六方氮化硼负载纳米氧化铝复合填料的制备及改性环氧涂层的防腐性能研究

doi:10.11896/cldb.22110089

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Abstract A novel PDA-BN@f-Al₂O₃ nanohybrid was synthesized by depositing Al₂O₃ nanoparticles modified with γ-aminopropyl triethoxysilane (KH550) on the surface of hexagonal boron nitride (h-BN) sheets covered by polydopamine (PDA). Then the PDA-BN@f-Al₂O₃ hybrids was dispersed in epoxy resin to prepare composite coating samples. Various characterizations revealed that PDA-BN@f-Al₂O₃ hybrids showed good dispersibility in the epoxy resin, and had a corrosion inhibitive performance. The epoxy coating added with 1wt% PDA-BN@f-Al₂O₃ hybrids exhibited satisfactory performances of medium blocking and long-term corrosion resistance, as it achieved an impedance modulus in low frequency region (|Z|_{0.01 Hz}) three-order-magnitude higher than that of the pure epoxy coating and an improvement in flexibility.

Key words： h-BN nano-Al₂O₃ composite epoxy resin corrosion resistance

Published: 25 October 2024 Online: 2024-11-05

CLC number:

TQ638

Fund:Ningdong Base Science and Technology Innovation Development Special Project (2019NDKJLX0008) and the High Technology Research and Development Program of Hunan Province of China (2022GK4038).

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	Articles by authors
	YAN Shujun
	TAN Yali
	PANG Zhongrong
	WAN Pengying
	QI Fugang

Cite this article:

YAN Shujun,TAN Yali,PANG Zhongrong, et al. Preparation of Hexagonal Boron Nitride Loaded Nano-alumina Composite Fillers and the Utility in Modifying Epoxy Corrosion Inhibition Coatings[J]. Materials Reports, 2024, 38(20): 22110089-6.

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http://www.mater-rep.com/EN/10.11896/cldb.22110089 OR http://www.mater-rep.com/EN/Y2024/V38/I20/22110089

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