| Mg-Al-CO3水分散液的稳定性及流变性 |
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| 引用本文： | 李蕾,孙鹏,段雪. Mg-Al-CO3水分散液的稳定性及流变性[J]. 应用化学, 2001, 18(6): 0-0 |
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| 作者姓名： | 李蕾 孙鹏 段雪 |
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| 作者单位： | 北京化工大学可控化学反应科学与技术基础教育部重点实验室北京 100029 |
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| 基金项目： | 国家自然科学基金资助课题 (2 0 0 760 0 3 ) |
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| 摘 要： | 水滑石;水分散体系;层状结构;Mg-Al-CO3水分散液的稳定性及流变性
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| 关 键 词： | 水滑石 水分散体系 层状结构 Mg-Al-CO3水分散液的稳定性及流变性 |
| 收稿时间： | 2009-06-29 |
| 修稿时间： | 2009-06-29 |
Stability and Rheological Property of Mg-Al-CO_3 Dispersions |
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| LI Lei,SUN Peng,DUAN Xue. Stability and Rheological Property of Mg-Al-CO_3 Dispersions[J]. Chinese Journal of Applied Chemistry, 2001, 18(6): 0-0 |
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| Authors: | LI Lei SUN Peng DUAN Xue |
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| Affiliation: | LI Lei,SUN Peng,DUAN Xue~* |
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| Abstract: | The stability and rheological property of the aqueous nanosized Mg-Al-CO_3 LDH(n(Mg)/n(Al)=3) dispersions have been studied. It is found that the stability of the dispersions containing nano Mg-Al-CO_3 LDH depends on both the solid content and the structure of the LDH and the stable aqueous LDH dispersion can be obtained without use of any dispersants. The rheological property of the aqueous LDH is in close relation with the layered structrue of the LDH. The shear-thinning of aqueous LDH dispersions is reversible and depends on the shearing time. The XRD analysis and SEM, TEM observations showed the existence of rod-shaped aggregates in the stable aqueous LDH dispersions. |
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| Keywords: | Mg-Al-CO_3 hydrotalcite aqueous dispersion layered structure rheological property stability |
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