Journal of Thermal Analysis and Calorimetry

, Volume 131, Issue 3, pp 2503–2512 | Cite as

Effect of ππ interaction between carbon nanotubes and phenyl groups on the thermal stability of silicone rubber

Article
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Abstract

To investigate the effect and mechanism of ππ interaction between carbon nanotubes (CNTs) and phenyl groups on the thermal stability of silicone rubber (SR), three kinds of silicone rubber with different phenyl content were used to prepare CNTs/SR composites in present study. Raman spectroscopy and X-ray photoelectron spectroscopy demonstrated that the ππ interaction between CNTs and phenyl groups in composites is enhanced with phenyl content increasing. The results of thermogravimetric analysis and tensile testing before and after aging indicted the ππ interaction makes CNTs improve the thermal stability of phenyl SR more efficiently than that of methyl vinyl SR. The T 5 (defined as the temperature for 5% mass loss) of CNTs/SR-3 (with 10–20% phenyl content) is increased by 19.4 °C compared to that of SR-3, and the final residual mass of CNTs/SR-3 (31.9%) is much higher than other samples under argon atmosphere.

Keywords

Silicone rubber Carbon nanotubes (CNTs) Phenyl content ππ interaction Thermal stability 

Notes

Acknowledgements

The authors wish to thank the National Natural Science Foundation of China (Grant No. 51273143) for supporting this research.

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2017

Authors and Affiliations

  1. 1.Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and EngineeringTianjin UniversityTianjinPeople’s Republic of China

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