Low-temperature thermal properties of polypropylene

Year: 2002

Authors: Barucci M., Gottardi E., Olivieri E., Pasca E., Risegari L., Ventura G.

Autors Affiliation: Department of Mechanics and INFM Unity of Florence, Italy; Department of Physics, University of Florence, Italy; Department of Physics and INFM Unity of Florence, Via G. Sansone 1, 50019 Sesto Fiorentina (FL), Italy

Abstract: We have studied the low temperature thermal properties of a polypropylene copolymer (PP): thermal conductivity (between 0.1 and 4 K), specific heat (between 0.06 and 1 K) and thermal expansion (from 4.2 K to room temperature). Both the thermal conductivity and the specific heat temperature data were interpreted using the tunnelling model for phonon scattering. The measured thermal properties show that PP is suitable for use as thermal insulating support material in cryogenic devices.

Journal/Review: CRYOGENICS (GUILDF.)

Volume: 42 (9)      Pages from: 551  to: 555

KeyWords: Copolymers; Mathematical models; Phonons; Specific heat; Thermal conductivity; Thermal expansion; Thermal insulation, Phonon scattering, Polypropylenes
DOI: 10.1016/S0011-2275(02)00076-0

ImpactFactor: 0.833
Citations: 13
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