FI831520L - Foerfarande foer framstaellning av hydroxialkylmetylcellulosa - Google Patents

Foerfarande foer framstaellning av hydroxialkylmetylcellulosa

Info

Publication number
FI831520L
FI831520L FI831520A FI831520A FI831520L FI 831520 L FI831520 L FI 831520L FI 831520 A FI831520 A FI 831520A FI 831520 A FI831520 A FI 831520A FI 831520 L FI831520 L FI 831520L
Authority
FI
Finland
Prior art keywords
hydroxialkylmetylcellulosa
foerfarande foer
foer framstaellning
framstaellning
foerfarande
Prior art date
Application number
FI831520A
Other languages
English (en)
Other versions
FI70906B (fi
FI70906C (fi
FI831520A0 (fi
Inventor
Klaus Balser
Original Assignee
Wolff Walsrode 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 Wolff Walsrode Ag filed Critical Wolff Walsrode Ag
Publication of FI831520A0 publication Critical patent/FI831520A0/fi
Publication of FI831520L publication Critical patent/FI831520L/fi
Publication of FI70906B publication Critical patent/FI70906B/fi
Application granted granted Critical
Publication of FI70906C publication Critical patent/FI70906C/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)
  • 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)
FI831520A 1982-05-05 1983-05-03 Foerfarande foer framstaellning av vattenloesliga hydroxialkylmetylcellulosa FI70906C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823216786 DE3216786A1 (de) 1982-05-05 1982-05-05 Verfahren zur herstellung von hydroxyalkylmethylcellulosen
DE3216786 1982-05-05

Publications (4)

Publication Number Publication Date
FI831520A0 FI831520A0 (fi) 1983-05-03
FI831520L true FI831520L (fi) 1983-11-06
FI70906B FI70906B (fi) 1986-07-18
FI70906C FI70906C (fi) 1986-10-27

Family

ID=6162760

Family Applications (1)

Application Number Title Priority Date Filing Date
FI831520A FI70906C (fi) 1982-05-05 1983-05-03 Foerfarande foer framstaellning av vattenloesliga hydroxialkylmetylcellulosa

Country Status (5)

Country Link
US (1) US4508895A (fi)
EP (1) EP0093368B1 (fi)
JP (1) JPS58196202A (fi)
DE (2) DE3216786A1 (fi)
FI (1) FI70906C (fi)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3408131A1 (de) * 1984-03-06 1985-09-12 Chemiefaser Lenzing Ag, Lenzing Desodorierendes und mikrobistatisches fasermaterial
FI75836C (fi) * 1987-01-27 1988-08-08 Metsae Serla Oy Nytt foerfarande foer framstaellning av natriumkarboximetylcellulosa.
DE4317231A1 (de) * 1993-05-24 1994-12-01 Wolff Walsrode Ag Thermoplastische Celluloseetherester-Mischpfropfpolymerisate und Verfahren zu ihrer Herstellung
DE19633826C1 (de) * 1996-08-22 1997-10-30 Clariant Gmbh Verfahren zur Herstellung von wasserlöslichen Celluloseethern unter Rückgewinnung von Natriumhydroxid
EP1230456B1 (en) * 1999-04-26 2006-07-12 BKI Holding Corporation Cellulose ethers and method of preparing the same
US6686464B1 (en) 1999-04-26 2004-02-03 Bki Holding Corporation Cellulose ethers and method of preparing the same
JP4195289B2 (ja) * 2000-11-01 2008-12-10 ビーケイアイ・ホールディング・コーポレーション セルロースエーテル及びその製造方法
DE10135464A1 (de) * 2001-07-20 2003-02-06 Wolff Walsrode Ag Verfahren zur Herstellung von Alkylhydroxyalkylcellulose
WO2006088953A1 (en) * 2005-02-17 2006-08-24 Hercules Incorporated Blocky hydroxyethylcellulose, derivatives thereof, process of making, and uses thereof
JP5052112B2 (ja) * 2005-12-27 2012-10-17 信越化学工業株式会社 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
JP5030566B2 (ja) * 2005-12-27 2012-09-19 信越化学工業株式会社 セルロースエーテルの製造方法
JP5030569B2 (ja) 2005-12-27 2012-09-19 信越化学工業株式会社 セルロースエーテルの製造方法
JP5030567B2 (ja) * 2005-12-27 2012-09-19 信越化学工業株式会社 セルロースエーテルの製造方法
JP5030568B2 (ja) * 2005-12-27 2012-09-19 信越化学工業株式会社 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
JP5582882B2 (ja) * 2010-06-15 2014-09-03 住友精化株式会社 ヒドロキシアルキルセルロースの製造方法
JP5737994B2 (ja) 2011-02-21 2015-06-17 信越化学工業株式会社 微粉セルロースの回収を含むセルロースエーテルの製造方法
JP5671367B2 (ja) 2011-02-21 2015-02-18 信越化学工業株式会社 セルロースエーテルの製造方法
JP5571599B2 (ja) 2011-02-21 2014-08-13 信越化学工業株式会社 セルロースエーテルの製造方法
JP5737993B2 (ja) 2011-02-21 2015-06-17 信越化学工業株式会社 アルカリセルロースの製造装置及びセルロースエーテルの製造方法
IN2012DE00454A (fi) 2011-02-21 2015-06-05 Shin Etsu Chemical Co Ltd
US20190263938A1 (en) * 2016-09-29 2019-08-29 Sumitomo Seika Chemicals Co., Ltd. Method for producing water-soluble hydroxyethyl cellulose

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US24116A (en) * 1859-05-24 Washing-machine
DE1222031B (de) * 1962-10-26 1966-08-04 Hercules Powder Co Ltd Verfahren zur Herstellung von Cellulose- oder Staerkeaethern
USRE24116E (en) 1956-01-31 Ethyl oxyethyl cellulose derivative
CA606626A (en) * 1960-10-11 B. Savage Albert Alkyl hydroxyalkyl cellulose ethers
US2137343A (en) * 1937-08-30 1938-11-22 Du Pont Chemical process
GB798448A (en) * 1956-10-17 1958-07-23 Dow Chemical Co Cold-sealing water-soluble thermoplastic cellulose ether composition
BE594990A (fi) * 1959-10-26
US3131176A (en) * 1960-04-13 1964-04-28 Hercules Powder Co Ltd Manufacture of water-soluble hydroxyalkyl cellulose ethers
DE1177127B (de) * 1960-04-13 1964-09-03 Hercules Powder Co Ltd Verfahren zur Herstellung wasserloeslicher Oxyalkylcelluloseaether
DE1468048B2 (de) * 1964-11-28 1975-02-20 Henkel & Cie Gmbh, 4000 Duesseldorf Verfahren zur Herstellung von Hydroxypropyl-methylcellulosen
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
US3709876A (en) * 1972-04-10 1973-01-09 Dow Chemical Co Water soluble hydroxyethyl methyl cellulose ether thickener for latex paint
JPS56802A (en) * 1979-06-15 1981-01-07 Nippon Soda Co Ltd Preparation of hydroxypropyl-cellulose

Also Published As

Publication number Publication date
FI70906B (fi) 1986-07-18
JPH0373562B2 (fi) 1991-11-22
FI70906C (fi) 1986-10-27
DE3216786A1 (de) 1983-11-10
US4508895A (en) 1985-04-02
EP0093368A1 (de) 1983-11-09
FI831520A0 (fi) 1983-05-03
JPS58196202A (ja) 1983-11-15
DE3370336D1 (en) 1987-04-23
EP0093368B1 (de) 1987-03-18

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: WOLFF WALSRODE AKTIENGESELLSCHAFT