A segmental interaction model for liquid-liquid equilibria correlation and prediction - Application to the poly(vinyl alcohol) water system

被引：3
|
作者：
Panagou, E
Vidal, J
Bogdanic, G [1 ]
机构：
[1] INA Ind Nafte, Res & Dev, DD, Zagreb 10000, Croatia
[2] Natl Tech Univ Athens, Dept Chem Engn, Athens, Greece
来源：
POLYMER BULLETIN | 1998年 / 40卷 / 01期
关键词：
D O I：
10.1007/s002890050232
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 segmental interaction model containing the combinatorial, free-volume and energetic contributions to the excess Gibbs energy has been developed. The energetic contribution is based on the solution of segment concept. The model has been applied to the system poly(vinyl alcohol)/water between 330 and 420 K. The closed loop diagram, the lower and upper critical temperatures are correlated, using weakly temperature dependent UNIQUAC parameters.
引用
收藏
页码：117 / 123
页数：7
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