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Research on the effect of pyrolysis and melting on thermal insulation of glass fiber at multiple scales

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Abstract

Multi-scale experiments including thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), fire propagation analysis (FPA), and fire resistance test were carried out to study thermal insulation of glass fiber. Temperature range of pyrolysis and combustion, heat of reaction and mass loss were measured by TGA and DSC. The percentage of mass loss measured by TGA and FPA is almost the same. The melting of glass fiber lead to the morphological changes of glass fiber under high radiation heat flux in FPA. The fire resistance test shows that glass fiber has excellent thermal insulation in two structures at low temperatures, but the melting of glass fiber has become a deadly destruction to structural failure at high temperatures. Simulation has been done to the fire resistance of a typical high-speed floor structure containing glass fiber. The simulation results are in good agreement with the experimental results, revealing the importance of considering pyrolysis and melting of glass fiber in predicting its thermal insulation behavior.

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Acknowledgements

This work was sponsored by the National Key Research and Development Program of China (2016YFB1200505).

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Authors and Affiliations

  1. State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, 230027, China

    Rongnan Yuan, Yi Zhang, Tingting Qiu & Shouxiang Lu

Authors
  1. Rongnan Yuan
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  2. Yi Zhang
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  3. Tingting Qiu
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  4. Shouxiang Lu
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Contributions

All authors contributed to the study conception and design. Material preparation and data collection were performed by Rongnan Yuan, Yi Zhang and Tingting Qiu. Material analysis was performed by Rongnan Yuan. The first draft of the manuscript was written by Rongnan Yuan and Yi Zhang. All authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Shouxiang Lu.

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Yuan, R., Zhang, Y., Qiu, T. et al. Research on the effect of pyrolysis and melting on thermal insulation of glass fiber at multiple scales. J Therm Anal Calorim 147, 8009–8018 (2022). https://doi.org/10.1007/s10973-021-11068-8

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  • DOI: https://doi.org/10.1007/s10973-021-11068-8

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