Process for etherifying cellulose with alkyl monochloroacetates

Details Process for etherifying cellulose with alkyl monochloroacetates Process for etherifying cellulose with alkyl monochloroacetates

C - Chemistry, Metallurgy

08

B

260/217.2

C08B 11/12 (2006.01)

Patent

CA 1205466

ABSTRACT OF THE DISCLOSURE Disclosed is a process for preparing water- soluble sodium carboxymethyl cellulose (NaCMC), including mixed ethers of NaCMC, by etherifying cellu- lose with alkyl monochloroacetates in an aqueous- alkaline dispersion containing at least one organic solvent. In the process, cellulose is first alkalized in an aqueous-alkaline dispersion, which optionally already contains the organic solvent. Subsequently, the alkali cellulose is reacted essentially with an alkyl monochloroacetate as the etherifying agent, in the presence of the organic solvent.

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