Abstract
Structural and phase transformations in the course of the multistage physical aging of semi-inter-penetrating polymer networks based on crosslinked polyurethane and linear polystyrene are studied. Dynamic mechanical and thermophysical studies make it possible to assume that, as a result of the physical aging, a heterogeneous polymer system experiences structural rearrangements and the fraction of the inter-facial region increases.
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Original Russian Text © N.V. Babkina, Yu.S. Lipatov, T.T. Alekseeva, N.V. Yarovaya, 2009, published in Vysokomolekulyarnye Soedineniya, Ser. A, 2009, Vol. 51, No. 8, pp. 1461–1468.
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Babkina, N.V., Lipatov, Y.S., Alekseeva, T.T. et al. Evolution of the structure and phase state in nonequilibrium heterogeneous polymer systems. Polym. Sci. Ser. A 51, 904–911 (2009). https://doi.org/10.1134/S0965545X09080094
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DOI: https://doi.org/10.1134/S0965545X09080094