IT1034584B - Procedimento per la produzione di nuovi eteri di cellulosa - Google Patents

Procedimento per la produzione di nuovi eteri di cellulosa

Info

Publication number
IT1034584B
IT1034584B IT7521575A IT2157575A IT1034584B IT 1034584 B IT1034584 B IT 1034584B IT 7521575 A IT7521575 A IT 7521575A IT 2157575 A IT2157575 A IT 2157575A IT 1034584 B IT1034584 B IT 1034584B
Authority
IT
Italy
Prior art keywords
procedure
production
cellulose ethers
new cellulose
new
Prior art date
Application number
IT7521575A
Other languages
English (en)
Original Assignee
Henkel & Cie Gmbh
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 Henkel & Cie Gmbh filed Critical Henkel & Cie Gmbh
Application granted granted Critical
Publication of IT1034584B publication Critical patent/IT1034584B/it

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)
IT7521575A 1974-03-29 1975-03-24 Procedimento per la produzione di nuovi eteri di cellulosa IT1034584B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2415154A DE2415154C2 (de) 1974-03-29 1974-03-29 Verfahren zur Herstellung von Cellulosemischethern, die neben Alkylgruppen, Hydroxyalkylgruppen oder Carboxyalkylgruppen noch 2,3-Dihydroxypropylgruppen enthalten

Publications (1)

Publication Number Publication Date
IT1034584B true IT1034584B (it) 1979-10-10

Family

ID=5911514

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7521575A IT1034584B (it) 1974-03-29 1975-03-24 Procedimento per la produzione di nuovi eteri di cellulosa

Country Status (5)

Country Link
US (1) US4013821A (it)
JP (1) JPS5945681B2 (it)
DE (1) DE2415154C2 (it)
FR (1) FR2265761B1 (it)
IT (1) IT1034584B (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096326A (en) * 1976-10-13 1978-06-20 Hercules Incorporated Dihydroxypropyl cellulose
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
US4438262A (en) * 1981-10-06 1984-03-20 Sumitomo Chemical Company, Limited Highly dielectric polysaccharides
DE3335323A1 (de) 1983-09-27 1985-04-04 Schering AG, 1000 Berlin und 4709 Bergkamen Substituierte ss-carboline, verfahren zu ihrer herstellung und ihre verwendung als arzneimittel
US4523010A (en) * 1984-06-15 1985-06-11 Hercules Incorporated Dihydroxypropyl mixed ether derivatives of cellulose
US4579942A (en) * 1984-09-26 1986-04-01 Union Carbide Corporation Polysaccharides, methods for preparing such polysaccharides and fluids utilizing such polysaccharides
DE4024968A1 (de) * 1990-08-07 1992-07-09 Wolff Walsrode Ag Dihydroxypropylsulfoethylcellulosen, ihre herstellung und verwendung
JP3002916B2 (ja) * 1991-10-29 2000-01-24 ダイセル化学工業株式会社 セルロース混合エーテルの製造法
DE19517498A1 (de) * 1995-05-12 1996-11-14 Budenheim Rud A Oetker Chemie Verfahren zur Anreicherung mit Spurensubstanzen und Rieselhilfsmittel hierfür
US6322721B1 (en) * 1998-08-24 2001-11-27 Technical Processing, Inc. Quaternary ammonium salt vulcanization accelerators for rubbers and plastics
US7741424B2 (en) * 2004-09-29 2010-06-22 Kowa Co., Ltd. Phosphoric ester of cellulose derivative and metal adsorbent comprising the same
DE102009012161B8 (de) * 2009-03-06 2012-12-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von Polysaccharidderivaten
US8252266B2 (en) 2010-08-09 2012-08-28 Nalco Company Recovery of alumina trihydrate during the bayer process using scleroglucan
DE102015000795A1 (de) * 2015-01-23 2016-07-28 Se Tylose Gmbh & Co. Kg Reversibel vernetzte Celluloseether und Verfahren zu deren Herstellung durch selektive Oxidation von vicinalen OH-Gruppen
GB2556222B (en) 2015-08-20 2022-01-05 Halliburton Energy Services Inc Modified hydroxyethyl cellulosic polymers for improved well bore fluids and related uses
US10427950B2 (en) 2015-12-04 2019-10-01 Ecolab Usa Inc. Recovery of mining processing product using boronic acid-containing polymers
US12145856B2 (en) 2021-02-12 2024-11-19 Ecolab Usa Inc. Purification of ores using boronic acid-functional compounds

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2135128A (en) * 1935-09-23 1938-11-01 Celanese Corp Manufacture of derivatives of cellulose and other polymeric hydroxy compounds
US2388764A (en) * 1938-10-20 1945-11-13 Sylvania Ind Corp Cellulose ethers and process for producing the same
US2687411A (en) * 1952-03-15 1954-08-24 American Viscose Corp Production of water soluble cellulose ethers
US2854447A (en) * 1953-06-04 1958-09-30 Petrolite Corp Process for preparing oxyalkylated derivatives
US2834777A (en) * 1957-04-30 1958-05-13 Mo Och Domsjoe Ab Methods of treating cellulose ethers
US3356519A (en) * 1964-02-28 1967-12-05 Dow Chemical Co Cellulose ether composition
CH1767565D (it) * 1965-02-17
US3489719A (en) * 1967-07-05 1970-01-13 Dow Chemical Co Surface treatment of finely-divided water-soluble polymers
US3903075A (en) * 1967-12-22 1975-09-02 Hoechst Ag Process for the preparation of water-insoluble hydroxybutyl cellulose
US3652539A (en) * 1970-03-09 1972-03-28 Nippon Soda Co Process for the production of hydroxypropyl cellulose

Also Published As

Publication number Publication date
DE2415154A1 (de) 1975-10-16
DE2415154C2 (de) 1985-05-23
JPS50130883A (it) 1975-10-16
FR2265761A1 (it) 1975-10-24
FR2265761B1 (it) 1977-11-25
JPS5945681B2 (ja) 1984-11-08
US4013821A (en) 1977-03-22

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