Critical behavior of nanoparticle-containing binary liquid mixtures

被引：2
|
作者：
Bakaeva, Z. [1 ]
Cernoch, P. [1 ]
Stepanek, P. [1 ]
Nallet, F. [2 ]
Noirez, L. [3 ]
机构：
[1] Acad Sci Czech Republic, Inst Macromol Chem, CR-16206 Prague, Czech Republic
[2] Univ Bordeaux, Ctr Rech Paul Pascal, CNRS, F-33600 Pessac, France
[3] CEA Saclay, Lab Leon Brillouin, F-91191 Gif Sur Yvette, France
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2013年 / 15卷 / 16期
关键词：
ANGLE NEUTRON-SCATTERING; LIGHT-SCATTERING; CRITICAL-DYNAMICS; PLUS WATER; CROSSOVER; DIFFUSION; VISCOSITY; POLYMERS; BLENDS; FLUIDS;
D O I：
10.1039/c3cp44052d
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：
Simultaneous measurements of small-angle neutron scattering and dynamic light scattering have been performed on a binary mixture of partially miscible liquids, 2,6-dimethylpyridine and water. At critical composition the temperature dependence of the correlation length of fluctuations in composition is strongly affected by the addition of nanoparticles of a triblock copolymer polyethylene oxide-polypropylene oxide-polyethylene oxide. A crossover between Ising-type critical behavior and mean-field critical behavior is observed when the correlation length is equal to the size of the nanoparticles.
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页码：5831 / 5835
页数：5
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