DE69630441D1 - Wasser-absorbierungsmittel und verfahren und vorrichtung zu dessen herstellung - Google Patents
Wasser-absorbierungsmittel und verfahren und vorrichtung zu dessen herstellungInfo
- Publication number
- DE69630441D1 DE69630441D1 DE69630441T DE69630441T DE69630441D1 DE 69630441 D1 DE69630441 D1 DE 69630441D1 DE 69630441 T DE69630441 T DE 69630441T DE 69630441 T DE69630441 T DE 69630441T DE 69630441 D1 DE69630441 D1 DE 69630441D1
- Authority
- DE
- Germany
- Prior art keywords
- producing
- same
- water absorbing
- absorbing agent
- agent
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
- B29B7/421—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix with screw and additionally other mixing elements on the same shaft, e.g. paddles, discs, bearings, rotor blades of the Banbury type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/401—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft having a casing closely surrounding the rotor, e.g. with a plunger for feeding the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/44—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/565—Screws having projections other than the thread, e.g. pins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/681—Barrels or cylinders for single screws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34120095 | 1995-12-27 | ||
JP34120095 | 1995-12-27 | ||
PCT/JP1996/003782 WO1997024394A1 (en) | 1995-12-27 | 1996-12-25 | Water absorbent and process and equipment for the production thereof |
EP96943288.9A EP0812873B2 (de) | 1995-12-27 | 1996-12-25 | Wasser-absorbierungsmittel und verfahren und vorrichtung zu dessen herstellung |
Publications (3)
Publication Number | Publication Date |
---|---|
DE69630441D1 true DE69630441D1 (de) | 2003-11-27 |
DE69630441T2 DE69630441T2 (de) | 2004-08-12 |
DE69630441T3 DE69630441T3 (de) | 2019-02-28 |
Family
ID=18344150
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69630441.4T Expired - Lifetime DE69630441T3 (de) | 1995-12-27 | 1996-12-25 | Wasser-Absorbierungsmittel und Verfahren und Vorrichtung zu dessen Herstellung |
Country Status (4)
Country | Link |
---|---|
US (1) | US6071976A (de) |
EP (1) | EP0812873B2 (de) |
DE (1) | DE69630441T3 (de) |
WO (1) | WO1997024394A1 (de) |
Families Citing this family (111)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US6228930B1 (en) * | 1997-06-18 | 2001-05-08 | Nippon Shokubai Co., Ltd. | Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule |
US6254990B1 (en) | 1998-02-18 | 2001-07-03 | Nippon Shokubai Co., Ltd. | Surface-crosslinking process for water-absorbent resin |
US6599989B2 (en) | 1998-03-03 | 2003-07-29 | Nippon Skokubai Co., Ltd. | Water-absorbent agents containing polycarboxylic amine chelating agents |
WO1999047587A1 (en) * | 1998-03-19 | 1999-09-23 | Geltex Pharmaceuticals, Inc. | Continuous crosslinking of polymer gels |
US6103785A (en) * | 1998-03-26 | 2000-08-15 | Nippon Shokubai Co., Ltd. | Water-absorbing agent and its production process and use |
US6562879B1 (en) | 1999-02-15 | 2003-05-13 | Nippon Shokubai Co., Ltd. | Water-absorbent resin powder and its production process and use |
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 |
US6414054B1 (en) * | 1999-12-21 | 2002-07-02 | General Electric Company | Continuous preparation of heat-vulcanizable silicone compositions |
DE60112630T3 (de) | 2000-02-29 | 2016-03-03 | Nippon Shokubai Co., Ltd. | Verfaren zur Herstellung eines wasserabsorbierenden Harzpulvers |
US6927268B2 (en) * | 2000-06-21 | 2005-08-09 | Nippon Shokubai Co., Ltd. | Production process for water-absorbent resin |
US6906159B2 (en) * | 2000-08-03 | 2005-06-14 | Nippon Shokubai Co., Ltd. | Water-absorbent resin, hydropolymer, process for producing them, and uses of them |
US6720389B2 (en) * | 2000-09-20 | 2004-04-13 | Nippon Shokubai Co., Ltd. | Water-absorbent resin and production process therefor |
KR100579940B1 (ko) | 2001-04-16 | 2006-05-15 | 스미토모 세이카 가부시키가이샤 | 고분자량체 함유 점성액의 흡수에 적합한 흡수성 수지, 및그것을 이용한 흡수체와 흡수성 물품 |
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 |
WO2003022896A1 (en) | 2001-09-12 | 2003-03-20 | Dow Global Technologies Inc. | A continuous polymerization process for the manufacture of superabsorbent polymers |
US7745686B2 (en) * | 2001-11-02 | 2010-06-29 | Playtex Products, Inc. | Catamenial device |
KR100504592B1 (ko) | 2001-12-19 | 2005-08-03 | 니폰 쇼쿠바이 컴파니 리미티드 | 수흡수성 수지 및 그의 제조방법 |
EP1456259B1 (de) * | 2001-12-19 | 2009-09-02 | Nippon Shokubai Co., Ltd. | Acrylsäurezusammensetzung und verfahren zu ihrer herstellung, verfahren zur herstellung von wasserabsorbierendem harz, bei dem diese acrylsäurezusammensetzung zur anwendung kommt, und wasserabsorbierendes harz |
JP3905765B2 (ja) * | 2002-01-30 | 2007-04-18 | 株式会社日本触媒 | アクリル酸及びポリアクリル酸製造プロセス廃出物の処理方法 |
MXPA04005565A (es) * | 2002-06-06 | 2004-12-06 | Nippon Catalytic Chem Ind | Composicion de agente de absorcion de agua y metodo para la produccion de la misma y material de absorcion y articulo absorbente. |
JP4056336B2 (ja) * | 2002-09-19 | 2008-03-05 | 株式会社日本触媒 | アクリル酸及びアクリル酸エステルプロセス廃棄物の処理方法 |
DE10249822A1 (de) * | 2002-10-25 | 2004-05-13 | Stockhausen Gmbh & Co. Kg | Zweistufiges Mischverfahren zur Herstellung eines absorbierenden Polymers |
BR0315632A (pt) * | 2002-10-25 | 2005-08-23 | Stockhausen Chem Fab Gmbh | Processo de mistura em duas etapas para produzir um polìmero absorvente, polìmero e compósito obtidos e seus usos |
US7193006B2 (en) | 2002-12-06 | 2007-03-20 | Nippon Shokubai Co., Ltd. | Process for continuous production of water-absorbent resin product |
AU2004209957B2 (en) | 2003-02-10 | 2006-06-08 | Nippon Shokubai Co., Ltd. | Particulate water absorbent containing water absorbent resin as a main component |
US8247491B2 (en) | 2003-02-10 | 2012-08-21 | Nippon Shokubai Co., Ltd. | Water-absorbent resin composition and its production process |
JP4460851B2 (ja) * | 2003-05-27 | 2010-05-12 | 株式会社日本触媒 | 吸水性樹脂の整粒方法 |
JP4266710B2 (ja) * | 2003-05-30 | 2009-05-20 | 株式会社日本触媒 | 吸水性樹脂の製造方法および鋤型混合装置 |
KR100709911B1 (ko) * | 2003-06-24 | 2007-04-24 | 니폰 쇼쿠바이 컴파니 리미티드 | 흡수성 수지 조성물 및 이의 제조 방법 |
US9796853B2 (en) * | 2003-07-25 | 2017-10-24 | Nippon Shokubai Co., Ltd. | Water-absorbent resin composition and method for producing thereof, and absorbent material and absorbent product using thereof |
EP1512417B1 (de) | 2003-09-02 | 2013-06-19 | Nippon Shokubai Co., Ltd. | Teilchenförmige, wasserabsorbierende Harzzusammensetzung |
WO2005044915A1 (en) * | 2003-11-07 | 2005-05-19 | Nippon Shokubai Co., Ltd. | Particulate water-absorbent resin composition and its production process |
WO2005053381A1 (en) * | 2003-12-05 | 2005-06-16 | Nippon Shokubai Co., Ltd. | Particulate water retaining material for cultivating plant having water absorbent resin as main component |
EP1721663B1 (de) * | 2004-02-05 | 2016-12-14 | Nippon Shokubai Co.,Ltd. | Teilchenförmiges wasserabsorptionsmittel und herstellungsverfahren dafür und wasserabsorbierender artikel |
EP1730218B1 (de) * | 2004-03-29 | 2010-12-22 | Nippon Shokubai Co.,Ltd. | Teilchenförmiges wasserabsorptionsmittel mit unregelmässiger pulverform |
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JP2006068731A (ja) * | 2004-08-06 | 2006-03-16 | Nippon Shokubai Co Ltd | 吸水性樹脂を主成分とする粒子状吸水剤、その製造方法及び吸収性物品 |
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EP1878761B1 (de) * | 2005-03-14 | 2018-10-17 | Nippon Shokubai Co.,Ltd. | Wasserabsorbierendes element und herstellungsverfahren dafür |
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EP1837348B9 (de) | 2006-03-24 | 2020-01-08 | Nippon Shokubai Co.,Ltd. | Wasserabsorbierendes Harz und Verfahren zu seiner Herstellung |
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 |
EP2010316B1 (de) * | 2006-03-27 | 2021-10-13 | Nippon Shokubai Co.,Ltd. | Wasserabsorbierendes mittel und wasserabsorbierender kern mit dem wasserabsorbierenden mittel |
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JP5611523B2 (ja) | 2007-03-29 | 2014-10-22 | 株式会社日本触媒 | 粒子状吸水剤及びその製造方法 |
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WO2009123197A1 (ja) | 2008-03-31 | 2009-10-08 | 株式会社日本触媒 | 吸水性樹脂を主成分とする粒子状吸水剤の製造方法及びその製造装置 |
EP2270074B1 (de) | 2008-04-11 | 2021-05-26 | Nippon Shokubai Co., Ltd. | Verfahren zur oberflächenbehandlung von wasserabsorbierendem harz und verfahren zur herstellung von wasserabsorbierendem harz |
WO2009130915A1 (ja) | 2008-04-25 | 2009-10-29 | 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 |
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JP5600670B2 (ja) | 2009-02-17 | 2014-10-01 | 株式会社日本触媒 | ポリアクリル酸系吸水性樹脂粉末およびその製造方法 |
CN102341435B (zh) | 2009-03-04 | 2016-04-20 | 株式会社日本触媒 | 吸水性树脂的制造方法 |
CN102378778A (zh) | 2009-03-31 | 2012-03-14 | 株式会社日本触媒 | 颗粒状吸水性树脂的制造方法 |
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CN102791774B (zh) | 2010-03-08 | 2016-06-29 | 株式会社日本触媒 | 颗粒状含水凝胶状交联聚合物的干燥方法 |
WO2011111856A1 (ja) | 2010-03-12 | 2011-09-15 | 株式会社日本触媒 | 吸水性樹脂の製造方法 |
US9453091B2 (en) | 2010-03-17 | 2016-09-27 | Nippon Shokubai Co., Ltd. | Method of producing water absorbent resin |
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-
1996
- 1996-12-25 DE DE69630441.4T patent/DE69630441T3/de not_active Expired - Lifetime
- 1996-12-25 WO PCT/JP1996/003782 patent/WO1997024394A1/ja active IP Right Grant
- 1996-12-25 EP EP96943288.9A patent/EP0812873B2/de not_active Expired - Lifetime
- 1996-12-25 US US08/894,677 patent/US6071976A/en not_active Expired - Lifetime
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US6071976A (en) | 2000-06-06 |
EP0812873A1 (de) | 1997-12-17 |
WO1997024394A1 (en) | 1997-07-10 |
EP0812873A4 (de) | 2000-03-15 |
EP0812873B2 (de) | 2018-10-24 |
EP0812873B9 (de) | 2004-09-01 |
EP0812873B1 (de) | 2003-10-22 |
DE69630441T3 (de) | 2019-02-28 |
DE69630441T2 (de) | 2004-08-12 |
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