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Characterization of cadoxene solutions of some cellulose esters by ultraviolet spectroscopy

P. Krkoška, A. Blažej, and K. Karas

Department of Textile, Pulp, and Paper Technology, Slovak Technical University, 880 37Bratislava

 

Abstract: Ultraviolet absorption spectra for cadoxene solutions of benzoyl-, 2-furoyl-, 2-furoylacetyl-, 3-(2-furyl)acryloyl-, 3,5-dinitrobenzoylcellulose, methyl 2,3,4,6-tetra-0-(2-furoyl)-a-D-glucopyranoside, and octa-0-(2-furoyl)cellobiose have been measured. The obtained spectral data were satisfactorily used in the determination of the degree of substitution of the substrates. The chemical changes during the process of dissolution of cellulose esters in cadoxene have been studied.

Full paper in Portable Document Format: 311a118.pdf

 

Chemical Papers 31 (1) 118–126 (1977)

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