JPS5225887A - Process for preparing polysacoharide ether - Google Patents

Process for preparing polysacoharide ether

Info

Publication number
JPS5225887A
JPS5225887A JP51097645A JP9764576A JPS5225887A JP S5225887 A JPS5225887 A JP S5225887A JP 51097645 A JP51097645 A JP 51097645A JP 9764576 A JP9764576 A JP 9764576A JP S5225887 A JPS5225887 A JP S5225887A
Authority
JP
Japan
Prior art keywords
polysacoharide
ether
preparing
preparing polysacoharide
polysacoharide ether
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP51097645A
Other languages
English (en)
Inventor
Yao Chin Riyuu Goodon
Puresuton Sutoranji Kaaru
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of JPS5225887A publication Critical patent/JPS5225887A/ja
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/06—Rendering cellulose suitable for etherification
    • 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
    • C08B11/02—Alkyl or cycloalkyl ethers
    • 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
    • C08B11/02—Alkyl or cycloalkyl ethers
    • C08B11/04—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals
    • C08B11/08—Alkyl or cycloalkyl ethers with substituted hydrocarbon radicals with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
    • 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)
JP51097645A 1975-08-18 1976-08-16 Process for preparing polysacoharide ether Pending JPS5225887A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/605,794 US4015067A (en) 1975-08-18 1975-08-18 Method of preparing polysaccharide ethers and apparatus

Publications (1)

Publication Number Publication Date
JPS5225887A true JPS5225887A (en) 1977-02-26

Family

ID=24425238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51097645A Pending JPS5225887A (en) 1975-08-18 1976-08-16 Process for preparing polysacoharide ether

Country Status (8)

Country Link
US (1) US4015067A (ja)
JP (1) JPS5225887A (ja)
BE (1) BE845296A (ja)
BR (1) BR7605385A (ja)
CA (1) CA1067071A (ja)
DE (1) DE2636935A1 (ja)
NL (1) NL7609047A (ja)
SE (1) SE7609134L (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6020901A (ja) * 1983-07-08 1985-02-02 ザ・ダウ・ケミカル・カンパニ− ヒドロキシアルキルアルキルセルロースエーテルを製造するための連続添加方法
JPH04284118A (ja) * 1991-03-13 1992-10-08 Nissan Motor Co Ltd 内燃機関の排気装置
JP2002531594A (ja) * 1998-12-01 2002-09-24 ザ ダウ ケミカル カンパニー セルロースエーテルの製造方法および製造装置
JP2010174261A (ja) * 2001-09-14 2010-08-12 Dow Global Technologies Inc メチルヒドロキシアルキルセルロースの工業的製造装置
EP2998340A1 (en) 2014-09-22 2016-03-23 Shin-Etsu Chemical Co., Ltd. Method for continuously producing cellulose ether

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2924330A1 (de) * 1979-06-15 1980-12-18 Hoechst Ag Kontinuierliches verfahren und vorrichtung zur herstellung von wasserloeslicher hydroxyalkylcellulose oder deren mischethern
DE2929011A1 (de) * 1979-07-18 1981-02-12 Henkel Kgaa Herstellung von alkylcellulose nach kontinuierlicher verfahrensweise
DE3140813A1 (de) * 1981-10-14 1983-04-21 Wolff Walsrode Ag, 3030 Walsrode Verfahren zur herstellung von celluloseethern
US4384113A (en) * 1982-03-23 1983-05-17 The Dow Chemical Company Stabilization of alkali polysaccharides
US4419510A (en) * 1982-07-30 1983-12-06 The Dow Chemical Company Method for controlling cellulose etherification reaction
US4452978A (en) * 1982-11-19 1984-06-05 A. E. Staley Manufacturing Company Granular starch ethers having reduced pasting temperatures
DE3331997A1 (de) * 1983-09-05 1985-03-21 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von waessrigen destillationsrueckstaenden waehrend der aufbereitung von bei der herstellung von celluloseethern anfallenden fluessigkeiten
US4474951A (en) * 1983-09-27 1984-10-02 The Dow Chemical Company Hydroxyalkylation of polysaccharides
DE3417952A1 (de) * 1984-05-15 1985-11-21 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von wasserloeslichen cellulosemischethern
US4705809A (en) * 1986-07-07 1987-11-10 The Dow Chemical Company Process for preparing a porous polymer article
US4845206A (en) * 1987-05-21 1989-07-04 The Dow Chemical Company Production of cellulose ethers using a premix of alkali and etherifying agent
ATE359303T1 (de) 2001-09-14 2007-05-15 Wolff Cellulosics Gmbh & Co Kg Verfahren und vorrichtung zur industriellen herstellung von methylhydroxyalkylcellulose
US6881252B2 (en) 2003-09-23 2005-04-19 Corn Products International, Inc. Fiber-based product
EP2428523B1 (en) * 2010-09-14 2017-12-06 Shin-Etsu Chemical Co., Ltd. Method for producing low-substituted hydroxypropylcellulose

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA632046A (en) * 1961-12-05 E.I. Du Pont De Nemours And Company Alkali metal salt of carboxymethyl cellulose manufacture
US2476331A (en) * 1945-11-15 1949-07-19 Dow Chemical Co Method of making methyl carboxymethyl cellulose
US3278521A (en) * 1963-02-08 1966-10-11 Hercules Inc Hydroxypropyl cellulose and process
US3351583A (en) * 1964-07-06 1967-11-07 Hercules Inc Preparation of hydroxypropyl cellulose
DE1468048B2 (de) * 1964-11-28 1975-02-20 Henkel & Cie Gmbh, 4000 Duesseldorf Verfahren zur Herstellung von Hydroxypropyl-methylcellulosen
DE1543114B2 (de) * 1965-05-06 1977-04-28 Hoechst Ag, 6000 Frankfurt Verwendung zweiwelliger schneckenpressen bei der herstellung von alkalicellulose und celluloseaethern
US3544556A (en) * 1965-12-30 1970-12-01 Kalle Ag Process for the preparation of cellulose ethers
US3915959A (en) * 1974-03-15 1975-10-28 Crown Zellerbach Corp Activated alkali cellulose and derivatives formed therefrom and a process for making the same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6020901A (ja) * 1983-07-08 1985-02-02 ザ・ダウ・ケミカル・カンパニ− ヒドロキシアルキルアルキルセルロースエーテルを製造するための連続添加方法
JPH04284118A (ja) * 1991-03-13 1992-10-08 Nissan Motor Co Ltd 内燃機関の排気装置
JP2002531594A (ja) * 1998-12-01 2002-09-24 ザ ダウ ケミカル カンパニー セルロースエーテルの製造方法および製造装置
JP2010174261A (ja) * 2001-09-14 2010-08-12 Dow Global Technologies Inc メチルヒドロキシアルキルセルロースの工業的製造装置
EP2998340A1 (en) 2014-09-22 2016-03-23 Shin-Etsu Chemical Co., Ltd. Method for continuously producing cellulose ether
KR20160034808A (ko) 2014-09-22 2016-03-30 신에쓰 가가꾸 고교 가부시끼가이샤 셀룰로오스 에테르의 연속적 제조 방법
US10508155B2 (en) 2014-09-22 2019-12-17 Shin-Etsu Chemical Co., Ltd. Method for continuously producing cellulose ether

Also Published As

Publication number Publication date
DE2636935A1 (de) 1977-03-03
SE7609134L (sv) 1977-02-19
BE845296A (fr) 1977-02-18
NL7609047A (nl) 1977-02-22
BR7605385A (pt) 1977-08-16
US4015067A (en) 1977-03-29
CA1067071A (en) 1979-11-27

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