FLOW BEHAVIOR AND SHEAR-INDUCED TRANSITION NEAR AN ISOTROPIC-NEMATIC TRANSITION IN EQUILIBRIUM POLYMERS

被引：157

作者：

SCHMITT, V

LEQUEUX, F

POUSSE, A

ROUX, D

机构：

[1] FAC CHIM STRASBOURG,F-67000 STRASBOURG,FRANCE

[2] CNRS,CTR RECH PAUL PASCAL,F-33600 PESSAC,FRANCE

来源：

LANGMUIR | 1994年 / 10卷 / 03期

关键词：

D O I：

10.1021/la00015a057

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We present rheological and small angle neutron scattering (SANS) measurements under flow of wormlike micelles solutions (CPClO3 in 0.05 M NaClO3) near an isotropic-nematic phase transition. Near the nematic transition, orientational correlations are put into evidence at equilibrium. The analysis of both nonlinear rheological and SANS behaviors under flow, of samples approaching the nematic phase at rest, reveals that there is an isotropic-nematic shear induced phase transition, which differs from the shear induced alignment observed far from the isotropic-nematic transition in other similar systems.

引用

页码：955 / 961

页数：7

共 21 条

[1]

APPELL J, 1991, J PHYS II, V1, P1447

[2]

APPELL J, 1992, J PHYS II, V2, P1045

[3] RHEOLOGICAL BEHAVIOR OF WORMLIKE MICELLES - EFFECT OF SALT CONTENT [J].

CANDAU, SJ ;

KHATORY, A ;

LEQUEUX, F ;

KERN, F .

JOURNAL DE PHYSIQUE IV, 1993, 3 (C1) :197-209

[4] STATICS AND DYNAMICS OF WORM-LIKE SURFACTANT MICELLES [J].

CATES, ME ;

CANDAU, SJ .

JOURNAL OF PHYSICS-CONDENSED MATTER, 1990, 2 (33) :6869-6892

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

CATES, ME .

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

[6]

CATES ME, IN PRESS EUROPHYS LE

[7]

DIAT O, 1992, THESIS

[8]

DIAT O, IN PRESS J PHYS PARI

[9]

DOI M, 1978, J CHEM SOC FARAD T 2, V74, P1789, DOI 10.1039/f29787401789

[10]

Doi M., 1986, THEORY POLYM DYNAMIC

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