| Effect of Modified Graphite on Thermal Conductivity of NR Composite |
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| DOI： |
| Key Words: NR；silane coupling agent；modified graphite；composite；thermal conductivity；physical property |
| Author Name | Affiliation | | LI Ming-qin | North University of China | | ZHANG Jia-jia | North University of China | | NIU Hui-jun | North University of China | | ZHANG Zhi-yi | North University of China | | LIU Ya-qing | North University of China |
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| Abstract: |
| Graphite was modified by different surfactants or coupling agents and filled in NR composite.The modification effect on graphite and influence of the addition level of graphite on the physical property，thermal conductivity and microstructure of NR composite were investigated.The results showed that the best modification was achieved by using silane coupling agent Si69 and resulted in lipophilicity of the modified graphite.With Si69 modification，the interface compatibility between graphite and NR was improved，and the physical property and thermal conductivity of NR composite were increased.As the addition level of Si69 modified graphite increased，the thermal conductivity of NR composite increased，the physical property increased at first and then decreased， and the optimized addition level of modified graphite was 30 phr. |
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