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An efficient flame-retardant and smoke-suppressant agent by coated hollow glass microspheres with ammonium molybdophosphate for thermoplastic polyurethane

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Abstract

In this article, an efficient flame-retardant and smoke-suppressant agent HGM@AMP was prepared by coated hollow glass microspheres (HGM) with ammonium molybdophosphate (AMP) and applied in thermoplastic polyurethane (TPU). The fire safety characteristics including heat and smoke production of TPU composites were investigated using cone calorimeter test (CCT), smoke density test (SDT), thermogravimetric analysis/infrared spectrometry (TG-IR), etc. The CCT results revealed that HGM@AMP could significantly decrease the heat release rate (HRR), total smoke release, smoke factor and so on. For example, when the loading of HGM@AMP was 0.5 mass%, the peak HRR value of the sample was decreased to 512.4 kW m−2, reduced by 55.1% compared with the sample containing the same loading of HGM (1141.8 kW m−2). The SDT results indicated that HGM@AMP could obviously improve the luminous flux of TPU composites in the test with or without flame, decreasing the production of smoke. And the TG-IR results showed that HGM@AMP can improve the thermal stability of TPU composites at high temperature. In all, HGM@AMP would make a great influence in improving the fire safety of TPU.

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Acknowledgements

The authors gratefully acknowledge the National Natural Science Foundation of China (Nos. 51776101, 51206084) the Natural Science Foundation of Shandong Province (ZR2017MB016) and the Project of the State Administration of Work Safety (shandong-0039-2017AQ).

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Authors and Affiliations

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

    Chuanmei Jiao, Hongzhi Wang & Xilei Chen

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  1. Chuanmei Jiao
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  2. Hongzhi Wang
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  3. Xilei Chen
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Correspondence to Xilei Chen.

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Jiao, C., Wang, H. & Chen, X. An efficient flame-retardant and smoke-suppressant agent by coated hollow glass microspheres with ammonium molybdophosphate for thermoplastic polyurethane. J Therm Anal Calorim 137, 1579–1589 (2019). https://doi.org/10.1007/s10973-019-08044-8

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  • DOI: https://doi.org/10.1007/s10973-019-08044-8

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