张腾龙,庞艺川,冯杰

• 1:浙江工业大学材料科学与工程学院

摘要(Abstract)：

以Na2CO3和Ca(NO3)2为反应物,聚苯乙烯磺酸钠(PSS)为表面活性剂,在室温水溶液中制备了多孔碳酸钙微粒。用FE-SEM对其微观形貌进行观察,发现通过改变PSS用量以及反应物浓度,可以控制微粒的粒径及形貌。在PSS用量为0.5 g?L?1、反应物浓度为0.025 mol?L?1时,合成的Ca CO3为多孔微球,且粒径均一,约为1.2μm。相应的XRD和BET测试显示,多孔Ca CO3微球为球霰石和方解石型的混合晶体。多孔Ca CO3微球表面的纳米孔孔径随反应物浓度增加而减小,比表面积则随之增大。

关键词(KeyWords)： 多孔碳酸钙;制备;微球;形貌控制

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51172206)

作者(Author): 张腾龙,庞艺川,冯杰

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