IT1061235B - Procedimento per la produzione di eteri di cellulosa che assorbono acqua - Google Patents

Procedimento per la produzione di eteri di cellulosa che assorbono acqua

Info

Publication number
IT1061235B
IT1061235B IT49309/76A IT4930976A IT1061235B IT 1061235 B IT1061235 B IT 1061235B IT 49309/76 A IT49309/76 A IT 49309/76A IT 4930976 A IT4930976 A IT 4930976A IT 1061235 B IT1061235 B IT 1061235B
Authority
IT
Italy
Prior art keywords
procedure
production
cellulose ethers
absorb water
absorb
Prior art date
Application number
IT49309/76A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1061235B publication Critical patent/IT1061235B/it

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
    • C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
    • C08B15/005—Crosslinking of cellulose derivatives
IT49309/76A 1975-05-05 1976-05-04 Procedimento per la produzione di eteri di cellulosa che assorbono acqua IT1061235B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2519927A DE2519927C2 (de) 1975-05-05 1975-05-05 Verfahren zum Herstellen von Wasser aufnehmenden, aber darin zu mehr als 50 Gew.-% unlöslichen Celluloseethern

Publications (1)

Publication Number Publication Date
IT1061235B true IT1061235B (it) 1983-02-28

Family

ID=5945788

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49309/76A IT1061235B (it) 1975-05-05 1976-05-04 Procedimento per la produzione di eteri di cellulosa che assorbono acqua

Country Status (20)

Country Link
US (1) US4068068A (it)
JP (1) JPS5925802B2 (it)
AR (1) AR206270A1 (it)
AT (1) AT359086B (it)
AU (1) AU502704B2 (it)
BE (1) BE841415A (it)
BR (1) BR7602786A (it)
CA (1) CA1046511A (it)
CH (1) CH597258A5 (it)
DE (1) DE2519927C2 (it)
DK (1) DK199076A (it)
ES (1) ES447574A1 (it)
FI (1) FI761233A (it)
FR (1) FR2310358A1 (it)
GB (1) GB1552851A (it)
IT (1) IT1061235B (it)
LU (1) LU74872A1 (it)
NL (1) NL7604682A (it)
SE (1) SE431458B (it)
ZA (1) ZA762623B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5411955A (en) * 1977-06-29 1979-01-29 Kodama Teizou High water absorbing chitosan derivative and absorbing agent containing it
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
DE2823757C2 (de) * 1978-05-31 1982-10-21 Hoechst Ag, 6000 Frankfurt Verfahren zur Herstellung von quellfähigen Fasern oder quellfähigen textilen Flächengebilden
JPS57180602A (en) * 1981-04-30 1982-11-06 Nippon Soda Co Ltd Production of water-soluble chitosan derivative and film-forming agent comprising same
US4609675A (en) * 1984-08-17 1986-09-02 The Upjohn Company Stable, high dose, high bulk density ibuprofen granulations for tablet and capsule manufacturing
IT1267497B1 (it) * 1994-11-10 1997-02-05 P & G Spa Polimero anionico, ad esempio di tipo superassorbente e relativo procedimento di produzione.
US5801116A (en) * 1995-04-07 1998-09-01 Rhodia Inc. Process for producing polysaccharides and their use as absorbent materials
AT413824B (de) * 2001-11-02 2006-06-15 Chemiefaser Lenzing Ag Verfahren zur behandlung von lösungsmittelgesponnenen cellulosischen fasern
US9610379B2 (en) 2015-01-23 2017-04-04 Fpinnovations Absorbent fibres produced from low-substituted carboxymethyl cellulose and the process thereof
US10723807B2 (en) * 2017-03-31 2020-07-28 Shin-Etsu Chemical Co., Ltd. Method for producing hydroxyalkyl alkyl cellulose
US20220106411A1 (en) * 2019-05-01 2022-04-07 Dow Global Technologies Llc Process for producing a crosslinked cellulose ether
JP2022530342A (ja) * 2019-05-01 2022-06-29 ダウ グローバル テクノロジーズ エルエルシー 架橋セルロースエーテルを製造するためのプロセス
EP3962874A1 (en) * 2019-05-01 2022-03-09 Dow Global Technologies LLC Process for producing a crosslinked cellulose ether

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077468A (en) * 1960-12-22 1963-02-12 Hercules Powder Co Ltd Insolubilization of polysaccharide ethers
US3272640A (en) * 1960-12-22 1966-09-13 Hercules Powder Co Ltd Water insolubilizing and insensitizing process
US3589364A (en) * 1968-03-14 1971-06-29 Buckeye Cellulose Corp Bibulous cellulosic fibers
US3723413A (en) * 1970-10-26 1973-03-27 Personal Products Co Water-insoluble fluid-absorptive and retentive materials and methods of making the same
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

Also Published As

Publication number Publication date
US4068068A (en) 1978-01-10
NL7604682A (nl) 1976-11-09
SE7605036L (sv) 1976-11-06
BR7602786A (pt) 1976-11-09
ES447574A1 (es) 1977-07-01
GB1552851A (en) 1979-09-19
AR206270A1 (es) 1976-07-07
ZA762623B (en) 1977-04-27
CH597258A5 (it) 1978-03-31
AT359086B (de) 1980-10-27
LU74872A1 (it) 1977-12-02
JPS5925802B2 (ja) 1984-06-21
AU1361476A (en) 1977-11-10
AU502704B2 (en) 1979-08-02
DE2519927A1 (de) 1976-11-18
JPS51136769A (en) 1976-11-26
FR2310358A1 (fr) 1976-12-03
FR2310358B1 (it) 1978-05-05
SE431458B (sv) 1984-02-06
ATA322576A (de) 1980-03-15
FI761233A (it) 1976-11-06
DK199076A (da) 1976-11-06
BE841415A (fr) 1976-11-03
DE2519927C2 (de) 1986-10-23
CA1046511A (en) 1979-01-16

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