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<p>A novel synergistic structure (GNS-LDH) was synthesized by modifying graphene with Ni/Fe layered double hydroxide hybrids <i>via</i> hydrothermal method, which have successfully constructed high-performance acrylonitrile butadiene styrene (ABS) nanocomposites in terms of strength, toughness, and smoke toxicity safety through solution blending technology. The composites exhibited excellent mechanical properties, with a tensile strength of 46.23 MPa, elongation at break of 5.78%, and flexural strength of 53.16 MPa. In terms of flame retardancy, the heat release rate of the composites was reduced by 33.2% and the total heat release was reduced by 12.3% with the addition of 2.0 wt% GNS-LDH. Moreover, the generation of toxic gases, such as CO, CO<sub>2</sub> and HCN, during the combustion process was effectively suppressed, and the smoke generation rate was significantly reduced. The comprehensive performance of this ABS nanocomposite based on GNS-LDH in terms of enhancement and toughening, flame retardancy, smoke suppression, and reduction in toxicity has surpassed that of many similar materials reported in the current literature, which provides a new way of thinking for the design and development of high-performance protective materials.</p>

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Effect of Graphene/Nickel-iron Layered Double Hydroxide Hybrids on the Thermal Decomposition and Flame Retardancy of Acrylonitrile-butadiene-styrene Copolymer Composites

  • 期刊论文

  • 发表日期：

    2026年7月24日

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  • Ning-Ning Hong,
  • Jing-Ping Liu,
  • Xin Wang

摘要

A novel synergistic structure (GNS-LDH) was synthesized by modifying graphene with Ni/Fe layered double hydroxide hybrids via hydrothermal method, which have successfully constructed high-performance acrylonitrile butadiene styrene (ABS) nanocomposites in terms of strength, toughness, and smoke toxicity safety through solution blending technology. The composites exhibited excellent mechanical properties, with a tensile strength of 46.23 MPa, elongation at break of 5.78%, and flexural strength of 53.16 MPa. In terms of flame retardancy, the heat release rate of the composites was reduced by 33.2% and the total heat release was reduced by 12.3% with the addition of 2.0 wt% GNS-LDH. Moreover, the generation of toxic gases, such as CO, CO2 and HCN, during the combustion process was effectively suppressed, and the smoke generation rate was significantly reduced. The comprehensive performance of this ABS nanocomposite based on GNS-LDH in terms of enhancement and toughening, flame retardancy, smoke suppression, and reduction in toxicity has surpassed that of many similar materials reported in the current literature, which provides a new way of thinking for the design and development of high-performance protective materials.