采用液相法结合微波干燥技术,以轻质MgO为原料,聚乙烯醇(PVA)为成膜剂制得乳胶液,在不锈钢基板上成功制备出不同厚度的MgO涂层,并对所制得的MgO涂层采用扫描电镜(SEM)、X射线衍射(XRD)和差热及热重( TG - DTA)等分析测试手段进行了表面形貌、结构和组成等的表征.结果表明:利用微波液相法得到的MgO涂层,MgO颗粒分散均匀(平均粒径400 ～ 500 nm),无其他副产物产生,加入的PVA能够形成凝胶骨架网,不仅具有一定应变能力,在一定程度上防止了涂层裂纹,而且还能有效地控制MgO粒子尺寸防止团聚现象.
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