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Preparation and effect evaluation of rigid polyurethane flame retardant modified by graphene

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Abstract

In this study, we investigate the impact of Isophorone diisocyanate functionalized graphene oxide (IPDI-GO) on the flame retardancy of rigid polyurethane foam (RPUF). IPDI-GO was synthesized and introduced into the RPUF matrix. The flame retardancy of RPUF was significantly enhanced by the incorporation of IPDI-GO, as evidenced by a reduction in peak heat release rate (PHRR) by 25% and total smoke production (TSP) by 15% in comparison to pure RPUF when IPDI-GO was incorporated at 3 wt%. Scanning electron microscopy (SEM) revealed that IPDI-GO contributed to the formation of a compact, continuous char layer on the RPUF surface. This study underscores the potential of IPDI-GO as a promising flame retardant additive for RPUF.

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Data availability

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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Funding

This work was supported by the Natural Science Foundation of Hunan Province (no. 2023JJ60186) and the Scientific Research Project of the Education Department of Hunan Province (no. 22C0825).

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Authors and Affiliations

  1. School of Railway Transportation, Hunan Technical College of Railway High-Speed, Hengyang, 421002, Hunan, China

    Jianlian Liu, Binghuan Wang, Kui Zi, Jiankui Yu & Peisuo Li

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  1. Jianlian Liu
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  2. Binghuan Wang
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  3. Kui Zi
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  4. Jiankui Yu
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  5. Peisuo Li
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Contributions

Conceptualization, PL and JL; software, JL and BW; validation, JL, BW and KZ; formal analysis, BW and KZ; investigation, JL; resources, PL; data curation, BW and KZ; writing—original draft preparation, JL and JY; writing—review and editing, PL; visualization, JY; supervision, PL; project administration, PL. All authors have read and agreed to the published version of the manuscript.

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Correspondence to Peisuo Li.

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Liu, J., Wang, B., Zi, K. et al. Preparation and effect evaluation of rigid polyurethane flame retardant modified by graphene. Carbon Lett. 33, 2267–2275 (2023). https://doi.org/10.1007/s42823-023-00586-0

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  • DOI: https://doi.org/10.1007/s42823-023-00586-0

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