Effects of Spacer Length on the Surface Properties of Cationic Gemini Fluorosurfactants

Abstract:

A novel class of cationic gemini fluorosurfactants with different spacer and same hydrophobic chain were synthesized. They were structurally characterized by NMR (1H and 19F), FT-IR, ESI-MS and elemental analysis. The equilibrium surface tensions were studied. The results showed that the gemini fluorosurfactants with the shorter spacer displayed higher surface activity, lower surface tension (21.48 mN/m) can be reached. Besides, the synergistic properties of these synthesized gemini fluorosurfactants with sodium dodecyl benzene sulfonate (SDBS) were investigated.

• Periodical: Key Engineering Materials (Volume 671)
• Pages: 210-216
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.671.210
• Online since: November 2015
• Authors: Xin Yin Wang*, Chang Jian Dai, Xiao Yun Liu, Tao Chen, Ji Ping Wang
• Keywords: Characterization, Gemini Surfactant, Surface Tension, Synergistic Properties, Synthesis

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