Dynamics of weakly-coupled linear macromolecules

Results are presented of an investigation of low-frequency relaxation processes in concentrated solutions and melts of polymers -- systems of weakly coupled linear macromolecules. The effectiveness of a single-molecule approximation is demonstrated in which it is assumed that each macromolecule moves among its neighbors as if in an after-acting medium. An approach is examined which is confirmed by studying phenomena of optical anisotropy, diffusion, and neutron scattering, and which leads to a theory of viscoelasticity of polymer systems that turns out to be self-consistent.

PACS: 61.20.Lc, 61.25.Hq, 66.10.Cb, 62.10.+s, 61.20.Gy (all)
DOI: 10.1070/PU1992v035n05ABEH002236
URL: https://ufn.ru/en/articles/1992/5/b/
Citation: Pokrovskii V N "Dynamics of weakly-coupled linear macromolecules" Sov. Phys. Usp. 35 (5) 384–399 (1992)

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Оригинал: Покровский В Н «Динамика слабо связанных линейных макромолекул» УФН 162 (5) 87–121 (1992); DOI: 10.3367/UFNr.0162.199205b.0087

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