DE19601764A1 - Verfahren zur Herstellung hydrophiler, hochquellfähiger Hydrogele - Google Patents

Verfahren zur Herstellung hydrophiler, hochquellfähiger Hydrogele

Info

Publication number
DE19601764A1
DE19601764A1 DE19601764A DE19601764A DE19601764A1 DE 19601764 A1 DE19601764 A1 DE 19601764A1 DE 19601764 A DE19601764 A DE 19601764A DE 19601764 A DE19601764 A DE 19601764A DE 19601764 A1 DE19601764 A1 DE 19601764A1
Authority
DE
Germany
Prior art keywords
hydrophilic
gel
group
parts
highly swellable
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.)
Withdrawn
Application number
DE19601764A
Other languages
German (de)
English (en)
Inventor
Fritz Dr Engelhardt
Thomas Dr Daniel
Norbert Dr Herfert
Gustav Remmel
Ulrich Riegel
Uwe Dipl Ing Stueven
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Priority to DE19601764A priority Critical patent/DE19601764A1/de
Priority to EP97100322A priority patent/EP0785224B1/de
Priority to DE59709730T priority patent/DE59709730D1/de
Priority to CA002195373A priority patent/CA2195373A1/en
Priority to JP00690797A priority patent/JP4024894B2/ja
Publication of DE19601764A1 publication Critical patent/DE19601764A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/02Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/03Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
    • C08J3/075Macromolecular gels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Colloid Chemistry (AREA)
DE19601764A 1996-01-19 1996-01-19 Verfahren zur Herstellung hydrophiler, hochquellfähiger Hydrogele Withdrawn DE19601764A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19601764A DE19601764A1 (de) 1996-01-19 1996-01-19 Verfahren zur Herstellung hydrophiler, hochquellfähiger Hydrogele
EP97100322A EP0785224B1 (de) 1996-01-19 1997-01-10 Verfahren zur Herstellung hydrophiler, hochquellfähiger Hydrogele
DE59709730T DE59709730D1 (de) 1996-01-19 1997-01-10 Verfahren zur Herstellung hydrophiler, hochquellfähiger Hydrogele
CA002195373A CA2195373A1 (en) 1996-01-19 1997-01-17 Process for preparing hydrophilic highly swellable hydrogels
JP00690797A JP4024894B2 (ja) 1996-01-19 1997-01-17 親水性高膨潤性ヒドロゲルの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19601764A DE19601764A1 (de) 1996-01-19 1996-01-19 Verfahren zur Herstellung hydrophiler, hochquellfähiger Hydrogele

Publications (1)

Publication Number Publication Date
DE19601764A1 true DE19601764A1 (de) 1997-07-24

Family

ID=7783128

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19601764A Withdrawn DE19601764A1 (de) 1996-01-19 1996-01-19 Verfahren zur Herstellung hydrophiler, hochquellfähiger Hydrogele
DE59709730T Expired - Lifetime DE59709730D1 (de) 1996-01-19 1997-01-10 Verfahren zur Herstellung hydrophiler, hochquellfähiger Hydrogele

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59709730T Expired - Lifetime DE59709730D1 (de) 1996-01-19 1997-01-10 Verfahren zur Herstellung hydrophiler, hochquellfähiger Hydrogele

Country Status (4)

Country Link
EP (1) EP0785224B1 (enExample)
JP (1) JP4024894B2 (enExample)
CA (1) CA2195373A1 (enExample)
DE (2) DE19601764A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7811605B2 (en) 2002-11-06 2010-10-12 Uluru Inc. Method of formation of shape-retentive aggregates of gel particles and their uses
US7351430B2 (en) * 2002-11-06 2008-04-01 Uluru Inc. Shape-retentive hydrogel particle aggregates and their uses
US7163966B2 (en) * 2003-12-19 2007-01-16 Stockhausen, Inc. Superabsorbent polymer having increased rate of water absorption
DE102005014291A1 (de) 2005-03-24 2006-09-28 Basf Ag Verfahren zur Herstellung wasserabsorbierender Polymere
US7910135B2 (en) 2006-10-13 2011-03-22 Uluru Inc. Hydrogel wound dressing and biomaterials formed in situ and their uses
EP2291416A1 (de) 2008-06-19 2011-03-09 Basf Se Verfahren zur kontinuierlichen herstellung wasserabsorbierender polymerpartikel
WO2010006937A1 (de) 2008-07-15 2010-01-21 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel
JP5616437B2 (ja) 2010-04-27 2014-10-29 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
EP2700667B1 (en) 2011-04-20 2017-08-09 Nippon Shokubai Co., Ltd. Process and apparatus for producing water-absorbable resin of polyacrylic acid (salt) type

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1301566B (de) 1966-11-30 1969-08-21 Continental Gummi Werke Ag Verfahren zur Herstellung von hydrolysebestaendigen Polyurethanelastomeren
US4057521A (en) 1974-08-05 1977-11-08 The Dow Chemical Company Absorbent articles made from carboxylic synthetic polyelectrolytes having copolymerized N-substituted acrylamide crosslinker
JPS51125468A (en) 1975-03-27 1976-11-01 Sanyo Chem Ind Ltd Method of preparing resins of high water absorbency
US4041496A (en) 1976-04-26 1977-08-09 Norris Paul R Automatic direction finding system
US4062817A (en) 1977-04-04 1977-12-13 The B.F. Goodrich Company Water absorbent polymers comprising unsaturated carboxylic acid, acrylic ester containing alkyl group 10-30 carbon atoms, and another acrylic ester containing alkyl group 2-8 carbon atoms
US4286082A (en) 1979-04-06 1981-08-25 Nippon Shokubai Kagaku Kogyo & Co., Ltd. Absorbent resin composition and process for producing same
US4295987A (en) 1979-12-26 1981-10-20 The Procter & Gamble Company Cross-linked sodium polyacrylate absorbent
JPS6025045B2 (ja) 1980-03-19 1985-06-15 製鉄化学工業株式会社 塩水吸収能のすぐれたアクリル酸重合体の製造方法
US4381782A (en) * 1981-04-21 1983-05-03 Kimberly-Clark Corporation Highly absorbent materials having good wicking characteristics which comprise hydrogel particles and surfactant treated filler
US4525527A (en) 1982-01-25 1985-06-25 American Colloid Company Production process for highly water absorbable polymer
DE3738602A1 (de) 1987-11-13 1989-05-24 Cassella Ag Hydrophile quellbare pfropfpolymerisate, deren herstellung und verwendung
DE3741157A1 (de) 1987-12-04 1989-06-15 Stockhausen Chem Fab Gmbh Verfahren zur agglomerierung wasserquellbarer polymerer durch schmelz (sinter-)granulation mit pulverfoermigen substanzen und verwendung der granulate
DE3817425A1 (de) 1988-05-21 1989-11-23 Cassella Ag Alkenyl-phosphon- und -phosphin-saeureester, verfahren zu ihrer herstellung sowie unter deren verwendung hergestellte hydrogele und deren verwendung
US4950692A (en) * 1988-12-19 1990-08-21 Nalco Chemical Company Method for reconstituting superabsorbent polymer fines
DE3911433A1 (de) 1989-04-07 1990-10-11 Cassella Ag Hydrophile quellfaehige pfropfpolymerisate, deren herstellung und verwendung
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
US5342899A (en) 1991-05-16 1994-08-30 The Dow Chemical Company Process for recycling aqueous fluid absorbents fines to a polymerizer

Also Published As

Publication number Publication date
JP4024894B2 (ja) 2007-12-19
EP0785224A3 (de) 1998-04-01
EP0785224B1 (de) 2003-04-09
JPH09208710A (ja) 1997-08-12
EP0785224A2 (de) 1997-07-23
DE59709730D1 (de) 2003-05-15
CA2195373A1 (en) 1997-07-20

Similar Documents

Publication Publication Date Title
EP1123330B1 (de) Verfahren zur herstellung von wasserquellbaren hydrophilen polymeren, die polymere sowie deren verwendung
EP1366111B1 (de) Wasserabsorbierendes mittel, verfahren zu seiner herstellung und seine verwendung
EP1165638B1 (de) Vernetzte, hydrophile, hochquellfähige hydrogele, verfahren zu ihrer herstellung und ihre verwendung
EP1123329B1 (de) Hydrophile, hochquellfähige hydrogele sowie verfahren zu ihrer herstellung und verwendung
EP1720934B1 (de) Verfahren zur nachvernetzung wasserabsorbierender polymere
DE19807992C1 (de) Verfahren zur Vernetzung von Hydrogelen mit Bis- und Poly-2-oxazolidinonen
EP1056787B1 (de) Nachvernetzung von hydrogelen mit 2-oxazolidinonen
DE68924249T2 (de) Verfahren zur Herstellung eines absorbierenden Harzes mit guter Beständigkeit.
DE3314019C3 (de) Absorbierendes Mittel
DE69225155T2 (de) Verfahren zur Herstellung eines absorbierenden Harzes
EP1696974B1 (de) Quellbare hydrogelbildende polymere mit geringem feinstaubanteil
EP1735375B1 (de) Quellbare hydrogelbildende polymere mit hoher permeabilität
EP0376118B1 (de) Verfahren zur Herstellung von feinteiligen, gelförmigen, wasserquellbaren Copolymerisaten
DE60107877T2 (de) Wasserabsorbierende harzteilchen aus vernetzten carboxylgruppenhaltigen polymeren mit geringem monomergehalt
EP1056789A1 (de) Vernetzte quellfähige polymere
EP1133525A1 (de) Verfahren zur nachvernetzung von hydrogelen mit n-acyl-2-oxazoli-dinonen
WO2001041819A1 (de) Absorbierende zubereitung
DE19612628A1 (de) Verfahren zur Herstellung von porösen hydrophilen, hochquellfähigen Hydrogelen
EP1427452A1 (de) Super-absorbierende hydrogele bestimmter teilchengroessenverteilung
EP0785223B1 (de) Verwendung von Tensiden bei der Trocknung von hydrophilen, hochquellfähigen Hydrogelen
EP0785224B1 (de) Verfahren zur Herstellung hydrophiler, hochquellfähiger Hydrogele
DE19813443A1 (de) Wasser- und wäßrige Flüssigkeiten absorbierende Polymerisatteilchen, Verfahren zu ihrer Herstellung und ihre Verwendung
DE19926431A1 (de) Absorbierende Mischung

Legal Events

Date Code Title Description
8130 Withdrawal