TRANSIENT SMALL-ANGLE NEUTRON-SCATTERING OF ALIGNED MICELLES

被引：7

作者：

KALUS, J ^{[1
]}

LINDNER, P ^{[1
]}

HOFFMANN, H ^{[1
]}

IBEL, K ^{[1
]}

MUNCH, C ^{[1
]}

SANDER, J ^{[1
]}

SCHMELZER, U ^{[1
]}

SELBACH, J ^{[1
]}

机构：

[1] INST MAX VON LAUE PAUL LANGEVIN,F-38042 GRENOBLE,FRANCE

来源：

PHYSICA B | 1991年 / 174卷 / 1-4期

关键词：

D O I：

10.1016/0921-4526(91)90599-A

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We have studied the microscopic basis of the hydrodynamic properties of aqueous micellar solutions with time-resolved neutron diffraction after the stepwise application of shear. We found that micelles formed by tetradecyltrimethyl-ammonium-salicylate ((C14H29N(CH3)3)+-(C6H4OHCOO)-; TTMA-Sal) show a shear-induced phase transition. For studying the hydrodynamic properties of micelles formed of cetylpyridiniumsalicylate ((C16H33NC5H5) - (C6H4OHCOO)-1; CPS) the shear rate was of sinusoidal shape GAMMA = GAMMA-0 sin(omega-t) with 0.09 s-1 < omega < 3.8 s-1. Indications for an unusual enhancement of the alignment was found for omega around 0.6 s-1 and for GAMMA-0 = 20 s-1.

引用

页码：164 / 169

页数：6

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