Conclusions
-- The structural-morphological features of yarns spun from a mixture of fusible polyarylenesulfone oxide (PASO) and polyamidobenzimidazole (PABI) have been studied.
-- It has been shown that in yarn containing from 1 to 15% by wt. of PABI belongs to two-phase disperse systems of the matrix type in which the birefringent PABI phase is dispersed in an isotropic matrix consisting of the fusible PASO component.
-- It has been found that in freshly spun PASO-PABI yarn at a weight ratio of 60:40 or 50:50, the PABI retains a high degree of molecular orientation, but the PASO is in a weakly oriented state.
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Literature cited
I. F. Efremov, Periodic Colloidal Structures [in Russian], Khimiya, Leningrad (1971).
L. Bellamy, The Infrared Spectra of Complex Molecules [Russian translation], Izd. Inostr. Lit, Moscow (1963).
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Additional information
VNIIPV, Mytishchi. Translated from Khimicheskie Volokna, No. 3, pp. 14–17, May–June, 1992.
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Nikitina, O.A., Fedorova, R.G., Lazareva, L.V. et al. Structural-morphological features of yarn spun from a polyarylenesulfone oxide-polyamidobenzimidazole mixture. Fibre Chem 24, 181–185 (1993). https://doi.org/10.1007/BF00554705
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DOI: https://doi.org/10.1007/BF00554705