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首页> 外文期刊>Surface & Coatings Technology >Synthesis, characterization and protective functioning of surface decorated Zn-Al layered double hydroxide with SiO2 nano-particles
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Synthesis, characterization and protective functioning of surface decorated Zn-Al layered double hydroxide with SiO2 nano-particles

机译：用SiO2纳米粒子的表面装饰Zn-Al层双氢氧化物的合成，表征和保护功能

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In this paper, Zn-Al layered double hydroxide particles surface were decorated with SiO2 nanoparticles to investigate the influence of SiO2 nanoparticles presence on molybdate anion loading and release behavior as a corrosion inhibitor. For this purpose, we have synthesis a carbonate-based layered double hydroxide (LDH). Nano SiO2 particles were used to decorate the surface of carbonate-based LDH nano-plates. Molybdate was then intercalated into LDH interlayer space through an ion exchange process. Characterization of the synthesized nano-plates was done by XRD, FTIR, FE-SEM, and ICP tests. The decorated nano-plates were employed in silane coating to investigate and compare their corrosion protective properties using EIS and polarization tests. The results illustrated that the protective functioning enhanced after SiO2 decoration. Moreover, molybdate loaded in SiO2 decorated LDH had a better protective functioning, and provided more extended protection due to its higher loading, and controlled release of molybdate anions.
机译：本文用SiO2纳米颗粒装饰Zn-Al层叠双氢氧化物颗粒，以研究SiO2纳米颗粒存在对钼酸盐阴离子加载和释放行为的影响作为腐蚀抑制剂。为此目的，我们合成碳酸盐基层双氢氧化物（LDH）。纳米SiO 2颗粒用于装饰基于碳酸盐的LDH纳米板的表面。然后通过离子交换过程将钼酸盐插入LDH层间空间。合成纳米板的表征通过XRD，FTIR，Fe-SEM和ICP测试完成。装饰纳米板用于硅烷涂层，以使用EIS和偏振试验来研究和比较它们的腐蚀保护性能。结果表明，SiO2装饰后的保护功能增强。此外，装有SiO 2装饰LDH的钼酸盐具有更好的保护性功能，并且由于其较高的负载而提供更长时间的保护，并控制钼酸盐阴离子的控制释放。

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