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In relation to this article, we declare that there is no conflict of interest.
Publication history
Received December 28, 2010
Accepted February 22, 2011
articles This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Measurement of thermal property of polystyrene using dual quartz crystal resonators

Department of Chemical Engineering, Dong-A University, 840 Hadan-dong, Saha-gu, Busan 604-714 Korea
Korean Journal of Chemical Engineering, September 2011, 28(9), 1924-1926(3), 10.1007/s11814-011-0048-y
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Abstract

A new device using dual quartz crystal resonators is proposed to determine the thermal property and morphological change of polystyrene. The resonators are installed in a small aluminum cell directly heated and air cooled according to the programmed temperature variation. The resonant frequencies of the dual resonators-one for reference and the other for sample-are measured and analyzed for the morphological change while their temperature varies. The temperatures of the changes are compared with the DSC thermogram and previously reported studies, and it is found_x000D_ that the measurements are comparable to those of the DSC. The proposed device is simple and easy to construct, and a portable system is available with some modification.

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