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Improvement of Thermal Conductivity of Silicone by Carbon Nanotube Array (CNTA)

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Abstract:

In order to improve the thermal conductivity of silicone, we prepared silicone/carbon nanotube array (CNTA) composite by immersing the CNTA into silicone solution and cured at 110 °C. The thermal conductivity of silicone and silicone/CNTA composite was measured by laser flash method at 30 °C, 60 °C, 90 °C, 120 °C, which are usually the operating temperatures. It was found that the thermal conductivity of silicone/CNTA composite increased with the temperature until achieved the plateau near 90 °C. The maximum thermal conductivity of silicone/CNTA composite is 0.674 W/mK, which is 220% higher than that of neat silicone. The excellent thermal conductivity makes the composite a promising thermal interface material.

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Periodical:

Advanced Materials Research (Volumes 1061-1062)

Pages:

96-99

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1061-1062.96

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Online since:

December 2014

Authors:

Liang Ke Wu, Ji Ying, Li Ting Chen

Keywords:

Carbon Nanotube Array, Composite, Thermal Conductivity, Thermal Interface Materials

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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