| 油/水界面表面活性剂的复配协同机制 |
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| 引用本文： | 谭晶,曹绪龙,李英,宋新旺,何秀娟,崔晓红,李振泉. 油/水界面表面活性剂的复配协同机制[J]. 高等学校化学学报, 2009, 30(5): 949-953 |
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| 作者姓名： | 谭晶 曹绪龙 李英 宋新旺 何秀娟 崔晓红 李振泉 |
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| 作者单位： | 山东大学胶体与界面教育部重点实验室,济南,250100;中国石油化学胜利油田地质科学研究院,东营,257015 |
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| 基金项目： | 中国石油化工重大先导试验项目，中国石油化工重点项目 |
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| 摘 要： | 采用耗散颗粒动力学(DPD)方法模拟了椰油酸二乙醇酰胺(6501)分别与十二烷基-α-烯烃磺酸钠(DAOS)、椰油酰胺丙基二甲基甜菜碱(CAB)和十二烷基苯磺酸钠(SDBS)复配体系中表面活性剂在油/水界面的排布行为, 探讨了盐度及分子结构对单一和复配表面活性剂界面活性的影响, 从界面效率、界面密度和分子排布等角度讨论了油水界面表面活性剂混合体系的复配协同增效机制.
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| 关 键 词： | 耗散颗粒动力学模拟 界面密度 界面效率 超低界面张力 复配增效 |
| 收稿时间： | 2008-09-16 |
Investigate of Synergistic Effects Mechanism of Mixed Surfactants at the Oil/Water Interface |
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| TAN Jing,CAO Xu-Long,LI Ying,SONG Xin-Wang,HE Xiu-Juan,CUI Xiao-Hong,LI Zhen-Quan. Investigate of Synergistic Effects Mechanism of Mixed Surfactants at the Oil/Water Interface[J]. Chemical Research In Chinese Universities, 2009, 30(5): 949-953 |
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| Authors: | TAN Jing CAO Xu-Long LI Ying SONG Xin-Wang HE Xiu-Juan CUI Xiao-Hong LI Zhen-Quan |
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| Affiliation: | 1.Key Laboratory for Colloid & Interface Chemistry of State Ministry of Education;Shandong University;Jinan 250100;China;2.Geological Scientific Research Institute;Shengli Oilfield;Dongying 257015;China |
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| Abstract: | The method of dissipative particle dynamics was adopted to simulate the interfacial orientation of mixed systems between coconut diethanol amide(6501) and dodecyl alpha olefin sulfonate(DAOS),cocoanut amide propyl betaine(CAB),sodium dodecyl benzene sulfonate(SDBS) respectively at the oil/water interface.The effect of salt and molecular structure on the interfacial activity of pure and mixed surfactant systems were investigated.The mechanism of synergistic effects of mixed surfactants is analyzed from the a... |
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| Keywords: | Dissipative particle dynamics Interfacial density Interfacial efficiency Ultra low interfacial tension Synergistic effect |
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