Ellipsometric determination of Flory-Huggins interaction parameters in solution

被引：72

作者：

Elbs, H

Krausch, G

机构：

[1] Univ Bayreuth, Lehrstuhl Phys Chem 2, D-95440 Bayreuth, Germany

[2] Univ Bayreuth, Bayreuther Zentrum Kolloide & Grenzflachen, D-95440 Bayreuth, Germany

来源：

POLYMER | 2004年 / 45卷 / 23期

关键词：

polymer blends; block copolymers; thin films;

D O I：

10.1016/j.polymer.2004.09.021

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

We have used spectroscopic ellipsometry to determine the Flory-Huggins parameters in thin films of polystyrene, poly(2vinyl pyridine), and poly(tert butyl methacrylate) swollen in controlled atmosphere of various common solvents. From the experimental data the concentration dependent Flory-Huggins interaction parameters between the homopolymers and the different solvents are revealed. Similar experiments were performed on binary copolymers of the three components. From the comparison between the degree of swelling of the homopolymers and the copolymers, respectively, the polymer/polymer Flory-Huggins interactions parameters are determined as a function of solvent content as well. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：7935 / 7942

页数：8

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