季铵盐有机化改性伊蒙混层黏土的悬浮性能
Suspension Properties of Organified Illite / Smectite Mixed-layer Clay with Quaternary Ammonium Salt
查看参考文献17篇
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文摘
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利用十六烷基三甲基溴化铵(CTAB)和十八烷基三甲基溴化铵(STAB)对伊蒙混层黏土进行改性,考察了改性前后在水、甲醇和乙醇中的悬浮性能。红外光谱(FTIR)、X-射线衍射(XRD)、热重分析(TGA)和Zeta电位分析以及悬浮性能测试结果表明,有机化改性有利于伊蒙混层黏土在有机相中分散,提高其悬浮稳定性。CTAB或STAB的加入量为0.25CEC时,伊蒙混层黏土在甲醇和乙醇中表现出较优的悬浮稳定性,且经STAB改性的伊蒙混层黏土在有机相中的悬浮稳定性更优。 |
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其他语种文摘
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Illite / smectite mixed-layer clay (I/S) was treated with cetyl trimethyl ammonium bromide (CTAB) and stearyl trimethyl ammoium bromide (STAB),the suspension stability of I/S and organo-I/S were investigated in water,methanol and ethanol. The results from the Fourier transform infrared spectroscopy (FTIR),X-ray diffraction (XRD),Thermogravimetric analysis (TGA) and Zeta potentials as well as the measurements of suspension properties indicate that organification is beneficial to improve its dispersion and suspension properties of I/S in the organic phase. When the addition of CTAB and STAB is 0. 25 CEC,organic I/S exhibites better suspension stability,and STAB modified I/S shows the best suspension stability in the organic phase. |
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来源
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硅酸盐通报
,2014,33(12):3118-3123,3128 【核心库】
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关键词
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伊蒙混层黏土
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悬浮稳定性
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水
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甲醇
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乙醇
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地址
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中国科学院兰州化学物理研究所, 兰州, 730000
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-1625 |
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学科
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化学工业 |
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基金
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江苏省科技支撑项目
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文献收藏号
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CSCD:5322178
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