DE69209104T2 - Verfahren zur Herstellung von hydrierten Polymergelpartikeln und absorbierendes Harz - Google Patents
Verfahren zur Herstellung von hydrierten Polymergelpartikeln und absorbierendes HarzInfo
- Publication number
- DE69209104T2 DE69209104T2 DE69209104T DE69209104T DE69209104T2 DE 69209104 T2 DE69209104 T2 DE 69209104T2 DE 69209104 T DE69209104 T DE 69209104T DE 69209104 T DE69209104 T DE 69209104T DE 69209104 T2 DE69209104 T2 DE 69209104T2
- Authority
- DE
- Germany
- Prior art keywords
- polymer gel
- hydrated polymer
- hydrated
- finely divided
- gel
- 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
Links
- 229920000642 polymer Polymers 0.000 title claims description 158
- 238000000034 method Methods 0.000 title claims description 79
- 239000002250 absorbent Substances 0.000 title claims description 67
- 230000002745 absorbent Effects 0.000 title claims description 67
- 239000011347 resin Substances 0.000 title claims description 67
- 229920005989 resin Polymers 0.000 title claims description 67
- 230000008569 process Effects 0.000 title claims description 44
- 239000007863 gel particle Substances 0.000 title description 4
- 239000002245 particle Substances 0.000 claims description 45
- 238000001035 drying Methods 0.000 claims description 28
- 239000000178 monomer Substances 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000010298 pulverizing process Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000000379 polymerizing effect Effects 0.000 claims description 3
- 150000003926 acrylamides Chemical class 0.000 claims description 2
- 150000001253 acrylic acids Chemical class 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 150000001340 alkali metals Chemical class 0.000 claims description 2
- 150000003863 ammonium salts Chemical class 0.000 claims description 2
- 239000000499 gel Substances 0.000 description 172
- 238000001125 extrusion Methods 0.000 description 32
- 239000000843 powder Substances 0.000 description 29
- 238000010521 absorption reaction Methods 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 22
- 239000000047 product Substances 0.000 description 22
- 239000010419 fine particle Substances 0.000 description 17
- 238000006116 polymerization reaction Methods 0.000 description 15
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000007864 aqueous solution Substances 0.000 description 9
- 238000009826 distribution Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 6
- 239000011780 sodium chloride Substances 0.000 description 6
- 239000003431 cross linking reagent Substances 0.000 description 5
- 239000003960 organic solvent Substances 0.000 description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000003505 polymerization initiator Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 3
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 229940047670 sodium acrylate Drugs 0.000 description 3
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 3
- 238000010557 suspension polymerization reaction Methods 0.000 description 3
- 239000002211 L-ascorbic acid Substances 0.000 description 2
- 235000000069 L-ascorbic acid Nutrition 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229960005070 ascorbic acid Drugs 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- DZSVIVLGBJKQAP-UHFFFAOYSA-N 1-(2-methyl-5-propan-2-ylcyclohex-2-en-1-yl)propan-1-one Chemical compound CCC(=O)C1CC(C(C)C)CC=C1C DZSVIVLGBJKQAP-UHFFFAOYSA-N 0.000 description 1
- 241000269627 Amphiuma means Species 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
-
- 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
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S524/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S524/916—Hydrogel compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1232491 | 1991-02-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69209104D1 DE69209104D1 (de) | 1996-04-25 |
| DE69209104T2 true DE69209104T2 (de) | 1996-08-29 |
Family
ID=11802136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69209104T Expired - Lifetime DE69209104T2 (de) | 1991-02-01 | 1992-01-31 | Verfahren zur Herstellung von hydrierten Polymergelpartikeln und absorbierendes Harz |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5275773A (enExample) |
| EP (1) | EP0497623B1 (enExample) |
| KR (1) | KR940006901B1 (enExample) |
| DE (1) | DE69209104T2 (enExample) |
| TW (1) | TW241279B (enExample) |
Families Citing this family (74)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5610208A (en) | 1994-02-17 | 1997-03-11 | Nippon Shokubai Co., Ltd. | Water-absorbent agent, method for production thereof, and water-absorbent composition |
| US5488104A (en) * | 1994-06-30 | 1996-01-30 | The Dow Chemical Company | Process for comminuting cellulose ethers |
| TW387840B (en) * | 1994-10-26 | 2000-04-21 | Nippon Catalytic Chem Ind | Water absorptive resin composition and method of manufacturing the same |
| US6432329B1 (en) * | 1998-02-27 | 2002-08-13 | Yoav Cohen | Methods of manufacturing granular compositions |
| JP4141526B2 (ja) | 1998-04-07 | 2008-08-27 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
| DE19846413A1 (de) * | 1998-10-08 | 2000-04-13 | Basf Ag | Verfahren zur Herstellung von hydrophilen wasserquellbaren Polymeren sowie deren Verwendung |
| DE19846412A1 (de) * | 1998-10-08 | 2000-04-13 | Basf Ag | Hydrophile hochquellfähige Hydrogele sowie Verfahren zu ihrer Herstellung und Verwendung |
| DE19849499A1 (de) * | 1998-10-27 | 2000-05-04 | Basf Ag | Verfahren zur vollständigen Trocknung von Hydrogelen |
| JP4679683B2 (ja) | 1999-11-02 | 2011-04-27 | 株式会社日本触媒 | 吸水性重合体の製造方法、及び該重合体の製造装置 |
| EP1130045B2 (en) | 2000-02-29 | 2015-10-28 | Nippon Shokubai Co., Ltd. | Process for producing a water-absorbent resin powder |
| 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 |
| 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 |
| PL363038A1 (en) * | 2002-02-04 | 2004-11-15 | Nippon Shokubai Co, Ltd. | Absorptive material, method for producing the same and absorptive article using the same |
| US6875511B2 (en) | 2002-05-30 | 2005-04-05 | Nippon Shokubai Co., Ltd. | Production process for particulate water-absorbent resin |
| EP1594557B1 (en) * | 2003-02-10 | 2019-05-01 | Nippon Shokubai Co., Ltd. | Water-absorbent resin composition and its production process |
| BRPI0401479A (pt) * | 2003-04-25 | 2004-11-30 | Nippon Catalytic Chem Ind | Método para a desintegração de polìmero de hidrato e método para a produção de resina absorvente de água |
| BE1016025A3 (fr) * | 2003-06-03 | 2006-01-10 | Nippon Catalytic Chem Ind | Procede de preparation d'un materiau absorbant l'eau. |
| RU2333229C2 (ru) * | 2003-06-24 | 2008-09-10 | Ниппон Шокубаи Ко., Лтд. | Водопоглощающая композиция на основе смол, способ ее изготовления (варианты), поглотитель и поглощающее изделие на ее основе |
| JP4640923B2 (ja) * | 2003-09-05 | 2011-03-02 | 株式会社日本触媒 | 粒子状吸水性樹脂組成物の製造方法 |
| DE602004020159D1 (de) * | 2003-09-19 | 2009-05-07 | Nippon Catalytic Chem Ind | Wasserabsorbierendes Harz mit behandelten Oberflächen und Verfahren zu seiner Herstellung |
| JP4866733B2 (ja) * | 2004-03-31 | 2012-02-01 | 株式会社日本触媒 | 水性液吸収剤の製造方法 |
| 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 |
| EP1629854B1 (en) * | 2004-07-20 | 2010-10-13 | The Procter & Gamble Company | Surface cross-linked superabsorbent polymer particles and methods of making them |
| 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 |
| US20060128827A1 (en) * | 2004-12-10 | 2006-06-15 | The Procter & Gamble Company | Absorbent members comprising modified water absorbent resin for use in diapers |
| EP1669394A1 (en) * | 2004-12-10 | 2006-06-14 | The Procter & Gamble Company | Superabsorbent polymer particles with improved surface cross-linking and hydrophilicity and method of making them |
| JP5047616B2 (ja) * | 2005-03-14 | 2012-10-10 | 株式会社日本触媒 | 吸水剤およびその製造方法 |
| TWI353360B (en) | 2005-04-07 | 2011-12-01 | Nippon Catalytic Chem Ind | Production process of polyacrylic acid (salt) wate |
| JP2007077366A (ja) * | 2005-09-16 | 2007-03-29 | Procter & Gamble Co | 吸水剤の製法 |
| JP2007099845A (ja) * | 2005-09-30 | 2007-04-19 | Procter & Gamble Co | 水性液吸収剤およびその製法 |
| DE102005055077A1 (de) | 2005-11-16 | 2007-05-24 | Basf Ag | Verfahren zur Herstellung wasserabsorbierender Polymerpartikel |
| 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 |
| EP1837348B9 (en) | 2006-03-24 | 2020-01-08 | Nippon Shokubai Co.,Ltd. | Water-absorbing resin and method for manufacturing the same |
| EP2010316B1 (en) | 2006-03-27 | 2021-10-13 | Nippon Shokubai Co.,Ltd. | Water absorbing agent and water absorbent core using the agent |
| JP2009531467A (ja) * | 2006-03-27 | 2009-09-03 | 株式会社日本触媒 | 内部構造が改善された吸水性樹脂、およびその製造方法 |
| CA2649299A1 (en) * | 2006-04-10 | 2007-10-25 | The Procter & Gamble Company | An absorbent member comprising a modified water absorbent resin |
| WO2008087114A1 (en) | 2007-01-16 | 2008-07-24 | Basf Se | Production of superabsorbent polymers |
| WO2008102322A2 (en) | 2007-02-22 | 2008-08-28 | The Procter & Gamble Company | Method of surface treating particulate material using electromagnetic radiation |
| US8252715B2 (en) | 2007-03-05 | 2012-08-28 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and production method thereof |
| SA08290542B1 (ar) | 2007-08-28 | 2012-11-14 | نيبون شوكوباي كو. ، ليمتد | طريقة لإنتاج راتنج ماص للماء |
| JP2009142728A (ja) * | 2007-12-12 | 2009-07-02 | Procter & Gamble Co | 吸水剤及びその製法 |
| US9518133B2 (en) | 2009-02-06 | 2016-12-13 | Nippon Shokubai Co., Ltd. | Hydrophilic polyacrylic acid (salt) resin and manufacturing method thereof |
| JP5615801B2 (ja) | 2009-03-04 | 2014-10-29 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
| CN104974358B (zh) | 2009-03-31 | 2018-11-23 | 株式会社日本触媒 | 颗粒状吸水性树脂的制造方法 |
| 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 |
| CN102414159B (zh) | 2009-05-15 | 2014-02-26 | 株式会社日本触媒 | 制备(甲基)丙烯酸的方法 |
| SG175379A1 (en) | 2009-05-15 | 2011-12-29 | Nippon Catalytic Chem Ind | Process for producing (meth)acrylic acid and crystallization system |
| EP2438096B1 (de) | 2009-06-03 | 2016-01-27 | Basf Se | Verfahren zur herstellung wasserabsorbierender polymerpartikel |
| CN102548654A (zh) | 2009-09-29 | 2012-07-04 | 株式会社日本触媒 | 颗粒状吸水剂及其制造方法 |
| KR101350958B1 (ko) * | 2009-11-04 | 2014-01-24 | 주식회사 엘지화학 | 높은 생산성을 갖는 흡수성수지의 제조방법 |
| US8875415B2 (en) | 2010-03-08 | 2014-11-04 | Nippon Shokubai, Co., Ltd. | Method for drying granular water-containing gel-like cross-linked polymer |
| WO2011126079A1 (ja) | 2010-04-07 | 2011-10-13 | 株式会社日本触媒 | ポリアクリル酸（塩）系吸水性樹脂粉末の製造方法及びポリアクリル酸（塩）系吸水性樹脂粉末 |
| EP2581403B1 (en) | 2010-06-08 | 2019-08-28 | Nippon Shokubai Co., Ltd. | Manufacturing method for granular water-absorbing resin |
| KR101290740B1 (ko) | 2010-11-22 | 2013-07-29 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
| JP5635685B2 (ja) | 2011-04-20 | 2014-12-03 | 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および製造装置 |
| TWI424007B (zh) | 2011-12-22 | 2014-01-21 | Ind Tech Res Inst | 使膠體交聯的方法與藉由此方法形成之經交聯的膠體 |
| JP6226969B2 (ja) | 2012-06-19 | 2017-11-08 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | 吸水性ポリマー粒子の製造法 |
| US8945716B2 (en) | 2012-06-19 | 2015-02-03 | Basf Se | Process for producing water-absorbing polymer particles |
| WO2014032909A1 (en) * | 2012-08-29 | 2014-03-06 | Basf Se | Process for producing water-absorbing polymer particles |
| JP6312680B2 (ja) * | 2012-08-29 | 2018-04-18 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | 吸水性ポリマー粒子の製造方法 |
| KR20140063401A (ko) * | 2012-11-15 | 2014-05-27 | 주식회사 엘지화학 | 고흡수성 수지의 제조방법 |
| US9550843B2 (en) | 2012-11-27 | 2017-01-24 | Nippon Shokubai Co., Ltd. | Method for producing polyacrylic acid (salt)-based water absorbent resin |
| JP2016506981A (ja) | 2013-01-29 | 2016-03-07 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | 膨潤したゲル床の高い透過性と同時に、速い膨潤速度、かつ高い遠心分離保持容量を有する吸水性ポリマー粒子の製造方法 |
| JP5989912B2 (ja) | 2013-08-28 | 2016-09-07 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
| KR101700907B1 (ko) * | 2013-12-10 | 2017-01-31 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
| US9334337B2 (en) | 2014-01-24 | 2016-05-10 | Baker Hughes Incorporated | Enhanced water swellable compositions |
| EP3140325B1 (de) * | 2014-05-08 | 2018-07-11 | Basf Se | Verfahren zur herstellung wasserabsorbierender polymerpartikel |
| JP6548723B2 (ja) | 2014-05-08 | 2019-07-24 | ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ | 吸水性ポリマー粒子 |
| US11535689B2 (en) | 2015-06-19 | 2022-12-27 | Nippon Shokubai Co., Ltd. | Poly (meth) acrylic acid (salt)-based particulate water-absorbing agent and production method therefor |
| KR101848470B1 (ko) | 2015-07-10 | 2018-04-12 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 및 이로부터 제조된 고흡수성 수지 |
| KR102555379B1 (ko) | 2018-01-16 | 2023-07-12 | 주식회사 엘지화학 | 고흡수성 수지의 제조 방법 |
| WO2020099154A1 (en) * | 2018-11-14 | 2020-05-22 | Basf Se | Process for producing superabsorbents |
| WO2022163849A1 (ja) | 2021-01-29 | 2022-08-04 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
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| JPS5432176B2 (enExample) * | 1973-05-02 | 1979-10-12 | ||
| US3996411A (en) * | 1973-07-07 | 1976-12-07 | Nitto Kagaku Kogyo Kabushiki Kaisha | Production of water-soluble polymers |
| JPS50136348A (enExample) * | 1974-04-18 | 1975-10-29 | ||
| US3966679A (en) * | 1974-05-09 | 1976-06-29 | The Dow Chemical Company | Absorbent articles and methods for their preparation |
| JPS51125468A (en) * | 1975-03-27 | 1976-11-01 | Sanyo Chem Ind Ltd | Method of preparing resins of high water absorbency |
| JPS5432176A (en) * | 1977-08-15 | 1979-03-09 | Sanyo Kokusaku Pulp Co Ltd | Granulating and drying method by fluidization |
| US4113688A (en) * | 1977-12-14 | 1978-09-12 | Hercules Incorporated | Process for rapidly dissolving gels of water-soluble polymers by extrusion, cutting and then slurrying under high shearing forces |
| JPS5951567B2 (ja) * | 1978-02-08 | 1984-12-14 | 三井東圧化学株式会社 | 水溶性ビニル系重合体含水ゲルの破砕方法 |
| US4286082A (en) * | 1979-04-06 | 1981-08-25 | Nippon Shokubai Kagaku Kogyo & Co., Ltd. | Absorbent resin composition and process for producing same |
| JPS56161408A (en) * | 1980-05-19 | 1981-12-11 | Kao Corp | Production of water-absorbing resin |
| JPS5734101A (en) * | 1980-08-11 | 1982-02-24 | Nippon Shokubai Kagaku Kogyo Co Ltd | Novel polymerization process |
| JPS5794011A (en) * | 1980-12-03 | 1982-06-11 | Sumitomo Chem Co Ltd | Productin of high-molecular material having excellent water absorbability |
| 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 |
| JPS57198714A (en) * | 1981-05-29 | 1982-12-06 | Sumitomo Chem Co Ltd | Production of hydrogel |
| US4358550A (en) * | 1981-07-14 | 1982-11-09 | Hercules Incorporated | Process for preparation of aqueous solutions of water-soluble polymers |
| JPS5849714A (ja) * | 1981-09-18 | 1983-03-24 | Arakawa Chem Ind Co Ltd | ポリアクリル酸塩乾燥固体の製造方法 |
| DE3221947A1 (de) * | 1982-06-11 | 1983-12-22 | Cassella Ag, 6000 Frankfurt | Verfahren zur herstellung klebfreier oder klebarmer partikel von hydrogelpolymerisaten |
| JPS5937003A (ja) * | 1982-08-18 | 1984-02-29 | Daisho Seiki Kosakusho:Kk | ピ−リングマシンの案内装置 |
| JPS59119172A (ja) * | 1982-12-27 | 1984-07-10 | 日本化薬株式会社 | 含水ゲル状重合体の乾燥方法 |
| JPS59184203A (ja) * | 1983-04-04 | 1984-10-19 | Nitto Chem Ind Co Ltd | 部分加水分解されたアクリルアミド重合体の製造法 |
| US4904715A (en) * | 1983-12-16 | 1990-02-27 | Calgon Corporation | Method for producing free-flowing, water-soluble polymer gels |
| JPS6136763A (ja) * | 1984-07-30 | 1986-02-21 | Ricoh Co Ltd | 多色画像形成方法 |
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| CA1253833A (en) * | 1984-11-06 | 1989-05-09 | Akira Yada | Process for preparing water-soluble polymer gel particles |
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| US4654039A (en) * | 1985-06-18 | 1987-03-31 | The Proctor & Gamble Company | Hydrogel-forming polymer compositions for use in absorbent structures |
| GB8910788D0 (en) * | 1989-05-10 | 1989-06-28 | Allied Colloids Ltd | Absorbent products and their manufacture |
| US4920202A (en) * | 1987-04-30 | 1990-04-24 | Nippon Shokubai Kagaku Kogyo Co., Ltd. | Method for production of hydrophilic polymer from hydrated gel polymer |
| SU1797612A1 (ru) * | 1987-08-10 | 1993-02-23 | Nippon Catalytic Chem Ind | Cпocoб пoлучehия boдoпoглoщaющeй cmoлы |
| JP2555159B2 (ja) * | 1987-08-10 | 1996-11-20 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
| JP2639970B2 (ja) * | 1988-07-07 | 1997-08-13 | 三洋電機株式会社 | 床用吸込具 |
-
1992
- 1992-01-28 TW TW081100630A patent/TW241279B/zh not_active IP Right Cessation
- 1992-01-29 US US07/827,444 patent/US5275773A/en not_active Expired - Lifetime
- 1992-01-31 KR KR1019920001526A patent/KR940006901B1/ko not_active Expired - Lifetime
- 1992-01-31 DE DE69209104T patent/DE69209104T2/de not_active Expired - Lifetime
- 1992-01-31 EP EP92300859A patent/EP0497623B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0497623B1 (en) | 1996-03-20 |
| DE69209104D1 (de) | 1996-04-25 |
| KR920016480A (ko) | 1992-09-24 |
| EP0497623A3 (en) | 1992-09-09 |
| EP0497623A2 (en) | 1992-08-05 |
| KR940006901B1 (ko) | 1994-07-29 |
| US5275773A (en) | 1994-01-04 |
| TW241279B (enExample) | 1995-02-21 |
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