Coatings embedded with GO/MOFs nanocontainers having both active and passive protecting properties
Coatings embedded with GO/MOFs nanocontainers having both active and passive protecting properties
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嵌入GO/MOFs纳米容器的涂层具有主动和被动保护性能
DOI:
10.1016/j.corsci.2020.108563
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发表时间:
2020-05
影响因子:
8.3
通讯作者:
Hu Ji-Ming
中科院分区:
文献类型:
--
作者:
Zhao Yue;Jiang Fan;Chen Yi-Qing;Hu Ji-Ming
In this work, metal organic frameworks (MOFs) are in situ growing on the graphene oxide (GO) sheets to fabricate GO/MOFs nanocontainers for both active and passive corrosion protection. ZIF-8 and UiO-66 are chosen as two classic examples to synthesize GO/MOFs nanocontainers encapsulating benzotriazole (BTA) embedded in polyvinyl butyral (PVB) resin. The composite coatings are successfully utilized in protecting pure copper and archaized bronze, exhibiting both active and passive protecting properties. The passive protection capability is ensured by good barrier performance of GO, and the active prevention property is provided by the pH-stimulated release of embedded inhibitors from the composite nanocontainers.
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