CH461455A - Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseäther - Google Patents

Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseäther

Info

Publication number
CH461455A
CH461455A CH766766A CH766766A CH461455A CH 461455 A CH461455 A CH 461455A CH 766766 A CH766766 A CH 766766A CH 766766 A CH766766 A CH 766766A CH 461455 A CH461455 A CH 461455A
Authority
CH
Switzerland
Prior art keywords
production
low
cellulose ethers
soluble cellulose
viscosity water
Prior art date
Application number
CH766766A
Other languages
German (de)
English (en)
Inventor
Siegfried Dr Janocha
Hans Dr Macholdt
Original Assignee
Kalle 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 Kalle Ag filed Critical Kalle Ag
Publication of CH461455A publication Critical patent/CH461455A/de

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
    • C08B11/20—Post-etherification treatments of chemical or physical type, e.g. mixed etherification in two steps, including purification

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)
  • Cosmetics (AREA)
  • Detergent Compositions (AREA)
CH766766A 1965-05-29 1966-05-26 Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseäther CH461455A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK0056264 1965-05-29

Publications (1)

Publication Number Publication Date
CH461455A true CH461455A (de) 1968-08-31

Family

ID=7227780

Family Applications (1)

Application Number Title Priority Date Filing Date
CH766766A CH461455A (de) 1965-05-29 1966-05-26 Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseäther

Country Status (6)

Country Link
BE (1) BE681669A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH461455A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1543116A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1139637A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
LU (1) LU51202A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL6606972A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4316982A (en) 1979-04-27 1982-02-23 Hoechst Aktiengesellschaft Process for reducing the viscosity of cellulose ethers by means of ozone and application thereof
EP0136722A3 (en) * 1983-10-06 1986-01-15 Kohjin Co., Ltd. Process for preparing carboxymethyl ethyl cellulose suitable for enteric coating

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4048433A (en) * 1976-02-02 1977-09-13 The Procter & Gamble Company Cellulose ethers having a low molecular weight and a high degree of methyl substitution
US4061859A (en) * 1976-06-14 1977-12-06 The Dow Chemical Company Viscosity reduction of cellulose derivatives
EP0465992B1 (en) * 1990-07-02 1998-06-17 Aqualon Company High solids low viscosity polysaccharide composition
DE4411681A1 (de) * 1994-04-05 1995-10-12 Hoechst Ag Verfahren zur Herstellung niedermolekularer Polysaccharidether
DE19854770A1 (de) * 1998-11-27 2000-05-31 Wolff Walsrode Ag Verfahren zur Herstellung niedrigviskoser wasserlöslicher Celluloseether
AU6830400A (en) * 1999-07-28 2001-02-13 Rhodia Acetow Gmbh Method for carrying out the targeted depolymerization of polysaccharides
US6884884B2 (en) 2001-06-11 2005-04-26 Rhodia, Inc. Galactomannan compositions and methods for making and using same
SI2505614T1 (sl) 2011-04-01 2014-02-28 Omya International Ag Postopek za pripravo samopovezujočih pigmentnih delcev
ES2487639T3 (es) 2011-04-01 2014-08-22 Omya International Ag Híbrido de pigmentos autoaglutinantes
PT2565236E (pt) 2011-08-31 2014-03-25 Omya Int Ag Pigmento autoligante híbrido
DK2662419T3 (en) 2012-05-11 2015-09-07 Omya Int Ag Charging Cabinet PhCH
ES2547808T3 (es) 2012-05-11 2015-10-08 Omya International Ag Tratamiento de materiales que contienen carbonato de calcio para carga de agente de relleno aumentada en papel
SI2662418T1 (sl) 2012-05-11 2015-05-29 Omya International Ag Stabilni sprejemljivi polimeri
PT2868716T (pt) 2013-11-04 2017-04-07 Omya Int Ag Processo de produção de uma suspensão de pigmento com alto teor de sólidos que compreende um dispersante à base de carboximetilcelulose
ES2672735T3 (es) 2014-11-07 2018-06-15 Omya International Ag Un proceso para la preparación de partículas de carga floculadas
ES2723284T3 (es) 2014-11-07 2019-08-23 Omya Int Ag Un procedimiento para la preparación de partículas de carga floculadas
EP3118161B1 (en) 2015-07-17 2018-05-16 Omya International AG High solids pcc with depolymerized carboxylated cellulose
DE102017223690A1 (de) 2017-12-22 2019-06-27 Se Tylose Gmbh & Co. Kg Oxidativer Abbau von Celluloseethern
CN119798469B (zh) * 2025-03-17 2025-06-27 山东赫达集团股份有限公司 一种制备高白度低色度低粘度纤维素醚的方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4316982A (en) 1979-04-27 1982-02-23 Hoechst Aktiengesellschaft Process for reducing the viscosity of cellulose ethers by means of ozone and application thereof
EP0136722A3 (en) * 1983-10-06 1986-01-15 Kohjin Co., Ltd. Process for preparing carboxymethyl ethyl cellulose suitable for enteric coating

Also Published As

Publication number Publication date
DE1543116A1 (de) 1969-07-31
GB1139637A (en) 1969-01-08
NL6606972A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1966-11-30
LU51202A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-02-21
BE681669A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1966-11-28

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