Interaction Between 2,2,3,3,4,4,4-Heptafluorobutanol and Anionic Surfactants

Chem. J. Chinese Universities ›› 1992, Vol. 13 ›› Issue (3): 375.

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Interaction Between 2,2,3,3,4,4,4-Heptafluorobutanol and Anionic Surfactants

DING Hui-jun, LIU Xu-hong, ZHAO Guo-xi

Institute of Physical Chemistry, Peking University, Beijing, 100871

Received:1991-03-19 Online:1992-03-24 Published:1992-03-24

Abstract

Abstract: The mixed aqueous solution of C₃F₇CH₂OH-C₁₀ H₂₁ SO₄Na and C₃F₇CH₂OH-C₇H₁₅ COONa was investigated by the surface tension analysis.When C₃F₇CH₂OH is added into the anionic surfactants the surface activity of anionic surfactant is increased.In the surface layer the molecular interaction in the C₃F₇CH₂OH-C₁₀ H₂₁SO₄Na system is weaker (with smaller |β_σ| value) than that in the C₃F₇CH₂OH-C₇F₁₅COONa system; The counterion binding degree of C₁₀H₂₁SO₄Na micelles increases with the concentration increase of C₃F₇CH₂OH.

Key words: Fluorocarbon alcohol, Surface activity, Counterion binding degree

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DING Hui-jun, LIU Xu-hong, ZHAO Guo-xi . Interaction Between 2,2,3,3,4,4,4-Heptafluorobutanol and Anionic Surfactants[J]. Chem. J. Chinese Universities, 1992, 13(3): 375.

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Interaction Between 2,2,3,3,4,4,4-Heptafluorobutanol and Anionic Surfactants

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