A SELF-DIFFUSION STUDY OF POLYMER-LIKE MICELLES

被引：38

作者：

OTT, A ^{[1
]}

URBACH, W ^{[1
]}

LANGEVIN, D ^{[1
]}

SCHURTENBERGER, P ^{[1
]}

SCARTAZZINI, R ^{[1
]}

LUISI, PL ^{[1
]}

机构：

[1] SWISS FED INST TECHNOL,INST POLYMER,CH-8092 ZURICH,SWITZERLAND

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1990年 / 2卷 / 26期

关键词：

D O I：

10.1088/0953-8984/2/26/028

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The authors present a self-diffusion study of long cylindrical micelles of lecithin in an organic solvent. The results are compared with those obtained for similar micelles of CTAB (cethyltrimethylammonium bromide) in brine. Qualitatively they observe a similar behaviour for both systems. The measured self-diffusion coefficient Ds has a power law dependence on the surfactant concentration. However, the exponent, which is salinity-dependent in the CTAB system, is constant and in good agreement with a theory for living polymers in the lecithin system. In the case of very elongated lecithin and CTAB micelles, Ds becomes independent of surfactant concentration.

引用

页码：5907 / 5912

页数：6

共 22 条

[1]

[Anonymous], 1979, SCALING CONCEPTS POL

[2]

APPELL J, 1983, J PHYS LETT-PARIS, V44, pL689, DOI 10.1051/jphyslet:019830044016068900

[3] MOBILITY MEASUREMENT BY ANALYSIS OF FLUORESCENCE PHOTOBLEACHING RECOVERY KINETICS [J].

AXELROD, D ;

KOPPEL, DE ;

SCHLESSINGER, J ;

ELSON, E ;

WEBB, WW .

BIOPHYSICAL JOURNAL, 1976, 16 (09) :1055-1069

[4] PHENOMENOLOGICAL THEORY OF EQUILIBRIUM THERMODYNAMIC PROPERTIES AND PHASE-SEPARATION OF MICELLAR SOLUTIONS [J].

BLANKSCHTEIN, D ;

THURSTON, GM ;

BENEDEK, GB .

JOURNAL OF CHEMICAL PHYSICS, 1986, 85 (12) :7268-7288

[5] NETWORK PROPERTIES OF SEMIDILUTE AQUEOUS KBR SOLUTIONS OF CETYLTRIMETHYLAMMONIUM BROMIDE [J].

CANDAU, SJ ;

HIRSCH, E ;

ZANA, R ;

ADAM, M .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1988, 122 (02) :430-440

[6] NEW ASPECTS OF THE BEHAVIOR OF ALKYLTRIMETHYLAMMONIUM BROMIDE MICELLES - LIGHT-SCATTERING AND VISCOSIMETRIC STUDIES [J].

CANDAU, SJ ;

HIRSCH, E ;

ZANA, R .

JOURNAL DE PHYSIQUE, 1984, 45 (07) :1263-1270

[7] LIGHT-SCATTERING INVESTIGATIONS OF THE BEHAVIOR OF SEMIDILUTE AQUEOUS MICELLAR SOLUTIONS OF CETYLTRIMETHYLAMMONIUM BROMIDE - ANALOGY WITH SEMIDILUTE POLYMER-SOLUTIONS [J].

CANDAU, SJ ;

HIRSCH, E ;

ZANA, R .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1985, 105 (02) :521-528

[8]

CANDAU SJ, 1970, PREPRINT

[9] REPTATION OF LIVING POLYMERS - DYNAMICS OF ENTANGLED POLYMERS IN THE PRESENCE OF REVERSIBLE CHAIN-SCISSION REACTIONS [J].

CATES, ME .

MACROMOLECULES, 1987, 20 (09) :2289-2296

[10] DYNAMICS OF LIVING POLYMERS AND FLEXIBLE SURFACTANT MICELLES - SCALING LAWS FOR DILUTION [J].

CATES, ME .

JOURNAL DE PHYSIQUE, 1988, 49 (09) :1593-1600

← 1 2 3 →