工艺技术

纳米SiO2改性耐磨超疏水涂层制备与性能调控

  • 冯子健 ,
  • 李 宇 ,
  • 李洪旭 ,
  • 辛 颉 ,
  • 刘明光
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  • 1. 海军工程大学基础部,武汉430074;

    2. 海军勤务学院,天津300450

冯子健(1992—),男,博士,讲师,主要研究材料表面工程。

收稿日期: 2026-03-04

  修回日期: 2026-05-05

  录用日期: 2026-05-06

  网络出版日期: 2025-11-19

Synthesis and property regulation of nano-SiO2 modified wearresistant superhydrophobic coating

  • Feng Zijian ,
  • Li Yu ,
  • Li Hongxu ,
  • Xin Jie ,
  • Liu Mingguang
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  • 1. Naval University of Engineering,Department of Basic Courses,Wuhan 430074,China;
    2. Naval Logistics Academy,Tianjin 300450,China

Received date: 2026-03-04

  Revised date: 2026-05-05

  Accepted date: 2026-05-06

  Online published: 2025-11-19

摘要

【目的】利用结构协同效应设计有机 -无机杂化涂层体系,进一步研究改性 SiO2添加量对“高附着力-大粗糙度 -低表面能”复合涂层疏水性和耐磨性的影响。【方法】以全氟辛基三氯硅烷( FOTS)、正硅酸四乙酯(TEOS)、 3-缩水甘油基氧基丙基三甲氧基硅烷(KH-560)为原料,构建有机 -无机杂化涂层体系,并添加 KH-560改性的 SiO2颗粒以提升纳米颗粒在涂层中的分散性,采用喷涂法制备耐磨超疏水涂层。通过红外光谱仪、扫描电镜、接触角与耐磨性测试对涂层结构与性能进行分析。【结果】当改性 SiO2添加量为 100 mg时,复合涂层水接触角达 151. 0°,达到超疏水标准;经 40次摩擦周期后保持 117. 7°,耐磨性与疏水性优异。【结论】通过 FOTS和 TEOS共水解可以降低涂层表面能,构建微纳粗糙结构,提高疏水性;加入偶联剂 KH-560及其改性的纳米 SiO2能够改善有机相与无机相的界面结合,进一步提高表面粗糙度,增加涂层与基体附着力,提升疏水性和耐磨性。

本文引用格式

冯子健 , 李 宇 , 李洪旭 , 辛 颉 , 刘明光 . 纳米SiO2改性耐磨超疏水涂层制备与性能调控[J]. 涂料工业, 2026 , 56(9) : 55 -60 . DOI: 10.12020/j.issn.0253-4312.2025-265

Abstract

[Objective] This study utilizes structural synergistic effect to design an organic-inorganic hybrid coating system,investigating the effects of modified SiO2 dosage on the hydrophobicity and wear resistance of the composite coating featuring high adhesion,high roughness,and low surface energy.[Methods]Using perfluorooctyltrichlorosilane(FOTS), tetraethyl orthosilicate(TEOS)and 3-glycidyl oxypropyltrimethoxysilane(KH-560)as raw materials,an integrated organic-inorganic hybridcoating system was constructed through structural synergistic design. Modified SiO2 particles with KH-560 were added to enhance the dispersion of nanoparticles in the coating. The wear-resistant superhydrophobic coating was prepared via spray deposition. Performance characterization was conducted using infrared spectroscopy,scanning electron microscopy,contact angle measurements and wear resistance tests.[Results] When 100 mg of modified SiO2 was added,the composite coating achieved a water contact angle of 151. 0°,meeting superhydrophobic standards. After 40 friction cycles, the contact angle remained at 117. 7°,demonstrating excellent wear resistance and hydrophobic performance.[Conclusion]The co-hydrolysis of FOTS and TEOS can reduce the surface energy of the coating,build rough micro-nano structures,and enhance hydrophobicity. The addition of couplingagent KH-560 and KH-560-modified nano-SiO2 can improve the interfacial bonding between organicand inorganic phases. It further increases the surface roughness,and enhances the adhesion between coating and substrate,as well as hydrophobicity and wear resistance. 
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