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High thermal conductivity and low electrical conductivity tailored in carbon nanotube (carbon black)/polypropylene (alumina) composites.
- Source :
-
Composites Science & Technology . Sep2016, Vol. 133, p111-118. 8p. - Publication Year :
- 2016
-
Abstract
- In this paper, a stellated carbon filler (S-filler) through passivation of the surfaces of carbon nanotubes and carbon black (CNTs/CB) was fabricated, and the corresponding thermal conductive composites of polypropylene (blended with alumina) (PP/Al 2 O 3 ) incorporated with S-filler were fabricated. When adding 15 wt% S-filler, the composite shows an DC electrical resistivity as high as 8.34 × 10 11 Ω cm and high thermal conductivity about 0.68 W/m·k. The composite using the new carbon filler as hybrid part shows a higher thermal conductivity and electric insulation. The rheological test also shows that the percolation network is not formed by the S-filler. This work offers a novel route for the design of thermally conductive, but electrically insulative composites with polymer as a matrix. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 02663538
- Volume :
- 133
- Database :
- Academic Search Index
- Journal :
- Composites Science & Technology
- Publication Type :
- Academic Journal
- Accession number :
- 117587379
- Full Text :
- https://doi.org/10.1016/j.compscitech.2016.07.031