Differential thermal analysis under pressure on cyclohexanone-d10 metatoluidine and bromocyclohexane

Büsing, D.; Hamann, F.; Würflinger, A.

doi:10.1016/s0040-6031(97)00133-0

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1999

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Cited by 8 publications

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“…This can be caused by the fact that the DTA signal due to glass transition is generally very small [ 16]. But more important is that increasing the pressure applied to the sample during the annealing procedure favours the conditions for growth of crystalline nuclei into the crystal phase.…”

Section: Final Remarksmentioning

confidence: 99%

High-pressure DTA Studies of the Phase Behaviors of 4-n -butyl-thiocyanobiphenyl (4TCB) and 4-w-pentyl-4’-n-phenyl-cyanocyclohexane (5HCP)

Massalska-Arodź

Würflinger

Büsinga

1999

Zeitschrift Für Naturforschung A

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DTA measurements of 4-/i-butyl-thiocyanobiphenyl (4TCB) and/?-cyano-/?'-pentylphenyl-cyclohexane (5HCP) have been performed in the temperature range 220 K-390 K and pressures up to 400 MPa. For 4TCP a transition from a crystalline to a liquid crystal phase (probably smectic E) could be detected at higher pressures > 90 MPa. The pressure dependence of the transition temperature has been established. At pressures lower than 88.7 MPa no transition of SmE into a crystal or into a glass has been found. For 5HCP only the melting curve was observed, in contrast to 5PCH, which displays a liquid crystalline nematic phase.

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Section: Final Remarksmentioning

confidence: 99%