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Thermal conductivities of polytetrafluoroethylene and polychlorotrifluoroethylene between 4.2 and 20 K

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Abstract

The thermal conductivities of bulk technical samples of polytetrafluoroethylene and polychlorotrifluoroethylene were measured in the temperature range 4.2–20 K by application of the steady-state method. An interpretation of the thermal conductivity data in terms of the available theoretical and empirical models is presented.

Zusammenfassung

Die thermischen Leitfähigkeiten technischer Einzelproben von Polytetrafluoräthylen und Polychlortrifluoräthylen wurden im Temperaturbereich von 4.2 bis 20 K durch Einsatz der Festkörper-Methode gemessen. Eine Deutung der thermischen Leitfähigkeitsangaben wird anhand der zur Verfügung stehenden theoretischen und empirischen Modelle gegeben.

Резюме

Измерены удельные те плопроводности объе мных технических образцо в политетрафторэтил ена и политрифторхлорэти лена в области температур 4.2–20 К с помо щью метода стационарног о состояния. Интерпре тация полученных данных пр оведена на основе доступных теоретиче ских и эмпирических м оделей.

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Additional information

This work was done in the International Laboratory of High Magnetic Fields and Low Temperatures, Wrocław, Poland.

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Terziiska, B., Mädge, H. Thermal conductivities of polytetrafluoroethylene and polychlorotrifluoroethylene between 4.2 and 20 K. Journal of Thermal Analysis 24, 3–8 (1982). https://doi.org/10.1007/BF01914793

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  • DOI: https://doi.org/10.1007/BF01914793

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