DE2520336A1 - Verfahren zum herstellen von wasser aufnehmenden, aber darin unloeslichen celluloseaethern - Google Patents

Verfahren zum herstellen von wasser aufnehmenden, aber darin unloeslichen celluloseaethern

Info

Publication number
DE2520336A1
DE2520336A1 DE19752520336 DE2520336A DE2520336A1 DE 2520336 A1 DE2520336 A1 DE 2520336A1 DE 19752520336 DE19752520336 DE 19752520336 DE 2520336 A DE2520336 A DE 2520336A DE 2520336 A1 DE2520336 A1 DE 2520336A1
Authority
DE
Germany
Prior art keywords
cellulose
water
reaction medium
cellulose ethers
absorbing
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Withdrawn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
DE19752520336
Other languages
German (de)
English (en)
Inventor
Arno Dr Holst
Michael Dr Kostrzewa
Helmut Lask
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 DE19752520336 priority Critical patent/DE2520336A1/de
Priority to JP51051271A priority patent/JPS51136771A/ja
Priority to BE166714A priority patent/BE841439R/xx
Priority to CA251,760A priority patent/CA1062254A/en
Priority to NL7604731A priority patent/NL7604731A/xx
Priority to ES447624A priority patent/ES447624A2/es
Priority to SE7605139A priority patent/SE7605139L/xx
Priority to ZA76204A priority patent/ZA762704B/xx
Priority to IT49323/76A priority patent/IT1061240B/it
Priority to AU13634/76A priority patent/AU498401B2/en
Priority to LU74881A priority patent/LU74881A1/xx
Priority to AR263201A priority patent/AR214719A1/es
Priority to GB18483/76A priority patent/GB1552862A/en
Priority to FI761259A priority patent/FI761259A/fi
Priority to FR7613621A priority patent/FR2310357A2/fr
Priority to DK203476A priority patent/DK203476A/da
Priority to BR2859/76A priority patent/BR7602859A/pt
Priority to US05/683,968 priority patent/US4068067A/en
Publication of DE2520336A1 publication Critical patent/DE2520336A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
    • C08B15/10—Crosslinking of cellulose
    • 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
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/28—Polysaccharides or their derivatives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B11/00—Preparation of cellulose ethers
    • C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
    • C08B15/005—Crosslinking of cellulose derivatives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Biochemistry (AREA)
  • Organic Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Hematology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
DE19752520336 1975-05-07 1975-05-07 Verfahren zum herstellen von wasser aufnehmenden, aber darin unloeslichen celluloseaethern Withdrawn DE2520336A1 (de)

Priority Applications (18)

Application Number Priority Date Filing Date Title
DE19752520336 DE2520336A1 (de) 1975-05-07 1975-05-07 Verfahren zum herstellen von wasser aufnehmenden, aber darin unloeslichen celluloseaethern
JP51051271A JPS51136771A (en) 1975-05-07 1976-05-04 Prooess for preparing cellulose ether waterrabsorptive but at least partially insoluble
BE166714A BE841439R (fr) 1975-05-07 1976-05-04 Procede pour produire des ethers cellulosiques hydrophiles insolubles dans l'eau
CA251,760A CA1062254A (en) 1975-05-07 1976-05-04 Process for the production of water-adsorbing cellulose ethers
NL7604731A NL7604731A (nl) 1975-05-07 1976-05-04 Werkwijze voor het bereiden van wateropnemende celluloseethers.
ES447624A ES447624A2 (es) 1975-05-07 1976-05-05 Un procedimiento para la produccion de eteres celulosicos absorbentes de agua.
SE7605139A SE7605139L (sv) 1975-05-07 1976-05-05 Forfarande for framstellning av vattenupptagande cellulosaetrar
ZA76204A ZA762704B (en) 1975-05-07 1976-05-05 Process for the manufacture of wateradsorbing but water-insoluble cellulose ethers
IT49323/76A IT1061240B (it) 1975-05-07 1976-05-05 Procedimento per la produzione di eteri di cellulosa assorbenti acqua ma insolubili in essa
AU13634/76A AU498401B2 (en) 1975-05-07 1976-05-05 Water adsorbing crosslinked cellulose ethers
LU74881A LU74881A1 (US06633782-20031014-M00005.png) 1975-05-07 1976-05-05
AR263201A AR214719A1 (es) 1975-05-07 1976-05-05 Procedimiento para la obtencion de eteres celulosicos capaces de embeber agua
GB18483/76A GB1552862A (en) 1975-05-07 1976-05-05 Process for the manufacture of water-adsorbing but water insoluble cellulose ethers
FI761259A FI761259A (US06633782-20031014-M00005.png) 1975-05-07 1976-05-05
FR7613621A FR2310357A2 (fr) 1975-05-07 1976-05-06 Procede pour produire des ethers cellulosiques hydrophiles insolubles dans l'eau
DK203476A DK203476A (da) 1975-05-07 1976-05-06 Fremgangsmade til fremstilling af vandsugende celluloseethere
BR2859/76A BR7602859A (pt) 1975-05-07 1976-05-06 Processo para a preparacao de eteres de celulose absorvedores de agua
US05/683,968 US4068067A (en) 1975-05-07 1976-05-06 Process for the production of water-adsorbing cellulose ethers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752520336 DE2520336A1 (de) 1975-05-07 1975-05-07 Verfahren zum herstellen von wasser aufnehmenden, aber darin unloeslichen celluloseaethern

Publications (1)

Publication Number Publication Date
DE2520336A1 true DE2520336A1 (de) 1976-11-18

Family

ID=5946000

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752520336 Withdrawn DE2520336A1 (de) 1975-05-07 1975-05-07 Verfahren zum herstellen von wasser aufnehmenden, aber darin unloeslichen celluloseaethern

Country Status (18)

Country Link
US (1) US4068067A (US06633782-20031014-M00005.png)
JP (1) JPS51136771A (US06633782-20031014-M00005.png)
AR (1) AR214719A1 (US06633782-20031014-M00005.png)
AU (1) AU498401B2 (US06633782-20031014-M00005.png)
BE (1) BE841439R (US06633782-20031014-M00005.png)
BR (1) BR7602859A (US06633782-20031014-M00005.png)
CA (1) CA1062254A (US06633782-20031014-M00005.png)
DE (1) DE2520336A1 (US06633782-20031014-M00005.png)
DK (1) DK203476A (US06633782-20031014-M00005.png)
ES (1) ES447624A2 (US06633782-20031014-M00005.png)
FI (1) FI761259A (US06633782-20031014-M00005.png)
FR (1) FR2310357A2 (US06633782-20031014-M00005.png)
GB (1) GB1552862A (US06633782-20031014-M00005.png)
IT (1) IT1061240B (US06633782-20031014-M00005.png)
LU (1) LU74881A1 (US06633782-20031014-M00005.png)
NL (1) NL7604731A (US06633782-20031014-M00005.png)
SE (1) SE7605139L (US06633782-20031014-M00005.png)
ZA (1) ZA762704B (US06633782-20031014-M00005.png)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2547650B2 (de) * 1975-10-24 1981-01-22 Hoechst Ag, 6000 Frankfurt Flächenförmiges saugfähiges Schichtgebilde
JPS53149190A (en) * 1977-06-01 1978-12-26 Sanyo Chem Ind Ltd Water absorbing agent
DE2823736A1 (de) * 1978-05-31 1979-12-13 Hoechst Ag Verfahren und vorrichtung zur herstellung von quellfaehiger, vernetzter carboxyalkylcellulose aus natuerlich vorkommender cellulose oder cellulosehydrat und deren verwendung
JPS6190657A (ja) * 1984-10-11 1986-05-08 三井東圧化学株式会社 尿の吸収・保持剤
IT1218202B (it) * 1988-03-30 1990-04-12 Mini Ricerca Scient Tecnolog Emulsioni acquose di poliisocianati e procedimento per la loro preparazione
AT394859B (de) * 1988-12-16 1992-07-10 Brigl & Bergmeister Bodenverbesserungsmittel
US5550189A (en) * 1992-04-17 1996-08-27 Kimberly-Clark Corporation Modified polysaccharides having improved absorbent properties and process for the preparation thereof
GB2284421A (en) * 1993-12-02 1995-06-07 Courtaulds Plc Treatment of cellulose
US20060142481A1 (en) * 2004-12-29 2006-06-29 Herriott Carole W Method for making a mixed polymer network
US20060142476A1 (en) * 2004-12-29 2006-06-29 Weerawarna S A Crosslinked carboxylated polymer
US7300965B2 (en) 2004-12-29 2007-11-27 Weyerhaeuser Company Mixed polymer network
US7541396B2 (en) * 2004-12-29 2009-06-02 Weyerhaeuser Nr Company Method for making carboxyalkyl cellulose
US20060142477A1 (en) * 2004-12-29 2006-06-29 Glasser Wolfgang G Method for making sulfoalkylated cellulose polymer network
US7393905B2 (en) * 2004-12-29 2008-07-01 Weyerhaeuser Company Crosslinked mixed carboxylated polymer network
US20060142484A1 (en) * 2004-12-29 2006-06-29 Glasser Wolfgang G Sulfoalkylated cellulose polymer network
US7230049B2 (en) * 2004-12-29 2007-06-12 Weyerhaeuser Co. Method of crosslinking a carboxylated polymer using a triazine crosslinking activator
US20060142561A1 (en) * 2004-12-29 2006-06-29 Mengkui Luo Carboxyalkyl cellulose
US20060142478A1 (en) * 2004-12-29 2006-06-29 Mengkui Luo Carboxyalkyl cellulose polymer network
US7241836B2 (en) * 2004-12-29 2007-07-10 Weyerhaeuser Co. Method of crosslinking a mixture of carboxylated polymers using a triazine crosslinking activator
CN114539430B (zh) * 2022-01-05 2023-04-07 安徽农业大学 一种改性羧甲基纤维素及其制备方法与应用

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1884629A (en) * 1929-11-20 1932-10-25 Dreyfus Henry Treatment of cellulose and derivatives thereof
US2517577A (en) * 1946-12-10 1950-08-08 Hercules Powder Co Ltd Preparation of carboxyalkyl ethers of cellulose
US2667480A (en) * 1950-07-05 1954-01-26 Du Pont Manufacture of cellulose ether
US3085087A (en) * 1956-09-13 1963-04-09 Hercules Powder Co Ltd Preparation of carboxyalkyl cellulose ethers
US3069409A (en) * 1958-06-12 1962-12-18 Hercules Powder Co Ltd Process of preparing carboxyalkyl cellulose ethers
US3589364A (en) * 1968-03-14 1971-06-29 Buckeye Cellulose Corp Bibulous cellulosic fibers
DE2357079C2 (de) * 1973-11-15 1982-07-29 Hoechst Ag, 6000 Frankfurt Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50% unlöslichen Celluloseethern
DE2358150C2 (de) * 1973-11-22 1982-03-18 Hoechst Ag, 6000 Frankfurt Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50% unlöslichen Celluloseethern

Also Published As

Publication number Publication date
ZA762704B (en) 1977-04-27
NL7604731A (nl) 1976-11-09
FR2310357A2 (fr) 1976-12-03
JPS51136771A (en) 1976-11-26
AU1363476A (en) 1977-11-10
LU74881A1 (US06633782-20031014-M00005.png) 1977-12-02
AU498401B2 (en) 1979-03-08
ES447624A2 (es) 1977-07-01
AR214719A1 (es) 1979-07-31
CA1062254A (en) 1979-09-11
US4068067A (en) 1978-01-10
FR2310357B2 (US06633782-20031014-M00005.png) 1979-04-20
SE7605139L (sv) 1976-11-08
IT1061240B (it) 1983-02-28
FI761259A (US06633782-20031014-M00005.png) 1976-11-08
GB1552862A (en) 1979-09-19
DK203476A (da) 1976-11-08
BE841439R (fr) 1976-11-04
BR7602859A (pt) 1976-11-16

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