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Flame retardant and thermal degradation properties of flame retardant thermoplastic polyurethane based on HGM@[EOOEMIm][BF4]

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Abstract

This article mainly studies the flame retardant and thermal degradation properties of thermoplastic polyurethane (TPU) composites based on HGM@[EOOEMIm][BF4], prepared by modifying hollow glass microsphere (HGM) with ionic liquid [EOOEMIm][BF4]. The physical and chemical characteristic of HGM@[EOOEMIm][BF4] was tested by X-ray photoelectron spectroscopy and scanning electron microscope–energy-dispersive spectrometer, respectively. And then the flame retardant and thermal degradation characteristics of all TPU composites were tested using smoke density test (SDT), cone calorimeter test (CCT) and thermogravimetric/fourier transform infrared spectroscopy, etc. The SDT results showed that HGM@[EOOEMIm][BF4] can significantly decrease the amount of smoke production. The CCT revealed that HGM@[EOOEMIm][BF4] can greatly enhance the flame retardant of TPU. The peak heat release rate value decreased from 1224.0 kW m−2 (TPU0) to 498.5 kW m−2 (TPU/HB2). The TG test showed that HGM@[EOOEMIm][BF4] can improve the thermal stability of TPU composites and promote the char formation in the combustion process of TPU. All results confirmed that HGM@[EOOEMIm][BF4] can make a great influence on the combustion and degradation of TPU.

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Acknowledgements

The authors gratefully acknowledge the National Natural Science Foundation of China (No. 51776101, No.51206084), the Major Special Projects of Science and Technology from Shandong Province (2015ZDZX11011), 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, 266042, Shandong, People’s Republic of China

    Chuanmei Jiao, Hongzhi Wang & Xilei Chen

  2. College of Chemistry, Chemical Engineering and Materials Science, Institute of Molecular and Science, Shandong Normal University, Jinan, 250014, Shandong, People’s Republic of China

    Guowu Tang

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  1. Chuanmei Jiao
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  2. Hongzhi Wang
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Correspondence to Chuanmei Jiao.

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Jiao, C., Wang, H., Chen, X. et al. Flame retardant and thermal degradation properties of flame retardant thermoplastic polyurethane based on HGM@[EOOEMIm][BF4]. J Therm Anal Calorim 135, 3141–3152 (2019). https://doi.org/10.1007/s10973-018-7505-3

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  • DOI: https://doi.org/10.1007/s10973-018-7505-3

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