DE69122643T2 - Verfahren zur Oberflächenbehandlung absorbierender Harze - Google Patents

Verfahren zur Oberflächenbehandlung absorbierender Harze

Info

Publication number
DE69122643T2
DE69122643T2 DE69122643T DE69122643T DE69122643T2 DE 69122643 T2 DE69122643 T2 DE 69122643T2 DE 69122643 T DE69122643 T DE 69122643T DE 69122643 T DE69122643 T DE 69122643T DE 69122643 T2 DE69122643 T2 DE 69122643T2
Authority
DE
Germany
Prior art keywords
absorbent resin
weight
parts
resin powder
polyhydric alcohol
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
DE69122643T
Other languages
English (en)
Other versions
DE69122643D1 (de
Inventor
Kazumasa Kimura
Takumi Hatsuda
Kinya Nagasuna
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 DE69122643D1 publication Critical patent/DE69122643D1/de
Application granted granted Critical
Publication of DE69122643T2 publication Critical patent/DE69122643T2/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
    • 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
    • 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
    • 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
    • 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
    • C08F8/14—Esterification
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified 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
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/20—Chemical modification of a polymer leading to a crosslinking, either explicitly or inherently
    • 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
DE69122643T 1990-04-02 1991-04-02 Verfahren zur Oberflächenbehandlung absorbierender Harze Expired - Lifetime DE69122643T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/502,735 US5164459A (en) 1990-04-02 1990-04-02 Method for treating the surface of an absorbent resin

Publications (2)

Publication Number Publication Date
DE69122643D1 DE69122643D1 (de) 1996-11-21
DE69122643T2 true DE69122643T2 (de) 1997-02-20

Family

ID=23999166

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69122643T Expired - Lifetime DE69122643T2 (de) 1990-04-02 1991-04-02 Verfahren zur Oberflächenbehandlung absorbierender Harze

Country Status (19)

Country Link
US (1) US5164459A (de)
EP (1) EP0450924B1 (de)
JP (1) JP2539958B2 (de)
KR (1) KR0143403B1 (de)
CN (1) CN1029125C (de)
AT (1) ATE144152T1 (de)
AU (1) AU634642B2 (de)
BR (1) BR9101310A (de)
CA (1) CA2039087A1 (de)
CS (1) CS86291A2 (de)
DE (1) DE69122643T2 (de)
ES (1) ES2092546T3 (de)
FI (1) FI911524A (de)
HU (1) HUT60303A (de)
IE (1) IE911073A1 (de)
MA (1) MA22107A1 (de)
PL (1) PL289710A1 (de)
PT (1) PT97231A (de)
TW (1) TW215098B (de)

Families Citing this family (115)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9107952D0 (en) * 1991-04-15 1991-05-29 Dow Rheinmuenster Surface crosslinked and surfactant coated absorbent resin particles and method of preparation
DE4116428C2 (de) * 1991-05-18 1995-04-13 Stockhausen Chem Fab Gmbh Pulverförmiges Absorptionsmittel für wässrige Flüssigkeiten auf Basis eines wasserquellbaren Polymeren
CA2086031A1 (en) * 1992-01-28 1993-07-29 Shigeki Ueda Process for producing improved water absorbing resin and resin made by the same
US6340411B1 (en) 1992-08-17 2002-01-22 Weyerhaeuser Company Fibrous product containing densifying agent
US5998032A (en) 1992-08-17 1999-12-07 Weyerhaeuser Company Method and compositions for enhancing blood absorbence by superabsorbent materials
JP3539957B2 (ja) 1992-08-17 2004-07-07 ウェヤーハウザー・カンパニー 粒子バインダー
US5324561A (en) * 1992-10-02 1994-06-28 The Procter & Gamble Company Porous, absorbent macrostructures of bonded absorbent particles surface crosslinked with cationic amino-epichlorohydrin adducts
US5447727A (en) * 1992-10-14 1995-09-05 The Dow Chemical Company Water-absorbent polymer having improved properties
BR9307292A (pt) * 1992-10-14 1999-06-01 Dow Chemical Co Material absorvente de água polimérico processo para preparar um material absorvente de fluideo aquoso material absorvente de fluideo aquoso material absorvente de fluido aquoso e método para usar um material absorvente de fluido aquoso
JP2675729B2 (ja) * 1992-12-16 1997-11-12 株式会社日本触媒 吸水性樹脂の製造方法
DE4244548C2 (de) * 1992-12-30 1997-10-02 Stockhausen Chem Fab Gmbh Pulverförmige, unter Belastung wäßrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung in textilen Konstruktionen für die Körperhygiene
JP3414778B2 (ja) * 1993-01-26 2003-06-09 株式会社日本触媒 吸水性樹脂の表面処理方法
JP3281110B2 (ja) * 1993-04-23 2002-05-13 三菱化学株式会社 高吸水性ポリマー組成物
US5314420A (en) † 1993-09-17 1994-05-24 Nalco Chemical Company Superabsorbent polymer having improved absorption rate and absorption under pressure
US5868724A (en) * 1993-10-22 1999-02-09 The Procter & Gamble Company Non-continuous absorbent cores comprising a porous macrostructure of absorbent gelling particles
US5977014A (en) * 1993-10-22 1999-11-02 The Procter & Gamble Company Absorbent composite structure formed of a substrate and cross-linkable hydrogel polymer particles
WO1995022357A1 (en) * 1994-02-17 1995-08-24 The Procter & Gamble Company Porous absorbent materials having modified surface characteristics and methods for making the same
US5843575A (en) * 1994-02-17 1998-12-01 The Procter & Gamble Company Absorbent members comprising absorbent material having improved absorbent property
US5849405A (en) * 1994-08-31 1998-12-15 The Procter & Gamble Company Absorbent materials having improved absorbent property and methods for making the same
US5599335A (en) * 1994-03-29 1997-02-04 The Procter & Gamble Company Absorbent members for body fluids having good wet integrity and relatively high concentrations of hydrogel-forming absorbent polymer
US5372766A (en) * 1994-03-31 1994-12-13 The Procter & Gamble Company Flexible, porous, absorbent, polymeric macrostructures and methods of making the same
GB9413619D0 (en) * 1994-07-06 1994-08-24 American Colloid Co Method of increasing the size and/or absorption under load of super-absorbent polymers by surface cross-linking
EP0700673B1 (de) * 1994-09-09 2002-03-27 The Procter & Gamble Company Methode zur Herstellung einer absorbierenden Struktur
US5486569A (en) * 1994-09-28 1996-01-23 American Colloid Company Method of increasing the size and/or absorption under load of superabsorbent polymers by surface cross-linking and subsequent agglomeration of undersized particcles
EP0789047B1 (de) * 1994-10-26 2005-12-21 Nippon Shokubai Co., Ltd. Wasserabsorbierende harzzusammensetzung und verfahren zu ihrer herstellung
US6559353B1 (en) * 1995-01-19 2003-05-06 Christopher H. Sheridan Treated disposable articles for reducing skin breakdown
DE69633427T3 (de) * 1995-03-09 2012-06-14 Nippon Shokubai Co. Ltd. Blut absorbierende harzzusammensetzung und absorbierende artikel
JP3335843B2 (ja) * 1995-09-01 2002-10-21 株式会社日本触媒 吸収剤組成物および吸収体、並びに、吸収体を含む吸収物品
JP2000342963A (ja) * 1995-09-01 2000-12-12 Nippon Shokubai Co Ltd 吸収剤組成物およびその製造方法、並びに、吸収剤組成物を含む吸収物品
TW538055B (en) * 1997-04-14 2003-06-21 Nippon Catalytic Chem Ind Pressure-resistant absorbent resin, disposable diaper using the resin and absorbent resin, and method for production thereof
US6254990B1 (en) 1998-02-18 2001-07-03 Nippon Shokubai Co., Ltd. Surface-crosslinking process for water-absorbent resin
DE69827416T2 (de) 1998-03-13 2005-10-20 The Procter & Gamble Company, Cincinnati Absorbierende strukturen mit flüssigkeitsspeichern mit verbesserter fähigkeit, verteilerelemente zu entwässern
US6713661B1 (en) 1998-04-28 2004-03-30 The Procter & Gamble Company Absorbent articles providing improved fit when wet
US6376618B1 (en) 1999-09-07 2002-04-23 Basf Aktiengesellschaft Surface-treated superabsorbent polymer particles
US6239230B1 (en) 1999-09-07 2001-05-29 Bask Aktiengesellschaft Surface-treated superabsorbent polymer particles
US6803107B2 (en) * 1999-09-07 2004-10-12 Basf Aktiengesellschaft Surface-treated superabsorbent polymer particles
US6391451B1 (en) 1999-09-07 2002-05-21 Basf Aktiengesellschaft Surface-treated superabsorbent polymer particles
US6710224B2 (en) * 1999-10-25 2004-03-23 Paragon Trade Brands Superabsorbent polymers providing long-term generation of free volume in partially hydrated absorbent cores
FR2802210B1 (fr) * 1999-12-13 2002-02-01 Atofina Procede d'additivation minimisant le segregation des additifs et leur migration
US6809158B2 (en) 2000-10-20 2004-10-26 Nippon Shokubai Co., Ltd. Water-absorbing agent and process for producing the same
CN1262604C (zh) * 2001-01-26 2006-07-05 株式会社日本触媒 吸水剂及其制法以及吸水制品
JP4685332B2 (ja) * 2001-04-16 2011-05-18 住友精化株式会社 高分子量体含有粘性液の吸収に適した吸水性樹脂、並びにそれを用いた吸収体および吸収性物品
WO2002100451A2 (en) * 2001-06-08 2002-12-19 Nippon Shokubai Co., Ltd. Water-absorbing agent, its production and sanitary material
US8426670B2 (en) * 2001-09-19 2013-04-23 Nippon Shokubai Co., Ltd. Absorbent structure, absorbent article, water-absorbent resin, and its production process and evaluation method
WO2003051939A1 (en) * 2001-12-19 2003-06-26 Nippon Shokubai Co.,Ltd. Water-absorbent resin and production process therefor
ATE279220T1 (de) * 2002-08-26 2004-10-15 Procter & Gamble Superabsorbierendes polymer enthaltende absorbierende kerne für windeln mit verringerter dicke und verbesserter leistungsfähigkeit bei flüssigkeitsaufnahme und -rückhalt
AU2003296558A1 (en) † 2002-10-25 2004-05-13 Stockhausen Gmbh Absorbent polymer structure provided with an improved retention capacity and permeability
US7193006B2 (en) 2002-12-06 2007-03-20 Nippon Shokubai Co., Ltd. Process for continuous production of water-absorbent resin product
TWI306864B (en) * 2003-02-10 2009-03-01 Nippon Catalytic Chem Ind Water-absorbing agent
US7311968B2 (en) * 2004-06-30 2007-12-25 The Procter & Gamble Company Absorbent structures comprising coated super-absorbent polymer particles
ATE492301T1 (de) 2003-06-30 2011-01-15 Procter & Gamble Absorbierende artikel enthaltend beschichtete superabsorbierende partikel
WO2005014253A1 (en) * 2003-07-29 2005-02-17 Basell Polyolefine Gmbh Process for granulating powders of thermoplastic polymers under improved economic conditions
EP1651281B1 (de) * 2003-08-06 2011-03-16 The Procter & Gamble Company Saugfähiger artikel mit einem beschichteten wasserquellbaren material
MXPA06001296A (es) * 2003-08-06 2006-04-11 Procter & Gamble Procedimiento para producir material gelificante absorbente tratado superficialmente.
CN1832984B (zh) * 2003-08-06 2010-06-09 宝洁公司 已涂敷的水可溶胀材料
CN100471524C (zh) 2003-08-06 2009-03-25 宝洁公司 制备包含已涂敷的水可溶胀聚合物的水可溶胀材料的方法
CA2534778C (en) * 2003-08-06 2010-11-16 The Procter & Gamble Company Absorbant structures comprising coated water-swellable material
JP4920183B2 (ja) 2003-09-19 2012-04-18 株式会社日本触媒 吸水剤
EP1518567B1 (de) 2003-09-25 2017-06-28 The Procter & Gamble Company Absorbierende artikel mit flüssigkeitsaufnahmezone und darin beschichteten superabsorbierenden partikeln
EP1518566B1 (de) * 2003-09-25 2008-04-09 The Procter & Gamble Company Absorbierende Artikel enthaltend superabsorbierende Polymerpartikeln, mit einer nicht-kovalent gebundenen Beschichtung
JP4666574B2 (ja) * 2003-11-07 2011-04-06 株式会社日本触媒 粒子状吸水性樹脂組成物
WO2005044915A1 (en) * 2003-11-07 2005-05-19 Nippon Shokubai Co., Ltd. Particulate water-absorbent resin composition and its production process
US9125965B2 (en) * 2004-02-24 2015-09-08 The Procter & Gamble Company Superabsorbent polymers comprising direct covalent bonds between polymer chain segments and methods of making them
CN100528940C (zh) * 2004-03-30 2009-08-19 巴斯福股份公司 制备超吸收性聚合物的改进方法
US8080705B2 (en) 2004-07-28 2011-12-20 The Procter & Gamble Company Superabsorbent polymers comprising direct covalent bonds between polymer chain segments and method of making them
EP1669394A1 (de) 2004-12-10 2006-06-14 The Procter & Gamble Company Superabsorbierende Polymerpartikel mit verbesserter Oberflächenvernetzung und hydrophiler Eigenschaft und Verfahren zur Herstellung
JP2008529591A (ja) 2005-02-04 2008-08-07 ザ プロクター アンド ギャンブル カンパニー 改善された吸水性材料を有する吸収性構造体
JP2006233008A (ja) * 2005-02-24 2006-09-07 Nippon Shokubai Co Ltd 吸水性樹脂組成物の製造方法および吸水性樹脂組成物
EP1878761B1 (de) * 2005-03-14 2018-10-17 Nippon Shokubai Co.,Ltd. Wasserabsorbierendes element und herstellungsverfahren dafür
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
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
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
US20070219521A1 (en) 2006-03-17 2007-09-20 The Procter & Gamble Company Absorbent article comprising a synthetic polymer derived from a renewable resource and methods of producing said article
EP1837348B9 (de) 2006-03-24 2020-01-08 Nippon Shokubai Co.,Ltd. Wasserabsorbierendes Harz und Verfahren zu seiner Herstellung
WO2007116777A1 (en) 2006-03-27 2007-10-18 Nippon Shokubai Co., Ltd. Water absorbing agent, water absorbent core using the agent, and manufacturing method for water absorbing agent
EP2042521A1 (de) 2006-03-29 2009-04-01 Nippon Shokubai Co., Ltd. Verfahren zur Herstellung von wasserabsorbierendem Polyacrylsäure (Salz)-Harz
WO2007120561A2 (en) 2006-04-10 2007-10-25 The Procter & Gamble Company An absorbent member comprising a modified water absorbent resin
EP2046401B1 (de) * 2006-07-19 2011-01-26 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel mit hoher permeabilität durch polymerisation von tropfen einer monomerlösung
ATE554799T1 (de) * 2006-08-07 2012-05-15 Procter & Gamble Absorbierende artikel, die superabsorbierende polymere und ein strahleninduziert hydrophiles material enthalten
JP2008115103A (ja) 2006-11-02 2008-05-22 Nippon Shokubai Co Ltd アクリル酸の製造方法、アクリル酸製造用装置、およびアクリル酸製造用組成物
EP2103591A4 (de) 2006-12-01 2013-10-16 Nippon Catalytic Chem Ind Verfahren zur herstellung von acrylsäure
JP5478897B2 (ja) 2007-01-24 2014-04-23 株式会社日本触媒 粒子状吸水性ポリマーおよびその製造方法
US9187579B2 (en) 2007-02-05 2015-11-17 Nippon Shokubai Co., Ltd. Particle-shaped water absorbing agent and method for producing the same
EP2121049B1 (de) 2007-02-22 2016-03-30 The Procter and Gamble Company Verfahren zur oberflächenbehandlung eines partikelförmigen materials mithilfe elektromagnetischer strahlung
SA08290402B1 (ar) 2007-07-04 2014-05-22 نيبون شوكوباي كو. ، ليمتد عامل دقائقي ماص للماء وطريقة لتصنيعه
US10016954B2 (en) * 2007-11-19 2018-07-10 Amcol International Corporation Self healing salt water barrier
US10012079B2 (en) * 2007-11-19 2018-07-03 Amcol International Corporation Self healing salt water barrier
JP2009142728A (ja) * 2007-12-12 2009-07-02 Procter & Gamble Co 吸水剤及びその製法
WO2009109563A1 (en) * 2008-03-05 2009-09-11 Basf Se Process for producing superabsorbents
BRPI1012135A2 (pt) 2009-05-15 2016-03-29 Nippon Catalytic Chem Ind processo para produzir ácido (met) acrílico e sistema de cristalização
JP5580812B2 (ja) 2009-05-15 2014-08-27 株式会社日本触媒 （メタ）アクリル酸の製造方法
US8586787B2 (en) 2009-05-15 2013-11-19 Nippon Shokubai Co., Ltd. Process for producing (meth)acrylic acid
JP5616346B2 (ja) 2009-08-28 2014-10-29 株式会社日本触媒 吸水性樹脂の製造方法
US8386219B2 (en) 2009-09-10 2013-02-26 The Procter & Gamble Company Computer based models for absorbent articles
US8392161B2 (en) 2009-09-10 2013-03-05 The Procter & Gamble Company Computer based models for absorbent articles
CN105771945A (zh) 2009-09-29 2016-07-20 株式会社日本触媒 颗粒状吸水剂及其制造方法
JP5731390B2 (ja) 2009-09-30 2015-06-10 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
EP2527391B1 (de) 2010-01-20 2023-08-09 Nippon Shokubai Co., Ltd. Verfahren zur herstellung eines wasserabsorbierenden harzes
CN102712763B (zh) 2010-01-20 2014-07-30 株式会社日本触媒 吸水性树脂的制造方法
US9976001B2 (en) 2010-02-10 2018-05-22 Nippon Shokubai Co., Ltd. Process for producing water-absorbing resin powder
US8875415B2 (en) 2010-03-08 2014-11-04 Nippon Shokubai, Co., Ltd. Method for drying granular water-containing gel-like cross-linked polymer
US9272068B2 (en) 2010-03-12 2016-03-01 Nippon Shokubai Co., Ltd. Process for producing water-absorbing resin
WO2011115216A1 (ja) 2010-03-17 2011-09-22 株式会社日本触媒 吸水性樹脂の製造方法
JP5806209B2 (ja) 2010-04-26 2015-11-10 株式会社日本触媒 ポリアクリル酸（塩）系吸水性樹脂及びその製造方法
EP2565212B1 (de) 2010-04-26 2020-05-06 Nippon Shokubai Co., Ltd. Polyacrylatsäure(salz), wasserabsorbierendes harz auf basis von polyacrylatsäure(salz) und verfahren zu seiner herstellung
EP2505719B1 (de) 2011-03-31 2016-05-04 Amcol International Corporation Selbstheilende Salzwasserbarriere
CN102558574B (zh) * 2012-01-04 2014-12-10 江苏博特新材料有限公司 一种含羧基的高吸水树脂的表面改性方法
US9092585B2 (en) 2013-01-22 2015-07-28 The Procter & Gamble Company Computer based models for absorbent articles
EP2980128B1 (de) 2013-03-27 2018-04-18 Sumitomo Seika Chemicals CO. LTD. Verfahren zur herstellung einer wasserabsorbierenden harzzusammensetzung
KR101719352B1 (ko) * 2013-12-13 2017-04-04 주식회사 엘지화학 고흡수성 수지 조성물
US9975979B2 (en) 2014-10-08 2018-05-22 Lg Chem, Ltd. Method of preparing superabsorbent polymer
KR102025892B1 (ko) 2016-02-17 2019-09-26 주식회사 엘지화학 내고화성이 향상된 고흡수성 수지의 제조 방법
KR101959547B1 (ko) 2016-03-25 2019-03-18 주식회사 엘지화학 고흡수성 수지의 제조 방법
KR101953764B1 (ko) 2016-11-04 2019-03-04 주식회사 엘지화학 고흡수성 수지 및 이의 제조 방법
EP4228577A1 (de) 2020-10-16 2023-08-23 The Procter & Gamble Company Absorbierendes hygieneprodukt mit einem teilweise aus einer recycelten ressource abgeleiteten superabsorbierenden polymer und verfahren zur herstellung des besagten produkts

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3661815A (en) * 1970-05-18 1972-05-09 Grain Processing Corp Water-absorbing alkali metal carboxylate salts of starch-polyacrylonitrile graft copolymers
JPS51125468A (en) * 1975-03-27 1976-11-01 Sanyo Chem Ind Ltd Method of preparing resins of high water absorbency
JPS58180233A (ja) * 1982-04-19 1983-10-21 Nippon Shokubai Kagaku Kogyo Co Ltd 吸収剤
GB2126591B (en) * 1982-09-02 1986-07-30 Kao Corp Process for producing highly water absorptive polymer
JPS60163956A (ja) * 1984-02-04 1985-08-26 Arakawa Chem Ind Co Ltd 吸水性樹脂の製法
US4734478A (en) * 1984-07-02 1988-03-29 Nippon Shokubai Kagaku Kogyo Co., Ltd. Water absorbing agent
JPH0643500B2 (ja) * 1985-12-04 1994-06-08 住友精化株式会社 吸水性樹脂の造粒方法
EP0317106B1 (de) * 1987-10-29 1993-02-17 Nippon Shokubai Kagaku Kogyo Co., Ltd Verfahren zur Oberflächenbehandlung eines Wasser absorbierenden Harzes
DE3741158A1 (de) * 1987-12-04 1989-06-15 Stockhausen Chem Fab Gmbh Polymerisate mit hoher aufnahmegeschwindigkeit fuer wasser und waessrige fluessigkeiten, verfahren zu ihrer herstellung und verwendung als absorptionsmittel

Also Published As

Publication number Publication date
ATE144152T1 (de) 1996-11-15
AU634642B2 (en) 1993-02-25
FI911524A (fi) 1991-10-03
BR9101310A (pt) 1991-11-26
KR910018431A (ko) 1991-11-30
AU7388991A (en) 1991-10-03
US5164459A (en) 1992-11-17
CS86291A2 (en) 1991-11-12
CN1056110A (zh) 1991-11-13
ES2092546T3 (es) 1996-12-01
DE69122643D1 (de) 1996-11-21
EP0450924A2 (de) 1991-10-09
HU911029D0 (en) 1991-10-28
EP0450924A3 (en) 1992-06-03
FI911524A0 (fi) 1991-03-28
EP0450924B1 (de) 1996-10-16
PT97231A (pt) 1991-12-31
TW215098B (de) 1993-10-21
CN1029125C (zh) 1995-06-28
JP2539958B2 (ja) 1996-10-02
CA2039087A1 (en) 1991-10-03
PL289710A1 (en) 1991-12-16
IE911073A1 (en) 1991-10-09
HUT60303A (en) 1992-08-28
MA22107A1 (fr) 1991-12-31
KR0143403B1 (ko) 1998-07-15
JPH04214735A (ja) 1992-08-05

Similar Documents

Publication Publication Date Title
DE69122643D1 (de) Verfahren zur Oberflächenbehandlung absorbierender Harze
DE69132818T2 (de) Verfahren zur Oberflächenbehandlung absorbierender Harze
DE3770305D1 (de) Pumpenkoerper zum anschluss einer bestrahlungskammer an ein system zur behandlung eines patienten durch photoaktivierung.
AT388365B (de) Vorrichtung zur aufbereitung von wasser
ATA123791A (de) Verfahren zur herstellung eines inaktivierten blutproduktes
DE68906385D1 (de) Verfahren und vorrichtung zur reinigung von wasser mittels polypyrrolidon.
ATE491672T1 (de) Verfahren zur behandlung von biologischen abfällen
DE69002628D1 (de) Verfahren zur reinigung von schmutzwasser durch aktives ozon.
JPS619857B2 (de)
BR8904041A (pt) Processo para o tratamento de material organico
ES2001429A6 (es) Metodo para el tratamiento de masas de agua
JPS5385947A (en) Method of treating waste liquid containing nitrogen compounds
DE59100041D1 (de) Vorrichtung und verfahren zur behandlung von abwaessern.
JPS5471857A (en) Method of treating ammonia containing waste water by way of biological denitrification
TH12537A (th) การดำเนินกรรมวิธีบำบัดผิวเรซินดูดซึม
JPS5549197A (en) Waste water treating method
JPS55119495A (en) Treating method for waste water containing lignin
TH12537EX (th) การดำเนินกรรมวิธีบำบัดผิวเรซินดูดซึม
JPS5524512A (en) Desalting method by mixed bed of three dimensional polyethylene imine and weakly acidic cation exchange resin
BG60016A3 (en) Method for polyetherpolyols purification
RU96117924A (ru) Способ лечения больных остеоартрозом, осложненным реактивным синовитом
JPS5335259A (en) Method for treating human waste sewage
JPS5520623A (en) Treating method of waste water
ATE1355T1 (de) Radikalisches polymerisationsverfahren und polymerisierbare mischungen mit substituierter weinsaeure bzw. weinsaeurederivate als initiatoren.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition