ATE175217T1 - Verfahren zum recycling von wasserabsorbierendem feinkörnigem gut in eine polymerisationsvorrichtung - Google Patents

Verfahren zum recycling von wasserabsorbierendem feinkörnigem gut in eine polymerisationsvorrichtung

Info

Publication number
ATE175217T1
ATE175217T1 AT92108141T AT92108141T ATE175217T1 AT E175217 T1 ATE175217 T1 AT E175217T1 AT 92108141 T AT92108141 T AT 92108141T AT 92108141 T AT92108141 T AT 92108141T AT E175217 T1 ATE175217 T1 AT E175217T1
Authority
AT
Austria
Prior art keywords
fines
aqueous fluid
fluid absorbent
absorbent polymer
polymer
Prior art date
Application number
AT92108141T
Other languages
English (en)
Inventor
Andrew T Graham
Herbert Gartner
Original Assignee
Dow Chemical Co
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=24816532&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE175217(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of ATE175217T1 publication Critical patent/ATE175217T1/de

Links

Classifications

    • 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
    • C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Graft Or Block Polymers (AREA)
AT92108141T 1991-05-16 1992-05-14 Verfahren zum recycling von wasserabsorbierendem feinkörnigem gut in eine polymerisationsvorrichtung ATE175217T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/701,232 US5342899A (en) 1991-05-16 1991-05-16 Process for recycling aqueous fluid absorbents fines to a polymerizer

Publications (1)

Publication Number Publication Date
ATE175217T1 true ATE175217T1 (de) 1999-01-15

Family

ID=24816532

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92108141T ATE175217T1 (de) 1991-05-16 1992-05-14 Verfahren zum recycling von wasserabsorbierendem feinkörnigem gut in eine polymerisationsvorrichtung

Country Status (9)

Country Link
US (1) US5342899A (de)
EP (1) EP0513780B2 (de)
JP (1) JP3155006B2 (de)
KR (1) KR100231077B1 (de)
AT (1) ATE175217T1 (de)
CA (1) CA2068859A1 (de)
DE (1) DE69228019T3 (de)
MX (1) MX9202309A (de)
WO (1) WO1992020723A1 (de)

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4412153C2 (de) * 1994-04-11 1999-08-19 Stockhausen Chem Fab Gmbh Absorptionsmittel für Säuren und Laugen
GB9413605D0 (en) * 1994-07-06 1994-08-24 American Colloid Co Method of increasing the size and absorption under load of super-absorbent fine particles by impregnation with an aqueous acrylic monomer solution
DE19601764A1 (de) 1996-01-19 1997-07-24 Hoechst Ag Verfahren zur Herstellung hydrophiler, hochquellfähiger Hydrogele
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
JPH11279287A (ja) * 1998-03-31 1999-10-12 Nippon Shokubai Co Ltd 吸水剤組成物および吸水剤の製造方法
DE60112630T3 (de) 2000-02-29 2016-03-03 Nippon Shokubai Co., Ltd. Verfaren zur Herstellung eines wasserabsorbierenden Harzpulvers
DE60107877T2 (de) * 2000-12-29 2005-12-15 Dow Global Technologies, Inc., Midland Wasserabsorbierende harzteilchen aus vernetzten carboxylgruppenhaltigen polymeren mit geringem monomergehalt
BR0210232A (pt) * 2001-06-29 2004-04-06 Dow Global Technologies Inc Processo para a preparação de um polìmero absorvente de água, polìmero obtido e estrutura absorvente
BR0211309A (pt) * 2001-06-29 2004-09-28 Dow Global Technologies Inc Polìmeros superabsorventes contendo carboxila com propriedades de controle de odor e método para preparação
ATE320238T1 (de) * 2001-06-29 2006-04-15 Dow Global Technologies Inc Superabsorbierende carboxylhaltige polymere mit geruchseindämmenden eigenschaften und verfahren zu ihrer herstellung
KR100909182B1 (ko) * 2001-09-12 2009-07-23 에보닉 스톡하우젠 게엠베하 초흡수성 중합체를 제조하기 위한 연속식 중합방법
US20030197305A1 (en) * 2002-04-23 2003-10-23 Mike Collins Method of using clays to form absorbent materials
BR0312326A (pt) * 2002-06-26 2005-04-12 Dow Global Technologies Inc Processo para a preparação de polìmeros absorventes de água contendo ìons ferro com baixo teor de monÈmero
DE10334271B4 (de) 2003-07-25 2006-02-23 Stockhausen Gmbh Verfahren zur Agglomeration von Superabsorberfeinteilchen, daraus erhältliche Superabsorberpartikel, deren Verwendung sowie diese beinhaltende Verbunde
KR20070104663A (ko) 2005-02-15 2007-10-26 니폰 쇼쿠바이 컴파니 리미티드 수 흡수제, 수 흡수제품 및 수 흡수제의 제조방법
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
DE102005062929A1 (de) 2005-12-29 2007-07-05 Basf Ag Herstellung eines wasserabsorbierenden Harzes unter Einmischen eines wasserabsorbierenden Harzpulvers
EP1837348B9 (de) † 2006-03-24 2020-01-08 Nippon Shokubai Co.,Ltd. Wasserabsorbierendes Harz und Verfahren zu seiner Herstellung
US8048624B1 (en) 2007-12-04 2011-11-01 Opx Biotechnologies, Inc. Compositions and methods for 3-hydroxypropionate bio-production from biomass
US9457048B2 (en) 2008-02-05 2016-10-04 Wellosophy Corporation Absorbent ingestible agents and associated methods of manufacture and use
US8148485B2 (en) 2008-03-13 2012-04-03 Nippon Shokubai Co., Ltd. Production method for water-absorbing resin
US8410223B2 (en) 2008-03-28 2013-04-02 Nippon Shokubai Co., Ltd. Production method for water-absorbing resin
WO2010032694A1 (ja) 2008-09-16 2010-03-25 株式会社日本触媒 吸水性樹脂の製造方法および通液性向上方法
TWI454488B (zh) * 2008-10-07 2014-10-01 Evonik Degussa Gmbh 用於製造超吸性聚合物的方法
TWI500636B (zh) * 2008-10-07 2015-09-21 Evonik Degussa Gmbh 用於製造超吸性聚合物的方法
TWI500663B (zh) * 2008-10-07 2015-09-21 Evonik Degussa Gmbh 用於製造超吸性聚合物的連續方法
US8048942B2 (en) * 2008-10-08 2011-11-01 Evonik Stockhausen Gmbh Process for the production of a superabsorbent polymer
US8357766B2 (en) 2008-10-08 2013-01-22 Evonik Stockhausen Gmbh Continuous process for the production of a superabsorbent polymer
US8063121B2 (en) * 2008-10-08 2011-11-22 Evonik Stockhausen Gmbh Process for the production of a superabsorbent polymer
US7910688B2 (en) 2008-10-22 2011-03-22 Evonik Stockhausen Inc. Recycling superabsorbent polymer fines
JP5631866B2 (ja) 2009-03-31 2014-11-26 株式会社日本触媒 粒子状吸水性樹脂の製造方法
KR20110006771A (ko) 2009-07-15 2011-01-21 주식회사 엘지화학 고흡수성 수지의 제조 방법
CN102498134B (zh) 2009-09-16 2013-10-30 株式会社日本触媒 吸水性树脂粉末的制造方法
US8809027B1 (en) 2009-09-27 2014-08-19 Opx Biotechnologies, Inc. Genetically modified organisms for increased microbial production of 3-hydroxypropionic acid involving an oxaloacetate alpha-decarboxylase
MX2012003604A (es) 2009-09-27 2012-09-12 Opx Biotechnologies Inc Metodo para producir acido 3-hidroxipropionico y otros productos.
JP5801203B2 (ja) 2009-09-29 2015-10-28 株式会社日本触媒 粒子状吸水剤及びその製造方法
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
US20120184690A1 (en) 2009-10-09 2012-07-19 Basf Se Method for Continuous Production of Water-Absorbent Polymer Particles
US20110125118A1 (en) * 2009-11-20 2011-05-26 Opx Biotechnologies, Inc. Production of an Organic Acid and/or Related Chemicals
US9574019B2 (en) * 2009-11-23 2017-02-21 Basf Se Methods for producing water-absorbent foamed polymer particles
KR101895624B1 (ko) * 2009-12-24 2018-09-05 가부시키가이샤 닛폰 쇼쿠바이 폴리아크릴산계 흡수성 수지분말 및 그 제조방법
DE102010008163A1 (de) 2010-02-16 2011-08-18 Evonik Stockhausen GmbH, 47805 Verfahren zur Rückführung von Polymerfeinteilchen
JP5632906B2 (ja) * 2010-03-12 2014-11-26 株式会社日本触媒 吸水性樹脂の製造方法
EP2371869A1 (de) 2010-03-30 2011-10-05 Evonik Stockhausen GmbH Verfahren zur Herstellung eines hochabsorbierenden Polymers
EP2565219B1 (de) 2010-04-27 2018-06-27 Nippon Shokubai Co., Ltd. Verfahren zur herstellung eines wasserabsorbierenden harzpulvers auf polyacrylsäure(salz)basis
WO2012102407A1 (ja) 2011-01-28 2012-08-02 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
CA2868113A1 (en) 2011-03-22 2012-09-27 Opx Biotechnologies, Inc. Microbial production of chemical products and related compositions, methods and systems
EP2700667B1 (de) 2011-04-20 2017-08-09 Nippon Shokubai Co., Ltd. Verfahren und vorrichtung zur herstellung eines wasserabsorbierbaren harzes mit einer polyacrylsäure oder einem salz davon
EP2620465B2 (de) 2012-01-27 2018-03-28 Evonik Degussa GmbH Wärmebehandlung von wasserabsorbierenden Polymerpartikeln in einem Wirbelbett bei hoher Aufheizrate
EP2881420B1 (de) 2012-08-01 2022-10-19 Nippon Shokubai Co., Ltd. Herstellungsverfahren für ein wasserabsorbierendes harz auf polyacrylsäure(salz)basis
MX2015001780A (es) 2012-08-10 2015-09-28 Opx Biotechnologies Inc Microorganismos y métodos para la producción de ácidos grasos y productos derivados de ácidos grasos.
WO2014041969A1 (ja) 2012-09-11 2014-03-20 株式会社日本触媒 ポリアクリル酸（塩）系吸水剤の製造方法及びその吸水剤
KR102124670B1 (ko) 2012-09-11 2020-06-18 가부시키가이샤 닛폰 쇼쿠바이 폴리아크릴산(염)계 흡수제의 제조 방법 및 그 흡수제
WO2014054656A1 (ja) 2012-10-01 2014-04-10 株式会社日本触媒 多元金属化合物からなる粉塵低減剤、多元金属化合物を含む吸水剤及びその製造方法
EP3369480B1 (de) 2012-10-03 2020-01-01 Nippon Shokubai Co., Ltd. Wasserabsorbierendes mittel
ES2688532T3 (es) 2013-01-18 2018-11-05 Basf Se Composiciones de recubrimiento a base de dispersión acrílica
KR102236466B1 (ko) 2013-01-29 2021-04-07 가부시키가이샤 닛폰 쇼쿠바이 흡수성 수지 재료 및 그의 제조 방법
US20150119601A1 (en) 2013-03-15 2015-04-30 Opx Biotechnologies, Inc. Monofunctional mcr + 3-hp dehydrogenase
EP2976141A4 (de) 2013-03-15 2016-10-05 Cargill Inc Blitzverdampfung für produktionsreinigung und rückgewinnung
WO2014145344A2 (en) 2013-03-15 2014-09-18 Opx Biotechnologies, Inc. Control of growth-induction-production phases
US11408013B2 (en) 2013-07-19 2022-08-09 Cargill, Incorporated Microorganisms and methods for the production of fatty acids and fatty acid derived products
EP3022310B1 (de) 2013-07-19 2019-10-16 Cargill, Incorporated Mikroorganismen und verfahren zur herstellung von fettsäuren und aus fettsäuren gewonnenen produkten
KR101718942B1 (ko) * 2013-09-17 2017-03-22 주식회사 엘지화학 고흡수성 수지의 제조 방법
WO2015093594A1 (ja) 2013-12-20 2015-06-25 株式会社日本触媒 ポリアクリル酸（塩）系吸水剤及びその製造方法
WO2015102463A1 (ko) * 2014-01-06 2015-07-09 한화케미칼 주식회사 고흡수성 수지 제조 방법
TW201533077A (zh) * 2014-01-06 2015-09-01 Hanwha Chemical Corp 用於製備超吸收聚合物之方法（一）
US9896529B2 (en) 2014-03-03 2018-02-20 Nippon Shokubai Co., Ltd. Method for producing polyacrylic acid (salt)-based water-absorbable resin
US9446271B1 (en) * 2014-07-14 2016-09-20 Nicholas A. Perez Fire and smoke prevention compositions and the processes of making them
EP2993228B1 (de) 2014-09-02 2019-10-09 Cargill, Incorporated Herstellung von fettsäureestern
SG11201708206RA (en) * 2015-04-07 2017-11-29 Basf Se Method for producing super absorber particles
CN105131314B (zh) * 2015-09-23 2018-04-03 浙江卫星石化股份有限公司 一种吸水树脂的制备方法
CN105295926B (zh) * 2015-10-30 2019-10-29 四川省农业科学院生物技术核技术研究所 一种抗结块的农用吸水树脂复合剂
DE102016100515A1 (de) 2016-01-13 2017-07-13 Basf Se Verfahren zur Herstellung eines geschäumten Polymers (gP)
KR102069830B1 (ko) 2016-02-03 2020-01-23 주식회사 엘지화학 초흡수성 응집체를 제조하는 방법
US11345938B2 (en) 2017-02-02 2022-05-31 Cargill, Incorporated Genetically modified cells that produce C6-C10 fatty acid derivatives
KR102566942B1 (ko) * 2017-10-27 2023-08-14 주식회사 엘지화학 고흡수성 수지의 제조 방법
JP7231522B2 (ja) * 2019-09-06 2023-03-01 ユニ・チャーム株式会社 再生高吸水性ポリマーを製造する方法、再生高吸水性ポリマーを用いて高吸水性ポリマーを製造する方法、及び、再生高吸水性ポリマー
KR102541494B1 (ko) 2019-09-11 2023-06-08 주식회사 엘지화학 고흡수성 수지의 제조 방법
JP7572800B2 (ja) * 2020-06-30 2024-10-24 株式会社日本触媒 吸水剤の製造方法
WO2023149576A1 (ja) 2022-02-04 2023-08-10 株式会社日本触媒 リサイクル吸水性樹脂を含む吸水性樹脂の製造方法、およびその利用
JPWO2025033458A1 (de) 2023-08-09 2025-02-13

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4192727A (en) † 1976-08-24 1980-03-11 Union Carbide Corporation Polyelectrolyte hydrogels and methods of their preparation
ES8602873A1 (es) * 1983-08-10 1985-12-01 Kao Corp Un procedimiento para preparar una resina absorbente de agua y muy reactiva
US4654039A (en) † 1985-06-18 1987-03-31 The Proctor & Gamble Company Hydrogel-forming polymer compositions for use in absorbent structures
US4950692A (en) * 1988-12-19 1990-08-21 Nalco Chemical Company Method for reconstituting superabsorbent polymer fines
FI913536A0 (fi) * 1989-01-24 1991-07-23 Dow Chemical Co Aggregat eller cluster bestaoende av i vatten svaellbara polymerer med oekad hydratiseringshastighet aen icke associerade i vatten svaellbara polymerer.
US4914066A (en) * 1989-02-24 1990-04-03 Hoechst Celanese Corporation Pellets of clay and superabsorbent polymer
US4985467A (en) * 1989-04-12 1991-01-15 Scotfoam Corporation Highly absorbent polyurethane foam
JPH0776244B2 (ja) † 1989-07-19 1995-08-16 荒川化学工業株式会社 水可溶分の少ない吸水性樹脂の製造法
US5064582A (en) * 1989-09-15 1991-11-12 The Dow Chemical Company Process and apparatus for recycling aqueous fluid absorbents fines
PT95647A (pt) * 1989-10-25 1991-09-13 Hoechst Celanese Corp Processo para a producao de fibras de polimeros
US4990541A (en) * 1989-11-09 1991-02-05 Hoechst Celanese Corp. Water absorbent latex polymer foams
US5011864A (en) * 1989-11-09 1991-04-30 Hoechst Celanese Corp. Water absorbent latex polymer foams containing chitosan (chitin)
DE69021190T2 (de) * 1990-01-16 1995-12-07 Hoechst Celanese Corp Superabsorbierende, nassgelegte, nichtgewebte Faserbahn.
US4970267A (en) * 1990-03-08 1990-11-13 Nalco Chemical Company Reconstitution of superabsorbent polymer fines using persulfate salts
DE69124749T2 (de) * 1990-04-27 1997-06-12 Nippon Catalytic Chem Ind Verfahren zur Herstellung von salzbeständigem Harz
US5350799A (en) * 1990-05-31 1994-09-27 Hoechst Celanese Corporation Process for the conversion of fine superabsorbent polymer particles into larger particles
DE4021847C2 (de) * 1990-07-09 1994-09-08 Stockhausen Chem Fab Gmbh Verfahren zur Herstellung wasserquellbarer Produkte unter Verwendung von Feinstanteilen wasserquellbarer Polymerer

Also Published As

Publication number Publication date
JPH06510551A (ja) 1994-11-24
DE69228019D1 (de) 1999-02-11
DE69228019T2 (de) 1999-08-26
KR100231077B1 (ko) 1999-11-15
EP0513780B2 (de) 2007-03-14
US5342899A (en) 1994-08-30
JP3155006B2 (ja) 2001-04-09
WO1992020723A1 (en) 1992-11-26
CA2068859A1 (en) 1992-11-17
MX9202309A (es) 1992-11-01
EP0513780A1 (de) 1992-11-19
EP0513780B1 (de) 1998-12-30
DE69228019T3 (de) 2007-10-11

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