Determination of both the binodal and the spinodal curves in polymer blends by shear rheology

被引：51

作者：

Kapnistos, M ^{[1
]}

Vlassopoulos, D ^{[1
]}

Anastasiadis, SH ^{[1
]}

机构：

[1] UNIV CRETE,DEPT PHYS,GR-71110 IRAKLION,CRETE,GREECE

来源：

EUROPHYSICS LETTERS | 1996年 / 34卷 / 07期

关键词：

D O I：

10.1209/epl/i1996-00488-0

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The thermorheological complexity at low frequencies in polymer blends near macrophase separation is quantitatively accounted for. The behaviour of both storage, G', and loss, G '', moduli at low frequencies as the temperature, T, approaches phase separation is due to the critical concentration fluctuations in the one-phase region. The temperature at maximum slope of the G' vs. T dependence at low frequencies is identified with the cloud point curve, whereas a plot of [(G '')(2)/(G'T)](2/3) vs. 1/T leads to the identification of the spinodal temperature.

引用

页码：513 / 518

页数：6

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