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2013 | 124 | 6 | 917-925
Article title

Solid State Polymorphism and Dynamics οf 2,2-Dimethylbutan-1-ol as Studied by Adiabatic Calorimetry and Dielectric Spectroscopy

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EN
Abstracts
EN
2,2-dimethylbutan-1-ol, known as neohexanol, was studied by adiabatic calorimetry and dielectric spectroscopy. Details of complex solid state polymorphism and relaxational dynamics were identified and described. System of phases of neohexanol was found to be monotropic with three orientationally disordered crystalline phases besides isotropic liquid and ordered crystal. Moreover, two subsequent glass transition anomalies of heat capacity C_{p}(T) were detected on heating in one of the supercooled orientationally disordered crystalline phases. Thermodynamical properties of neohexanol are described in relation to the dielectric relaxation processes found.
Keywords
EN
Contributors
  • The H. Niewodniczański Institute of Nuclear Physics, PAS, Kraków, Poland
author
  • The H. Niewodniczański Institute of Nuclear Physics, PAS, Kraków, Poland
  • The H. Niewodniczański Institute of Nuclear Physics, PAS, Kraków, Poland
author
  • The H. Niewodniczański Institute of Nuclear Physics, PAS, Kraków, Poland
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv124n603kz
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