| 纳米碳酸钙合成-改性一体化工艺研究 |
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| 引用本文： | 孙红娟,彭同江,马国华,段涛.纳米碳酸钙合成-改性一体化工艺研究[J].非金属矿,2007,30(3):12-14. |
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| 作者姓名： | 孙红娟 彭同江 马国华 段涛 |
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| 作者单位： | 1. 西南科技大学矿物材料及应用研究所,四川绵阳,621010;四川大学材料科学与工程学院,四川成都,610065
2. 西南科技大学矿物材料及应用研究所,四川绵阳,621010 |
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| 基金项目： | 西南科技大学引进人才科学研究基金项目（2004001053） |
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| 摘 要： | 利用连续鼓泡法在Ca（OH）2-CO2体系中合成了粒径为50～80nm的粒状、方解石型纳米碳酸钙粉体，合成过程中用硬脂酸钠及硬脂酸对纳米碳酸钙进行表面改性处理，实现了合成和表面改性一体化工艺。对合成的纳米碳酸钙改性粉体进行了活化度和吸油率的测定。结果表明．用硬脂酸钠改性的纳米碳酸钙比用硬脂酸改性的分散性、亲油性更好。
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| 关 键 词： | 纳米碳酸钙 合成-改性一体化 吸油率 活化度 |
| 修稿时间： | 2007-01-31 |
Study on Synthesis & Modification Integrative Processing of Nano-Calcium Carbonate |
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| Sun Hongjuan,Peng Tongjiang,Ma Guohua,Duan Tao.Study on Synthesis & Modification Integrative Processing of Nano-Calcium Carbonate[J].Non-metallic Mines,2007,30(3):12-14. |
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| Authors: | Sun Hongjuan Peng Tongjiang Ma Guohua Duan Tao |
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| Abstract: | The calcite type nano-calcium carbonate was synthesized with the particle diameter 50 to 80nm in Ca(OH)2-CO2 system by bubble method. The nano-calcium carbonate was modifi ed with sodium stearate and stearic acid during the process of synthesis, which carried out integrative processing of synthesis & modif ication. The activation grade and the rate of oil absorbency of the samples were determined. The results showed that the dispersive property and consistency with organic material of the nano-calcium carbonate by using sodium stearate are better than using stearic acid. |
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| Keywords: | nano-calcium carbonate synthesis & modifi cation integrative processing rate of oil absorbency activation grade |
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