| 聚丙烯酸铵对纳米SiO2悬浮液性能的影响 |
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| 引用本文： | 贾晓林,钟香崇.聚丙烯酸铵对纳米SiO2悬浮液性能的影响[J].非金属矿,2004,27(5):1-2,8. |
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| 作者姓名： | 贾晓林 钟香崇 |
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| 作者单位： | 1. 北京科技大学材料工程学院;郑州大学高温功能材料河南省重点实验室,郑州,450052
2. 郑州大学高温功能材料河南省重点实验室,郑州,450052 |
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| 基金项目： | 河南省教育厅“自然科学基金”项目资助 (资助号 2 0 0 3 43 0 2 0 8) |
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| 摘 要： | 研究了聚丙烯酸铵(NH4PAA)对纳米SiO2粉体表面电动特性及其悬浮液稳定性的影响。结果表明。NH4PAA在SiO2表面吸附．提高了颗粒间的排斥势能，改善了悬浮液的稳定性。在pH为8、NH4PAA的加入量为0．9％时，纳米SiO2颗粒表面吸附达到饱和。
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| 关 键 词： | 聚丙烯酸铵 纳米 NH4PAA SiO2悬浮液 吸附 |
Effect of NH4PAA on Properties of Nano-SiO2 Suspending Liquid |
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| Jia Xiaolin,Zhong Xiangchong.Effect of NH4PAA on Properties of Nano-SiO2 Suspending Liquid[J].Non-metallic Mines,2004,27(5):1-2,8. |
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| Authors: | Jia Xiaolin Zhong Xiangchong |
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| Affiliation: | Jia Xiaolin Zhong Xiangchong |
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| Abstract: | The effects of ammonium salt of polyacrylic acid(NH 4PAA) on the surface properties of nanosized silica and stability of nanosized silica suspension have been investigated. The results show that chemical absorption on the surface of nanosized silica would increase the repulsive energy of particles and thus improved the stability of suspension.The surface of nanosized silica powder may be attained with saturated absorption when pH value is 8 and NH 4PAA addition is 0.9%. |
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| Keywords: | nano-size SiO 2 aqueous suspension NH 4PAA adsorption stability |
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