Journal
CORROSION SCIENCE
Volume 131, Issue -, Pages 187-198Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2017.11.022
Keywords
Organic coating; Hexagonal boron nitride; Poly(2-butylaniline); Corrosion; Synergetic effect
Funding
- National Key Basic Research Program [2014CB643302]
- Strategic Leading Science & Technology Programme [XDA13040600]
- One Hundred Talented People of the Chinese Academy of Sciences [Y60707WR04]
- Key Research Projects of Frontier Science, Chinese Academy of Sciences [QYZDY-SSW-JSC009]
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Hexagonal boron nitride (h-BN), a structural analogue of graphene, is a better alternative for anticorrosive coatings because of its electrical insulation properties. In this work, few-layer h-BN nanosheets are obtained by the exfoliation of stacked h-BN powders with poly(2-butyl aniline) (PBA) and incorporated into epoxy coatings for protecting metallic substrate against corrosion. Results show that as prepared composite coatings exhibit high impedance modulus and low water absorption, suggesting their superior performance of corrosion protection owing to the labyrinth effect of h-BN and passivation effect of PBA on the metal substrates.
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