| 双生磷酸酯钠盐对碳酸钙粉体的表面改性 |
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| 引用本文： | 史春薇,仲崇民,尹少华,宋锦玉,闫玉玲,宋官龙.双生磷酸酯钠盐对碳酸钙粉体的表面改性[J].石化技术与应用,2012,30(3):211-214. |
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| 作者姓名： | 史春薇 仲崇民 尹少华 宋锦玉 闫玉玲 宋官龙 |
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| 作者单位： | 1. 辽宁石油化工大学学报编辑部,辽宁抚顺,113001
2. 东北大学材料冶金学院,辽宁沈阳,110004 |
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| 摘 要： | 分别以自制的4种双生磷酸酯钠盐和硬脂酸钠为改性剂,在改性剂摩尔浓度为1 mol/L,反应温度为30～35℃,反应时间为6h,反应压力为0 01 MPa的优化条件下,采用湿法对碳酸钙表面进行改性.结果表明,与未改性碳酸钙相比,改性碳酸钙与液体石蜡混合体系黏度降低,表面吸水率和吸油量减小,分散性得到改善.
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| 关 键 词： | 双生磷酸酯钠盐 碳酸钙 表面改性 超细粉体 |
Gemini phosphate sodium salt for surface modification of calcium carbonate powder |
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| SHI Chun-wei
,
ZHONG Chong-min
,
YIN Shao-hua
,
SONG Jin-yu
,
YAN Yu-ling
,
SONG Guan-long.Gemini phosphate sodium salt for surface modification of calcium carbonate powder[J].Petrochemical Technology & Application,2012,30(3):211-214. |
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| Authors: | SHI Chun-wei ZHONG Chong-min YIN Shao-hua SONG Jin-yu YAN Yu-ling SONG Guan-long |
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| Affiliation: | 1(1.Journal Editorial Department,Liaoning University of Petroleum and Chemical Technology,Fushun 113001,China; 2.School of Materials & Metallurgy,Northeastern University,Shenyang 110004,China) |
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| Abstract: | The surface modification of calcium carbonate ultra-fine powders was studied by wet method with four kinds of sodium gemini phosphate self-synthesized and sodium stearate as modifing agent under the optimum conditions of the modifier molar concentration 1mol/L,reaction temperature 30-35℃,reaction time 6h,the reaction pressure 0.01MPa.The results showed that compared with unmodified ultra-fine powders,the viscosity of mixture of modified ultra-fine powders and liquid paraffin decreased,the water absorption and oil absorption on the surface of modified ultra-fine powders reduced.All these results showed the surface polarity of modified ultra-fine powders decreased,and the dispersibility of modified ultra-fine powders improved distinctly. |
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| Keywords: | gemini phosphate sodium salt calcium carbonate surface modification ultra-fine powder |
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