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Facile method for the preparation of tri‐ O ‐(alkyl)cellulose
Author(s) -
Kondo Tetsuo,
Gray Derek G.
Publication year - 1992
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1992.070450306
Subject(s) - cellulose , alkyl , alkylation , chemistry , iodide , cellulose acetate , organic chemistry , polymer , polymer chemistry , catalysis
A simple way to prepare tri‐ O ‐(alkyl)cellulose from cellulose acetate (CA) in dimethylsulfoxide (DMSO) using the appropriate alkyl iodide and NaOH has been developed. In this procedure, the addition of a small amount of water to the DMSO solution improved the efficiency of etherification. The substitution pattern of (methyl)cellulose (MC) was investigated to determine the effect of added water on the relative reactivities of the glucose ring substituents. This etherification method can be applied to alkylate other polymers with acetate‐functional groups that are soluble in DMSO.