Co-continuous morphologies in polymer blends: the influence of the interfacial tension

被引：134
|
作者：
Willemse, RC [1 ]
de Boer, AP [1 ]
van Dam, J [1 ]
Gotsis, AD [1 ]
机构：
[1] Delft Univ Technol, Dept Polymer Technol, NL-2628 BL Delft, Netherlands
来源：
POLYMER | 1999年 / 40卷 / 04期
关键词：
polymer blends; co-continuous morphology; interfacial tension;
D O I：
10.1016/S0032-3861(98)00307-3
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The influence of the interfacial tension on the composition range within which fully co-continuous polymer blend structures can exist is studied for different blends with selected matrix viscosities and viscosity ratios. The critical composition for full co-continuity is found to increase with increasing interfacial tension, narrowing the composition range. The effect of the interfacial tension on the critical composition is composed of two counteracting effects, i.e. the stability of the co-continuous morphology and the phase dimensions. The latter effect is smaller than the former. The experimental results can quantitatively be predicted by a model published earlier, provided the phase dimensions are measured separately. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：827 / 834
页数：8
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