Effect of Ca2+/Mg2+ on the stability of the foam system stabilized by an anionic surfactant: A molecular dynamics study
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- 作者：Chunling Lia ; Tiantian Zhangb ; Xianjing Jia ; Zhikun Wanga ; Shuangqing Suna ; Songqing Hua ; c ; songqinghu.upc@gmail.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Molecular dynamics simulations ; Cations ion ; Anionic surfactant ; Foam stability
- 刊名：Colloids and Surfaces A: Physicochemical and Engineering Aspects
- 出版年：2016
- 出版时间：20 January 2016
- 年：2016
- 卷：489
- 期：Complete
- 页码：423-432
- 全文大小：3081 K
文摘
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The foam stability of anionic–nonionic surfactant (A12E2SO3) was studied by molecular dynamics simulations.
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Two forms of hydrogen bond bridging structures (O1⋯H2O⋯O2 and O2⋯H2O⋯Os) were observed for the first time in anionic surfactants.
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The favorable structure of A12E2SO3 monolayer for the increased stability was obtained in the foam system with the addition of Mg2+.