DE19909653A1 - Pulverförmige, vernetzte, wässrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung - Google Patents

Pulverförmige, vernetzte, wässrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung

Info

Publication number
DE19909653A1
DE19909653A1 DE19909653A DE19909653A DE19909653A1 DE 19909653 A1 DE19909653 A1 DE 19909653A1 DE 19909653 A DE19909653 A DE 19909653A DE 19909653 A DE19909653 A DE 19909653A DE 19909653 A1 DE19909653 A1 DE 19909653A1
Authority
DE
Germany
Prior art keywords
polymer
weight
water
post
polymer according
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.)
Withdrawn
Application number
DE19909653A
Other languages
German (de)
English (en)
Inventor
Richard Mertens
Joerg Harren
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.)
Evonik Operations GmbH
Original Assignee
Stockhausen GmbH and Co KG
Chemische Fabrik Stockhausen GmbH
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=7899785&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE19909653(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stockhausen GmbH and Co KG, Chemische Fabrik Stockhausen GmbH filed Critical Stockhausen GmbH and Co KG
Priority to DE19909653A priority Critical patent/DE19909653A1/de
Priority to AU38070/00A priority patent/AU760748B2/en
Priority to DE50001975T priority patent/DE50001975D1/de
Priority to EP00916874.1A priority patent/EP1169372B2/de
Priority to AT00916874T priority patent/ATE239049T1/de
Priority to KR1020017011202A priority patent/KR100949526B1/ko
Priority to PCT/EP2000/001609 priority patent/WO2000053664A1/de
Priority to CNB008046123A priority patent/CN1200961C/zh
Priority to BRPI0008737-8A priority patent/BR0008737B1/pt
Priority to KR1020067012964A priority patent/KR20060087615A/ko
Priority to RU2001126352/04A priority patent/RU2243238C2/ru
Priority to US09/914,466 priority patent/US6620889B1/en
Priority to PL00350513A priority patent/PL350513A1/xx
Priority to CN2005100547033A priority patent/CN1683442B/zh
Priority to CZ20013129A priority patent/CZ20013129A3/cs
Priority to KR1020077023643A priority patent/KR20070108281A/ko
Priority to JP2000603298A priority patent/JP5342726B2/ja
Priority to CA002362451A priority patent/CA2362451C/en
Priority to TW089103766A priority patent/TWI251004B/zh
Priority to TW093101514A priority patent/TWI290155B/zh
Publication of DE19909653A1 publication Critical patent/DE19909653A1/de
Priority to US10/455,394 priority patent/US7179862B2/en
Priority to US11/673,137 priority patent/US8445596B2/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/245—Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
    • 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
    • A61L15/48—Surfactants
    • 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
    • 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
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2312/00—Crosslinking

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Analytical Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Graft Or Block Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE19909653A 1999-03-05 1999-03-05 Pulverförmige, vernetzte, wässrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung Withdrawn DE19909653A1 (de)

Priority Applications (22)

Application Number Priority Date Filing Date Title
DE19909653A DE19909653A1 (de) 1999-03-05 1999-03-05 Pulverförmige, vernetzte, wässrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung
CA002362451A CA2362451C (en) 1999-03-05 2000-02-26 Powdery, cross-linked absorbent polymers, method for the production thereof, and their use
RU2001126352/04A RU2243238C2 (ru) 1999-03-05 2000-02-26 Порошкообразные, сшитые, абсорбирующие полимеры, способ их получения и их применение
PL00350513A PL350513A1 (en) 1999-03-05 2000-02-26 Powdery, cross-linked absorbent polymers, method for the production thereof and their use
EP00916874.1A EP1169372B2 (de) 1999-03-05 2000-02-26 Pulverförmige, vernetzte, absorbierende polymere, verfahren zu ihrer herstellung und ihre verwendung
AT00916874T ATE239049T1 (de) 1999-03-05 2000-02-26 Pulverförmige, vernetzte, absorbierende polymere, verfahren zu ihrer herstellung und ihre verwendung
KR1020017011202A KR100949526B1 (ko) 1999-03-05 2000-02-26 분말형 가교 흡수성 중합체, 이것의 제조 방법 및 용도
PCT/EP2000/001609 WO2000053664A1 (de) 1999-03-05 2000-02-26 Pulverförmige, vernetzte, absorbierende polymere, verfahren zu ihrer herstellung und ihre verwendung
CNB008046123A CN1200961C (zh) 1999-03-05 2000-02-26 粉末状交联的吸收性聚合物、其制备方法及其应用
BRPI0008737-8A BR0008737B1 (pt) 1999-03-05 2000-02-26 polÍmeros reticulados, em forma de pà, absorvedores, processos para produÇço dos mesmos e sua utilizaÇço.
KR1020067012964A KR20060087615A (ko) 1999-03-05 2000-02-26 분말형 가교 흡수성 중합체, 이것의 제조 방법 및 용도
AU38070/00A AU760748B2 (en) 1999-03-05 2000-02-26 Powdery, cross-linked absorbent polymers, method for the production thereof and their use
US09/914,466 US6620889B1 (en) 1999-03-05 2000-02-26 Powdery, crosslinked absorbent polymers, method for the production thereof, and their use
DE50001975T DE50001975D1 (de) 1999-03-05 2000-02-26 Pulverförmige, vernetzte, absorbierende polymere, verfahren zu ihrer herstellung und ihre verwendung
CN2005100547033A CN1683442B (zh) 1999-03-05 2000-02-26 粉末状交联的吸收性聚合物、其制备方法及其应用
CZ20013129A CZ20013129A3 (cs) 1999-03-05 2000-02-26 Práąkovité zesítěné absorpční polymery, způsob jejich výroby a jejich pouľití
KR1020077023643A KR20070108281A (ko) 1999-03-05 2000-02-26 분말형 가교 흡수성 중합체, 이것의 제조 방법 및 용도
JP2000603298A JP5342726B2 (ja) 1999-03-05 2000-02-26 水性液体および血液を吸収する粉末状の架橋吸収性ポリマー、その製造方法および使用
TW093101514A TWI290155B (en) 1999-03-05 2000-03-03 Hygiene article comprising an absorbent polymer
TW089103766A TWI251004B (en) 1999-03-05 2000-03-03 Powdered, crosslinked polymers which absorb aqueous liquids, as well as blood, a process for producing same, and their use
US10/455,394 US7179862B2 (en) 1999-03-05 2003-06-06 Powdery, cross-linked absorbent polymers method for the production thereof and their use
US11/673,137 US8445596B2 (en) 1999-03-05 2007-02-09 Powdery, cross-linked absorbent polymers, method for the production thereof, and their use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19909653A DE19909653A1 (de) 1999-03-05 1999-03-05 Pulverförmige, vernetzte, wässrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung

Publications (1)

Publication Number Publication Date
DE19909653A1 true DE19909653A1 (de) 2000-09-07

Family

ID=7899785

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19909653A Withdrawn DE19909653A1 (de) 1999-03-05 1999-03-05 Pulverförmige, vernetzte, wässrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung
DE50001975T Expired - Lifetime DE50001975D1 (de) 1999-03-05 2000-02-26 Pulverförmige, vernetzte, absorbierende polymere, verfahren zu ihrer herstellung und ihre verwendung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE50001975T Expired - Lifetime DE50001975D1 (de) 1999-03-05 2000-02-26 Pulverförmige, vernetzte, absorbierende polymere, verfahren zu ihrer herstellung und ihre verwendung

Country Status (15)

Country Link
US (3) US6620889B1 (https=)
EP (1) EP1169372B2 (https=)
JP (1) JP5342726B2 (https=)
KR (3) KR100949526B1 (https=)
CN (2) CN1683442B (https=)
AT (1) ATE239049T1 (https=)
AU (1) AU760748B2 (https=)
BR (1) BR0008737B1 (https=)
CA (1) CA2362451C (https=)
CZ (1) CZ20013129A3 (https=)
DE (2) DE19909653A1 (https=)
PL (1) PL350513A1 (https=)
RU (1) RU2243238C2 (https=)
TW (2) TWI290155B (https=)
WO (1) WO2000053664A1 (https=)

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001089591A3 (en) * 2000-05-25 2002-06-13 Basf Ag Surface-treated superabsorbent polymer particles
WO2002053198A1 (de) * 2000-12-29 2002-07-11 Basf Aktiengesellschaft Aborbierende zusammensetzungen
DE10125599A1 (de) * 2001-05-25 2002-11-28 Stockhausen Chem Fab Gmbh Superabsorber, Verfahren zu ihrer Herstellung und ihre Verwendung
DE10249822A1 (de) * 2002-10-25 2004-05-13 Stockhausen Gmbh & Co. Kg Zweistufiges Mischverfahren zur Herstellung eines absorbierenden Polymers
WO2006111404A3 (de) * 2005-04-22 2007-05-10 Stockhausen Chem Fab Gmbh Oberflächennachvernetzte superabsorber behandelt mit metallsalz und metalloxid
WO2006111402A3 (de) * 2005-04-22 2007-06-14 Stockhausen Chem Fab Gmbh Oberflächennachvernetzte superabsorber behandelt mit metallsalz und metalloxid
WO2007074108A1 (en) * 2005-12-28 2007-07-05 Basf Se Process for production of a water-absorbing material
DE102006061005A1 (de) 2006-12-22 2008-07-03 Admedes Schuessler Gmbh Vorrichtung und Verfahren zum Komprimieren von Mikrostents
WO2008092842A1 (de) * 2007-01-29 2008-08-07 Basf Se VERFAHREN ZUR HERSTELLUNG WEIßER UND FARBSTABILER WASSERABSORBIERENDER POLYMERPARTIKEL MIT HOHEM ABSORPTIONSVERMÖGEN UND HOHER FLÜSSIGKEITSLEITFÄHIGKEIT
EP1594608A4 (en) * 2003-02-10 2008-12-31 Nippon Catalytic Chem Ind PARTICLE WATER ABSORPTION AGENT CONTAINING WATER ABSORBENT RESIN AS A MAIN COMPONENT
WO2007121941A3 (de) * 2006-04-21 2009-01-15 Evonik Stockhausen Gmbh Oberflächennachvernetzte superabsorber behandelt mit organischen und anorganischen feinstteilchen
WO2007121937A3 (de) * 2006-04-21 2009-02-26 Evonik Stockhausen Gmbh Oberflächennachvernetzte superabsorber behandelt mit aluminiumlactat und optional aluminiumsulfat
DE102007045724A1 (de) 2007-09-24 2009-04-02 Evonik Stockhausen Gmbh Superabsorbierende Zusammensetzung mit Tanninen zur Geruchskontrolle
EP1869119A4 (en) * 2005-04-12 2009-05-27 Nippon Catalytic Chem Ind PARTICLE WATER ABSORBENT MEDIUM CONTAINING WATER ABSORBENT RESIN BASED ON POLYACRYLIC ACID (POLYACRYLATE) AS MAIN COMPONENT, METHOD OF MANUFACTURING THEREOF, WATER ABSORBENT CORE, AND ABSORBENT ARTICLE IN WHICH PARTICULATE WATER ABSORBENT MEDIUM IS USED
US7541395B2 (en) 2002-10-25 2009-06-02 Evonik Stockhausen Gmbh Two-step mixing process for producing an absorbent polymer
US7867623B2 (en) 2003-10-31 2011-01-11 Basf Aktiengesellschaft Polymeric particles capable of absorbing blood and/or body fluids
EP2615120A1 (en) * 2012-01-12 2013-07-17 Evonik Degussa GmbH Process for the continuous preparation of water-absorbent polymers
EP2615119A1 (en) * 2012-01-12 2013-07-17 Evonik Degussa GmbH Cooling neutralized acrylic acid by means of an absorption chiller
EP2614841A1 (en) * 2012-01-12 2013-07-17 Evonik Industries AG Process for the continuous preparation of water-absorbent polymers
US8653320B2 (en) 2005-11-18 2014-02-18 Evonik Degussa Gmbh Deodorizing super-absorbent composition
US8686216B2 (en) 2008-03-05 2014-04-01 Evonik Degussa Gmbh Superabsorbent composition with metal salicylate for odor control
DE102013203779A1 (de) 2013-03-06 2014-09-11 Evonik Industries Ag Superabsorbierende Polymere mit verbesserter Geruchskontrolleigenschaft sowie Verfahren zu dessen Herstellung
DE102013203781A1 (de) 2013-03-06 2014-09-11 Evonik Industries Ag Superabsorbierende Polymere mit verbesserten Eigenschaften, insbesondere Geruchskontrolle und Farbbeständigkeit, sowie Verfahren zu dessen Herstellung
EP2915548A1 (de) 2014-03-05 2015-09-09 Evonik Degussa GmbH Superabsorbierende Polymere mit verbesserter Geruchskontrolleigenschaft sowie Verfahren zu deren Herstellung
WO2020148664A1 (fr) 2019-01-18 2020-07-23 Aprotek Polymère superabsorbant permettant d'accelerer la degradation des dechets d'origine organique
FR3092347A1 (fr) 2019-02-06 2020-08-07 Aprotek Nouvel article absorbant pour la retention d’eau
WO2023041427A1 (fr) 2021-09-17 2023-03-23 Aprotek Nouvelle composition à base d'un polymère superabsorbant et de fer permettant d'accélérer la dégradation des déchets d'origine organique

Families Citing this family (119)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19909653A1 (de) * 1999-03-05 2000-09-07 Stockhausen Chem Fab Gmbh Pulverförmige, vernetzte, wässrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung
DE19909838A1 (de) * 1999-03-05 2000-09-07 Stockhausen Chem Fab Gmbh Pulverförmige, vernetzte, wässrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung
DE10043710B4 (de) 2000-09-04 2015-01-15 Evonik Degussa Gmbh Verwendung pulverförmiger an der Oberfläche nachvernetzter Polymerisate und Hygieneartikel
US8007884B2 (en) * 2000-10-25 2011-08-30 Synergistic Ventures, Inc. Irrigation, erosion control, root growth control and clean-up techniques
DE10118020A1 (de) * 2001-04-10 2002-10-17 Stockhausen Chem Fab Gmbh Löschwasser-Additive
CN1277583C (zh) * 2001-06-08 2006-10-04 株式会社日本触媒 吸水剂及其制备方法,以及卫生材料
CN100346843C (zh) 2003-02-10 2007-11-07 株式会社日本触媒 吸水剂
EP1594557B1 (en) * 2003-02-10 2019-05-01 Nippon Shokubai Co., Ltd. Water-absorbent resin composition and its production process
EP1462473B1 (en) * 2003-03-14 2011-07-06 Nippon Shokubai Co., Ltd. Surface crosslinking method of water-absorbing resin powder
ATE398643T1 (de) * 2003-04-03 2008-07-15 Basf Se Gemische von (meth)acrylester von polyalkoxyliertem trimethylolpropan
CN100506781C (zh) * 2003-04-03 2009-07-01 巴斯福股份公司 包含至少两根双键的化合物的混合物及其用途
BRPI0411370B1 (pt) 2003-06-24 2018-04-10 Nippon Shokubai Co., Ltd. Composição de resina absorvente de água, absorvente, artigo absorvente, método para produzir uma composição de resina absorvente de água
DE10331192A1 (de) 2003-07-10 2005-02-03 Paul Hartmann Ag Hautfreundliches Einwegprodukt
JP4746292B2 (ja) * 2003-09-12 2011-08-10 株式会社日本触媒 吸水性樹脂組成物の製造方法
EP1516884B2 (en) * 2003-09-19 2023-02-22 Nippon Shokubai Co., Ltd. Water-absorbent resin having treated surface and process for producing the same
WO2005027986A1 (en) * 2003-09-19 2005-03-31 Nippon Shokubai Co., Ltd. Water absorbent and producing method of same
US7579402B2 (en) * 2003-11-12 2009-08-25 Evonik Stockhausen, Inc. Superabsorbent polymer having delayed free water absorption
DE102004009438A1 (de) 2004-02-24 2005-09-15 Basf Ag Verfahren zur Oberflächennachvernetzung wasserabsorbierender Polymere
CN1946478A (zh) * 2004-02-27 2007-04-11 阿部富士男 湿度调节剂以及使用该湿度调节剂调节湿度的方法
US8846823B2 (en) * 2004-05-07 2014-09-30 Nippon Shokubai Co., Ltd. Water absorbing agent and production method thereof
US20050288182A1 (en) * 2004-06-18 2005-12-29 Kazushi Torii Water absorbent resin composition and production method thereof
DE102004051242A1 (de) * 2004-10-20 2006-05-04 Basf Ag Feinteilige wasserabsorbierende Polymerpartikel mit hoher Flüssigkeitstransport- und Absorptionsleistung
DE102005010198A1 (de) * 2005-03-05 2006-09-07 Degussa Ag Hydrolysestabile, nachvernetzte Superabsorber
TW200635969A (en) * 2005-04-06 2006-10-16 Nippon Catalytic Chem Ind Particulate water absorbing agent, water-absorbent core and absorbing article
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
CN100348648C (zh) * 2005-06-14 2007-11-14 济南昊月树脂有限公司 聚丙烯酸钠吸水树脂表面改性方法
CA2613861C (en) * 2005-06-30 2011-02-22 M-I Llc Brine based fluid loss pills comprising crosslinked polymer gels and solid salt particles
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US20070129495A1 (en) 2007-06-07
RU2243238C2 (ru) 2004-12-27
JP2002538275A (ja) 2002-11-12
PL350513A1 (en) 2002-12-16
BR0008737A (pt) 2002-01-02
AU760748B2 (en) 2003-05-22
TW200411006A (en) 2004-07-01
CN1683442B (zh) 2010-09-08
KR100949526B1 (ko) 2010-03-25
EP1169372B2 (de) 2018-10-31
TWI290155B (en) 2007-11-21
WO2000053664A1 (de) 2000-09-14

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