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Citation: YU Tao, YANG Yang, ZHANG Chun-Hui, LI An-Jun, GAO Xiao-Yu, DING Wei, QU Guang-Miao. Interfacial Properties of n-Hydrocarbon and Water in the Presence of Branched Hexadecane Toluene Sulfonates[J]. Chinese Journal of Applied Chemistry, ;2009, 26(9): 1011-1014. shu

Interfacial Properties of n-Hydrocarbon and Water in the Presence of Branched Hexadecane Toluene Sulfonates

1.
College of Chemistry and Chemical Engineering, Daqing Petroleum Institute, Daqing 163318

Corresponding author: YU Tao,
Received Date: 20 August 2008
Available Online: 17 November 2008
Fund Project: 国家重点基础研究规划“九七三”资助项目(2005tb221300) (2005tb221300)

In the presence of each of 3 hexadecane toluene sulfonates synthesized in the laboratory,the effects of internal factors such as branched degree of the fatty chain and the concentration of the sulfonates and the external factors like the different kinds of aliphatic alcohols and the concentration of inorganic salt on either the minimum alkane carbon number or the interfacial tension were investigated.The results show that as the branch-degree increased,the minimum number of alkane carbon n_min increased,while the minimum value of interfacial tension decreased.As the concentration increased,the value of interfacial tension first decreased and then increased.The minimum alkane carbon number became big as the carbon chain length of the aliphatic alcohol increased.When the salt concentration increased,the interfacial tension rose after the first drop,and ultra-low interfacial tension appeared at a suitable salt concentration.
- branched hexadecane toluene sulfonate,
- the minimum alkane carbon number,
- interfacial tension
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