Phase transitions in solutions of polystyrene with poly(methyl methacrylate) and polybutadiene under deformation

被引：0
|
作者：
E. V. Rusinova
L. V. Adamova
S. A. Vshivkov
机构：
[1] Ural State University,
来源：
Polymer Science Series A | 2006年 / 48卷
关键词：
Phase Transition; Free Energy; Phase Diagram; Ethyl Acetate; Polystyrene;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
By the cloud point and static sorption methods, phase diagrams are constructed and the concentration and temperature dependences of the Gibbs free energy of mixing and the interaction parameter are determined under static conditions and in a shear field for the poly(methyl methacrylate)-polystyrene-ethyl acetate, polystyrene-polybutadiene-toluene, polystyrene-polybutadiene, poly(methyl methacrylate)-polystyrene, poly(methyl methacrylate)-ethyl acetate, and polystyrene-ethyl acetate systems. Phase separation in the systems both under heating and cooling, as well as coexistence of three phases, is observed in the polystyrene-poly(methyl methacrylate)-ethyl acetate system. Deformation changes the phase separation temperature by 30–40 K.
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页码：159 / 163
页数：4
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