FI841717A - Foerfarande foer framstaellning av vattenloesliga cellulosablandpolymerer. - Google Patents

Foerfarande foer framstaellning av vattenloesliga cellulosablandpolymerer. Download PDF

Info

Publication number
FI841717A
FI841717A FI841717A FI841717A FI841717A FI 841717 A FI841717 A FI 841717A FI 841717 A FI841717 A FI 841717A FI 841717 A FI841717 A FI 841717A FI 841717 A FI841717 A FI 841717A
Authority
FI
Finland
Prior art keywords
cellulose
base
etherifying
steps
vattenloesliga
Prior art date
Application number
FI841717A
Other languages
English (en)
Other versions
FI74712C (fi
FI74712B (fi
FI841717A0 (fi
Inventor
Utz-Hellmuth Felcht
Gerhard Buchberger
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 FI841717A0 publication Critical patent/FI841717A0/fi
Publication of FI841717A publication Critical patent/FI841717A/fi
Application granted granted Critical
Publication of FI74712B publication Critical patent/FI74712B/fi
Publication of FI74712C publication Critical patent/FI74712C/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
    • C08B11/193—Mixed ethers, i.e. ethers with two or more different etherifying groups

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)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
FI841717A 1983-05-03 1984-04-30 Foerfarande foer framstaellning av vattenloesliga cellulosablandpolymerer. FI74712C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3316124 1983-05-03
DE19833316124 DE3316124A1 (de) 1983-05-03 1983-05-03 Verfahren zur herstellung von wasserloeslichen cellulosemischethern

Publications (4)

Publication Number Publication Date
FI841717A0 FI841717A0 (fi) 1984-04-30
FI841717A true FI841717A (fi) 1984-11-04
FI74712B FI74712B (fi) 1987-11-30
FI74712C FI74712C (fi) 1988-03-10

Family

ID=6198031

Family Applications (1)

Application Number Title Priority Date Filing Date
FI841717A FI74712C (fi) 1983-05-03 1984-04-30 Foerfarande foer framstaellning av vattenloesliga cellulosablandpolymerer.

Country Status (9)

Country Link
US (1) US4550161A (fi)
EP (1) EP0126959B1 (fi)
JP (1) JPH0655763B2 (fi)
AT (1) ATE32901T1 (fi)
BR (1) BR8402053A (fi)
CA (1) CA1206962A (fi)
DE (2) DE3316124A1 (fi)
ES (1) ES532118A0 (fi)
FI (1) FI74712C (fi)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3417952A1 (de) * 1984-05-15 1985-11-21 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von wasserloeslichen cellulosemischethern
JPH0816046B2 (ja) * 1987-03-09 1996-02-21 信越化学工業株式会社 化粧品用原材料物質
DE4015158A1 (de) * 1990-05-11 1991-11-14 Wolff Walsrode Ag Alkenylmethylhydroxypropylcelluloseether und ein verfahren zu ihrer herstellung
DE4024968A1 (de) * 1990-08-07 1992-07-09 Wolff Walsrode Ag Dihydroxypropylsulfoethylcellulosen, ihre herstellung und verwendung
DE4037605A1 (de) * 1990-11-27 1992-06-04 Wolff Walsrode Ag Wasserloesliche hydroxypropyl-sulfoethyl-cellulosederivate (hpsec) mit niedrigem substitutionsgrad und verfahren zu ihrer herstellung
JPH10251131A (ja) * 1997-03-11 1998-09-22 Sunstar Inc 口腔用組成物
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
AU3932400A (en) * 1999-04-01 2000-10-23 Dow Chemical Company, The Enhanced gel strength methylcellulose
CN1507453A (zh) 2001-05-21 2004-06-23 陶氏环球技术公司 生产烷基羟烷基纤维素醚的方法
SE520715C2 (sv) * 2001-12-03 2003-08-12 Akzo Nobel Nv Förfarande för framställning av metylcellulosaetrar
DE10233788A1 (de) † 2002-07-25 2004-02-05 Wolff Cellulosics Gmbh & Co. Kg Cellulosederivate mit gel-artigen rheologischen Eigenschaften und Verfahren zur Herstellung derselben
DE102004019296B4 (de) * 2004-04-21 2006-01-05 Wolff Cellulosics Gmbh & Co. Kg Verfahren zur Herstellung von Methylhydroxyalkylcellulose
CN101003577B (zh) * 2006-01-20 2010-12-22 上海长光企业发展有限公司 一种高取代度聚阴离子纤维素生产工艺
EP2109626A1 (en) * 2007-01-22 2009-10-21 Akzo Nobel N.V. Process for preparing cellulose ether
US20080262216A1 (en) * 2007-04-20 2008-10-23 Shin-Etsu Chemical Co., Ltd. Hydroxyalkyl methylcellulose having solubility and thermoreversible gelation properties improved
CN101455286B (zh) * 2008-04-03 2011-07-06 上海长光企业发展有限公司 一种食品用羧甲基纤维素钠的制备方法
CN101602938B (zh) * 2009-07-13 2012-11-28 北京理工大学 一种纤维素基钻井液降滤失剂的制备方法
JP5586186B2 (ja) * 2009-08-06 2014-09-10 株式会社プレックス アルカリセルロースまたはその誘導体の製造方法。
EP2512433B1 (en) * 2009-12-16 2017-04-19 Union Carbide Chemicals & Plastics Technology LLC Personal care compositions with tertiary amino modified cellulose derivatives
US9580581B2 (en) 2010-10-12 2017-02-28 Dow Global Technologies Llc Cellulose ethers and their use
EP2627676B1 (en) 2010-10-12 2017-03-08 Dow Global Technologies LLC Novel cellulose ethers and their use
CN102863544B (zh) * 2012-09-25 2014-08-20 上海同化新材料科技有限公司 粘度为50～80毫帕·秒的粘结剂的制备方法及粘结剂及其应用

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB734924A (en) * 1951-03-31 1955-08-10 Hercules Powder Co Ltd Improvements in or relating to modified ethyl cellulose and its method of preparation
GB833834A (en) * 1958-02-05 1960-05-04 Dow Chemical Co Water-soluble thermoplastic cellulose ethers
DE1418921A1 (de) * 1960-07-21 1968-12-05 Kalle Ag Verfahren zur Herstellung von wasserloeslichen vernetzbaren Celluloseallylmischaethern
FR1295128A (fr) * 1961-07-13 1962-06-01 Kalle Ag Procédé pour la préparation d'allyléthers mixtes de cellulose solubles dans l'eau et capables de former un réseau
US3355449A (en) * 1963-06-19 1967-11-28 Toyo Spinning Co Ltd Water soluble cellulose ethers and their production
FR1497780A (fr) * 1965-11-01 1967-10-13 Dow Chemical Co Nouveaux éthers d'hydroxypropyl méthyl cellulose, procédé pour les préparer et compositions les utilisant
US3388082A (en) * 1965-11-01 1968-06-11 Dow Chemical Co Novel hydroxypropyl methyl cellulose ethers, a process for preparing the same, and compositions utilizing such ethers
SU397519A1 (ru) * 1971-03-12 1973-09-17 Способ получения .мети локси проп и л целлюлозы
US3839319A (en) * 1973-01-26 1974-10-01 Dow Chemical Co Hydroxypropyl methylcellulose ethers and method of preparation
JPS5038782A (fi) * 1973-08-10 1975-04-10
US4096325A (en) * 1976-02-20 1978-06-20 Anheuser-Busch, Incorporated Methyl hydroxypropyl cellulose ethers
DE3039963A1 (de) * 1980-10-23 1982-05-27 Hoechst Ag, 6000 Frankfurt Wasserloesliche cellulosemischether mit einem phosphonomethylsubstituenten und ein verfahren zu ihrer herstellung
DE3147434A1 (de) * 1981-11-30 1983-06-09 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von celluloseethern mit dimethoxyethan als dispergierhilfsmittel
JPS5949201A (ja) * 1982-09-16 1984-03-21 Shin Etsu Chem Co Ltd ヒドロキシアルキルアルキルセルロ−スの製造方法
US4456751A (en) * 1983-09-22 1984-06-26 The Dow Chemical Company Multiple stage process for preparing mixed hydroxyalkylcellulose ethers

Also Published As

Publication number Publication date
FI74712C (fi) 1988-03-10
ES8502448A1 (es) 1985-01-01
FI74712B (fi) 1987-11-30
BR8402053A (pt) 1984-12-11
EP0126959A1 (de) 1984-12-05
DE3469741D1 (en) 1988-04-14
EP0126959B1 (de) 1988-03-09
DE3316124A1 (de) 1984-11-08
US4550161A (en) 1985-10-29
ATE32901T1 (de) 1988-03-15
CA1206962A (en) 1986-07-02
FI841717A0 (fi) 1984-04-30
JPS59207901A (ja) 1984-11-26
JPH0655763B2 (ja) 1994-07-27
ES532118A0 (es) 1985-01-01

Similar Documents

Publication Publication Date Title
FI841717A0 (fi) Foerfarande foer framstaellning av vattenloesliga cellulosablandpolymerer.
FI851885L (fi) Foerfarande foer framstaellning av vattenloesliga cellulosablandetrar.
GB1028724A (en) Improvements in or relating to process of preparing hydroxypropyl cellulose
ATE32081T1 (de) Verfahren zur herstellung von wasserloeslichen celluloseethern mit dimethoxyethan als dispergierhilfsmittel.
EP0292242A3 (en) Process for the production of cellulose ethers
JPS57180602A (en) Production of water-soluble chitosan derivative and film-forming agent comprising same
SE7507370L (sv) Forfarande for framstellning och rening av cellulosaetrar.
JPH10158302A (ja) ヒドロキシプロピルメチルセルロースの製造方法
ATE26121T1 (de) Verfahren zur veretherung von cellulose mit monochloressigsaeurealkylestern.
DE59107599D1 (de) Methylhydroxypropylcelluloseether und Verfahren zu ihrer Herstellung
ATE25260T1 (de) Verfahren zur herstellung von celluloseethern mit einem dimethoxyethan enthaltenden dispergierhilfsmittel.
BR8106813A (pt) Eter misto e celulose hidrossoluvel e processo para sua preparacao
FI935466A (fi) Voimakkaasti substituoituja karboksimetyylisulfoetyyliselluloosaeettereitä, menetelmä niiden valmistamiseksi ja niiden käyttö tekstiilipainoväritahnoissa
JPS5747301A (en) Preparation of hydroxyalkylated starch or dextrin
DE2120439A1 (de) Verfahren zur Herstellung von Hydroxyäthylhydroxybutylcellulose
ES8303505A1 (es) Procedimiento para obtener soluciones de vehiculo diluibles con agua.
JPS57180601A (en) Production of low-viscosity cellulose ether
JPS56120694A (en) Preparation of neocarzinostatin ma
EP0339599A3 (en) Process for producing acylaromatic compounds

Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: HOECHST AKTIENGESELLSCHAFT