以钛酸丁酯为原料,利用溶胶-回流法在微米碳化硅粉体表面制备了纳米级TiO2颗粒.通过扫描电镜、X射线衍射、X光电子能谱仪等检测手段对复合颗粒的表面形貌、包覆层相组成等进行了表征.结果表明,表面纳米化修饰后粉体表面的粗糙度显著增加.将经表面纳米化修饰后的微粉应用于以有机硅改性环氧树脂为基体的耐磨涂料中,较未经表面纳米化修饰的SiC粉体填料,耐磨涂料的磨损失重减少了43%.
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