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原位氟化二氧化硅纳米颗粒制备超双疏涂层
作者:郭枭健1  颖1 2  璇1 2 
单位:(1. 厦门大学材料学院材料科学与工程系 福建 厦门 361005  2. 福建省特种先进材料重点实验室 厦门大学 福建 厦门 361005) 
关键词:超双疏 共缩聚 原位氟化 耐磨 环保 
分类号:TB381
出版年,卷(期):页码:2020,48(1):0-0
DOI:
摘要:

 通过十七氟癸基三甲氧基硅烷和正硅酸四乙酯的酸性水解及碱性共缩聚反应,对二氧化硅(SiO2)纳米颗粒进行原位氟化改性,利用双面胶在玻璃基材表面快速制备耐磨性良好的超双疏涂层。结果表明:原位氟化改性成功将碳—氟键(C—F)直接引入到SiO2纳米颗粒表面,不仅构建了多级粗糙表面,还降低了表面能。制备的双疏涂层对水、食用油和十六烷的接触角分别为165°、155°和151°,经50圈砂纸摩擦循环测试后,水接触角仍能保持155°以上,油接触角则降至132°。该方法是一种简单、环保的制备方法。

基金项目:
国家自然科学基金资助项目(11372263)。
作者简介:
参考文献:

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