The pH-dependent surface activity of a hydrocarbon/fluorocarbon catanionic surfactant for water/hydrofluoroether microemulsions: The characterization of a new acid/soap complex

被引：4

作者：

Baran, JR ^{[1
]}

Decker, EL ^{[1
]}

Wilcox, HN ^{[1
]}

机构：

[1] 3M Co, Ctr 3M, Ctr Adv Mat Technol, Maplewood, MN 55144 USA

来源：

JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 2002年 / 23卷 / 1-3期

关键词：

D O I：

10.1080/01932690208984185

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The pH sensitivity of a hydrocarbon/fluorocarbon catanionic surfactant is investigated. The catanionic surfactant is sensitive to low pH, which results in the precipitation of an acid/soap complex. This complex is identified by IR, NMR and confirmed by x-ray crystallography.

引用

页码：23 / 28

页数：6

共 12 条

[1]

[Anonymous], MIXED SURFACTANT SYS

[2] Winsor I↔ III↔II microemulsion phase behavior of hydrofluoroethers and fluorocarbon/hydrocarbon catanionic surfactants [J].

Baran, JR .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2001, 234 (01) :117-121

[3] Solubilization of an ionic liquid, 1-butyl-3-methylimidazolium hexafluorophosphate, in a surfactant-water system [J].

Friberg, SE ;

Yin, Q ;

Pavel, F ;

Mackay, RA ;

Holbrey, JD ;

Seddon, KR ;

Aikens, PA .

JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY, 2000, 21 (02) :185-197

[4] Spectroscopic and thermal characterization of 1:2 sodium soap fatty acid acid-soap crystals [J].

Lynch, ML ;

Pan, Y ;

Laughlin, RG .

JOURNAL OF PHYSICAL CHEMISTRY, 1996, 100 (01) :357-361

[5] New fluorous ionic liquids function as surfactants in conventional room-temperature ionic liquids [J].

Merrigan, TL ;

Bates, ED ;

Dorman, SC ;

Davis, JH .

CHEMICAL COMMUNICATIONS, 2000, (20) :2051-2052

[6] Effect of protonation on the solution and phase behavior of aqueous sodium myristate [J].

Wen, XY ;

Franses, EI .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2000, 231 (01) :42-51

[7] NONCRITICAL BEHAVIOR NEAR THE CLOUD POINT IN PERFLUORINATED IONIC MICELLAR SOLUTIONS [J].

YU, ZJ ;

NEUMAN, RD .

LANGMUIR, 1994, 10 (02) :377-380

[8]

CHEM ENG NEWS 0529

[9]

FLUORINATED SURFACTA

[10]

SURFACTANTS INTERFAC

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