| 十二烷基硫酸钠/聚氧乙烯体系饱和蒸汽压和表面张力 |
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| 引用本文： | 海明潭,高洁,韩布兴,闫海科,刘芸,韩其勇. 十二烷基硫酸钠/聚氧乙烯体系饱和蒸汽压和表面张力[J]. 物理化学学报, 1998, 14(8): 747-751. DOI: 10.3866/PKU.WHXB19980815 |
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| 作者姓名： | 海明潭 高洁 韩布兴 闫海科 刘芸 韩其勇 |
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| 作者单位： | Institute of Chemistry,Academia Sinica,Beijing 100080;Department of Physicochemistry,University of Science and Technology,Beijing 100083,Department of Chemistry,Tsinghua University,Beijing 100084 |
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| 摘 要： | 表面活性剂／聚合物体系具有多种工业用途，尤其在提高石油采收率方面具有广泛的应用前景。另外，此类体系中存在复杂而特殊的相互作用．因此，聚合物／表面活性剂体系物理化学性质的研究具有十分重要的理论和实际意义．文献中对此方面的研究已有不少报导[1－6]．1967年，Jones
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| 关 键 词： | 聚氧乙烯 十二烷基硫酸钠 蒸汽压 表面张力 |
| 收稿时间： | 1997-10-09 |
| 修稿时间： | 1997-12-01 |
Vapour Pressure and Surface Tension of Aqueous Solution SDS-PEO |
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| Hai Mingtan, Gao Jie, Han Duxing, Yan Haike, Liu Yun, Han Qiyong. Vapour Pressure and Surface Tension of Aqueous Solution SDS-PEO[J]. Acta Physico-Chimica Sinica, 1998, 14(8): 747-751. DOI: 10.3866/PKU.WHXB19980815 |
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| Authors: | Hai Mingtan Gao Jie Han Duxing Yan Haike Liu Yun Han Qiyong |
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| Affiliation: | Institute of Chemistry,Academia Sinica,Beijing 100080;Department of Physicochemistry,University of Science and Technology,Beijing 100083|Department of Chemistry,Tsinghua University,Beijing 100084 |
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| Abstract: | Vapor pressure and surface tension of the aqueous solution of sodium dodecyl sill-fate(SDS)/polyethylene oxide(PEO) were measured at 298.15, 308.15 and 318.15K respectively, the coucentration of PEO was 0.5%, and the concentration of SDS (mnsds ) was up to 80 mmol.kg-1 The activity coefficient of water at different temperatures was calculated. The effcct of intermolecular interactions on the vapour pressure was discussed. From vapo pressure and surface tension data, the critical aggregate concentration (CAC) and polymer saturation point (PSP) were ob-tained. |
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| Keywords: | Polyethylene oxide Sodium dodecyl sulfate Vapor pressure Surface tension |
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