Thermal transport of oil and polymer composites filled with carbon nanotubes |
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Authors: | Vitaliy Datsyuk Milana Lisunova Maria Kasimir Svitlana Trotsenko Kati Gharagozloo-Hubmann Izabela Firkowska Stephanie Reich |
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Institution: | 1.Fachbereich Physik,Freie Universit?t Berlin,Berlin,Germany |
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Abstract: | We studied the thermal transport properties of multi-walled carbon nanotubes (MWNTs) in polymer and oil matrices. The thermal
conductivity of the oils and polymers increased linearly when adding tubes. We observe a particularly high increase in the
thermal diffusivity of carbon-nanotube-loaded liquid crystal polymers (6×10−5 cm2/s wt%), which is due to a spontaneous alignment of the MWNTs. Carbon nanotubes increased the thermal conductivity of oil
by a factor of three for 20 wt% loading. We found little or no dependence of the thermal enhancement on the specific flavor
of multiwall nanotubes used in the composites. Carbon nanotubes are excellent nanoscale fillers for composites in thermal
management application. |
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