Conclusions
A correlative connection has been established between acoustical characteristics and the orientation of macromolecules or the strength of yarns of various chemical natures.
It has been shown that any structural transformations in oriented polymers which lead to a change in molecular orientation cause a change in the absorption coefficient of ultrasonic waves.
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Additional information
Translated from Khimicheskie Volokna, No. 5, pp. 26–28, September–October, 1984.
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Yunusov, B.K., Nosov, M.P. Dependence of acoustical characteristics on molecular orientation and strength of man-made fibres. Fibre Chem 16, 332–335 (1985). https://doi.org/10.1007/BF00551379
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DOI: https://doi.org/10.1007/BF00551379