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Hierarchical MoS2/polyaniline binary hybrids with high performance for improving fire safety of epoxy resin.

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Title: Hierarchical MoS2/polyaniline binary hybrids with high performance for improving fire safety of epoxy resin.
Authors: Feng, Xiaming1,2 (AUTHOR), Cai, Wei1 (AUTHOR), Wang, Xin1 (AUTHOR) wxcmx@ustc.edu.cn, Hu, Yuan1,2 (AUTHOR) yuanhu@ustc.edu.cn
Source: Polymers for Advanced Technologies. Jan2022, Vol. 33 Issue 1, p163-172. 10p.
Subjects: Polyanilines, Epoxy resins, Fire prevention, Polymeric nanocomposites, Glass transition temperature, Molybdenum disulfide
Abstract: Here we report a facile strategy to fabricate phosphoric acid doped polyaniline/molybdenum disulfide (PANI/MoS2) hybrids as high‐performance nanofillers in epoxy (EP) resin for the first time. In situ growth of PANI on the surface of two‐dimensional MoS2 template resulted in the uniform dispersion and strong interfacial adhesion of PANI/MoS2 hybrids within EP matrix, which can be confirmed by the obvious increase (13.5°C) in glass transition temperature (Tg) of EP composites. The MoS2 nanosheets also acted as a critical component to generate synergistic effect with PANI on reducing the fire hazards of EP resin. It resulted in a remarkable removal of flammable decomposed products and a considerable reduction of toxic CO yield. The dramatical decreases in real‐time smoke density and total smoke production, and high‐graphitized char layer in condensed phase were obtained for EP composite with 5 wt% PANI/MoS2 hybrids. The multiple synergistic effects (synergistic dispersion and synergistic char formation) are believed to be the primary source for these obvious enhancements of properties of EP composites. This facile strategy may achieve the potential application of functionalized MoS2 in polymeric nanocomposites. [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: Hierarchical MoS<subscript>2</subscript>/polyaniline binary hybrids with high performance for improving fire safety of epoxy resin.
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  Data: <searchLink fieldCode="JN" term="%22Polymers+for+Advanced+Technologies%22">Polymers for Advanced Technologies</searchLink>. Jan2022, Vol. 33 Issue 1, p163-172. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Polyanilines%22">Polyanilines</searchLink><br /><searchLink fieldCode="DE" term="%22Epoxy+resins%22">Epoxy resins</searchLink><br /><searchLink fieldCode="DE" term="%22Fire+prevention%22">Fire prevention</searchLink><br /><searchLink fieldCode="DE" term="%22Polymeric+nanocomposites%22">Polymeric nanocomposites</searchLink><br /><searchLink fieldCode="DE" term="%22Glass+transition+temperature%22">Glass transition temperature</searchLink><br /><searchLink fieldCode="DE" term="%22Molybdenum+disulfide%22">Molybdenum disulfide</searchLink>
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  Label: Abstract
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  Data: Here we report a facile strategy to fabricate phosphoric acid doped polyaniline/molybdenum disulfide (PANI/MoS2) hybrids as high‐performance nanofillers in epoxy (EP) resin for the first time. In situ growth of PANI on the surface of two‐dimensional MoS2 template resulted in the uniform dispersion and strong interfacial adhesion of PANI/MoS2 hybrids within EP matrix, which can be confirmed by the obvious increase (13.5°C) in glass transition temperature (Tg) of EP composites. The MoS2 nanosheets also acted as a critical component to generate synergistic effect with PANI on reducing the fire hazards of EP resin. It resulted in a remarkable removal of flammable decomposed products and a considerable reduction of toxic CO yield. The dramatical decreases in real‐time smoke density and total smoke production, and high‐graphitized char layer in condensed phase were obtained for EP composite with 5 wt% PANI/MoS2 hybrids. The multiple synergistic effects (synergistic dispersion and synergistic char formation) are believed to be the primary source for these obvious enhancements of properties of EP composites. This facile strategy may achieve the potential application of functionalized MoS2 in polymeric nanocomposites. [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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RecordInfo BibRecord:
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        Value: 10.1002/pat.5501
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 163
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      – SubjectFull: Polyanilines
        Type: general
      – SubjectFull: Epoxy resins
        Type: general
      – SubjectFull: Fire prevention
        Type: general
      – SubjectFull: Polymeric nanocomposites
        Type: general
      – SubjectFull: Glass transition temperature
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      – SubjectFull: Molybdenum disulfide
        Type: general
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      – TitleFull: Hierarchical MoS2/polyaniline binary hybrids with high performance for improving fire safety of epoxy resin.
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            NameFull: Feng, Xiaming
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            NameFull: Cai, Wei
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            NameFull: Wang, Xin
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            – D: 01
              M: 01
              Text: Jan2022
              Type: published
              Y: 2022
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