Neutron-Spin-Echo Investigation on the Dynamics of Polybutadiene near the Glass Transition
- 21 November 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 61 (21), 2465-2468
- https://doi.org/10.1103/physrevlett.61.2465
Abstract
We present neutron-spin-echo data on the structural relaxation of glass-forming polybutadiene near the glass transition. Microscopic dynamics on the scale of an interchain distance and the monomeric friction coefficient derived from macroscopic viscosity relaxation obey the time-temperature superposition principle following a common scale. The dynamic structure factor exhibits strong similarities with recent mode-coupling predictions.Keywords
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