Development of Epoxy Modified SiO2 Hydrophobic Coating with Enhanced Self-Cleaning Properties

IF 0.7 4区材料科学 Q4 MATERIALS SCIENCE, CERAMICS

Glass Physics and Chemistry Pub Date : 2026-02-24 DOI:10.1134/S1087659625600322

Kong Que, Li Jiefang, Li Zhiguang

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Abstract

Hydrophobic materials are ubiquitous in our daily lives due to their water-repellent properties. However, the preparation of many hydrophobic materials involves complex, time-consuming, and environmentally harmful processes. These challenges significantly limit their practical applications. In this paper, epoxy resin was crosslinked with triethylene tetramine to form a gel with a three-dimensional network structure. The gel was modified with fumed silica to create a micro/nano rough structure on the surface. Specialty silicone resin (ST-401) was applied to enhance the environmental stability of the coating. The coating structure, elemental composition, and surface morphology were analyzed and characterized. The hydrophobicity, transparency, self-cleaning, and durability of the coating were tested. The results showed that the epoxy modified SiO₂ coating had good hydrophobicity and transparency, as well as excellent self-cleaning performance, water shock resistance and acid resistance. However, its alkali resistance remains a challenge.

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增强自清洁性能的环氧改性SiO2疏水涂料的研制

疏水材料由于其防水性能在我们的日常生活中无处不在。然而，许多疏水材料的制备过程复杂、耗时且对环境有害。这些挑战极大地限制了它们的实际应用。本文将环氧树脂与三乙烯四胺交联，形成具有三维网状结构的凝胶。用气相二氧化硅修饰凝胶，在表面形成微/纳米粗糙结构。采用特种硅树脂（ST-401）增强涂层的环境稳定性。对涂层的结构、元素组成和表面形貌进行了分析和表征。测试了涂层的疏水性、透明度、自洁性和耐久性。结果表明，环氧改性SiO2涂料具有良好的疏水性和透明度，同时具有优异的自清洁性能、耐水冲击性能和耐酸性。然而，它的耐碱性仍然是一个挑战。

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来源期刊

Glass Physics and Chemistry 工程技术-材料科学：硅酸盐

CiteScore

1.20

自引率

14.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Glass Physics and Chemistry presents results of research on the inorganic and physical chemistry of glass, ceramics, nanoparticles, nanocomposites, and high-temperature oxides and coatings. The journal welcomes manuscripts from all countries in the English or Russian language.