The need to account for the anisotropy of compact samples pressed from ground polypropylene (PP) fibers was demonstrated during a determination of the degree of polymer crystallinity using x-ray structure analysis. The destruction of the spherical scattering symmetry of x-rays by PP fiber samples was proven to be unrelated to the polymer amorphous phase. A method for calculating the degree of crystallinity of fiber composites from the normalized intensity of the diffuse halo of the studied composites and standard powdered PP samples was proposed. It was found that the degree of spinneret drawing of PP composite threads had practically no effect on the degree of polymer crystallinity whereas the simultaneous effects of temperature and orientation factors during solid-state drawing increased the fiber crystallinity by 1.15-1.17 times with degree of drawing 4.2-5.6, which was one of the reasons for the increased thread strength.
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References
A. E. Zavadskii, S. Yu. Vavilova, and N. P. Prorokova, Khim. Volokna, No. 4, 18-23 (2014).
A. E. Zavadskii, S. Yu. Vavilova, and N. P. Prorokova, Khim. Volokna, No. 3, 22-26 (2013).
S. Eichhorn, J. W. S. Hearle, et al. (eds.), Handbook of Textile Fibre Structure, Volume 1: Fundamentals and Manufactured Polymer Fibres, Woodhead Publ., Cambridge, 2009.
M. F. S. Lima, M. A. Z. Vasconcellos, and D. Samios, J. Polym. Sci., Part B: Polym. Phys., 40, 896-903 (2002).
M. Rabiej, Fibres Text. East. Eur., 13, No. 5, 83-87 (2003).
J. R. Isasi, L. Mandelkern, et al., J. Polym. Sci., 37, 323 (1999).
A. E. Zavadskii, Khim. Volokna, No. 6, 28-32 (2004).
S. Yu. Vavilova, N. P. Prorokova, and A. P. Pikalov, Izv. Vyssh. Uchebn. Zaved., Tekhnol. Legk. Prom-st., 12, No. 2, 17-20 (2011).
Z. A. Zazulina, T. V. Druzhinina, and A. A. Konkin, Principles of Chemical Fiber Technology [in Russian], 2nd Ed., Khimiya, Moscow, 1985, 304 pp.
A. E. Zavadskii, Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 46, No. 1, 46-49 (2003).
N. A. Yakunin and A. E. Zavadskii, Vysokomol. Soedin., Ser. A, 46, No. 6, 1023-1029 (2004).
E. Lazak and Z. Bartczak, Fibres Text. East. Eur., 13, No. 5, 51-56 (2005).
D. M. Dean, L. Rebenfeld, and R. A. Register, J. Mater. Sci., 33, 4797-4812 (1998).
I. Karacan and H. Benli, Tekstil ve Konfeksiyon, 21, No. 3, 201-209 (2011).
B. K. Vainshtein, X-ray Diffraction by Chains of Molecules [in Russian], Izd. Akad. Nauk SSSR, Moscow, 1963, 372 pp.
A. E. Zavadskii, Khim. Volokna, No. 4, 38-42 (2013).
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Translated from Khimicheskie Volokna, No. 2, pp. 10-15, March—April, 2015.
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Zavadskii, A.E., Vavilova, S.Y. & Prorokova, N.P. X-Ray Analysis of Polypropylene Thread Crystallization during Spinning. Fibre Chem 47, 79–84 (2015). https://doi.org/10.1007/s10692-015-9641-x
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DOI: https://doi.org/10.1007/s10692-015-9641-x