Oscillatory shear and high-pressure dielectric study of 5-methyl-3-heptanol

Tina Hecksher, Bo Jakobsen, J. C. Dyre, Catalin Gainaru, Roland Böhmer, S. Pawlus, M. Paluch, R Figuli, M Wilhelm

Publikation: Bidrag til tidsskriftTidsskriftartikel


The monohydroxy alcohol 5-methyl-3-heptanol is studied using rheology at ambient pressure and using dielectric spectroscopy at elevated pressures up to 1.03 GPa. Both experimental techniques reveal that the relaxational behavior of this liquid is intermediate between those that show a large Debye process, such as 2-ethyl-1-hexanol, or a small Debye-like feature, such as 4-methyl-3-heptanol, with which comparisons are made. Various phenomenological approaches assigning a time scale for the rheological signature of supramolecular dynamics in monohydroxy alcohols are discussed.
TidsskriftColloid and Polymer Science
Udgave nummer8
Sider (fra-til)1913-1921
Antal sider9
StatusUdgivet - 2014

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