Abstract
Structural transformations have been studied in oriented samples of isotactic polypropylene with various contents of stereodefects. With the use of small- and wide-angle X-ray diffraction, it was found that a stretched film of polypropylene contains small and defective crystallites of the α phase with an axial orienta tion. The γ phase is formed in oriented polypropylene with a significant amount of stereodefects during high-temperature annealing near the melting point owing to epitaxial crystallization of the partial melt on residual oriented crystallites. The clearer this process is expressed, the lower the degree of crystallinity and/or the higher the degree of stretching of the samples. An increase in the amount of stereodefects in the initial material is expressed in the appearance of the second long period, which is associated with the formation of lamellar crystallites of the γ phase.
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References
S. Brückner, S. V. Meille, V. Petraccone, and B. Pirozzi, Prog. Polym. Sci. 16(2–3), 361 (1991).
G. Natta and P. Corradini, Nuovo Cimento A 15, 40 (1960).
E. Lezak, Z. Bartezak, and A. Galeski, Macromolecules 39(14), 4811 (2006).
B. Lotz, S. Graff, S. Straupe, and J. C. Wittmann, Polymer 32(16), 2902 (1991).
C. De Rosa, F. Auriemma, O. R. Ruiz De Ballesteros, D. De Luca, L. Resconi, Macromolecules 41(6), 2172 (2008).
S. V. Meille, S. Brückner, and W. Porzio, Macromolecules 23(18), 4114 (1990).
E. Perez, D. Zucchi, M. C. Sacchi, F. Forlini, A. Bello, Polymer 40(3), 675 (1999).
F. P. T. Van der Burgt, S. Rastogi, J. C. Chadwick, and B. Rieger, J. Macromol. Sci., Part B: Phys. 41(4–6), 1091 (2002).
C. De Rosa, F. Auriemma, C. Spera, G. Talarico, O. Tarallo, Macromolecules 37(4), 1441 (2004).
J. Arraz-Andres, B. Pena, R. Benavente, E. Perez, M. L. Cerrada, Eur. Polym. J. 43(6), 2357 (2007).
C. De Rosa, F. Auriemma, M. Paolillo, L. Resconi, I. Camurati, Macromolecules 38(22), 9143 (2005).
V. I. Selikhova, N. P. Bessonova, E. V. Konyukhova, Ya. I. Odarchenko, E. A. Sinevich, S. N. Chvalun, B. Rieger, Polym. Sci., Ser. A 50(10), 1071 (2008).
A. Turner-Jones, J. M. Aizlewood, and D. R. Beckett, Macromol. Chem. 75, 134 (1964).
E. Lezak and Z. Bartezak, Macromolecules 40(14), 4933 (2007).
F. Auriemma and C. de Rosa, Macromolecules 39(22), 7635 (2006).
B. Lotz and J. C. Wittmann, J. Polym. Sci., Polym. Phys. Ed. 24(7), 1541 (1986).
M. Franke and N. Rehse, Macromolecules 41(1), 163 (2008).
S. Hild, C. Cobzaru, C. Troll, and B. Rieger, Macromol. Chem. Phys. 207(7), 665 (2006).
Y. Cao, R. M. van Horn, C.-C. Tsai, M. J. Graham, K.-U. Jeong, B. Wang, F. Auriemma, C. de Rosa, B. Lotz, S. Z. D. Cheng, Macromolecules 42(13), 4758 (2009).
I. L. Hosier, R. G. Alamo, and J. S. Lin, Polymer 45(10), 3441 (2004).
U. Dietrich, M. Hackmann, B. Rieger, M. Klinga, M. Leskelä, J. Am. Chem. Soc. 121(18), 4348 (1999).
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Original Russian Text © V.I. Selikhova, Ya.I. Odarchenko, N.P. Bessonova, E.A. Sinevich, M.A. Shcherbina, S.N. Chvalun, B. Rieger, 2015, published in Vysokomolekulyarnye Soedineniya. Ser. A, 2015, Vol. 57, No. 4, pp. 311–322.
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Selikhova, V.I., Odarchenko, Y.I., Bessonova, N.P. et al. Formation of the gamma phase in oriented isotactic polypropylene with varying stereoregularity. Polym. Sci. Ser. A 57, 404–414 (2015). https://doi.org/10.1134/S0965545X15040136
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DOI: https://doi.org/10.1134/S0965545X15040136