MATEC Web Conf.
Volume 382, 20236th International Conference on Advances in Materials, Machinery, Electronics (AMME 2023)
|Number of page(s)||5|
|Published online||26 June 2023|
Research on Properties of Polypropylene/Flake Graphite Molded Composite Materials
1. Institute of Energy Source, Hebei Academy of Sciences, Shijiazhuang, 050081, China
2. School of Chemical Engineering, Shijiazhuang University, Shijiazhuang, 050018, China
3. Hebei University of Science and Technology, Shijiazhuang, 050018, China
* Corresponding author: email@example.com
PP/FG composite materials were prepared by compressing moulding under high temperature through high-speed mixer, mixing mill and vulcanization machine taking PP as the matrix resin, FG as the thermal conductive filler, and NDZ-201 as the coupling agent. Effects of PP proportion, FG content and particle size on the thermal conductivity and mechanical properties of composite materials were studied. Results showed that PP proportion has little effect on the thermal conductivity of PP/FG composite materials, but it greatly affects the mechanical properties of the composite materials. Overall, the quality ratio of PP230 to K-4038 at 50:50 is more suitable. With the increasing of FG content, the thermal conductivity increases, and a significant critical value appears when the FG content is 50 wt%; The strength of the composite material first decreases and then increases, with an increase in modulus and a decrease in strain. As the FG particle size increases, the thermal conductivity of the composite material increases and the mechanical properties decrease.
Key words: Polypropylene / Flake graphite / Compression molding / Composite materials / Thermal conductivity
© The Authors, published by EDP Sciences, 2023
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