In dielectric measurements, progress of crystallization is manifested by decreasing of static permittivity. Analyzing  time evolution of static permittivity during crystallization it is possible to determine the overall crystallization rate constant.    Here we will present a new approach to study crystallization phenomena by maintaining the isochronal conditions during crystallization kinetics measurements. It means that dielectric studies of crystallization kinetics are performed at different temperature and pressure combinations but  all the time keeping the same value of the structural relaxation time. As it will be demonstrated  the main advantage of such approach is that one can untangle thermodynamic effects on crystallization from kinetics ones. Experimental results will be discussed within the formalism provided by Gutzow and co-workers.<br/>

Application of dielectric spectroscopy for investigation of crystallization kinetics  of supercooled liquids at ambient and elevated pressure

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.