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BR8302134A - Processo para obtencao de um eter de celulose anionico, soluvel em agua, dispersavel, e eter de celulose assim obtido - Google Patents

Processo para obtencao de um eter de celulose anionico, soluvel em agua, dispersavel, e eter de celulose assim obtido

Info

Publication number
BR8302134A
BR8302134A BR8302134A BR8302134A BR8302134A BR 8302134 A BR8302134 A BR 8302134A BR 8302134 A BR8302134 A BR 8302134A BR 8302134 A BR8302134 A BR 8302134A BR 8302134 A BR8302134 A BR 8302134A
Authority
BR
Brazil
Prior art keywords
dispersable
eter
water
cellulose
cellulose eter
Prior art date
Application number
BR8302134A
Other languages
English (en)
Inventor
Thomas George Majewics
Original Assignee
Hercules Inc
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 Hercules Inc filed Critical Hercules Inc
Publication of BR8302134A publication Critical patent/BR8302134A/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
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
BR8302134A 1982-04-27 1983-04-26 Processo para obtencao de um eter de celulose anionico, soluvel em agua, dispersavel, e eter de celulose assim obtido BR8302134A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/372,357 US4400502A (en) 1982-04-27 1982-04-27 Readily dispersible anionic, water-soluble cellulose derivatives and a method for their preparation

Publications (1)

Publication Number Publication Date
BR8302134A true BR8302134A (pt) 1983-12-27

Family

ID=23467802

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8302134A BR8302134A (pt) 1982-04-27 1983-04-26 Processo para obtencao de um eter de celulose anionico, soluvel em agua, dispersavel, e eter de celulose assim obtido

Country Status (8)

Country Link
US (1) US4400502A (pt)
JP (1) JPS58196201A (pt)
BR (1) BR8302134A (pt)
DE (1) DE3314214A1 (pt)
FR (1) FR2525608B1 (pt)
GB (1) GB2120252A (pt)
NL (1) NL8301051A (pt)
NO (1) NO831173L (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521594A (en) * 1983-05-20 1985-06-04 Daicel Chemical Industries, Ltd. Process for producing sodium carboxymethylcellulose
US4523010A (en) * 1984-06-15 1985-06-11 Hercules Incorporated Dihydroxypropyl mixed ether derivatives of cellulose
US4537958A (en) * 1984-06-29 1985-08-27 The Dow Chemical Company Process for preparing cellulose ethers
WO2003001030A1 (en) * 2001-06-22 2003-01-03 Bj Services Company Fracturing fluids and methods of making and using same
DE10308109A1 (de) * 2003-02-26 2004-09-09 Wolff Cellulosics Gmbh & Co. Kg Wasserdispergierbare Polysaccharidderivate mit vermindertem Glyoxalgehalt und ein Verfahren zur Absenkung des Glyoxalgehalts in glyoxalvernetzten Polysaccharidderivaten

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3072635A (en) * 1959-11-04 1963-01-08 Chemical Dev Of Canada Ltd Readily dissolving cellulose derivatives and process therefor
NL302923A (pt) * 1963-04-06 1900-01-01
US3356519A (en) * 1964-02-28 1967-12-05 Dow Chemical Co Cellulose ether composition
FR1547665A (fr) * 1967-10-17 1968-11-29 Dow Chemical Co Composition perfectionnée à base d'éther cellulosique
GB1465934A (en) * 1974-08-14 1977-03-02 Hercules Inc Methods of dissolving cellulose ethers in alkaline media
US4309535A (en) * 1980-01-21 1982-01-05 Hercules Incorporated Method of improving dispersibility of anionic cellulose ethers
US4298728A (en) * 1980-06-03 1981-11-03 Hercules Incorporated Method of preparing hydroxyethyl ethers of cellulose
US4306061A (en) * 1980-12-29 1981-12-15 Hercules Incorporated Preparation of CMC with improved substituent uniformity using borax

Also Published As

Publication number Publication date
NL8301051A (nl) 1983-11-16
NO831173L (no) 1983-10-28
US4400502A (en) 1983-08-23
DE3314214A1 (de) 1983-10-27
FR2525608B1 (fr) 1989-04-28
JPS58196201A (ja) 1983-11-15
GB8311379D0 (en) 1983-06-02
FR2525608A1 (fr) 1983-10-28
JPH0535161B2 (pt) 1993-05-25
GB2120252A (en) 1983-11-30

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