Sorption of Benzene, Dichloromethane, n-Propyl Acetate, and 2-Butanone by Poly(methyl methacrylate), Poly(ethyl methacrylate), and Their Copolymers at 323.15 K Using a Quartz Crystal Balance

被引:6
|
作者
Wong, Howard C. [1 ]
Campbell, Scott W. [1 ]
Bhethanabotla, Venkat R. [1 ]
机构
[1] Univ S Florida, Dept Chem & Biomed Engn, Tampa, FL 33620 USA
来源
关键词
THERMODYNAMIC PROPERTIES; POLYMER-SOLUTIONS; COEFFICIENTS; PREDICTION; EQUATION; SYSTEMS;
D O I
10.1021/je200741j
中图分类号
O414.1 [热力学];
学科分类号
摘要
Isothermal solubilities of benzene, dichloromethane, n-propyl acetate, and 2-butanone in poly(methyl methacrylate) (PMMA), poly(ethyl methacrylate) (PEMA), and two different PMMA/PEMA copolymers at 323.15 K are reported. Data were measured in the concentrated-polymer regime using a quartz crystal balance and are represented by a modified Flory-Huggins equation to within experimental error. The model parameters show a trend with copolymer composition.
引用
收藏
页码:4772 / 4777
页数:6
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