Functionalized Basalt Scales by Green Method for Higher Performance of Anticorrosion Coatings

IF 2.9 2区材料科学 Q2 METALLURGY & METALLURGICAL ENGINEERING

Acta Metallurgica Sinica-English Letters Pub Date : 2024-08-22 DOI:10.1007/s40195-024-01747-4

Yichao Guo, Tianyue Jia, Jingsha Tan, Bo Zhang, Honglei Guo, Zhiyuan Feng, Bing Lei, Ping Zhang, Guozhe Meng

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Abstract

In this study, basalt scales were activated by air plasma and were subsequently deposited with cerium dioxide nanoparticles to obtain CeO₂-modified basalts (CB). Inspired by mussel biomimetics, polydopamine (PDA) and 3-glycidoxypropyltrimethoxysilane were further employed to modify the properties of CB to obtain functionalized basalt scales (CBD). This treatment greatly increased the interfacial compatibility between inorganic fillers and epoxy resin. At the same time, PDA can form chelates with iron ions in the anodic area to prevent further corrosion. Tensile, water absorption, and electrochemical impedance spectrum measurements showed that incorporating CBD into epoxy resins resulted in the composite coatings with higher mechanical properties, water penetration resistance, corrosion resistance, and lower wetting properties.

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用绿色方法使玄武岩鳞片功能化，从而提高防腐涂料的性能

在这项研究中，玄武岩鳞片经空气等离子体活化，随后沉积二氧化铈纳米颗粒，得到二氧化铈改性玄武岩（CB）。受贻贝生物仿生学的启发，研究人员进一步采用聚多巴胺（PDA）和 3-缩水甘油氧丙基三甲氧基硅烷来改变玄武岩鳞片的性质，从而获得功能化玄武岩鳞片（CBD）。这种处理方法大大提高了无机填料与环氧树脂之间的界面相容性。同时，PDA 能与阳极区的铁离子形成螯合物，防止进一步腐蚀。拉伸、吸水和电化学阻抗谱测量结果表明，在环氧树脂中加入 CBD 可使复合涂层具有更高的机械性能、耐水渗透性、耐腐蚀性和较低的润湿性。

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来源期刊

Acta Metallurgica Sinica-English Letters METALLURGY & METALLURGICAL ENGINEERING-

CiteScore

6.60

自引率

14.30%

发文量

122

审稿时长

2 months

期刊介绍： This international journal presents compact reports of significant, original and timely research reflecting progress in metallurgy, materials science and engineering, including materials physics, physical metallurgy, and process metallurgy.