FI824090A0 - Foerfarande foer framstaellning av cellulosaetrar med dimetoxietan som dispergeringshjaelpmedel - Google Patents

Foerfarande foer framstaellning av cellulosaetrar med dimetoxietan som dispergeringshjaelpmedel

Info

Publication number
FI824090A0
FI824090A0 FI824090A FI824090A FI824090A0 FI 824090 A0 FI824090 A0 FI 824090A0 FI 824090 A FI824090 A FI 824090A FI 824090 A FI824090 A FI 824090A FI 824090 A0 FI824090 A0 FI 824090A0
Authority
FI
Finland
Prior art keywords
dimetoxic
cellulosaetrics
acid
protection
cellulose
Prior art date
Application number
FI824090A
Other languages
English (en)
Other versions
FI69632B (fi
FI69632C (fi
FI824090L (fi
Inventor
Utz-Hellmuth Felcht
Eberhard Perplies
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 FI824090A0 publication Critical patent/FI824090A0/fi
Publication of FI824090L publication Critical patent/FI824090L/fi
Publication of FI69632B publication Critical patent/FI69632B/fi
Application granted granted Critical
Publication of FI69632C publication Critical patent/FI69632C/fi

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Materials For Medical Uses (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
FI824090A 1981-11-30 1982-11-26 Foerfarande foer framstaellning av cellulosaetrar med dimetoxietan som dispergeringshjaelpmedel FI69632C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813147434 DE3147434A1 (de) 1981-11-30 1981-11-30 Verfahren zur herstellung von celluloseethern mit dimethoxyethan als dispergierhilfsmittel
DE3147434 1981-11-30

Publications (4)

Publication Number Publication Date
FI824090A0 true FI824090A0 (fi) 1982-11-26
FI824090L FI824090L (fi) 1983-05-31
FI69632B FI69632B (fi) 1985-11-29
FI69632C FI69632C (fi) 1986-03-10

Family

ID=6147564

Family Applications (1)

Application Number Title Priority Date Filing Date
FI824090A FI69632C (fi) 1981-11-30 1982-11-26 Foerfarande foer framstaellning av cellulosaetrar med dimetoxietan som dispergeringshjaelpmedel

Country Status (10)

Country Link
US (1) US4460766A (fi)
EP (1) EP0080678B1 (fi)
JP (1) JPS58103501A (fi)
AT (1) ATE32081T1 (fi)
BR (1) BR8206918A (fi)
CA (1) CA1193250A (fi)
DE (2) DE3147434A1 (fi)
ES (1) ES8401990A1 (fi)
FI (1) FI69632C (fi)
ZA (1) ZA828552B (fi)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3306621A1 (de) * 1983-02-25 1984-08-30 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von celluloseethern mit einem dimethoxyethan enthaltenden dispergierhilfsmittel
DE3316124A1 (de) * 1983-05-03 1984-11-08 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von wasserloeslichen cellulosemischethern
DE3417952A1 (de) * 1984-05-15 1985-11-21 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von wasserloeslichen cellulosemischethern
US4707189A (en) * 1984-11-07 1987-11-17 Hercules Incorporated Biostable compositions and the aqueous solutions thereof as thickeners for aqueous-based systems
US4855139A (en) * 1987-01-20 1989-08-08 Med. Fab (Lafayette), Inc. Fungicidally active cellulosic textile compositions, or articles of manufacture
US4845206A (en) * 1987-05-21 1989-07-04 The Dow Chemical Company Production of cellulose ethers using a premix of alkali and etherifying agent
CA2008935C (en) 1989-01-31 1999-02-16 George L. Ii Brode Polysaccharides with alkyl-aryl aromatic hydrophobes and latex compositions containing same
US5120838A (en) * 1989-10-30 1992-06-09 Aqualon Company Alkylaryl hydrophobically modified cellulose ethers
US5493013A (en) * 1992-04-23 1996-02-20 Hoechst Aktiengesellschaft Process for preparing cellulose ethers with cyclic ethers as suspending agents
DE4243281A1 (de) * 1992-12-21 1994-06-23 Wolff Walsrode Ag Hochsubstituierte Sulfoalkylcellulosederivate, insbesondere Sulfoethylcelluloseether, Verfahren zu deren Herstellung und deren Verwendung als Verdickungsmittel für Textildruckfarbpasten
US5504123A (en) * 1994-12-20 1996-04-02 Union Carbide Chemicals & Plastics Technology Corporation Dual functional cellulosic additives for latex compositions
DE19746264A1 (de) 1997-10-20 1999-04-29 Wolff Walsrode Ag Verfahren zur Herstellung einer Carboxymethylcellulose mit verbesserter Wasserretention
US6261218B1 (en) * 1998-12-01 2001-07-17 The Dow Chemical Company Process and apparatus for making low molecular weight cellulose ethers
EP1171471B2 (en) * 1999-04-01 2009-07-08 Dow Global Technologies Inc. Enhanced gel strength methylcellulose
US6686464B1 (en) * 1999-04-26 2004-02-03 Bki Holding Corporation Cellulose ethers and method of preparing the same
JP2001302701A (ja) * 2000-02-15 2001-10-31 Shin Etsu Chem Co Ltd アルカリセルロース及びセルロースエーテルの製造方法
DE10018155A1 (de) * 2000-04-12 2001-10-25 Clariant Gmbh Verfahren zur Herstellung von gut benetzbaren, wasserlöslichen, pulverförmigen, mindestens alkylierten, nicht-ionischen Celluloseethern
AU2002220070A1 (en) * 2000-11-01 2002-05-15 Bki Holding Corporation Cellulose ethers and method of preparing the same
DE10135464A1 (de) * 2001-07-20 2003-02-06 Wolff Walsrode Ag Verfahren zur Herstellung von Alkylhydroxyalkylcellulose
DE102004035870A1 (de) * 2004-07-23 2006-02-09 Wolff Cellulosics Gmbh & Co. Kg Verfahren zur Herstellung aminoalkylgruppenhaltiger Polysaccharide und Polysaccharidderivate
CA2599982A1 (en) * 2005-03-02 2006-09-08 Hercules Incorporated Water-soluble, low substitution hydroxyethylcellulose, derivatives thereof, process of making, and uses thereof
JP5377816B2 (ja) 2005-06-16 2013-12-25 信越化学工業株式会社 セルロースエーテルの製造方法
MX2009007780A (es) * 2007-01-22 2009-08-18 Akzo Nobel Nv Procedimiento para preparar eter de celulosa.
JP2010031165A (ja) * 2008-07-30 2010-02-12 Sanyo Chem Ind Ltd アルキルエーテル化カルボキシアルキルセルロース
KR101690097B1 (ko) * 2009-03-05 2016-12-27 다우 글로벌 테크놀로지스 엘엘씨 알칼리 셀룰로스 및 셀룰로스 유도체의 개선된 제조 방법

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1980988A (en) * 1933-05-03 1934-11-20 Du Pont Solvents for etherification of cellulose
US2553695A (en) * 1947-10-17 1951-05-22 Celanese Corp Manufacture of cellulose ethers
US2618632A (en) * 1949-04-05 1952-11-18 Hercules Powder Co Ltd Mixed cellulose ether and preparation thereof
US2682535A (en) * 1950-11-28 1954-06-29 Union Carbide & Carbon Corp Hydroxyalkylation of polysaccharides
US2767170A (en) * 1951-08-29 1956-10-16 Hercules Powder Co Ltd Preparation of alkali cellulose
US2749336A (en) * 1952-04-02 1956-06-05 Hercules Powder Co Ltd Process for producing cellulose derivatives
US2744894A (en) * 1952-09-08 1956-05-08 Union Carbide & Carbon Corp Hydroxyalkylation of polysaccharides
DE1009173B (de) * 1954-06-05 1957-05-29 Du Pont Verfahren zur Herstellung der Alkalisalze von Celluloseaethercarbonsaeuren
US3085087A (en) * 1956-09-13 1963-04-09 Hercules Powder Co Ltd Preparation of carboxyalkyl cellulose ethers
US3131177A (en) * 1960-04-13 1964-04-28 Hercules Powder Co Ltd Manufacture of water-soluble hydroxyalkyl cellulose ethers
DE1196628B (de) * 1962-05-18 1965-07-15 Krempel August Soehne Verfahren zur Herstellung von faserfoermigen Cyanalkylaethern der Cellulose
US3351583A (en) * 1964-07-06 1967-11-07 Hercules Inc Preparation of hydroxypropyl cellulose
US3284441A (en) * 1965-07-26 1966-11-08 Hercules Inc Process of preparing carboxymethyl-cellulose
DE2000082A1 (de) * 1970-01-02 1971-07-15 Wolff Walsrode Ag Verfahren zur Verhinderung des Abbaus von Alkalicellulose
US4024335A (en) * 1976-05-04 1977-05-17 Union Carbide Corporation Homogeneous hydroxy-alkylation of cellulose
DE2644678A1 (de) * 1976-10-02 1978-04-06 Dynamit Nobel Ag Verfahren zur herstellung funktionalisierter cellulosen
US4129722A (en) * 1977-12-15 1978-12-12 National Starch And Chemical Corporation Process for the preparation of high D. S. polysaccharides
US4278790A (en) * 1978-07-31 1981-07-14 Hopkins Agricultural Chemical Co. Novel cellulose solutions
US4228277A (en) * 1979-02-12 1980-10-14 Hercules Incorporated Modified nonionic cellulose ethers
DE2929002A1 (de) * 1979-07-18 1981-02-12 Henkel Kgaa Verfahren zur herstellung von cellulosederivaten mittels besonders reaktiver alkalicellulose
DE3010464A1 (de) * 1980-03-19 1981-10-01 Henkel KGaA, 4000 Düsseldorf Verfahren zur herstellung von wasserarmer alkalicellulose

Also Published As

Publication number Publication date
DE3278016D1 (en) 1988-02-25
EP0080678B1 (de) 1988-01-20
FI69632B (fi) 1985-11-29
ATE32081T1 (de) 1988-02-15
JPS58103501A (ja) 1983-06-20
ES517733A0 (es) 1984-01-01
EP0080678A3 (en) 1984-10-03
ES8401990A1 (es) 1984-01-01
US4460766A (en) 1984-07-17
BR8206918A (pt) 1983-10-04
ZA828552B (en) 1983-09-28
CA1193250A (en) 1985-09-10
FI69632C (fi) 1986-03-10
JPH0242081B2 (fi) 1990-09-20
FI824090L (fi) 1983-05-31
EP0080678A2 (de) 1983-06-08
DE3147434A1 (de) 1983-06-09

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Legal Events

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MM Patent lapsed

Owner name: HOECHST AKTIENGESELLSCHAFT