Dependences of birefringence of the radial coordinate have been obtained for “old” and relatively fresh UHM yarns using the polarizing interference microscope.
Storage of UHM yarns in air leads to increased strength and elongation at break in microplastics and correspondingly to an increase in the birefringence close to the yarn surface and on it.
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I. K. Nekrasov and L. N. Tsvetkova, Vysokomol. Soed., Ser. B,31, No. 4, 262 (1989).
D. Markuze and Kh. M. Presbi, Trudy Inst. Inzh. Elektron. Radiotekh.,68, No. 6, 32 (1980).
Translated from Khimicheskie Volokna, No. 4, pp. 43–44, July–August, 1989.
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Nekrasov, I.K., Kucher, V.I., Andreev, A.S. et al. Study of the change in morphological structure of UHM yarns on storage by the polarization interferometry method. Fibre Chem 21, 335–336 (1990). https://doi.org/10.1007/BF00556117
- Morphological Structure
- Radial Coordinate
- Interference Microscope
- Interferometry Method