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Citation: Zhang Lu, Luo Lan, Zhao Sui, Yu Jia-Yong. Effect of Hydrophilic-Lipophilic Ability of Surfactant on Dynamic Interfacial Tensions[J]. Acta Physico-Chimica Sinica, ;2001, 17(01): 62-65. doi: 10.3866/PKU.WHXB20010113 shu

Effect of Hydrophilic-Lipophilic Ability of Surfactant on Dynamic Interfacial Tensions

1.
Institute of Photographic Chemistry,Chinese Academy of Sciences,Beijing　100101

Received Date: 6 March 2000
Available Online: 15 January 2001

The dynamic interfacial tensions between hydrocarbons and solutions of surfactants having different hydrophiliclipophilic ability are measured.The effects of ionic strength and alkyl chain carbonnumber on dynamic interfacial tensions are also studied.It is found that adsorptiondesorption barriers are connected with the hydrophiliclipophilic ability of surfactants.There exists a large or small adsorptiondesorption barrier to the transfer of surfactant having strong hydrophilic or lipophilic ability from water to oil.The influences of ionic strength and alkyl chain carbon-number on adsorptiondesorption barriers are discussed.
- Dynamic interfacial tension;Adsorption-desorption barrier;　Hydrophilic-lipophilic ability
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