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<p>Epoxy resin coatings are crucial for metal corrosion protection but are limited by micro-defects formed during curing, which accelerate failure in harsh environments. Incorporating nanofillers presents a transformative solution, enhancing coatings through multiple mechanisms: extending corrosive media pathways, improving density, and enabling active functions like inhibitor release. This review systematically examines these mechanisms, focusing on key materials-graphene, hexagonal boron nitride, MXenes, layered double hydroxides, carbon nanotubes, and nano-oxides-their modification strategies, and roles within epoxy systems. It further analyzes the critical impact of interfacial engineering and dispersion stability on performance, summarizes advanced characterization methodologies, and outlines future directions toward multi-scale design, smart responsive systems, waterborne formulations, and sustainable development for next-generation high-performance coatings.</p> Graphical abstract <p></p>

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Review: Research progress on nano-filler modified epoxy anti-corrosion coatings

  • 期刊论文

  • 发表日期：

    2026年4月3日

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  • Binghua Hou,
  • Tianyu Lan,
  • Liwu Zu,
  • Shaobo Dong,
  • Shengnan Liu,
  • Xiaochen Bao,
  • Jinying Yan,
  • Jifa Liu,
  • Ping Zhang,
  • Jiaxing Xie

摘要

Epoxy resin coatings are crucial for metal corrosion protection but are limited by micro-defects formed during curing, which accelerate failure in harsh environments. Incorporating nanofillers presents a transformative solution, enhancing coatings through multiple mechanisms: extending corrosive media pathways, improving density, and enabling active functions like inhibitor release. This review systematically examines these mechanisms, focusing on key materials-graphene, hexagonal boron nitride, MXenes, layered double hydroxides, carbon nanotubes, and nano-oxides-their modification strategies, and roles within epoxy systems. It further analyzes the critical impact of interfacial engineering and dispersion stability on performance, summarizes advanced characterization methodologies, and outlines future directions toward multi-scale design, smart responsive systems, waterborne formulations, and sustainable development for next-generation high-performance coatings.

Graphical abstract