| Issue |
MATEC Web Conf.
Volume 358, 2022
3rd International Symposium on Mechanics, Structures and Materials Science (MSMS 2022)
|
|
|---|---|---|
| Article Number | 01037 | |
| Number of page(s) | 4 | |
| DOI | https://doi.org/10.1051/matecconf/202235801037 | |
| Published online | 19 May 2022 | |
Preparation and Thermal Conductivity of FG/PP Composites
1 Institute of Energy Source, Hebei Academy of Sciences, Shijiazhuang, 050081, China
2 Hebei University of Science and Technology, Shijiazhuang, 050018, China
* Corresponding author: xiaoji@hebust.edu,cn
The surface modified flake graphite (FG) was filled into polypropylene (PP) and mixed by a double-roll open mill. FG/PP composites with high thermal conductivity were prepared by compression molding. Studies had shown that the modification of FG by coupling agent was beneficial to the dispersion in FG/PP composites. The effect was better when the amount of NDZ-201 was 0.7wt%. With the increase of FG particle size, the thermal conductivity of FG/PP composites increased obviously. Compared with 17μm FG, the average, vertical and parallel thermal conductivity of FG/PP composites prepared with 148μm FG increased by 65.9%, 87.7% and 47.0% respectively. The thermal conductivity of FG/PP composites were improved with the increase of FG content. When FG content was 70wt%, the thermal conductivity increased significantly, the average, vertical and parallel thermal conductivity reached 4.16 W·m-1·K-1, 0.938 W·m-1·K-1 and 18.4 W·m-1·K-1.
Key words: Flake graphite / Polypropylene / Composites / Thermal conductivity
© The Authors, published by EDP Sciences, 2022
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