Mesoscopic Simulation of the Interfacial Behavior of Biosurfactant Rhamnolipids and the Synergistic Systems

Acta Chimica Sinica ›› 2011, Vol. 69 ›› Issue (20): 2420-2426. Previous Articles Next Articles

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生物表面活性剂鼠李糖脂及其复配体系界面行为和性质的介观模拟

朱鹏飞¹，李英*^,1，李全伟¹，宋新旺²，曹绪龙²，李振泉²

(¹山东大学化学与化工学院胶体与界面教育部重点实验室济南 250100)
(²中石化胜利油田地质科学研究院东营 257015)

投稿日期:2011-01-22 修回日期:2011-06-09 发布日期:2011-06-23
通讯作者: 李英 E-mail:yingli@sdu.edu.cn
基金资助:
国家科技重大专项;教育部留学回国人员科研启动基金资助项目;国家自然科学基金资助项目

Mesoscopic Simulation of the Interfacial Behavior of Biosurfactant Rhamnolipids and the Synergistic Systems

Zhu Pengfei¹ Li Ying*^,1 Li Quanwei¹ Song Xinwang^2,Cao Xulong² Li Zhenquan²

(¹Key Laboratory for Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan 250100)
(²Geological Scientific Research Institute, Shengli Oilfield, Dongying 257015)

Received:2011-01-22 Revised:2011-06-09 Published:2011-06-23
Contact: Ying Li E-mail:yingli@sdu.edu.cn

The interfacial behavior of rhamnolipids (RL) at the oil/water interface was studied using dissipative particle dynamics (DPD) method. The characteristic of the monorhamnose and dirhamnose rhamnolipids (R1 and R2) and their mixtures with conventional surfactants, such as sodium dodecyl sulfate (SDS), sodium dodecyl benzene sulfonate (SDBS) and fatty alcohol polyoxyethylene ether (AEO₃) was studied. The interfacial behavior of R1 and R2 was studied and the effect of synergistic on the interfacial tension, interfacial density and surfactant interfacial stretching ability was discussed. Interfacial behaviors of different rhamnolipids structures as well as the interaction mechanisms of the synergistic systems were given in order to direct practical application.

Key words: biosurfactant, rhamnolipids, synergistic effect, dissipative particle dynamics, interfacial density

CLC Number:

O647.2

Cite this article

ZHU Peng-Fei, LI Ying, LI Quan-Wei, SONG Xin-Wang, CAO Xu-Long, LI Zhen-Quan. Mesoscopic Simulation of the Interfacial Behavior of Biosurfactant Rhamnolipids and the Synergistic Systems[J]. Acta Chimica Sinica, 2011, 69(20): 2420-2426.

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生物表面活性剂鼠李糖脂及其复配体系界面行为和性质的介观模拟

Mesoscopic Simulation of the Interfacial Behavior of Biosurfactant Rhamnolipids and the Synergistic Systems

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