Phase equilibria in polymer blend thin films: A Hamiltonian approach

被引：8
|
作者：
Souche, M. [1 ]
Clarke, N. [1 ]
机构：
[1] Univ Durham, Dept Chem, Durham DH1 3LE, England
来源：
JOURNAL OF CHEMICAL PHYSICS | 2009年 / 131卷 / 24期
基金：
英国工程与自然科学研究理事会;
关键词：
phase equilibrium; polymer blends; polymer films; polymer structure; solid-state phase transformations; INTERFACIAL INSTABILITY; WETTING BEHAVIOR; SEPARATION; INTERPLAY; MIXTURES; SURFACES; FLUIDS; WALLS;
D O I：
10.1063/1.3273420
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：
We propose a Hamiltonian formulation of the Flory-Huggins-de Gennes theory describing a polymer blend thin film. We then focus on the case of 50:50 polymer blends confined between antisymmetric walls. The different phases of the system and the transitions between them, including finite-size effects, are systematically studied through their relation with the geometry of the Hamiltonian flow in phase space. This method provides an easy and efficient way, with strong graphical insight, to infer the qualitative physical behavior of polymer blend thin films.
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页数：9
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