Preparation of novel silica mannich base nanoparticles and corrosion inhibition properties on N80 steel under high acidic conditions

IF 6.9 2区材料科学 Q2 CHEMISTRY, PHYSICAL Applied Surface Science Pub Date : 2025-02-18 DOI:10.1016/j.apsusc.2025.162715

Chaocheng Ma , Zhengfeng Xie , Junming Miao , Wei Shi , Songsong Xue

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Abstract

A novel organic nano-silicon material (NPs-SM) was synthesized by Mannich reaction using acetophenone, formaldehyde and amino silicon nanoparticles (Si NPs), which was prepared by KH550 and ascorbic acid through a simple one-step procedure. NPs-SM was characterized by FT-IR, XPS, SEM-EDS and TEM and studied of its slow-release performance. The inhibition efficiency was investigated with electrochemical impedance spectroscopy, potentiodynamic measurements, and mass loss analysis, respectively. Additionally, SEM, XPS, AFM and CA analyses were carried out to study the relationship between structural details and surficial performance of the protective layer formed on the steel. Intriguingly, the corrosion inhibition efficiency of NPs-SM significantly increases with increasing temperature in strong acid environments, reaching 94.94 %. This precisely matches the characteristics required for high-temperature and high acid corrosion inhibitors, this study is expected to provide new ideas for corrosion research under special conditions.

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新型二氧化硅曼尼希碱纳米颗粒的制备及其在高酸性条件下对N80钢的缓蚀性能

以苯乙酮、甲醛和氨基硅纳米颗粒（Si NPs）为原料，以KH550和抗坏血酸为原料，通过Mannich反应合成了一种新型有机纳米硅材料（NPs- sm）。采用FT-IR、XPS、SEM-EDS和TEM对NPs-SM进行了表征，并对其缓释性能进行了研究。分别用电化学阻抗谱、动电位测量和质量损失分析对其缓蚀效果进行了研究。此外，通过SEM、XPS、AFM和CA分析，研究了钢表面保护层的结构细节与表面性能的关系。耐看的是，NPs-SM在强酸环境中的缓蚀效率随着温度的升高而显著提高，达到94.94 %。这正好符合高温高酸性缓蚀剂的特性要求，本研究有望为特殊条件下的腐蚀研究提供新的思路。

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来源期刊

Applied Surface Science 工程技术-材料科学：膜

CiteScore

12.50

自引率

7.50%

发文量

3393

审稿时长

67 days

期刊介绍： Applied Surface Science covers topics contributing to a better understanding of surfaces, interfaces, nanostructures and their applications. The journal is concerned with scientific research on the atomic and molecular level of material properties determined with specific surface analytical techniques and/or computational methods, as well as the processing of such structures.