The changes of several characteristics (degree of polymerization, crystallinity index, fraction composition) of various types of celluloses (cotton, wood sulfite and sulfate, cellophane) that occur through the action of γ-radiation were examined. It was shown that the characteristics of radiationchemical modification of cellulose and aqueous solutions of carboxymethylcellulose could be calculated and used as bases for developing industrial processes for processing cellulose materials.
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The term viscosity of aqueous CMC solutions means the greatest Newtonian viscosity (η0) that is not changed upon increasing the rate gradient or shear stress and that is found by extrapolation of the effective viscosity at a shear rate of 1 s–1.
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Translated from Khimicheskie Volokna, No. 1, pp. 17-21, January—February, 2013.
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Kleiner, Y.Y., Gal’braikh, L.S., Irklei, V.M. et al. Properties of radiation-modified celluloses and their derivatives. Fibre Chem 45, 17–20 (2013). https://doi.org/10.1007/s10692-013-9473-5
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DOI: https://doi.org/10.1007/s10692-013-9473-5