摘要：主要介绍了采用氯化钙 -碳酸钠微乳液法合成纳米碳酸钙的工艺条件、方法和影响因素。实验方案中 ,采用能使Ca^{2 +} 和CO₃^{2 -}的传质延缓、容易从水中分离的吐温 80 -(Tween - 80 )为主导的表面活性剂。经过一系列实验对比分析 ,提出了生产纳米级碳酸钙的最佳试验工艺条件。另外 ,对所合成纳米CaCO₃ 进行粉晶衍射仪 (XRD)和透射电镜检测。结果表明 ,氯化钙 -碳酸钠微乳液法制备纳米碳酸钙纯度较高 ,平均粒径为 2 5nm ,具有良好的多孔结构

关键词：纳米碳酸钙;微乳液法;多孔结构

Abstract：T he technical conditions method and effecting factors of synthesizing nanometer calcium carbonate by using the calcium chloride and sodium carbonate as Weenie latex is mainly described．T he Tween－80is used as a surface active agent which can segregate the reactants and restrict the reaction betweenCa^{2 +} and CO₃^{2 -}．After a series of experiments and analysis of results the optimized technical condition for synthesizing nanometer calcium carbonate is determined．T he analysis of the granularity and purity of the nanometer calcium carbonate using electron microscope and XRD powder crystal diffraction shows that the granule diameter of the porous calcium carbonate synthesized is 25nm and Weenie latex method is simple． 

Keywords：nanometer calcium carbonate；Weenie latex；porous structure