PHASE-BEHAVIOR OF BINARY-MIXTURES CONTAINING A SELF-ASSOCIATING POLYMER

被引：2

作者：

SIKORA, A ^{[1
]}

KARASZ, FE ^{[1
]}

机构：

[1] UNIV MASSACHUSETTS,DEPT POLYMER SCI & ENGN,AMHERST,MA 01003

来源：

MACROMOLECULES | 1993年 / 26卷 / 13期

关键词：

D O I：

10.1021/ma00065a030

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A simple association model has been developed and used to calculate the phase diagrams of a self-associating block copolymer/inert homopolymer mixture. It is shown that in this type of system a closed immiscibility regime can be observed, even in mixtures without strong specific interactions. A comparison of the model phase diagrams with the known phase diagram of a mixture of the block copolymer poly(styrene-co-butadiene) and polystyrene is satisfactory and leads to the suggestion that in this system a closed immiscibility regime is possible at higher temperatures and a noncritical-critical ''sideways coalescence'' of two miscibility gaps can occur.

引用

页码：3438 / 3443

页数：6

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