2012, №4

сс. 82-87

The influence of the supercritical carbon dioxide parameters on the cellulose acetylization and on the cellulose acetates qualities

2012, №4

сс. 82-87

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A.D. Ivakhnov, T.E. Skrebets, K.G. Bogolitsyn

Key words: supercritical fluids, cellulose, acetylation, cellulose diacetate, acetic anhydride, process parameters

The possibility of cellulose diacetate production by direct acetylation of sulphite pulp with acetic anhydride in supercritical carbon dioxide (SC CO2) is demonstrated. Optimal acetic anhydride to cellulose ratio and parameters of SC CO2 are chosen.

doi:10.1134/S1990793113070087