The Preparation of MgO Nanoparticles Protected by Polymer
The Preparation of MgO Nanoparticles Protected by Polymer
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DOI：
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发表时间：
2001
影响因子：
0.7
通讯作者：
Jiu Jin
中科院分区：
文献类型：
--
作者：
Jiu Jin
本文利用高分子表面保护的化学沉淀方法成功地制备了粒径分布均匀的类球型纳米MgO.采用IR、TEM、TG-DTA、XRD等物理测试手段对产物的结构、晶型和表面状态进行了表征。红外光谱分析表明，PVA与前驱体之间存在较强的相互作用，TEM和XRD分析表明，产物为类球形和立方MgO。在聚乙烯醇（PVA）中，平均粒径仅为15 μ m，而在聚乙二醇（PEG）中，平均粒径为23 μ m，这可能与聚合物分子结构有关。结果表明，聚合物可以对纳米粒子的形貌和尺寸进行调控和修饰。
The MgO nanoparticles with narrow size distribution has been successfully prepared using chemical precipitation, in which the polymer is surface protection agent of particle. The structure, crystal type and surface state were characterized by means of physical techniques, including IR, TEM, TG-DTA and XRD measurement. The IR data revealed that intensive interaction exist between PVA and precursor, and the microstructure measured by TEM and XRD is spherical-like shape and cubic MgO. The average size is only 15urn in polyvinyl alcohol (PVA) comparing with 23urn in polyethylene glycol (PEG), The different size may be related to the molecular structure of polymer. The results showed that the shapes and sizes of nanoparticles could be controlled and modified by polymer.