (ja)
CN (1) CN101589066B (ja)
WO (1) WO2008090961A1 (ja)

Cited By (18)

* Cited by examiner, † Cited by third party
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WO2009113672A1 (ja) 2008-03-13 2009-09-17 株式会社日本触媒 吸水性樹脂の製造方法
WO2009119756A1 (ja) 2008-03-28 2009-10-01 株式会社日本触媒 吸水性樹脂粉体の輸送方法
WO2010032694A1 (ja) 2008-09-16 2010-03-25 株式会社日本触媒 吸水性樹脂の製造方法および通液性向上方法
WO2010079075A1 (de) * 2009-01-09 2010-07-15 Basf Se Verfahren zur herstellung geruchsinhibierender wasserabsorbierender polymerpartikel
WO2010114058A1 (ja) 2009-03-31 2010-10-07 株式会社日本触媒 粒子状吸水性樹脂の製造方法
WO2011034146A1 (ja) 2009-09-16 2011-03-24 株式会社日本触媒 吸水性樹脂粉末の製造方法
WO2011040575A1 (ja) 2009-09-30 2011-04-07 株式会社日本触媒 ポリアクリル酸（塩）系吸水性樹脂およびその製造方法
WO2011126079A1 (ja) 2010-04-07 2011-10-13 株式会社日本触媒 ポリアクリル酸（塩）系吸水性樹脂粉末の製造方法及びポリアクリル酸（塩）系吸水性樹脂粉末
WO2011155540A1 (ja) 2010-06-08 2011-12-15 株式会社日本触媒 粒子状吸水性樹脂の製造方法
WO2013002387A1 (ja) 2011-06-29 2013-01-03 株式会社日本触媒 ポリアクリル酸（塩）系吸水性樹脂粉末及びその製造方法
JP2013500842A (ja) * 2010-06-25 2013-01-10 ザ プロクター アンド ギャンブル カンパニー 使い捨ておむつ
JP2013511608A (ja) * 2009-11-23 2013-04-04 ビーエーエスエフ ソシエタス・ヨーロピア 色安定性が改善された吸水性ポリマー粒子の製造方法
WO2015046604A1 (ja) 2013-09-30 2015-04-02 株式会社日本触媒 粒子状吸水剤の充填方法および粒子状吸水剤充填物のサンプリング方法
EP3401070A1 (en) 2013-08-28 2018-11-14 Nippon Shokubai Co., Ltd. A water absorbent resin powder and an absorbent body
EP3520978A1 (en) 2013-08-28 2019-08-07 Nippon Shokubai Co., Ltd. Polyacrylic acid (polyacrylate) superabsorbent polymer powder
KR20210058928A (ko) 2018-09-21 2021-05-24 가부시키가이샤 닛폰 쇼쿠바이 킬레이트제를 포함하는 흡수성 수지의 제조 방법
WO2021162085A1 (ja) 2020-02-14 2021-08-19 株式会社日本触媒 吸水性樹脂およびその製造方法
WO2021162072A1 (ja) 2020-02-14 2021-08-19 株式会社日本触媒 吸収体、吸水剤および吸水剤の製造方法

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2163266A1 (en) * 2008-09-12 2010-03-17 The Procter & Gamble Absorbent article comprising water-absorbing material
CN102149754A (zh) * 2008-09-12 2011-08-10 巴斯夫欧洲公司 吸水材料
US9962680B2 (en) 2010-12-17 2018-05-08 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt)-based water absorbent resin, and method for production thereof
KR20140144259A (ko) 2012-03-30 2014-12-18 바스프 에스이 색 안정적 초흡수체
WO2013144027A1 (de) 2012-03-30 2013-10-03 Basf Se Farbstabiler superabsorber
US9302248B2 (en) 2013-04-10 2016-04-05 Evonik Corporation Particulate superabsorbent polymer composition having improved stability
US9375507B2 (en) 2013-04-10 2016-06-28 Evonik Corporation Particulate superabsorbent polymer composition having improved stability
KR102373063B1 (ko) 2013-10-09 2022-03-11 가부시키가이샤 닛폰 쇼쿠바이 흡수성 수지를 주성분으로 하는 입자상 흡수제 및 그의 제조 방법
IL245656B (en) 2016-05-16 2018-02-28 Technion Res & Dev Foundation Polymer structures with high absorption capacity
WO2018002916A1 (en) 2016-06-26 2018-01-04 Technion Research & Development Foundation Limited Hhh
JP7150701B2 (ja) * 2016-08-10 2022-10-11 ビーエーエスエフ ソシエタス・ヨーロピア 高吸収体の製造方法
IL247302B (en) 2016-08-16 2019-03-31 Technion Res & Dev Foundation Systems for releasing materials based on polymer emulsions
CN106179235A (zh) * 2016-08-29 2016-12-07 江苏海普功能材料有限公司 一种除化学镍吸附剂及其制备方法
WO2019016816A1 (en) 2017-07-19 2019-01-24 Technion Research & Development Foundation Limited HYDROGELS WITH EMULSION MATRIX DOUBLELY RETICULATED BY REVERSIBLE METAL COORDINATION
IL255404B (en) 2017-11-02 2018-10-31 Technion Res & Dev Foundation A zwitterionic hydrogel in the configuration of an internal multiphase emulsion
US11813589B2 (en) 2017-11-10 2023-11-14 Basf Se Superabsorbent complexed with aluminum ions
WO2019201669A1 (en) 2018-04-20 2019-10-24 Basf Se Process for producing superabsorbents

Citations (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US922717A (en) 1909-03-05 1909-05-25 George H Parker Game.
US955086A (en) 1909-07-09 1910-04-12 Julius Laux Post-anchor.
US1178059A (en) 1913-11-07 1916-04-04 Andrew C Danver Brake-rod support for automobiles.
US4093776A (en) 1976-10-07 1978-06-06 Kao Soap Co., Ltd. Process for preparation of spontaneously-crosslinked alkali metal acrylate polymers
US4286082A (en) 1979-04-06 1981-08-25 Nippon Shokubai Kagaku Kogyo & Co., Ltd. Absorbent resin composition and process for producing same
US4367323A (en) 1980-12-03 1983-01-04 Sumitomo Chemical Company, Limited Production of hydrogels
US4446261A (en) 1981-03-25 1984-05-01 Kao Soap Co., Ltd. Process for preparation of high water-absorbent polymer beads
US4625001A (en) 1984-09-25 1986-11-25 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for continuous production of cross-linked polymer
US4683274A (en) 1984-10-05 1987-07-28 Seitetsu Kagaku Co., Ltd. Process for producing a water-absorbent resin
US4769427A (en) 1985-10-19 1988-09-06 Basf Aktiengesellschaft Continuous preparation of finely divided gel-like crosslinked polymers
US4857610A (en) 1985-12-18 1989-08-15 Chemische Fabrik Stockhausen Gmbh Process for the continuous production of polymers and copolymers of water-soluble monomers
US4873299A (en) 1986-03-21 1989-10-10 Basf Aktiengesellschaft Batchwise preparation of crosslinked, finely divided polymers
JPH01275661A (ja) 1988-04-28 1989-11-06 Kao Corp 吸水性樹脂組成物
US4880886A (en) 1987-07-16 1989-11-14 Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha Process for production of highly water-absorbent resin
EP0349240A2 (en) 1988-06-28 1990-01-03 Nippon Shokubai Co., Ltd. Water-absorbent resin and production process
JPH02117903A (ja) 1988-10-27 1990-05-02 Lion Corp ビーズ状吸水性ポリマーの製造方法
US4973632A (en) 1988-06-28 1990-11-27 Nippon Shokubai Kagaku Kogyo Co., Ltd. Production process for water-absorbent resin
JPH02300210A (ja) * 1989-05-16 1990-12-12 Mitsubishi Petrochem Co Ltd 高吸水性ポリマーの製造法
US4985518A (en) 1981-10-26 1991-01-15 American Colloid Company Process for preparing water-absorbing resins
EP0450923A2 (en) 1990-04-02 1991-10-09 Nippon Shokubai Co., Ltd. Method of treating the surface of an absorbent resin
EP0450924A2 (en) 1990-04-02 1991-10-09 Nippon Shokubai Co., Ltd. Method for treating the surface of an absorbent resin
US5124416A (en) 1988-05-23 1992-06-23 Nippon Shokubai Kagaku Kogyo, Co., Ltd. Method for production of absorbent polymer
US5145906A (en) 1989-09-28 1992-09-08 Hoechst Celanese Corporation Super-absorbent polymer having improved absorbency properties
JPH04331205A (ja) 1991-05-01 1992-11-19 Mitsubishi Petrochem Co Ltd 高吸水性ポリマーの製造法
US5180798A (en) 1990-01-31 1993-01-19 Sumitomo Seika Chemicals Co., Ltd. Process for production of water-absorbent resin
JPH0586251A (ja) 1991-09-26 1993-04-06 Uni Charm Corp 高吸水性ポリマー組成物
US5202400A (en) 1990-08-21 1993-04-13 Mitsubishi Petrochemical Company Limited Process for the production of highly water absorptive polymers
US5210159A (en) 1990-04-03 1993-05-11 Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha Process for preparing porous and water-absorbent resin
US5244735A (en) 1988-06-28 1993-09-14 Nippon Shokubai Kagaku Kabushiki Kaisha Water-absorbent resin and production process
US5250640A (en) 1991-04-10 1993-10-05 Nippon Shokubai Co., Ltd. Method for production of particulate hydrogel polymer and absorbent resin
US5264495A (en) 1990-04-27 1993-11-23 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for production of salt-resistant absorbent resin
EP0605150A1 (en) 1992-12-16 1994-07-06 Nippon Shokubai Co., Ltd. Method for production of absorbent resin
US5369148A (en) 1990-04-27 1994-11-29 Nippon Shokubai Co., Ltd. Method for continuous agglomeration of an absorbent resin powder and apparatus therefor
US5380808A (en) 1990-07-17 1995-01-10 Sanyo Chemical Industries, Ltd. Process for producing water-absorbing resins
US5385983A (en) 1992-11-12 1995-01-31 The Dow Chemical Company Process for preparing a water-absorbent polymer
US5397845A (en) 1992-08-12 1995-03-14 Elf Atochem S.A. Superabsorbent acrylic powders
US5408006A (en) 1992-08-12 1995-04-18 Elf Atochem S.A. Superabsorbent acrylic powders prepared via improved suspension polymerization
US5409771A (en) 1990-06-29 1995-04-25 Chemische Fabrik Stockhausen Gmbh Aqueous-liquid and blood-absorbing powdery reticulated polymers, process for producing the same and their use as absorbents in sanitary articles
US5412023A (en) 1989-12-06 1995-05-02 Bollig & Kemper Kg Aqueous dispersions of cross-linked polymer microparticles
JPH07224304A (ja) 1994-02-10 1995-08-22 Toyo Alum Kk ホウ素含有アルミニウム合金の製造方法
EP0668080A2 (en) 1994-02-17 1995-08-23 Nippon Shokubai Co., Ltd. Water-absorbent agent, method for production thereof, and water-absorbent composition
JPH07242709A (ja) 1994-03-03 1995-09-19 Toagosei Co Ltd 吸水性樹脂の製造方法
US5462972A (en) 1993-09-17 1995-10-31 Nalco Chemical Company Superabsorbent polymer having improved absorption rate and absorption under pressure
US5563218A (en) 1993-09-21 1996-10-08 Elf Atochem S.A. Superabsorbent polymers
JPH08283318A (ja) * 1995-04-19 1996-10-29 Kao Corp 高吸水性ポリマーの製造方法
US5597873A (en) 1994-04-11 1997-01-28 Hoechst Celanese Corporation Superabsorbent polymers and products therefrom
US5610220A (en) 1992-12-30 1997-03-11 Chemische Fabrik Stockhausen Gmbh Powder-form polymers which absorb, even under pressure, aqueous liquids and blood, a method of producing them and their use in textile articles for body-hygiene applications
US5633316A (en) 1991-04-15 1997-05-27 The Dow Chemical Company Surface crosslinked and surfactant coated absorbent resin particles and method of preparation
US5674633A (en) 1986-04-25 1997-10-07 Weirton Steel Corporation Light-gage composite-coated flat-rolled steel manufacture and product
EP0811636A1 (en) 1996-06-05 1997-12-10 Nippon Shokubai Co., Ltd. Method for production of cross-linked polymer
EP0812873A1 (en) 1995-12-27 1997-12-17 Nippon Shokubai Co., Ltd. Water absorbent and process and equipment for the production thereof
US5807916A (en) 1995-04-11 1998-09-15 Elf Atochem S. A. Process for obtaining polymers which are superabsorbent for water and aqueous fluids in the form of particle aggregates
US5885462A (en) 1994-08-26 1999-03-23 Elf Atochem S.A. Process for reducing the concentration of multivalent cations in aqueous solutions
JP2883330B1 (ja) * 1997-07-03 1999-04-19 花王株式会社 高吸水性樹脂組成物
WO1999042496A1 (de) 1998-02-21 1999-08-26 Basf Aktiengesellschaft Vernetzte quellfähige polymere
WO1999042494A1 (de) 1998-02-21 1999-08-26 Basf Aktiengesellschaft Nachvernetzung von hydrogelen mit 2-oxazolidinonen
WO1999043720A1 (de) 1998-02-26 1999-09-02 Basf Aktiengesellschaft Verfahren zur vernetzung von hydrogelen mit bis- und poly-2-oxazolidinonen
US5998553A (en) 1997-04-22 1999-12-07 Mitsubishi Chemical Corporation Highly water-absorptive polymer and process for producing the same
WO2000055245A1 (en) 1999-03-12 2000-09-21 Basf Aktiengesellschaft Color-stable superabsorbent polymer composition
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
US6174978B1 (en) 1997-12-10 2001-01-16 Nippon Shokubai Co., Ltd. Production process of water-absorbent resin
US6228930B1 (en) 1997-06-18 2001-05-08 Nippon Shokubai Co., Ltd. Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule
US6254990B1 (en) 1998-02-18 2001-07-03 Nippon Shokubai Co., Ltd. Surface-crosslinking process for water-absorbent resin
US6444744B1 (en) 1998-03-11 2002-09-03 Nippon Shokubai Co., Ltd. Hydrophilic resin, absorbent article, and acrylic acid for polymerization
US6455600B1 (en) 1998-03-05 2002-09-24 Basf Aktiengesellschaft Water-absorbing, cross-linked polymerizates in the form of a foam, a method for the production thereof, and their use
JP2003052742A (ja) 2001-08-09 2003-02-25 San-Dia Polymer Ltd 吸収剤及びこれを使用した吸収性構造体
WO2003053482A1 (de) 2001-12-21 2003-07-03 Basf Aktiengesellschaft Tocopherol-haltige superabsorber
JP2003206381A (ja) 2002-01-15 2003-07-22 Sumitomo Seika Chem Co Ltd 吸水性樹脂の着色防止方法
US6602950B1 (en) 1998-10-08 2003-08-05 Basf Aktiengesellschaft Hydrophilic hydrogels with a high swelling capacity and method for producing and using them
US6710141B1 (en) 1999-11-20 2004-03-23 Basf Aktiengesellschaft Method for continuously producing cross-linked fine-particle geleous polymerizates
US20040092688A1 (en) 2002-11-07 2004-05-13 Yorimichi Dairoku Process and apparatus for production of water-absorbent resin
WO2004069915A2 (en) 2003-02-10 2004-08-19 Nippon Shokubai Co., Ltd. Particulate water-absorbing agent
WO2004113452A1 (en) 2003-06-24 2004-12-29 Nippon Shokubai Co.,Ltd. Water absorbent resin compostion and production method thereof
WO2005001689A1 (ja) 2003-06-25 2005-01-06 Nec Corporation 電子計算機、半導体集積回路、制御方法、プログラムの生成方法、及びプログラム
US20050085604A1 (en) 2002-01-16 2005-04-21 Masayoshi Handa Process for producing water-absorbing resin
US6906159B2 (en) 2000-08-03 2005-06-14 Nippon Shokubai Co., Ltd. Water-absorbent resin, hydropolymer, process for producing them, and uses of them
US6911499B1 (en) 1999-08-30 2005-06-28 Stockhausen Gmbh Polymer composition and a method for producing the same
JP2005186016A (ja) 2003-12-26 2005-07-14 San-Dia Polymer Ltd 吸収剤
US20050215734A1 (en) 2004-03-24 2005-09-29 Yorimichi Dairoku Method for continuous production of water-absorbent resin
WO2005108472A1 (en) 2004-05-07 2005-11-17 Nippon Shokubai Co., Ltd. Water absorbing agent and production method thereof
US6987151B2 (en) 2001-09-12 2006-01-17 Dow Global Technologies Inc. Continuous polymerization process for the manufacture of superabsorbent polymers
US20060074160A1 (en) 2002-12-27 2006-04-06 Masayoshi Handa Water-absorbing resin composition
US20060167198A1 (en) 2005-01-21 2006-07-27 Nippon Shokubai Co., Ltd. Production method of water-absorbent resin
JP2006522181A (ja) 2003-03-26 2006-09-28 ビーエーエスエフ　アクチェンゲゼルシャフト 色安定性の高吸水性ポリマー組成物
US20070015887A1 (en) 2003-05-13 2007-01-18 Kazuhiro Yoshino Method for producing water-absorbing resin
US20070141338A1 (en) 2004-03-29 2007-06-21 Kunihiko Ishizaki Particulate water absorbing agent with irregularly pulverized shape

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3434139A1 (de) * 1984-09-18 1986-03-20 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von carboxylgruppen enthaltenden polymerisaten
US5185413A (en) * 1989-05-16 1993-02-09 Mitsubishi Petrochemical Company Limited Process for producing highly water-absortive polymers
JP3445426B2 (ja) * 1995-12-26 2003-09-08 花王株式会社 高吸水性樹脂組成物
SG86324A1 (en) * 1997-07-03 2002-02-19 Kao Corp Superabsorbent resin composition
DE602006012640D1 (de) * 2005-04-12 2010-04-15 Nippon Catalytic Chem Ind Altend wasserabsorbierendes harz auf basis von polyacrylsäure (polyacrylat) als hauptkomponente, herstellungsverfahren dafür, wasserabsorbierender kerige wasserabsorbierende mittel verwendet wird
CN1317307C (zh) * 2005-04-29 2007-05-23 清华大学 用日光辐射聚合制备高吸水性树脂的方法
CN100391988C (zh) * 2006-04-11 2008-06-04 浙江大学 反相悬浮聚合聚丙烯酸高吸水树脂的制备方法
JP5415256B2 (ja) * 2006-08-31 2014-02-12 株式会社日本触媒 粒子状吸水剤およびその製造方法

Patent Citations (89)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US922717A (en) 1909-03-05 1909-05-25 George H Parker Game.
US955086A (en) 1909-07-09 1910-04-12 Julius Laux Post-anchor.
US1178059A (en) 1913-11-07 1916-04-04 Andrew C Danver Brake-rod support for automobiles.
US4093776A (en) 1976-10-07 1978-06-06 Kao Soap Co., Ltd. Process for preparation of spontaneously-crosslinked alkali metal acrylate polymers
US4286082A (en) 1979-04-06 1981-08-25 Nippon Shokubai Kagaku Kogyo & Co., Ltd. Absorbent resin composition and process for producing same
US4367323A (en) 1980-12-03 1983-01-04 Sumitomo Chemical Company, Limited Production of hydrogels
US4446261A (en) 1981-03-25 1984-05-01 Kao Soap Co., Ltd. Process for preparation of high water-absorbent polymer beads
US4985518A (en) 1981-10-26 1991-01-15 American Colloid Company Process for preparing water-absorbing resins
US4625001A (en) 1984-09-25 1986-11-25 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for continuous production of cross-linked polymer
US4683274A (en) 1984-10-05 1987-07-28 Seitetsu Kagaku Co., Ltd. Process for producing a water-absorbent resin
US4769427A (en) 1985-10-19 1988-09-06 Basf Aktiengesellschaft Continuous preparation of finely divided gel-like crosslinked polymers
US4857610A (en) 1985-12-18 1989-08-15 Chemische Fabrik Stockhausen Gmbh Process for the continuous production of polymers and copolymers of water-soluble monomers
US4893999A (en) 1985-12-18 1990-01-16 Chemische Fabrik Stockhausen Gmbh Apparatus for the continuous production of polymers and copolymers of water-soluble monomers
US4873299A (en) 1986-03-21 1989-10-10 Basf Aktiengesellschaft Batchwise preparation of crosslinked, finely divided polymers
US5674633A (en) 1986-04-25 1997-10-07 Weirton Steel Corporation Light-gage composite-coated flat-rolled steel manufacture and product
US4880886A (en) 1987-07-16 1989-11-14 Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha Process for production of highly water-absorbent resin
JPH01275661A (ja) 1988-04-28 1989-11-06 Kao Corp 吸水性樹脂組成物
US5124416A (en) 1988-05-23 1992-06-23 Nippon Shokubai Kagaku Kogyo, Co., Ltd. Method for production of absorbent polymer
US4973632A (en) 1988-06-28 1990-11-27 Nippon Shokubai Kagaku Kogyo Co., Ltd. Production process for water-absorbent resin
EP0349240A2 (en) 1988-06-28 1990-01-03 Nippon Shokubai Co., Ltd. Water-absorbent resin and production process
US5244735A (en) 1988-06-28 1993-09-14 Nippon Shokubai Kagaku Kabushiki Kaisha Water-absorbent resin and production process
JPH02117903A (ja) 1988-10-27 1990-05-02 Lion Corp ビーズ状吸水性ポリマーの製造方法
JPH02300210A (ja) * 1989-05-16 1990-12-12 Mitsubishi Petrochem Co Ltd 高吸水性ポリマーの製造法
US5145906A (en) 1989-09-28 1992-09-08 Hoechst Celanese Corporation Super-absorbent polymer having improved absorbency properties
US5412023A (en) 1989-12-06 1995-05-02 Bollig & Kemper Kg Aqueous dispersions of cross-linked polymer microparticles
US5180798A (en) 1990-01-31 1993-01-19 Sumitomo Seika Chemicals Co., Ltd. Process for production of water-absorbent resin
EP0450924A2 (en) 1990-04-02 1991-10-09 Nippon Shokubai Co., Ltd. Method for treating the surface of an absorbent resin
EP0450923A2 (en) 1990-04-02 1991-10-09 Nippon Shokubai Co., Ltd. Method of treating the surface of an absorbent resin
US5210159A (en) 1990-04-03 1993-05-11 Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha Process for preparing porous and water-absorbent resin
US5264495A (en) 1990-04-27 1993-11-23 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for production of salt-resistant absorbent resin
US5369148A (en) 1990-04-27 1994-11-29 Nippon Shokubai Co., Ltd. Method for continuous agglomeration of an absorbent resin powder and apparatus therefor
US5409771A (en) 1990-06-29 1995-04-25 Chemische Fabrik Stockhausen Gmbh Aqueous-liquid and blood-absorbing powdery reticulated polymers, process for producing the same and their use as absorbents in sanitary articles
US5380808A (en) 1990-07-17 1995-01-10 Sanyo Chemical Industries, Ltd. Process for producing water-absorbing resins
US5202400A (en) 1990-08-21 1993-04-13 Mitsubishi Petrochemical Company Limited Process for the production of highly water absorptive polymers
US5250640A (en) 1991-04-10 1993-10-05 Nippon Shokubai Co., Ltd. Method for production of particulate hydrogel polymer and absorbent resin
US5633316A (en) 1991-04-15 1997-05-27 The Dow Chemical Company Surface crosslinked and surfactant coated absorbent resin particles and method of preparation
JPH04331205A (ja) 1991-05-01 1992-11-19 Mitsubishi Petrochem Co Ltd 高吸水性ポリマーの製造法
JPH0586251A (ja) 1991-09-26 1993-04-06 Uni Charm Corp 高吸水性ポリマー組成物
US5408006A (en) 1992-08-12 1995-04-18 Elf Atochem S.A. Superabsorbent acrylic powders prepared via improved suspension polymerization
US5397845A (en) 1992-08-12 1995-03-14 Elf Atochem S.A. Superabsorbent acrylic powders
US5385983A (en) 1992-11-12 1995-01-31 The Dow Chemical Company Process for preparing a water-absorbent polymer
EP0605150A1 (en) 1992-12-16 1994-07-06 Nippon Shokubai Co., Ltd. Method for production of absorbent resin
US5610220A (en) 1992-12-30 1997-03-11 Chemische Fabrik Stockhausen Gmbh Powder-form polymers which absorb, even under pressure, aqueous liquids and blood, a method of producing them and their use in textile articles for body-hygiene applications
US5462972A (en) 1993-09-17 1995-10-31 Nalco Chemical Company Superabsorbent polymer having improved absorption rate and absorption under pressure
US5563218A (en) 1993-09-21 1996-10-08 Elf Atochem S.A. Superabsorbent polymers
JPH07224304A (ja) 1994-02-10 1995-08-22 Toyo Alum Kk ホウ素含有アルミニウム合金の製造方法
EP0668080A2 (en) 1994-02-17 1995-08-23 Nippon Shokubai Co., Ltd. Water-absorbent agent, method for production thereof, and water-absorbent composition
JPH07242709A (ja) 1994-03-03 1995-09-19 Toagosei Co Ltd 吸水性樹脂の製造方法
US5597873A (en) 1994-04-11 1997-01-28 Hoechst Celanese Corporation Superabsorbent polymers and products therefrom
US5885462A (en) 1994-08-26 1999-03-23 Elf Atochem S.A. Process for reducing the concentration of multivalent cations in aqueous solutions
US5807916A (en) 1995-04-11 1998-09-15 Elf Atochem S. A. Process for obtaining polymers which are superabsorbent for water and aqueous fluids in the form of particle aggregates
JPH08283318A (ja) * 1995-04-19 1996-10-29 Kao Corp 高吸水性ポリマーの製造方法
EP0812873A1 (en) 1995-12-27 1997-12-17 Nippon Shokubai Co., Ltd. Water absorbent and process and equipment for the production thereof
US6071976A (en) 1995-12-27 2000-06-06 Nippon Shokubai Co., Ltd. Water absorbing agent, manufacturing method thereof, and manufacturing machine thereof
EP0811636A1 (en) 1996-06-05 1997-12-10 Nippon Shokubai Co., Ltd. Method for production of cross-linked polymer
US5998553A (en) 1997-04-22 1999-12-07 Mitsubishi Chemical Corporation Highly water-absorptive polymer and process for producing the same
US6228930B1 (en) 1997-06-18 2001-05-08 Nippon Shokubai Co., Ltd. Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule
JP2883330B1 (ja) * 1997-07-03 1999-04-19 花王株式会社 高吸水性樹脂組成物
US6174978B1 (en) 1997-12-10 2001-01-16 Nippon Shokubai Co., Ltd. Production process of water-absorbent resin
US6254990B1 (en) 1998-02-18 2001-07-03 Nippon Shokubai Co., Ltd. Surface-crosslinking process for water-absorbent resin
WO1999042496A1 (de) 1998-02-21 1999-08-26 Basf Aktiengesellschaft Vernetzte quellfähige polymere
WO1999042494A1 (de) 1998-02-21 1999-08-26 Basf Aktiengesellschaft Nachvernetzung von hydrogelen mit 2-oxazolidinonen
WO1999043720A1 (de) 1998-02-26 1999-09-02 Basf Aktiengesellschaft Verfahren zur vernetzung von hydrogelen mit bis- und poly-2-oxazolidinonen
US6455600B1 (en) 1998-03-05 2002-09-24 Basf Aktiengesellschaft Water-absorbing, cross-linked polymerizates in the form of a foam, a method for the production thereof, and their use
US6444744B1 (en) 1998-03-11 2002-09-03 Nippon Shokubai Co., Ltd. Hydrophilic resin, absorbent article, and acrylic acid for polymerization
US6602950B1 (en) 1998-10-08 2003-08-05 Basf Aktiengesellschaft Hydrophilic hydrogels with a high swelling capacity and method for producing and using them
WO2000055245A1 (en) 1999-03-12 2000-09-21 Basf Aktiengesellschaft Color-stable superabsorbent polymer composition
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
US6911499B1 (en) 1999-08-30 2005-06-28 Stockhausen Gmbh Polymer composition and a method for producing the same
US6710141B1 (en) 1999-11-20 2004-03-23 Basf Aktiengesellschaft Method for continuously producing cross-linked fine-particle geleous polymerizates
US6906159B2 (en) 2000-08-03 2005-06-14 Nippon Shokubai Co., Ltd. Water-absorbent resin, hydropolymer, process for producing them, and uses of them
US7091253B2 (en) 2000-08-03 2006-08-15 Nippon Shokubai Co., Ltd. Water-absorbent resin, hydropolymer, process for producing them, and uses of them
JP2003052742A (ja) 2001-08-09 2003-02-25 San-Dia Polymer Ltd 吸収剤及びこれを使用した吸収性構造体
US6987151B2 (en) 2001-09-12 2006-01-17 Dow Global Technologies Inc. Continuous polymerization process for the manufacture of superabsorbent polymers
WO2003053482A1 (de) 2001-12-21 2003-07-03 Basf Aktiengesellschaft Tocopherol-haltige superabsorber
JP2003206381A (ja) 2002-01-15 2003-07-22 Sumitomo Seika Chem Co Ltd 吸水性樹脂の着色防止方法
US20050085604A1 (en) 2002-01-16 2005-04-21 Masayoshi Handa Process for producing water-absorbing resin
US20040092688A1 (en) 2002-11-07 2004-05-13 Yorimichi Dairoku Process and apparatus for production of water-absorbent resin
US20060074160A1 (en) 2002-12-27 2006-04-06 Masayoshi Handa Water-absorbing resin composition
WO2004069915A2 (en) 2003-02-10 2004-08-19 Nippon Shokubai Co., Ltd. Particulate water-absorbing agent
JP2006522181A (ja) 2003-03-26 2006-09-28 ビーエーエスエフ　アクチェンゲゼルシャフト 色安定性の高吸水性ポリマー組成物
US20070015887A1 (en) 2003-05-13 2007-01-18 Kazuhiro Yoshino Method for producing water-absorbing resin
WO2004113452A1 (en) 2003-06-24 2004-12-29 Nippon Shokubai Co.,Ltd. Water absorbent resin compostion and production method thereof
WO2005001689A1 (ja) 2003-06-25 2005-01-06 Nec Corporation 電子計算機、半導体集積回路、制御方法、プログラムの生成方法、及びプログラム
JP2005186016A (ja) 2003-12-26 2005-07-14 San-Dia Polymer Ltd 吸収剤
US20050215734A1 (en) 2004-03-24 2005-09-29 Yorimichi Dairoku Method for continuous production of water-absorbent resin
US20070141338A1 (en) 2004-03-29 2007-06-21 Kunihiko Ishizaki Particulate water absorbing agent with irregularly pulverized shape
WO2005108472A1 (en) 2004-05-07 2005-11-17 Nippon Shokubai Co., Ltd. Water absorbing agent and production method thereof
US20060167198A1 (en) 2005-01-21 2006-07-27 Nippon Shokubai Co., Ltd. Production method of water-absorbent resin

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2112172A4

Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009113672A1 (ja) 2008-03-13 2009-09-17 株式会社日本触媒 吸水性樹脂の製造方法
WO2009119756A1 (ja) 2008-03-28 2009-10-01 株式会社日本触媒 吸水性樹脂粉体の輸送方法
WO2009119758A1 (ja) 2008-03-28 2009-10-01 株式会社日本触媒 吸水性樹脂粉体の輸送方法
WO2009119754A1 (ja) 2008-03-28 2009-10-01 株式会社日本触媒 吸水性樹脂の製造方法
EP3023369A1 (en) 2008-03-28 2016-05-25 Nippon Shokubai Co., Ltd. Process for production of water-absorbing resins
WO2010032694A1 (ja) 2008-09-16 2010-03-25 株式会社日本触媒 吸水性樹脂の製造方法および通液性向上方法
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
WO2010079075A1 (de) * 2009-01-09 2010-07-15 Basf Se Verfahren zur herstellung geruchsinhibierender wasserabsorbierender polymerpartikel
WO2010114058A1 (ja) 2009-03-31 2010-10-07 株式会社日本触媒 粒子状吸水性樹脂の製造方法
WO2011034146A1 (ja) 2009-09-16 2011-03-24 株式会社日本触媒 吸水性樹脂粉末の製造方法
WO2011034147A1 (ja) 2009-09-16 2011-03-24 株式会社日本触媒 吸水性樹脂粉末の製造方法
US10294315B2 (en) 2009-09-30 2019-05-21 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt)-based water absorbent resin and method for producing same
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EP2484702B1 (en) 2009-09-30 2015-12-02 Nippon Shokubai Co., Ltd. Polyacrylic acid salt-based water absorbent resin and method for producing same
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JP2013511608A (ja) * 2009-11-23 2013-04-04 ビーエーエスエフ ソシエタス・ヨーロピア 色安定性が改善された吸水性ポリマー粒子の製造方法
WO2011126079A1 (ja) 2010-04-07 2011-10-13 株式会社日本触媒 ポリアクリル酸（塩）系吸水性樹脂粉末の製造方法及びポリアクリル酸（塩）系吸水性樹脂粉末
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WO2011155540A1 (ja) 2010-06-08 2011-12-15 株式会社日本触媒 粒子状吸水性樹脂の製造方法
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EP2112172B1 (en) 2012-10-17
US20090270538A1 (en) 2009-10-29
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