articlePolymer CompositesJul 28, 2025Closed access

Enhancing the Interfacial Interactions and Thermal Oxidative Mechanical Properties of Aramid Fiber‐Reinforced Epoxy Composites Through Hyperbranched Epoxy‐Grafted Multi‐Walled Carbon Nanotubes

HPHongke PengYZYingqing ZhanZHZhoukun HeFLFan LeiZBZhongxiang Bai

Chengdu University · Southwest Petroleum University · +2 more institutions

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Abstract

ABSTRACT Enhancing the interfacial properties of aramid fiber‐reinforced polymer (AFRP) composites while maintaining thermal stability remains a significant challenge in advanced composite engineering. This study introduces an innovative approach by incorporating carbon nanotubes (CNTs) functionalized with hyperbranched epoxy (HPEP) to construct multi‐level micro/nano interfaces in AFRP composites. The grafting efficiency of HPEP onto CNTs was confirmed to be 14.14%, facilitating superior dispersion and interfacial bonding. Incorporating 2 wt% CNTs‐g‐HPEP into AFRP composites resulted in remarkable increases of 41.3% in flexural strength and 30.9% in interlaminar shear strength. These composites, featuring…

Citation impact

59
total citations
FWCI
32.48
Percentile
100%
References
51
Citations per year

Authors

11

Topics & keywords

Topics
Keywords
  • Materials science
  • Epoxy
  • Composite material
  • Aramid
  • Carbon nanotube
  • Thermal
  • Fiber
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