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Preparation of modified hollow glass microspheres using Fe2O3 and its flame retardant properties in thermoplastic polyurethane

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Abstract

In this paper, the hollow glass microspheres coated with Fe2O3 (HGM-Fe2O3) were synthesized and characterized by scanning electron microscopy (SEM–EDS) and X-ray photoemission spectroscopy, respectively. Then, the flame retardant and smoke suppression properties of HGM-Fe2O3 in thermoplastic polyurethane (TPU) composites have been investigated intensively using several methods, including cone calorimeter test (CCT), smoke density test (SDT), scanning electron microscopy, and thermogravimetric analysis/infrared spectrometry. The CCT results showed that HGM-Fe2O3 can greatly enhance the flame retardance of polymer matrix materials compared with TPU. For example, HGM-Fe2O3 can reduce heat release rate, total heat release, and smoke release of TPU composites in the combustion process. The SDT results showed that HGM-Fe2O3 can effectively decrease the amount of smoke production in the test. Furthermore, the TG results indicate that HGM-Fe2O3 can decrease the initial decomposition temperature, and change the structure of char residue layer.

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Acknowledgements

The authors gratefully acknowledge the National Natural Science Foundation of China (No. 51106078, No. 51206084), the University Research and Development Projects Shandong Province (J14LA13), and the Major Special Projects of Science and Technology from Shandong Province (2015ZDZX11011).

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Authors and Affiliations

  1. College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao, 266042, Shandong, People’s Republic of China

    Chuanmei Jiao, Li Zhao & Xilei Chen

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  1. Chuanmei Jiao
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  2. Li Zhao
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  3. Xilei Chen
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Correspondence to Xilei Chen.

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Jiao, C., Zhao, L. & Chen, X. Preparation of modified hollow glass microspheres using Fe2O3 and its flame retardant properties in thermoplastic polyurethane. J Therm Anal Calorim 127, 2101–2112 (2017). https://doi.org/10.1007/s10973-016-5831-x

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  • DOI: https://doi.org/10.1007/s10973-016-5831-x

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