[go: up one dir, main page]

CH461455A - Process for the production of low-viscosity water-soluble cellulose ethers - Google Patents

Process for the production of low-viscosity water-soluble cellulose ethers

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)
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/en

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 Process for the production of low-viscosity water-soluble cellulose ethers CH461455A (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=7227780

Family Applications (1)

Application Number Title Priority Date Filing Date
CH766766A CH461455A (en) 1965-05-29 1966-05-26 Process for the production of low-viscosity water-soluble cellulose ethers

Country Status (6)

Country Link
BE (1) BE681669A (en)
CH (1) CH461455A (en)
DE (1) DE1543116A1 (en)
GB (1) GB1139637A (en)
LU (1) LU51202A1 (en)
NL (1) NL6606972A (en)

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
EP0136722A2 (en) * 1983-10-06 1985-04-10 Kohjin Co., Ltd. Process for preparing carboxymethyl ethyl cellulose suitable for enteric coating

Families Citing this family (18)

* 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 (en) * 1990-07-02 1998-07-15 Aqualon Co LOW VISCOSE POLYSACCHARIDE COMPOSITION WITH HIGH SOLID CONTENT
DE4411681A1 (en) * 1994-04-05 1995-10-12 Hoechst Ag Process for the preparation of low molecular weight polysaccharide ethers
DE19854770A1 (en) * 1998-11-27 2000-05-31 Wolff Walsrode Ag Process for the preparation of low-viscosity water-soluble cellulose ethers
DE10036549A1 (en) * 1999-07-28 2001-11-22 Rhodia Acetow Gmbh Targeted depolymerization of polysaccharide, e.g. to give cellulose derivatives with a required degree of polymerization, involves mixing with peroxo compound and optionally reacting with derivatizing agent
US6884884B2 (en) 2001-06-11 2005-04-26 Rhodia, Inc. Galactomannan compositions and methods for making and using same
SI2505614T1 (en) 2011-04-01 2014-02-28 Omya International Ag Process for preparing self-binding pigment particles
PT2505615E (en) 2011-04-01 2014-07-11 Omya Int Ag Self-binding pigment hybrid
EP2565236B1 (en) 2011-08-31 2014-01-01 Omya International AG Self-binding pigment hybrid
PT2662416E (en) 2012-05-11 2015-10-09 Omya Int Ag Treatment of calcium carbonate containing materials for increased filler load in paper
ES2535863T3 (en) 2012-05-11 2015-05-18 Omya International Ag Sustainable adsorbable polymers
EP2662419B1 (en) 2012-05-11 2015-07-01 Omya International AG Charge controlled PHCH
EP2868716B1 (en) 2013-11-04 2017-01-04 Omya International AG Process for producing a high solids pigment suspension comprising carboxymethylcellulose-based dispersant
EP3018175B1 (en) 2014-11-07 2019-02-06 Omya International AG A process for the preparation of flocculated filler particles
EP3018176B1 (en) 2014-11-07 2018-04-25 Omya International AG A process for the preparation of flocculated filler particles
PL3118161T3 (en) 2015-07-17 2018-10-31 Omya International Ag High solids pcc with depolymerized carboxylated cellulose
DE102017223690A1 (en) 2017-12-22 2019-06-27 Se Tylose Gmbh & Co. Kg Oxidative degradation of cellulose ethers

Cited By (3)

* 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
EP0136722A2 (en) * 1983-10-06 1985-04-10 Kohjin Co., Ltd. Process for preparing carboxymethyl ethyl cellulose suitable for enteric coating
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
BE681669A (en) 1966-11-28
NL6606972A (en) 1966-11-30
GB1139637A (en) 1969-01-08
LU51202A1 (en) 1968-02-21
DE1543116A1 (en) 1969-07-31

Similar Documents

Publication Publication Date Title
CH478867A (en) Process for the production of water-insoluble polyethers
CH477490A (en) Process for the production of polyphenylene ethers
AT293433B (en) Process for the production of new diglycidyl ethers
CH461455A (en) Process for the production of low-viscosity water-soluble cellulose ethers
AT277475B (en) PROCESS FOR THE PRODUCTION OF NEW N6-ARALKYL-ADENOSINE DERIVATIVES
CH528516A (en) Process for the production of aromatic ethers
CH543508A (en) Process for the production of aromatic ethers
AT294118B (en) Process for the production of new diglycidyl ethers
AT278042B (en) Process for the production of cellulose ethers
CH485627A (en) Process for the production of cedar ethers
CH539067A (en) Process for the production of new ethers
AT255400B (en) Process for the production of new basic ethers
CH511861A (en) Process for the production of basic ethers
CH487091A (en) Process for the production of nitro derivatives
CH513183A (en) Process for the production of basic ethers
CH511231A (en) Process for the production of tropine ethers
AT277041B (en) Process for the production of hydraulic binders
CH469030A (en) Process for the production of water-soluble cellulose ethers
AT247996B (en) Process for the production of water-soluble binders
AT271355B (en) Process for the production of an isohumulone-rich hop extract
CH471075A (en) Process for the production of basic terpene ether derivatives
AT291592B (en) Process for the production of new polyphenylene ethers
AT268273B (en) Process for the preparation of new 5-nitroimidazole ethers
CH471073A (en) Process for the production of new basic ethers
AT262935B (en) Process for the production of sodium borohydride