JP2009531467A - 内部構造が改善された吸水性樹脂、およびその製造方法 - Google Patents

内部構造が改善された吸水性樹脂、およびその製造方法 Download PDF

Info

Publication number
JP2009531467A
JP2009531467A JP2007538209A JP2007538209A JP2009531467A JP 2009531467 A JP2009531467 A JP 2009531467A JP 2007538209 A JP2007538209 A JP 2007538209A JP 2007538209 A JP2007538209 A JP 2007538209A JP 2009531467 A JP2009531467 A JP 2009531467A
Authority
JP
Japan
Prior art keywords
water
absorbent resin
mass
molecular weight
absorbing
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.)
Pending
Application number
JP2007538209A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009531467A5 (enExample
Inventor
一司 鳥井
浩史 柴田
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 JP2009531467A publication Critical patent/JP2009531467A/ja
Publication of JP2009531467A5 publication Critical patent/JP2009531467A5/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/265—Synthetic macromolecular compounds modified or post-treated polymers
    • B01J20/267—Cross-linked polymers
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/50—Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/68—Superabsorbents
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Dispersion Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Laminated Bodies (AREA)
JP2007538209A 2006-03-27 2007-03-20 内部構造が改善された吸水性樹脂、およびその製造方法 Pending JP2009531467A (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2006085652 2006-03-27
JP2006188668 2006-07-07
JP2006239474 2006-09-04
PCT/JP2007/056528 WO2007116778A1 (en) 2006-03-27 2007-03-20 Water absorbing resin with improved internal structure and manufacturing method therefor

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2013222170A Division JP2014025075A (ja) 2006-03-27 2013-10-25 内部構造が改善された吸水性樹脂

Publications (2)

Publication Number Publication Date
JP2009531467A true JP2009531467A (ja) 2009-09-03
JP2009531467A5 JP2009531467A5 (enExample) 2012-02-09

Family

ID=38581074

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2007538209A Pending JP2009531467A (ja) 2006-03-27 2007-03-20 内部構造が改善された吸水性樹脂、およびその製造方法
JP2013222170A Pending JP2014025075A (ja) 2006-03-27 2013-10-25 内部構造が改善された吸水性樹脂
JP2015167226A Active JP6340348B2 (ja) 2006-03-27 2015-08-26 内部構造が改善された吸水性樹脂の製造方法

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2013222170A Pending JP2014025075A (ja) 2006-03-27 2013-10-25 内部構造が改善された吸水性樹脂
JP2015167226A Active JP6340348B2 (ja) 2006-03-27 2015-08-26 内部構造が改善された吸水性樹脂の製造方法

Country Status (5)

Country Link
US (1) US8383746B2 (enExample)
EP (1) EP2013251B1 (enExample)
JP (3) JP2009531467A (enExample)
AT (1) ATE524501T1 (enExample)
WO (1) WO2007116778A1 (enExample)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011090130A1 (ja) * 2010-01-20 2011-07-28 株式会社日本触媒 吸水性樹脂の製造方法
WO2012102407A1 (ja) * 2011-01-28 2012-08-02 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
JP2014512440A (ja) * 2011-04-21 2014-05-22 エボニック コーポレーション 改善された性能特性を有する粒子状超吸収性ポリマー組成物
WO2015133440A1 (ja) * 2014-03-03 2015-09-11 株式会社日本触媒 ポリアクリル酸（塩）系吸水性樹脂の製造方法
WO2015199758A1 (en) 2014-06-23 2015-12-30 The Procter & Gamble Company Absorbing articles comprising water absorbing resin and method for producing the same
WO2016158976A1 (ja) * 2015-03-30 2016-10-06 株式会社日本触媒 粒子状吸水剤
US9486778B2 (en) 2013-09-30 2016-11-08 Lg Chem, Ltd. Super absorbent polymer and preparation method thereof
WO2017002972A1 (ja) * 2015-07-01 2017-01-05 株式会社日本触媒 粒子状吸水剤
US10150829B2 (en) 2013-05-13 2018-12-11 Lg Chem, Ltd. Super absorbent polymer and preparation method thereof
US10285866B2 (en) 2015-01-16 2019-05-14 Lg Chem, Ltd. Super absorbent polymer
US10619011B2 (en) 2014-06-23 2020-04-14 Nippon Shokubai Co., Ltd. Absorbent resin and method for producing the same

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005001789A1 (de) * 2005-01-13 2006-07-27 Basf Ag Verfahren zum Klassieren eines teilchenförmigen wasserabsorbierenden Harzes
WO2008126793A1 (ja) * 2007-04-05 2008-10-23 Nippon Shokubai Co., Ltd. 吸水性樹脂を主成分とする粒子状吸水剤
EP2400055A4 (en) * 2009-10-02 2012-12-05 Grandia Oriol Gracia METHOD FOR THE CHEMICAL TREATMENT OF STARCH AS AN ADDITION TO PAPER WEBS
US8623994B2 (en) 2010-01-20 2014-01-07 Nippon Shokubai, Co., Ltd. Method for producing water absorbent resin
EP3115382B1 (en) * 2010-04-07 2019-07-10 Nippon Shokubai Co., Ltd. Method for producing water absorbent polyacrylic acid (salt) resin powder, and water absorbent polyacrylic acid (salt) resin powder
US9279048B2 (en) 2011-05-18 2016-03-08 Basf Se Use of water-absorbing polymer particles for dewatering feces
US10363339B2 (en) 2011-11-15 2019-07-30 Nippon Shokubai Co., Ltd. Water absorbent agent composition and method for producing same, as well as storage and stocking method for same
CN102731802B (zh) * 2012-07-23 2014-10-29 上海华谊丙烯酸有限公司 一种低可溶出物高吸水性树脂产品的制造工艺
WO2014034667A1 (ja) 2012-08-27 2014-03-06 株式会社日本触媒 粒子状吸水剤及びその製造方法
WO2014034897A1 (ja) 2012-08-30 2014-03-06 株式会社日本触媒 粒子状吸水剤及びその製造方法
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
KR101471982B1 (ko) 2013-04-30 2014-12-10 주식회사 엘지화학 고흡수성 수지
KR101750013B1 (ko) 2016-02-19 2017-06-22 주식회사 엘지화학 고흡수성 수지
KR102093352B1 (ko) 2016-12-19 2020-03-25 주식회사 엘지화학 고흡수성 수지의 제조 방법
KR102584203B1 (ko) 2017-12-08 2023-10-05 주식회사 엘지화학 고흡수성 수지 및 이의 제조 방법
CN113301989B (zh) * 2019-01-11 2024-06-14 株式会社日本触媒 吸水剂和吸水剂的制造方法
JP2020172278A (ja) * 2019-04-09 2020-10-22 株式会社日本触媒 含水ゲルを含む包装体の製造方法
US11154839B2 (en) 2019-08-23 2021-10-26 The Procter & Gamble Company Recycling of superabsorbent polymer via UV irradiation in flow system
EP3783055B1 (en) 2019-08-23 2025-12-17 The Procter & Gamble Company Degradation of superabsorbent polymer via oxidative degradation
WO2021042118A1 (en) 2019-08-23 2021-03-04 The Procter & Gamble Company Recycling of superabsorbent polymer with an extensional flow device
EP3783056B1 (en) 2019-08-23 2022-05-11 The Procter & Gamble Company Recycling of superabsorbent polymer via hydrothermal microwave processing
US20230050209A1 (en) * 2020-01-06 2023-02-16 Nippon Shokubai Co., Ltd. Absorbent body, water-absorbing resin, and absorbent article
CN111150503A (zh) * 2020-01-19 2020-05-15 付少平 一种膨胀式牙科间隙楔子及其制造方法
US11746210B2 (en) 2020-06-16 2023-09-05 The Procter & Gamble Company Recycling of superabsorbent polymer with an extensional flow device
US11649336B2 (en) 2020-06-16 2023-05-16 The Procter & Gamble Company Recycling of superabsorbent polymer with an extensional flow device
EP4228577B1 (en) 2020-10-16 2024-12-04 The Procter & Gamble Company Method of producing absorbent hygiene product comprising superabsorbent polymer partly derived from a recycled resource
EP4229122A1 (en) 2020-10-16 2023-08-23 The Procter & Gamble Company Recycling a superabsorbent polymer using hydrothermal treatment
CN116391011A (zh) 2020-11-02 2023-07-04 宝洁公司 使用水热处理再循环用过的吸收性卫生产品或其组分
US12384900B2 (en) 2021-02-22 2025-08-12 The Procter & Gamble Company Recycling of superabsorbent fibers via UV irradiation in flow system
US12152112B2 (en) 2021-02-22 2024-11-26 The Procter & Gamble Company Degradation of superabsorbent fibers via oxidative degradation
US12491548B2 (en) 2021-02-22 2025-12-09 The Procter & Gamble Company Recycling of superabsorbent fibers with an extensional flow device
US12104021B2 (en) 2021-02-22 2024-10-01 The Procter & Gamble Company Recycling of superabsorbent fibers with an extensional flow device
WO2022183184A1 (en) 2021-02-23 2022-09-01 The Procter & Gamble Company Recycling of superabsorbent polymer with a hybrid oxidative degradation and high shear mixing
WO2022265459A1 (ko) * 2021-06-18 2022-12-22 주식회사 엘지화학 고흡수성 수지의 제조 방법 및 고흡수성 수지
KR20230088127A (ko) * 2021-12-10 2023-06-19 에스케이온 주식회사 이차전지용 바인더 이를 포함하는 이차전지용 음극 및 이를 포함하는 리튬 이차전지
US20230332053A1 (en) 2022-04-13 2023-10-19 The Procter & Gamble Company Absorbent Hygiene Product Comprising Recycled Material Made From Used Absorbent Hygiene Product Using Hydrothermal Treatment
EP4508124A1 (en) 2022-04-13 2025-02-19 The Procter & Gamble Company Recycling a used absorbent hygiene product or its components using hydrothermal treatment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1143508A (ja) * 1997-07-29 1999-02-16 Nippon Shokubai Co Ltd 吸水性樹脂および製造方法
JPH11279288A (ja) * 1998-03-31 1999-10-12 Nippon Shokubai Co Ltd 吸水剤の製造方法
WO2001098382A1 (en) * 2000-06-21 2001-12-27 Nippon Shokubai Co., Ltd. Process for production of water-absorbent resin
JP2004359943A (ja) * 2003-05-09 2004-12-24 Nippon Shokubai Co Ltd 吸水性樹脂およびその製造方法

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959569A (en) * 1970-07-27 1976-05-25 The Dow Chemical Company Preparation of water-absorbent articles
US3935099A (en) * 1974-04-03 1976-01-27 The United States Of America As Represented By The Secretary Of Agriculture Method of reducing water content of emulsions, suspensions, and dispersions with highly absorbent starch-containing polymeric compositions
JPS51125468A (en) * 1975-03-27 1976-11-01 Sanyo Chem Ind Ltd Method of preparing resins of high water absorbency
JPS5265597A (en) * 1975-11-27 1977-05-31 Sumitomo Chem Co Ltd Preparation of high polimeric materials with improved water absorption
JPS5346389A (en) * 1976-10-07 1978-04-25 Kao Corp Preparation of self-crosslinking polymer of acrylic alkali metal salt
JPS6056724B2 (ja) * 1980-10-22 1985-12-11 株式会社クラレ 吸水性樹脂の製造方法
GB2088392B (en) * 1980-12-03 1984-05-02 Sumitomo Chemical Co Production of hydrogels
JPS57158209A (en) * 1981-03-25 1982-09-30 Kao Corp Production of bead-form highly water-absorbing polymer
US4625001A (en) * 1984-09-25 1986-11-25 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for continuous production of cross-linked polymer
JPS6187702A (ja) * 1984-10-05 1986-05-06 Seitetsu Kagaku Co Ltd 吸水性樹脂の製造方法
US4748076A (en) * 1985-02-16 1988-05-31 Hayashikane Shipbuilding & Engineering Co., Ltd. Water absorbent fibrous product and a method of producing the same
JPS61275355A (ja) * 1985-05-29 1986-12-05 Kao Corp 吸収性物品
US4654039A (en) * 1985-06-18 1987-03-31 The Proctor & Gamble Company Hydrogel-forming polymer compositions for use in absorbent structures
US4690996A (en) * 1985-08-28 1987-09-01 National Starch And Chemical Corporation Inverse emulsions
DE3537276A1 (de) * 1985-10-19 1987-04-23 Basf Ag Verfahren zur kontinuierlichen herstellung von vernetzten feinteiligen gelfoermigen polymerisaten
DE3609545A1 (de) * 1986-03-21 1987-09-24 Basf Ag Verfahren zur diskontinuierlichen herstellung von vernetzten, feinteiligen polymerisaten
JPH0647626B2 (ja) * 1986-07-01 1994-06-22 三菱油化株式会社 吸水性複合材料の製造法
US5241009A (en) 1990-05-07 1993-08-31 Kimberly-Clark Corporation Polymeric composition containing carboxy nueutralized with lithium or potassium
US5478879A (en) * 1991-01-22 1995-12-26 Nippon Shokubai Co., Ltd. Method for production of absorbent resin
TW241279B (enExample) * 1991-02-01 1995-02-21 Catalyst co ltd
US5250640A (en) * 1991-04-10 1993-10-05 Nippon Shokubai Co., Ltd. Method for production of particulate hydrogel polymer and absorbent resin
CA2076945C (en) * 1991-09-11 2002-10-08 Shannon Kathleen Byerly Absorbent composites and absorbent articles containing same
US5610208A (en) 1994-02-17 1997-03-11 Nippon Shokubai Co., Ltd. Water-absorbent agent, method for production thereof, and water-absorbent composition
US5849405A (en) * 1994-08-31 1998-12-15 The Procter & Gamble Company Absorbent materials having improved absorbent property and methods for making the same
DE19646484C2 (de) 1995-11-21 2000-10-19 Stockhausen Chem Fab Gmbh Flüssigkeitsabsorbierende Polymere, Verfahren zu deren Herstellung und deren Verwendung
WO1997024394A1 (fr) * 1995-12-27 1997-07-10 Nippon Shokubai Co., Ltd. Produit absorbant l'eau, procede et appareil de fabrication
US6107358A (en) * 1996-08-23 2000-08-22 Nippon Shokubai Co., Ltd. Water-absorbent resin and method for production thereof
JP4198265B2 (ja) * 1998-04-15 2008-12-17 株式会社日本触媒 吸水性樹脂の製造方法
DE19854575A1 (de) 1998-11-26 2000-05-31 Basf Ag Vernetzte quellfähige Polymere
JP4132592B2 (ja) 1999-06-25 2008-08-13 株式会社日本触媒 吸水性樹脂およびその製造方法
US6906159B2 (en) * 2000-08-03 2005-06-14 Nippon Shokubai Co., Ltd. Water-absorbent resin, hydropolymer, process for producing them, and uses of them
US7393908B2 (en) * 2000-10-19 2008-07-01 Basf Aktiengesellschaft Cross-linked, water-swellable polymer and method for producing the same
ATE284903T1 (de) 2000-12-29 2005-01-15 Dow Global Technologies Inc Wasserabsorbierende harzteilchen aus vernetzten carboxylgruppenhaltigen polymeren mit geringem monomergehalt
KR100504592B1 (ko) * 2001-12-19 2005-08-03 니폰 쇼쿠바이 컴파니 리미티드 수흡수성 수지 및 그의 제조방법
AU2003245436A1 (en) 2003-01-23 2004-08-23 The Trustees Of Columbia University In The City Of New York Old-35, a gene associated with senescence and terminal cell differentiation, and uses thereof
DE602004005830T2 (de) 2003-02-10 2008-01-10 Nippon Shokubai Co. Ltd. Teilchenförmiges wasserabsorbierendes Material
JP4979879B2 (ja) * 2003-02-10 2012-07-18 株式会社日本触媒 吸水剤およびそれを用いた衛生材料
TWI302541B (en) * 2003-05-09 2008-11-01 Nippon Catalytic Chem Ind Water-absorbent resin and its production process
KR100709911B1 (ko) * 2003-06-24 2007-04-24 니폰 쇼쿠바이 컴파니 리미티드 흡수성 수지 조성물 및 이의 제조 방법
EP1493453B1 (en) * 2003-06-30 2010-12-22 The Procter & Gamble Company Absorbent comprising coated super-absorbent polymer particles
CN100391548C (zh) 2003-09-19 2008-06-04 株式会社日本触媒 吸水剂及其制备方法
JP2005288265A (ja) * 2004-03-31 2005-10-20 Procter & Gamble Co 水性液吸収剤およびその製造方法
WO2006033477A1 (en) * 2004-09-24 2006-03-30 Nippon Shokubai Co., Ltd. Particulate water-absorbing agent containing water-absorbent resin as a main component
JP5014607B2 (ja) * 2004-09-24 2012-08-29 株式会社日本触媒 吸水性樹脂を主成分とする粒子状吸水剤
CN104086938B (zh) 2005-02-15 2017-09-19 株式会社日本触媒 水吸收剂、水吸收制品和生产水吸收剂的制品
US8481664B2 (en) 2005-04-12 2013-07-09 Nippon Shokubai Co., Ltd. Particulate water absorbing agent including polyacrylic acid (polyacrylate) based water absorbing resin as a principal component, method for production thereof, water-absorbent core and absorbing article in which the particulate water absorbing agent is used
TW200712114A (en) * 2005-09-30 2007-04-01 Nippon Catalytic Chem Ind Method for manufacturing particulate water-absorbing agent and particulate water-absorbing agent

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1143508A (ja) * 1997-07-29 1999-02-16 Nippon Shokubai Co Ltd 吸水性樹脂および製造方法
JPH11279288A (ja) * 1998-03-31 1999-10-12 Nippon Shokubai Co Ltd 吸水剤の製造方法
WO2001098382A1 (en) * 2000-06-21 2001-12-27 Nippon Shokubai Co., Ltd. Process for production of water-absorbent resin
JP2004359943A (ja) * 2003-05-09 2004-12-24 Nippon Shokubai Co Ltd 吸水性樹脂およびその製造方法

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2527391A4 (en) * 2010-01-20 2014-10-01 Nippon Catalytic Chem Ind METHOD FOR PRODUCING A WATER ABSORBENT RESIN
EP2527391B1 (en) * 2010-01-20 2023-08-09 Nippon Shokubai Co., Ltd. Method for producing water absorbent resin
US9321855B2 (en) 2010-01-20 2016-04-26 Nippon Shokubai Co., Ltd. Method for producing water absorbent resin
WO2011090130A1 (ja) * 2010-01-20 2011-07-28 株式会社日本触媒 吸水性樹脂の製造方法
US9567414B2 (en) 2011-01-28 2017-02-14 Nippon Shokubai Co., Ltd. Method for producing polyacrylic acid (salt)-based water absorbent resin powder
WO2012102407A1 (ja) * 2011-01-28 2012-08-02 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
JPWO2012102407A1 (ja) * 2011-01-28 2014-07-03 株式会社日本触媒 ポリアクリル酸（塩）系吸水性樹脂粉末の製造方法
JP2015120933A (ja) * 2011-01-28 2015-07-02 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
JP2014512440A (ja) * 2011-04-21 2014-05-22 エボニック コーポレーション 改善された性能特性を有する粒子状超吸収性ポリマー組成物
US10889673B2 (en) 2013-05-13 2021-01-12 Lg Chem, Ltd. Super absorbent polymer and preparation method thereof
US10150829B2 (en) 2013-05-13 2018-12-11 Lg Chem, Ltd. Super absorbent polymer and preparation method thereof
US9808787B2 (en) 2013-09-30 2017-11-07 Lg Chem, Ltd. Super absorbent polymer and preparation method thereof
US9486778B2 (en) 2013-09-30 2016-11-08 Lg Chem, Ltd. Super absorbent polymer and preparation method thereof
KR102402261B1 (ko) 2014-03-03 2022-05-26 가부시키가이샤 닛폰 쇼쿠바이 폴리아크릴산(염)계 흡수성 수지의 제조 방법
JPWO2015133440A1 (ja) * 2014-03-03 2017-04-06 株式会社日本触媒 ポリアクリル酸（塩）系吸水性樹脂の製造方法
WO2015133440A1 (ja) * 2014-03-03 2015-09-11 株式会社日本触媒 ポリアクリル酸（塩）系吸水性樹脂の製造方法
KR20160128350A (ko) * 2014-03-03 2016-11-07 가부시키가이샤 닛폰 쇼쿠바이 폴리아크릴산(염)계 흡수성 수지의 제조 방법
US9896529B2 (en) 2014-03-03 2018-02-20 Nippon Shokubai Co., Ltd. Method for producing polyacrylic acid (salt)-based water-absorbable resin
WO2015199758A1 (en) 2014-06-23 2015-12-30 The Procter & Gamble Company Absorbing articles comprising water absorbing resin and method for producing the same
JP2017521545A (ja) * 2014-06-23 2017-08-03 ザ プロクター アンド ギャンブル カンパニー 吸水性樹脂を含む吸収性物品、及びその製造方法
US10619011B2 (en) 2014-06-23 2020-04-14 Nippon Shokubai Co., Ltd. Absorbent resin and method for producing the same
US10285866B2 (en) 2015-01-16 2019-05-14 Lg Chem, Ltd. Super absorbent polymer
US11286321B2 (en) 2015-01-16 2022-03-29 Lg Chem, Ltd. Super absorbent polymer
WO2016158976A1 (ja) * 2015-03-30 2016-10-06 株式会社日本触媒 粒子状吸水剤
US10280297B2 (en) 2015-03-30 2019-05-07 Nippon Shokubai Co., Ltd. Particulate water-absorbing agent
EP3278873A4 (en) * 2015-03-30 2018-12-05 Nippon Shokubai Co., Ltd. Particulate water-absorbing agent
JPWO2016158976A1 (ja) * 2015-03-30 2018-03-01 株式会社日本触媒 粒子状吸水剤
US10532341B2 (en) 2015-07-01 2020-01-14 Nippon Shokubai Co., Ltd. Particulate water absorbing agent
KR20180022883A (ko) * 2015-07-01 2018-03-06 가부시키가이샤 닛폰 쇼쿠바이 입자상 흡수제
WO2017002972A1 (ja) * 2015-07-01 2017-01-05 株式会社日本触媒 粒子状吸水剤
KR102528087B1 (ko) 2015-07-01 2023-05-03 가부시키가이샤 닛폰 쇼쿠바이 입자상 흡수제
JPWO2017002972A1 (ja) * 2015-07-01 2018-04-12 株式会社日本触媒 粒子状吸水剤

Also Published As

Publication number Publication date
US20090208748A1 (en) 2009-08-20
EP2013251B1 (en) 2011-09-14
JP2015221910A (ja) 2015-12-10
WO2007116778A1 (en) 2007-10-18
US8383746B2 (en) 2013-02-26
EP2013251A1 (en) 2009-01-14
JP6340348B2 (ja) 2018-06-06
JP2014025075A (ja) 2014-02-06
ATE524501T1 (de) 2011-09-15
EP2013251A4 (en) 2009-04-01

Similar Documents

Publication Publication Date Title
JP6340348B2 (ja) 内部構造が改善された吸水性樹脂の製造方法
JP5128098B2 (ja) 粒子状吸水剤の製造方法および粒子状吸水剤
JP6557721B2 (ja) 粒子状吸水剤
JP4683405B2 (ja) 吸水性樹脂組成物とその製造方法
US7179862B2 (en) Powdery, cross-linked absorbent polymers method for the production thereof and their use
US6605673B1 (en) Powdery, cross-linked polymers which absorb aqueous liquids and blood, method for the production thereof and their use
JP5972853B2 (ja) 吸水剤及びその製造方法
RU2299075C2 (ru) Гигроскопическая добавка
CN101410424B (zh) 具有改进的内部结构的吸水树脂及其制备方法
US8846823B2 (en) Water absorbing agent and production method thereof
KR20150048785A (ko) 입자상 흡수제 및 그의 제조 방법
JP4776969B2 (ja) 吸水剤およびその製造方法
JP2010234368A (ja) 吸水剤およびそれを用いた衛生材料
JP2007529295A (ja) 水性液吸収剤およびその製法
WO2017002972A1 (ja) 粒子状吸水剤
JP4722545B2 (ja) 吸水性樹脂組成物とその製造方法
JP4722546B2 (ja) 吸水性樹脂組成物とその製造方法

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20091005

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100913

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20111214

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20121127

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130128

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20130827

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20131224