CN102892795B - 制备具有改善的颜色稳定性的吸水性聚合物颗粒的方法 - Google Patents
制备具有改善的颜色稳定性的吸水性聚合物颗粒的方法 Download PDFInfo
- Publication number
- CN102892795B CN102892795B CN201180024054.6A CN201180024054A CN102892795B CN 102892795 B CN102892795 B CN 102892795B CN 201180024054 A CN201180024054 A CN 201180024054A CN 102892795 B CN102892795 B CN 102892795B
- Authority
- CN
- China
- Prior art keywords
- polymer particles
- water
- acid
- weight
- absorbing polymer
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- 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
-
- 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
- C08F6/00—Post-polymerisation treatments
- C08F6/008—Treatment of solid polymer wetted by water or organic solvents, e.g. coagulum, filter cakes
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/41—Compounds containing sulfur bound to oxygen
- C08K5/42—Sulfonic acids; Derivatives thereof
-
- 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
- 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
- C08F222/103—Esters of polyhydric alcohols or polyhydric phenols of trialcohols, e.g. trimethylolpropane tri(meth)acrylate
-
- 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
- C08J2333/00—Characterised by the use 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; Derivatives of such polymers
- C08J2333/02—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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0025—Crosslinking or vulcanising agents; including accelerators
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10156480 | 2010-03-15 | ||
| EP10156480.5 | 2010-03-15 | ||
| PCT/EP2011/053764 WO2011113777A1 (de) | 2010-03-15 | 2011-03-14 | Verfahren zur herstellung wasserabsorbierender polymerpartikel mit verbesserter farbstabilität |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102892795A CN102892795A (zh) | 2013-01-23 |
| CN102892795B true CN102892795B (zh) | 2015-11-25 |
Family
ID=43828317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180024054.6A Active CN102892795B (zh) | 2010-03-15 | 2011-03-14 | 制备具有改善的颜色稳定性的吸水性聚合物颗粒的方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8703876B2 (enExample) |
| EP (1) | EP2547705B1 (enExample) |
| JP (1) | JP5963684B2 (enExample) |
| CN (1) | CN102892795B (enExample) |
| WO (1) | WO2011113777A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140144259A (ko) * | 2012-03-30 | 2014-12-18 | 바스프 에스이 | 색 안정적 초흡수체 |
| EP3227345A1 (de) * | 2014-12-04 | 2017-10-11 | Basf Se | Verfahren zur herstellung wasserabsorbierender polymerpartikel durch suspensionspolymerisation |
| CN107406542B (zh) * | 2015-03-10 | 2020-03-17 | 三大雅株式会社 | 水性液体吸收性树脂的制造方法 |
| CN107466302B (zh) * | 2015-04-07 | 2020-12-04 | 巴斯夫欧洲公司 | 超吸收颗粒团聚的方法 |
| EP3497141B1 (de) * | 2016-08-10 | 2020-11-25 | Basf Se | Verfahren zur herstellung von superabsorbern |
| CN111278551B (zh) * | 2017-11-10 | 2023-09-29 | 巴斯夫欧洲公司 | 超吸收剂 |
| JP7362653B2 (ja) * | 2018-04-20 | 2023-10-17 | ビーエーエスエフ ソシエタス・ヨーロピア | 超吸収体を製造する方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1761492A (zh) * | 2003-03-26 | 2006-04-19 | 巴斯福股份公司 | 颜色稳定的高吸水性聚合物组合物 |
| WO2010012762A2 (de) * | 2008-07-31 | 2010-02-04 | Basf Se | Farbstabiler superabsorber |
Family Cites Families (65)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2567575A (en) | 1945-05-19 | 1951-09-11 | Honeywell Regulator Co | Resistance measuring apparatus |
| JPS6018690B2 (ja) | 1981-12-30 | 1985-05-11 | 住友精化株式会社 | 吸水性樹脂の吸水性改良方法 |
| JPS58180233A (ja) | 1982-04-19 | 1983-10-21 | Nippon Shokubai Kagaku Kogyo Co Ltd | 吸収剤 |
| US4734478A (en) | 1984-07-02 | 1988-03-29 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Water absorbing agent |
| DE3713601A1 (de) | 1987-04-23 | 1988-11-10 | Stockhausen Chem Fab Gmbh | Verfahren zur herstellung eines stark wasserabsorbierenden polymerisats |
| US5004761A (en) | 1987-07-28 | 1991-04-02 | Dai-Ichi Kogyo Seiyaku Co., Ltd. | Process for continuously preparing acrylic polymer gel |
| US5185413A (en) * | 1989-05-16 | 1993-02-09 | Mitsubishi Petrochemical Company Limited | Process for producing highly water-absortive polymers |
| WO1990015830A1 (en) | 1989-06-12 | 1990-12-27 | Weyerhaeuser Company | Hydrocolloid polymer |
| CA2038779A1 (en) | 1990-04-02 | 1991-10-03 | Takumi Hatsuda | Method for production of fluid stable aggregate |
| DE4020780C1 (enExample) | 1990-06-29 | 1991-08-29 | Chemische Fabrik Stockhausen Gmbh, 4150 Krefeld, De | |
| DE69217433T2 (de) | 1991-09-03 | 1997-06-26 | Hoechst Celanese Corp | Superabsorbierendes Polymer mit verbesserten Absorbiereigenschaften |
| JP3107873B2 (ja) * | 1991-09-26 | 2000-11-13 | ユニ・チャーム株式会社 | 高吸水性ポリマーの経時着色防止方法および経時着色防止剤 |
| DE4138408A1 (de) | 1991-11-22 | 1993-05-27 | Cassella Ag | Hydrophile, hochquellfaehige hydrogele |
| JP3045422B2 (ja) | 1991-12-18 | 2000-05-29 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
| EP0559476B1 (en) | 1992-03-05 | 1997-07-16 | Nippon Shokubai Co., Ltd. | Method for the production of absorbent resin |
| GB9208449D0 (en) | 1992-04-16 | 1992-06-03 | Dow Deutschland Inc | Crosslinked hydrophilic resins and method of preparation |
| JP3323558B2 (ja) * | 1992-11-06 | 2002-09-09 | 三菱化学株式会社 | 高吸水性樹脂の製造法 |
| DE69412547T2 (de) | 1993-06-18 | 1999-04-22 | Nippon Shokubai Co. Ltd., Osaka | Verfahren zur Herstellung eines absorbierenden Harzes |
| EP0640330B1 (en) | 1993-06-30 | 2000-05-24 | The Procter & Gamble Company | Hygienic absorbent articles |
| JP3606966B2 (ja) * | 1995-11-02 | 2005-01-05 | 株式会社日本触媒 | 吸水性樹脂およびその製造方法 |
| DE19543368C2 (de) | 1995-11-21 | 1998-11-26 | Stockhausen Chem Fab Gmbh | Wasserabsorbierende Polymere mit verbesserten Eigenschaften, Verfahren zu deren Herstellung und deren Verwendung |
| DE19646484C2 (de) | 1995-11-21 | 2000-10-19 | Stockhausen Chem Fab Gmbh | Flüssigkeitsabsorbierende Polymere, Verfahren zu deren Herstellung und deren Verwendung |
| DE19807502B4 (de) | 1998-02-21 | 2004-04-08 | Basf Ag | Verfahren zur Nachvernetzung von Hydrogelen mit 2-Oxazolidinonen, daraus hergestellte Hydrogele und deren Verwendung |
| US6265488B1 (en) | 1998-02-24 | 2001-07-24 | Nippon Shokubai Co., Ltd. | Production process for water-absorbing agent |
| US6503979B1 (en) | 1998-02-26 | 2003-01-07 | Basf Aktiengesellschaft | Method for cross-linking hydrogels with bis- and poly-2-oxazolidinones |
| TW460528B (en) | 1998-04-28 | 2001-10-21 | Nippon Catalytic Chem Ind | Method for production of shaped hydrogel of absorbent resin |
| DE19854573A1 (de) | 1998-11-26 | 2000-05-31 | Basf Ag | Verfahren zur Nachvernetzung von Hydrogelen mit 2-Oxo-tetrahydro-1,3-oxazinen |
| DE19854574A1 (de) | 1998-11-26 | 2000-05-31 | Basf Ag | Verfahren zur Nachvernetzung von Hydrogelen mit N-Acyl-2-Oxazolidinonen |
| JP2000230129A (ja) * | 1998-12-11 | 2000-08-22 | Nippon Shokubai Co Ltd | 吸水剤組成物 |
| JP2000198809A (ja) * | 1998-12-29 | 2000-07-18 | Sanyo Chem Ind Ltd | α,β―不飽和カルボン酸(塩)(共)重合体の製造方法 |
| ATE277111T1 (de) * | 1999-03-12 | 2004-10-15 | Basf Ag | Farbstabile superabsorbierende polymerzusammensetzung |
| 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 |
| US6239230B1 (en) | 1999-09-07 | 2001-05-29 | Bask Aktiengesellschaft | Surface-treated superabsorbent polymer particles |
| JP2001081271A (ja) * | 1999-09-09 | 2001-03-27 | Toray Ind Inc | 透明熱可塑性樹脂組成物 |
| DE19955861A1 (de) | 1999-11-20 | 2001-05-23 | Basf Ag | Verfahren zur kontinuierlichen Herstellung von vernetzten feinteiligen gelförmigen Polymerisaten |
| US6979564B2 (en) | 2000-10-20 | 2005-12-27 | Millennium Pharmaceuticals, Inc. | 80090, human fucosyltransferase nucleic acid molecules and uses thereof |
| US6809158B2 (en) | 2000-10-20 | 2004-10-26 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and process for producing the same |
| BR0206396A (pt) | 2001-01-12 | 2004-02-10 | Degussa | Processo contìnuo para preparação e purificação de ácido (met)acrìlico |
| DE10138150A1 (de) | 2001-08-03 | 2003-02-13 | Basf Ag | Verfahren zur Herstellung wasserabsorbierender Harze |
| EP1436335B1 (de) | 2001-10-05 | 2005-01-26 | Basf Aktiengesellschaft | Verfahren zur vernetzung von hydrogelen mit morpholin-2,3-dionen |
| DE10204937A1 (de) | 2002-02-07 | 2003-08-21 | Stockhausen Chem Fab Gmbh | Verfahren zur Nachvernetzung im Bereich der Oberfläche von wasserabsorbierenden Polymeren mit Harnstoffderivaten |
| DE10204938A1 (de) | 2002-02-07 | 2003-08-21 | Stockhausen Chem Fab Gmbh | Verfahren zur Nachvernetzung im Bereich der Oberfläche von wasserabsorbierenden Polymeren mit beta-Hydroxyalkylamiden |
| DE10211686A1 (de) | 2002-03-15 | 2003-10-02 | Stockhausen Chem Fab Gmbh | (Meth)Acrylsäurekristall und Verfahren zur Herstellung und Aufreinigung von wässriger (Meth)Acrylsäure |
| WO2003104300A1 (de) | 2002-06-01 | 2003-12-18 | Basf Aktiengesellschaft | (meth)acrylester von polyalkoxyliertem trimethylolpropan |
| DE10225943A1 (de) | 2002-06-11 | 2004-01-08 | Basf Ag | Verfahren zur Herstellung von Estern von Polyalkoholen |
| CN100349958C (zh) | 2002-06-11 | 2007-11-21 | 巴斯福股份公司 | 聚烷氧基化甘油的(甲基)丙烯酸酯 |
| DE10247240A1 (de) | 2002-10-10 | 2004-04-22 | Basf Ag | Verfahren zur Herstellung von Acrylsäure |
| JP4383086B2 (ja) * | 2003-04-28 | 2009-12-16 | 三菱レイヨン株式会社 | 色調に優れた樹脂組成物の製造方法 |
| DE10331456A1 (de) | 2003-07-10 | 2005-02-24 | Basf Ag | (Meth)acrylsäureester alkoxilierter ungesättigter Polyolether und deren Herstellung |
| DE10331450A1 (de) | 2003-07-10 | 2005-01-27 | Basf Ag | (Meth)acrylsäureester monoalkoxilierter Polyole und deren Herstellung |
| DE10334584A1 (de) | 2003-07-28 | 2005-02-24 | Basf Ag | Verfahren zur Nachvernetzung von Hydrogelen mit bicyclischen Amidacetalen |
| WO2005012369A1 (ja) * | 2003-08-04 | 2005-02-10 | Sumitomo Seika Chemicals Co., Ltd. | 吸水性樹脂の製造方法 |
| DE10355401A1 (de) | 2003-11-25 | 2005-06-30 | Basf Ag | (Meth)acrylsäureester ungesättigter Aminoalkohole und deren Herstellung |
| DE102004057874A1 (de) | 2004-11-30 | 2006-06-01 | Basf Ag | Verfahren zur Nachvernetzung wasserabsorbierender Polymerpartikel |
| 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 |
| ATE491729T1 (de) | 2006-10-05 | 2011-01-15 | Basf Se | Verfahren zur herstellung wasserabsorbierender polymerpartikel durch polymerisation von tropfen einer monomerlösung |
| US8183331B2 (en) | 2006-10-31 | 2012-05-22 | Basf Se | Regulation of a process for producing water-absorbing polymer particles in a heated gas phase |
| WO2008092842A1 (de) | 2007-01-29 | 2008-08-07 | Basf Se | VERFAHREN ZUR HERSTELLUNG WEIßER UND FARBSTABILER WASSERABSORBIERENDER POLYMERPARTIKEL MIT HOHEM ABSORPTIONSVERMÖGEN UND HOHER FLÜSSIGKEITSLEITFÄHIGKEIT |
| WO2008092843A1 (de) | 2007-01-29 | 2008-08-07 | Basf Se | VERFAHREN ZUR HERSTELLUNG WEIßER UND FARBSTABILER WASSERABSORBIERENDER POLYMERPARTIKEL MIT HOHEM ABSORPTIONSVERMÖGEN UND HOHER FLÜSSIGKEITSLEITFÄHIGKEIT |
| SA08290402B1 (ar) * | 2007-07-04 | 2014-05-22 | نيبون شوكوباي كو. ، ليمتد | عامل دقائقي ماص للماء وطريقة لتصنيعه |
| US7816426B2 (en) * | 2007-07-16 | 2010-10-19 | Evonik Stockhausen, Llc | Superabsorbent polymer compositions having color stability |
| DE102007053619A1 (de) | 2007-11-08 | 2009-05-20 | Evonik Stockhausen Gmbh | Wasserabsorbierende Polymergebilde mit verbesserter Farbstabilität |
| EP2504368B1 (de) * | 2009-11-23 | 2014-01-08 | Basf Se | Verfahren zur herstellung wasserabsorbierender polymerpartikel mit verbesserter farbstabilität |
| US8852742B2 (en) * | 2010-03-15 | 2014-10-07 | Basf Se | Water absorbent polymer particles formed by polymerizing droplets of a monomer solution and coated with sulfinic acid, sulfonic acid, and/or salts thereof |
| EP2547703A1 (en) * | 2010-03-15 | 2013-01-23 | Basf Se | A process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution |
-
2011
- 2011-03-04 US US13/041,033 patent/US8703876B2/en active Active
- 2011-03-14 WO PCT/EP2011/053764 patent/WO2011113777A1/de not_active Ceased
- 2011-03-14 EP EP11707684.4A patent/EP2547705B1/de not_active Revoked
- 2011-03-14 CN CN201180024054.6A patent/CN102892795B/zh active Active
- 2011-03-14 JP JP2012557508A patent/JP5963684B2/ja active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1761492A (zh) * | 2003-03-26 | 2006-04-19 | 巴斯福股份公司 | 颜色稳定的高吸水性聚合物组合物 |
| WO2010012762A2 (de) * | 2008-07-31 | 2010-02-04 | Basf Se | Farbstabiler superabsorber |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2547705A1 (de) | 2013-01-23 |
| JP2013522406A (ja) | 2013-06-13 |
| EP2547705B1 (de) | 2014-07-02 |
| US8703876B2 (en) | 2014-04-22 |
| JP5963684B2 (ja) | 2016-08-03 |
| WO2011113777A1 (de) | 2011-09-22 |
| US20110224381A1 (en) | 2011-09-15 |
| CN102892795A (zh) | 2013-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102361890B (zh) | 制备表面后交联的吸水性聚合物颗粒的方法 | |
| CN102099062B (zh) | 吸水性聚合物颗粒的生产方法 | |
| CN103347548B (zh) | 具有高溶胀速度的吸水性聚合物颗粒的制备方法 | |
| CN103649130B (zh) | 制备具有高溶胀速度的吸水性聚合物颗粒的方法 | |
| CN103068861B (zh) | 具有改进的色彩稳定性的吸水聚合物颗粒 | |
| CN104812418A (zh) | 基于可再生原料制备超吸收剂的方法 | |
| CN102892795B (zh) | 制备具有改善的颜色稳定性的吸水性聚合物颗粒的方法 | |
| US20110257340A1 (en) | Process for Producing Water-Absorbing Polymer Particles | |
| CN104114591B (zh) | 具有高溶胀率和高渗透率的吸水性聚合物颗粒 | |
| CN107075030A (zh) | 制备吸水性聚合物颗粒的方法 | |
| US8742024B2 (en) | Mixture of surface postcrosslinked superabsorbers with different surface postcrosslinking | |
| US20130256593A1 (en) | Color-Stable Superabsorbent | |
| CN102770469B (zh) | 制备具有改善的色彩稳定性的吸水性聚合物颗粒的方法 | |
| CN104411732A (zh) | 用于制备具有改进特性的吸水性聚合物颗粒的方法 | |
| US9950306B2 (en) | Process for producing water-absorbing polymer particles with high free swell rate | |
| CN106661166A (zh) | 吸水性聚合物颗粒 | |
| US9833769B2 (en) | Process for producing water-absorbing polymer particles with high free swell rate | |
| US20130210947A1 (en) | Water-Absorbing Polymer Particles with High Free Swell Rate and High Permeability | |
| CN103562240B (zh) | 连续制备吸水性聚合物颗粒的方法 | |
| US20120202959A1 (en) | Process for Producing Water-Absorbing Polymer Particles | |
| CN103582654A (zh) | 连续制备吸水聚合物颗粒的方法 | |
| CN104364269B (zh) | 在装有至少两个轴向平行旋转轴的聚合反应器中制备吸水性聚合物颗粒的方法 | |
| CN103561782B (zh) | 制备吸水性聚合物颗粒的方法 | |
| CN102573932B (zh) | 连续生产吸水聚合物颗粒的方法 | |
| CN103561781B (zh) | 连续制备吸水性聚合物颗粒的方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |