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首页> 外文期刊>Journal of Applied Polymer Science >Superioranticorrosionperformance ofepoxy-basedcomposites withwell-dispersedmelamine modified graphene oxide
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Superioranticorrosionperformance ofepoxy-basedcomposites withwell-dispersedmelamine modified graphene oxide

机译：基于环氧树脂的高级腐蚀性性能与分散的三聚氰胺改性的石墨烯氧化物

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摘要

In order to improve the dispersion of graphene in epoxy resin, the preparation of melamine modified graphene oxide (M-rGO) is reported. The pi-pi interaction between melamine and graphene oxide (GO) sheet is confirmed via ultraviolet-visible spectroscopy, Raman spectroscopy, and X-ray photoelectron spectroscopy analysis, which endows M-rGO with well dispersion. The dispersion concentration of M-rGO in dimethyl sulfoxide is up to 9 mg/ml, and the stability of which keeps more than 18 months. The anticorrosion performance of M-rGO/epoxy composite coatings was analyzed through electrochemical measurements and salt spray tests, these results indicate that M-rGO has a good barrier effect on corrosive medium and even can replace zinc powder in zinc-rich epoxy. In addition, the reinforced mechanical strength of M-rGO/epoxy composite coatings is proved via mechanical strength tests.
机译：为了改善石墨烯在环氧树脂中的分散性，报道了三聚氰胺改性氧化石墨烯（M-rGO）的制备。通过紫外可见光谱、拉曼光谱和X射线光电子能谱分析证实了三聚氰胺和氧化石墨烯（GO）片之间的pi相互作用，这使M-rGO具有良好的分散性。间rGO在二甲基亚砜中的分散浓度高达9mg/ml，稳定性超过18个月。通过电化学测试和盐雾试验分析了M-rGO/环氧复合涂层的防腐性能，结果表明，M-rGO对腐蚀介质具有良好的阻隔作用，甚至可以替代富锌环氧树脂中的锌粉。此外，通过机械强度试验证明了M-rGO/环氧复合涂层的机械强度增强。

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