Oxidative delignification of wood in the supercritical carbon dioxide medium. 4. Acetylization of cellulose in the supercritical carbon dioxide medium |
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| Authors: | A. D. Ivakhnov T. E. Skrebets K. G. Bogolitsyn |
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| Affiliation: | 1.Institute of Theoretical and Applied Chemistry,Northern (Arctic) Federal University,Arkhangelsk,Russia |
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| Abstract: | It is shown that cellulose can be acetylated with acetic anhydride in supercritical carbon dioxide in the absence of traditional catalysts, toxic solvents, and dilutants. As substrates, three cellulose samples were tested: sulfite and sulfate cellulose and cellulose obtained by low-temperature delignification in a supercritical carbon dioxide medium. The chemical composition of the cellulose diacetate product is characterized. |
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