将纳米TiO2和微米ZnO机械搅拌,制备了纳米TiO2/ZnO复合粒子.通过硬脂酸对其改性,于200℃下烘烤15 min,在钢试片上得到纳米TiO2/ZnO复合超疏水涂层.采用扫描电镜、红外光谱和接触角分析仪对涂层表面的形貌和疏水性进行了表征.结果表明,复合粒子经硬脂酸表面改性后引入了疏水性的甲基,形成微/纳米双重粗糙结构.当硬脂酸含量为9％时,所得涂层表面与水的静态接触角为165.3,滚动角4°.该涂层具有优异的耐溶解性、耐温性及自清洁性.
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