The transition to the glassy state in crude oil has been investigated at high pressures by the transient hot-wire method and differential scanning calorimetry. The nine samples investigated represent the most common types of crude oils and their fractions. The range of pressures was from atmospheric to 2 GPa in the temperature range of 150–370 K. The pressure dependence of the glass transition in crude oils and oil fractions (dT g/dp) depends upon the viscosity of the system.
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Kutcherov, V. Glass Transition in Crude Oils Under Pressure. Int J Thermophys 27, 467–473 (2006). https://doi.org/10.1007/s10765-005-0004-3
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DOI: https://doi.org/10.1007/s10765-005-0004-3