Conclusions
The introduction of dihaloterephthalic acid units into polyoxadiazole leads to a decrease in the viscosity of its concentrated solutions.
The decrease in viscosity is explained by an increase in the affinity of the copolymer with respect to the solvent and by a decrease in the density of intermolecular contacts.
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Literature cited
O. I. Pankina, T. M. Ogneva, N. P. Okromchedlidze, and V. D. Manzurov, Khim. Volokna, No. 6, 14–15 (1983).
V. G. Kulichikhin, A. Ya. Malkin, E. G. Kogan, and A. V. Volokhina, Khim. Volokna, No. 6, 26–30 (1978).
Additional information
Translated from Khimicheskie Volokna, No. 3, pp. 35–36, May–June, 1985.
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Kogan, E.G., Pankina, O.I., Okromchedlidze, N.P. et al. Viscosity of halogenated polyoxadiazole solutions. Fibre Chem 17, 193–194 (1986). https://doi.org/10.1007/BF00581453
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DOI: https://doi.org/10.1007/BF00581453