Gorniy vestnik Uzbekistana


The article proposes a new method for producing cellulose nitrate esters by pretreatment of cellulose with low concentrated nitric acid. Optimal conditions for the esterifi- cation reaction have been developed. Some properties of mono- and di- and trisubstituted nitrates were studied: degree of substitution, solubility, degree of polymerization, IR spectra, X-ray diffraction patterns are given.

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1. Obolenskaya A.V., Schegolev V.P., Akim G.L., Akim E.L., Kassovich H.L., Emelyanova I.Z. Practical work in the chemistry of wood and cellulose. M., 1965. 367 р. 2. Sarybaeva R.I., Schelokhova L.S. Chemistry of cellulose nitrate esters. Frunze, 1984. 109 p. 3. Shchelokhova L.S., Sarybaeva R.I. Chemistry and physical chemistry of cellulose. Frunze, 1985 147 p. 4. Kasko H.S., Pershina L.A. Study of the structure of highly substituted nitrates obtained from various samples of cellulose in an environment of sulfuric acid // Chemis- try of wood. 1985. No3. рр. 42.



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