以正硅酸四乙酯、3-缩水甘油基氧基丙基三甲氧基硅烷、全氟癸基三乙氧基硅烷、纳米硅溶胶等为原料制备了低表面能的纳米复合涂层,并对涂层的热稳定性和表面性能进行了测试.热重分析结果表明,涂层热稳定性高,其最大热失重温度为522℃;扫描电镜照片显示涂层表面光滑致密,无微孔开裂;涂层具有良好的疏水疏油性,水接触角达111.2°,乙二醇、二甲苯、植物油无法在其表面铺展,涂层的表面能为18.82 mN·m-i;点蚀试验结果显示,浓盐酸24 h未能腐蚀涂层,同时涂层显示出极佳的防涂鸦耐沾污性.
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