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A rare-earth-based nano-flame retardant with 2D MXene for improving fire safety and mechanical property of thermoplastic polyurethane composites.

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Title: A rare-earth-based nano-flame retardant with 2D MXene for improving fire safety and mechanical property of thermoplastic polyurethane composites.
Authors: Ruofan He1, Zhenting Yin1, Xiaoli Yu2, Pengfei Jia1, Xiaodong Zhou2, Tingting Lu2, Liying Guo2, Lei Song1, Chao Ma3, Bibo Wang1 wbibo@ustc.edu.cn, Yuan Hu1
Source: Polymers for Advanced Technologies. Apr2024, Vol. 35 Issue 4, p1-13. 13p.
Subjects: Fire prevention, Thermoplastic composites, Heat release rates, Fireproofing, Char, Rare earth oxides, Enthalpy
Abstract: A kind of rare earth flame retardant, two-dimensional lamellar compounds (MXene) loading with cerium phosphate nanorod, MXene@CePO4 (CMX) was prepared by hydrothermal and electrostatic adsorption methods. It was then applied in thermoplastic polyurethane (TPU). With the 3 wt% addition of CMX improving the mass rate of residual char from 4.42 wt% to 11.33 wt% compared to pristine TPU, there were reductions of 53.8%, 12.3%, and 24.7% in peak heat release rate (pHRR), total heat release (THR), and smoke density maximum (Ds max), respectively. Moreover, the TPU/CMX composites were shown to have superior mechanical properties compared with pristine TPU. For TPU/CMX-3.0, there was a visible improvement in tensile strength (TS) and elongation at break (EB) of 12.5% and 54.1% respectively, compared to pure TPU. The analysis of the flame retardancy mechanism of TPU/CMX shows that CMX plays an effective role in quenching free radicals in the gas phase and promotes char formation of TPU in the condense phase. Therefore, this paper offers a new solution for designing multifunctional rare earth flame retardants that are applied in TPU, thereby extending its application in industries and daily life. [ABSTRACT FROM AUTHOR]
Copyright of Polymers for Advanced Technologies is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: A rare-earth-based nano-flame retardant with 2D MXene for improving fire safety and mechanical property of thermoplastic polyurethane composites.
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  Data: <searchLink fieldCode="AR" term="%22Ruofan+He%22">Ruofan He</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhenting+Yin%22">Zhenting Yin</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Xiaoli+Yu%22">Xiaoli Yu</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Pengfei+Jia%22">Pengfei Jia</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Xiaodong+Zhou%22">Xiaodong Zhou</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Tingting+Lu%22">Tingting Lu</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Liying+Guo%22">Liying Guo</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Lei+Song%22">Lei Song</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Chao+Ma%22">Chao Ma</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Bibo+Wang%22">Bibo Wang</searchLink><relatesTo>1</relatesTo><i> wbibo@ustc.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yuan+Hu%22">Yuan Hu</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Polymers+for+Advanced+Technologies%22">Polymers for Advanced Technologies</searchLink>. Apr2024, Vol. 35 Issue 4, p1-13. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Fire+prevention%22">Fire prevention</searchLink><br /><searchLink fieldCode="DE" term="%22Thermoplastic+composites%22">Thermoplastic composites</searchLink><br /><searchLink fieldCode="DE" term="%22Heat+release+rates%22">Heat release rates</searchLink><br /><searchLink fieldCode="DE" term="%22Fireproofing%22">Fireproofing</searchLink><br /><searchLink fieldCode="DE" term="%22Char%22">Char</searchLink><br /><searchLink fieldCode="DE" term="%22Rare+earth+oxides%22">Rare earth oxides</searchLink><br /><searchLink fieldCode="DE" term="%22Enthalpy%22">Enthalpy</searchLink>
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  Data: A kind of rare earth flame retardant, two-dimensional lamellar compounds (MXene) loading with cerium phosphate nanorod, MXene@CePO4 (CMX) was prepared by hydrothermal and electrostatic adsorption methods. It was then applied in thermoplastic polyurethane (TPU). With the 3 wt% addition of CMX improving the mass rate of residual char from 4.42 wt% to 11.33 wt% compared to pristine TPU, there were reductions of 53.8%, 12.3%, and 24.7% in peak heat release rate (pHRR), total heat release (THR), and smoke density maximum (Ds max), respectively. Moreover, the TPU/CMX composites were shown to have superior mechanical properties compared with pristine TPU. For TPU/CMX-3.0, there was a visible improvement in tensile strength (TS) and elongation at break (EB) of 12.5% and 54.1% respectively, compared to pure TPU. The analysis of the flame retardancy mechanism of TPU/CMX shows that CMX plays an effective role in quenching free radicals in the gas phase and promotes char formation of TPU in the condense phase. Therefore, this paper offers a new solution for designing multifunctional rare earth flame retardants that are applied in TPU, thereby extending its application in industries and daily life. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Polymers for Advanced Technologies is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/pat.6364
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      – Code: eng
        Text: English
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        PageCount: 13
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      – SubjectFull: Fire prevention
        Type: general
      – SubjectFull: Thermoplastic composites
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      – SubjectFull: Heat release rates
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      – SubjectFull: Fireproofing
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      – SubjectFull: Char
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      – SubjectFull: Rare earth oxides
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      – SubjectFull: Enthalpy
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              Text: Apr2024
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