Fractional Coupling of Primary and Johari–Goldstein Relaxations in a Model Polymer
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DOI: 10.3390/polym14245560
Abstract: A polymer model exhibiting heterogeneous Johari–Goldstein (JG) secondary relaxation is studied by extensive molecular-dynamics simulations of states with different temperature and pressure. Time–temperature–pressure superposition of the primary (segmental) relaxation is evidenced. The time scales of… read more here.
Keywords: coupling primary; relaxation; johari goldstein; johari ... See more keywords