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Getting Secondary Cellulose Acetate by Direct Acetylation in Medium of Supercritical Carbon Dioxide

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

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UDС

661.728.82:542

DOI:

Abstract

The possibility of producing cellulose diacetate by direct acetylation of sulfate and sulfite pulp with acetic anhydride is demonstrated. The acetylation process is characterized by the low consumption of acetic anhydride, absence of catalysts, traditional solvent and diluting agents.

Authors

A.D. Ivakhnov, K.G. Bogolitsyn, T.E. Skrebets
Arkhangelsk State Technical University

Affiliation

Arkhangelsk State Technical University

Keywords

supercritical media, cellulose, acetylation, diacetate of cellulose, acetic anhydride.

Getting Secondary Cellulose Acetate by Direct Acetylation in Medium of Supercritical Carbon Dioxide

 

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