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 (en0)
CH (1) CH461455A (en0)
DE (1) DE1543116A1 (en0)
GB (1) GB1139637A (en0)
LU (1) LU51202A1 (en0)
NL (1) NL6606972A (en0)

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
ATE167488T1 (de) * 1990-07-02 1998-07-15 Aqualon Co Niedrigviskose-polysaccharidzusammensetzung mit hohem festkörpergehalt
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
EP2505615B9 (en) 2011-04-01 2014-10-29 Omya International AG Self-binding pigment hybrid
PT2505614E (pt) 2011-04-01 2014-01-30 Omya Int Ag Processo para a preparação de partículas de pigmentos autoligantes
SI2565236T1 (sl) 2011-08-31 2014-04-30 Omya International Ag Samovezujoči pigmentni hibridi
PL2662416T3 (pl) 2012-05-11 2015-12-31 Omya Int Ag Obróbka materiałów zawierających węglan wapnia, w celu zwiększenia zawartości wypełniacza w papierze
RS53929B1 (sr) 2012-05-11 2015-08-31 Omya International Ag Održivi adsorptivni polimeri
PL2662419T3 (pl) 2012-05-11 2015-11-30 Omya Int Ag PHCH o regulowanym ładunku
ES2621497T3 (es) * 2013-11-04 2017-07-04 Omya International Ag Proceso para la producción de una suspensión de pigmento de alto contenido de sólidos que comprende dispersante a base de carboximetilcelulosa
SI3018175T1 (sl) 2014-11-07 2019-05-31 Omya International Ag Postopek za pripravo flokulirnih polnilnih delcev
ES2672735T3 (es) 2014-11-07 2018-06-15 Omya International Ag Un proceso 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
LU51202A1 (en0) 1968-02-21
NL6606972A (en0) 1966-11-30
BE681669A (en0) 1966-11-28

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