Phase behavior of binary homopolymer/diblock blends: Temperature and chain length dependence

被引:74
|
作者
Janert, PK [1 ]
Schick, M [1 ]
机构
[1] Univ Washington, Dept Phys, Seattle, WA 98195 USA
关键词
D O I
10.1021/ma971093g
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 phase behavior of binary blends of A homopolymer and symmetric AB diblock copolymer is studied within mean-held theory. The occurrence of lamellar, hexagonal, and body-centered-cubic phases is examined in the weak to intermediate segregation regime and over a wide range of homopolymer length relative to that of the diblock. This ratio is found to be a crucial parameter for the topology of the phase diagram. Several different classes of behavior are established, and comparisons are made with experiment.
引用
收藏
页码:1109 / 1113
页数:5
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