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Improving flame-retardant efficiency by incorporation of fullerene in styrene–butadiene–styrene block copolymer/aluminum hydroxide composites

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Abstract

The effects of fullerene (C60) and aluminum hydroxide (ATH)/C60 combination on the thermal stability, flame retardancy and mechanical properties of styrene–butadiene–styrene block copolymer (SBS) were investigated. Adding small amount (0.5–2 mass%) of C60 into SBS matrix raised the initial decomposition temperature of the composites slightly, while C60 alone had little influence on the flame-retardant behavior. In SBS/ATH/C60 system, however, the addition of C60 significantly improved the UL-94 vertical combustion grade and limiting oxygen index. The total content of the flame retardant in SBS/ATH/C60 system (56 mass%) was lower than that in SBS/ATH system (60 mass%) when UL-94 reached V0 level. Consequently, the adverse effects on the mechanical properties due to the high level of flame-retardant loading reduced. Meanwhile, the data obtained from cone calorimetric test indicated that C60 can not only reduce the heat release rate, but also raise the char residue of SBS/ATH composites.

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Acknowledgements

This work was financially supported by the National Natural Science Foundation of China (No. 51073140) and the Ningbo Science and Technology Innovation Team (No. 2015B11005).

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Authors and Affiliations

  1. School of Materials Science and Engineering, Shanghai University, Shanghai, 200444, People’s Republic of China

    Xinrui Zhou & Hefeng Hu

  2. Lab of Polymer Materials and Engineering, Ningbo Institute of Technology, Zhejiang University, Ningbo, 315100, People’s Republic of China

    Xinrui Zhou, Shiya Ran & Zhengping Fang

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  1. Xinrui Zhou
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  2. Shiya Ran
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  3. Hefeng Hu
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  4. Zhengping Fang
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Correspondence to Zhengping Fang.

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Zhou, X., Ran, S., Hu, H. et al. Improving flame-retardant efficiency by incorporation of fullerene in styrene–butadiene–styrene block copolymer/aluminum hydroxide composites. J Therm Anal Calorim 125, 199–204 (2016). https://doi.org/10.1007/s10973-016-5354-5

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  • DOI: https://doi.org/10.1007/s10973-016-5354-5

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