CHARACTERIZATION OF A 4-COMPONENT CATIONIC REVERSED MICELLAR SYSTEM - DODECYLTRIMETHYLAMMONIUM CHLORIDE HEXANOL NORMAL-HEPTANE AND 0.1-M KCL SOLUTION

被引:28
作者
PETIT, C
BOMMARIUS, AS
PILENI, MP
HATTON, TA
机构
[1] UNIV PARIS 06,STRUCT & REACT INTERFACES,F-75231 PARIS 05,FRANCE
[2] CENS,DEPT PHYSICOCHIM,F-91191 GIF SUR YVETTE,FRANCE
[3] MIT,DEPT CHEM ENGN,CAMBRIDGE,MA 02139
关键词
D O I
10.1021/j100190a093
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 reversed micellar region of the phase diagram for the DTAC/hexanol/n-heptane/buffer system has been characterized in terms of microemulsion droplet interfacial composition and size over a wide range of water-to-surfactant ratios, w0. Phase boundary titration, conductivity, SAXS, and QELS measurements are all consistent with each other, giving strong support for the existence of a somewhat polydisperse dispersion of spherical droplets in the organic continuum stabilized by an interfacial cosurfactant-surfactant mixture of constant composition.
引用
收藏
页码:4653 / 4658
页数:6
相关论文
共 20 条
[1]   WINSOR MICROEMULSIONS WITH CATIONIC SURFACTANTS - STRUCTURE [J].
ABILLON, O ;
BINKS, BP ;
OTERO, C ;
LANGEVIN, D ;
OBER, R .
JOURNAL OF PHYSICAL CHEMISTRY, 1988, 92 (15) :4411-4416
[2]  
BINKS BP, 1989, PROG COLL POL SCI S, V79, P208
[3]   COALESCENCE AND SOLUBILIZATE EXCHANGE IN A CATIONIC 4-COMPONENT REVERSED MICELLAR SYSTEM [J].
BOMMARIUS, AS ;
HOLZWARTH, JF ;
WANG, DIC ;
HATTON, TA .
JOURNAL OF PHYSICAL CHEMISTRY, 1990, 94 (18) :7232-7239
[4]  
BROCHETTE P, 1987, THESIS U P M CURIE
[5]  
CABANE B, 1986, SURFACTANTS SOLUTION
[6]  
EAMB TN, 1987, J PHYS CHEM-US, V91, P3814
[7]   CONDUCTIVITY OF WATER-IN-OIL MICROEMULSIONS - A QUANTITATIVE CHARGE FLUCTUATION MODEL [J].
EICKE, HF ;
BORKOVEC, M ;
DASGUPTA, B .
JOURNAL OF PHYSICAL CHEMISTRY, 1989, 93 (01) :314-317
[8]   MICROEMULSIONS - FORMATION AND STABILIZATION [J].
GERBACIA, W ;
ROSANO, HL .
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1973, 44 (02) :242-248
[9]  
Guinier A., 1955, SMALL ANGLE SCATTERI
[10]   AN ANALYTIC STRUCTURE FACTOR FOR MACROION SOLUTIONS [J].
HAYTER, JB ;
PENFOLD, J .
MOLECULAR PHYSICS, 1981, 42 (01) :109-118