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Citation: Li Gan-Zuo, Hao Jing-Cheng, Li Fang, Liu Shang Ying, Wang Han-Qing. The Formation and Characteristics of Middle Phase Microemulsions in Cationic Surfactant Systems[J]. Acta Physico-Chimica Sinica, ;1995, 11(06): 553-557. doi: 10.3866/PKU.WHXB19950615 shu

The Formation and Characteristics of Middle Phase Microemulsions in Cationic Surfactant Systems

1.
Department of Chemistry,Shandong University,Jinan 250100

Received Date: 10 May 1994
Available Online: 15 June 1995

The experiments show that the middle phase microemulsions can form in tetradecane pyridinium bromide/alcohol/n-heptane/brine systems. The phase behaviour was investigated by using concentration scanning and interfacial tension methods. The formation and characteristics of the middle phase microemulsions are affected obviously by the concentrations of TPB from 0.5 % to 6.0 %, the concentrations of n-butanol from 2.0 to 7.0 % and the n-alcohols from C3H7OH to C5H11 OH. The difference between systems with TPB and sodium dodecyl sulfonate (AS) is also discussed. Some rules are worked out.
- Middle phase microemulsions,
- TPB;Phase behaviour,
- Interfcial tension
  ,
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