Rheological constants of viscose have been determined which make it possible to describe mathematically the anomalous portion of the flow curves and the temperature dependence of viscose viscosity, and also are necessary for calculating the technological parameters of the process of continuous dissolution of cellulose xanthate and to construct apparatus.
The possibility of calculating the heat-up of viscose after treatment in continuous dissolvers and of selecting a continuous solution regime at an assigned temperature for the exiting viscose from calculation relationships has been demonstrated.
The advisability of simultaneously carrying out the processes of solution and heating of the viscose in continuous apparatus has been established.
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Translated from Khimicheskie Volokna, No. 2, pp. 28–30, March–April, 1990.
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Shibaev, A.V., Butkova, N.T. The heating process in dissolving cellulose xanthate in an apparatus of the screw type. Fibre Chem 22, 95–98 (1990). https://doi.org/10.1007/BF00555735
- Cellulose Xanthate
- Flow Curve