BR8106813A - Eter misto e celulose hidrossoluvel e processo para sua preparacao - Google Patents

Eter misto e celulose hidrossoluvel e processo para sua preparacao

Info

Publication number
BR8106813A
BR8106813A BR8106813A BR8106813A BR8106813A BR 8106813 A BR8106813 A BR 8106813A BR 8106813 A BR8106813 A BR 8106813A BR 8106813 A BR8106813 A BR 8106813A BR 8106813 A BR8106813 A BR 8106813A
Authority
BR
Brazil
Prior art keywords
substituent
water
moles
cellulose
weight
Prior art date
Application number
BR8106813A
Other languages
English (en)
Inventor
Lothar Brandt
Arno Holst
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
Publication of BR8106813A publication Critical patent/BR8106813A/pt

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
BR8106813A 1980-10-23 1981-10-22 Eter misto e celulose hidrossoluvel e processo para sua preparacao BR8106813A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803039963 DE3039963A1 (de) 1980-10-23 1980-10-23 Wasserloesliche cellulosemischether mit einem phosphonomethylsubstituenten und ein verfahren zu ihrer herstellung

Publications (1)

Publication Number Publication Date
BR8106813A true BR8106813A (pt) 1982-07-06

Family

ID=6114995

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8106813A BR8106813A (pt) 1980-10-23 1981-10-22 Eter misto e celulose hidrossoluvel e processo para sua preparacao

Country Status (8)

Country Link
US (1) US4358587A (pt)
EP (1) EP0051181B1 (pt)
JP (1) JPS57102902A (pt)
AT (1) ATE8149T1 (pt)
BR (1) BR8106813A (pt)
CA (1) CA1174234A (pt)
DE (2) DE3039963A1 (pt)
FI (1) FI67860C (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3112946A1 (de) * 1981-03-31 1982-10-07 Hoechst Ag, 6000 Frankfurt Gelbildende zusammensetzung auf der basis eines celluloseethers, ein verfahren zur herstellung eines gels, ein verfahren zur reversiblen aufhebung des gels und ihre verwendung bei der sekundaerfoerderung von erdoel
DE3112945A1 (de) * 1981-03-31 1982-10-07 Hoechst Ag, 6000 Frankfurt Celluloseether und cellulosemischether mit mindestens einem phosphorhaltigen substituenten und ein verfahren zu ihrer herstellung
DE3316124A1 (de) * 1983-05-03 1984-11-08 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von wasserloeslichen cellulosemischethern
DE4037605A1 (de) * 1990-11-27 1992-06-04 Wolff Walsrode Ag Wasserloesliche hydroxypropyl-sulfoethyl-cellulosederivate (hpsec) mit niedrigem substitutionsgrad und verfahren zu ihrer herstellung
DE4113892A1 (de) * 1991-04-27 1992-10-29 Wolff Walsrode Ag Wasserloesliche sulfoethylcelluloseether mit sehr guter loesungsqualitaet und verfahren zu ihrer herstellung
EP2512433B1 (en) * 2009-12-16 2017-04-19 Union Carbide Chemicals & Plastics Technology LLC Personal care compositions with tertiary amino modified cellulose derivatives
EP3004175A1 (en) 2013-05-24 2016-04-13 Metsä Fibre Oy Method of modifying polymers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979374A (en) * 1957-10-31 1961-04-11 Jr George L Drake Fibrous textile cellulosic phosphonomethyl ethers and process of preparation
US3388118A (en) * 1965-04-23 1968-06-11 Stevens & Co Inc J P Chemical modification of cellulose and products thereof
US3553194A (en) * 1967-12-28 1971-01-05 Staley Mfg Co A E Starch phosphonates
SE374748B (pt) * 1969-02-07 1975-03-17 Pharmacia Fine Chemicals Ab
SE343306B (sv) * 1969-02-07 1972-03-06 Pharmacia Fine Chemicals Ab Saett att framstaella jonbytare bestaende av runda korn av substituerad cellulosa
US4020271A (en) * 1975-01-13 1977-04-26 Personal Products Company Crosslinked phosphonoalkyl cellulose and absorbent devices incorporating same
DE2924330A1 (de) * 1979-06-15 1980-12-18 Hoechst Ag Kontinuierliches verfahren und vorrichtung zur herstellung von wasserloeslicher hydroxyalkylcellulose oder deren mischethern

Also Published As

Publication number Publication date
US4358587A (en) 1982-11-09
CA1174234A (en) 1984-09-11
DE3164454D1 (en) 1984-08-02
ATE8149T1 (de) 1984-07-15
FI67860B (fi) 1985-02-28
JPS57102902A (en) 1982-06-26
EP0051181A1 (de) 1982-05-12
FI67860C (fi) 1985-06-10
FI813291L (fi) 1982-04-24
EP0051181B1 (de) 1984-06-27
JPH0143761B2 (pt) 1989-09-22
DE3039963A1 (de) 1982-05-27

Similar Documents

Publication Publication Date Title
JPS51128491A (en) A process for preparing aqueous sugars by enzymatic hydrolysis of cell ulose
ES543164A0 (es) Un procedimiento para la preparacion de eteres mixtos de ce-lulosa
EP0119453A3 (en) Water-soluble cyclodextrin polymers substituted by ionic groups, and process for their preparation
BR8206918A (pt) Processo para a obtencao de eteres de celulose
SE7708652L (sv) Forfarande for framstellning av absorberande modifierade sterkelseetrar och anvendning av sadana sterkelseetrar
NZ192046A (en) Cementitious composition comprising an acid formate of ammonium, sodium or potassium as an accelerator
GB1139637A (en) Process for the manufacture of low viscosity water-soluble cellulose ethers
BR8106813A (pt) Eter misto e celulose hidrossoluvel e processo para sua preparacao
BR8304766A (pt) Processo para a preparacao de eteres de celulose dispersaveis em meios aquosos
ATE26121T1 (de) Verfahren zur veretherung von cellulose mit monochloressigsaeurealkylestern.
BR8400852A (pt) Processo para preparacao de eteres de celulose a partir de celulose e de agentes de eterificacao
JPS5430220A (en) Preparation of dye composition
ES472708A1 (es) Procedimiento para la preparacion de derivados de bromhexina
NO905081L (no) Fremgangsmaate for aa motvirke en viskositetsnedsettelse.
SE7707010L (sv) Forfarande for framstellning av en vattendispersion av kolofonium
JPS5571490A (en) Preparation of stable aqueous solution of lysozyme
JPS51116889A (en) Method for preparing an alkali metal salt of carboxymethyl-cellulose e ther having improved flowing characteristics
JPS53109594A (en) Preparation of new cationic dolymer
JPS5517347A (en) Production of poultice with high water content
JPS57180601A (en) Production of low-viscosity cellulose ether
JPS56161401A (en) Etherification of carboxymethylcellulose
ES474084A1 (es) Procedimiento de peliculado e impermeabilizacion de materia-les fibrosos.
GB1110697A (en) Improvements in or relating to a slurry process for preparing carboxymethyl cellulose
ES476921A1 (es) Un procedimiento para la obtencion de cis-2-(3-indolil)-1-metil-4-piperidinacarbonitrilo.
GB523191A (en) Improvements in manufacture of cellulose ethers