Liquid-liquid equilibrium of hydrogen bonding polymer

被引：11
|
作者：
Byun, Hun-Soo [1 ]
Lee, Bong-Seop [2 ]
机构：
[1] Chonnam Natl Univ, Dept Chem & Biomol Engn, Yeosu 59626, Jeonnam, South Korea
[2] Kyungnam Univ, Dept Fire & Disaster Prevent Engn, Chang Won 51767, Gyeongnam, South Korea
来源：
POLYMER | 2017年 / 121卷
关键词：
Equation of state; Hydrogen bonding; Liquid-liquid equilibrium; EQUATION-OF-STATE; CRITICAL SOLUTION TEMPERATURES; PRESSURE PHASE-EQUILIBRIA; PERTURBED-CHAIN SAFT; CUBIC EQUATION; CLOUD-POINT; MIXTURES; SYSTEMS; POLYETHYLENE; BEHAVIOR;
D O I：
10.1016/j.polymer.2017.06.012
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 liquid-liquid equilibrium (LLE) calculation for polymer solutions is essential for processes design of polymerization. The hydrogen bonding in polymer solutions leads to deviate remarkably from normal solutions behaviors. The perturbed hard-sphere-chain-association (PHSC-AS) equation of state (EoS) is applied to calculate the liquid-liquid equilibrium (LLE) of polymer mixtures with hydrogen bonding association such as self-and cross-association with various phase behaviors such as UCST, LCST and closed-loop of polymer solutions. In addition, the calculation results are compared with those obtained by the PC-SAFT EoS, which is known to be useful for calculating phase equilibria of polymer systems. PHSC-AS EoS shows a satisfactory performance for LLE calculation with similar accuracy compared to that with PC-SAFT EoS. (C) 2017 Elsevier Ltd. All rights reserved.
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页码：1 / 8
页数：8
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