Process for preparing alkali metal salt of carboxymethyl cellulo

Details Process for preparing alkali metal salt of carboxymethyl cellulo Process for preparing alkali metal salt of carboxymethyl cellulo

1976-04-02

1977-12-13

Griffin, Ronald W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

106170, 106197C, C08B 1100

Patent

active

040630188

ABSTRACT:
An alkali metal salt of carboxymethyl cellulose ether is prepared by dissolving an alkali in a water-containing organic solvent, adding starting cellulose to the solution, stirring the mixture to form a slurry of the alkali cellulose and then reacting it with an etherifying agent. Alternatively, it is prepared by reacting the starting cellulose in a water-containing solvent with sodium monochloroacetate as an etherifying agent, in the presence of an alkali.

REFERENCES:
patent: 2447914 (1948-08-01), Ruperti
patent: 2512338 (1950-06-01), Klug et al.
patent: 2517577 (1950-08-01), Klug et al.
patent: 2735846 (1956-02-01), Richter
patent: 3085087 (1963-04-01), Henry et al.
patent: 3723413 (1973-03-01), Chatterjee et al.
patent: 3915959 (1975-10-01), Goheen et al.

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