状态方程计算高分子共混物的比体积  

Calculation of specific volume of blends based on equations of state

作　　者：邸青[1] 郝宏强[1] 陈瑞珍[1] 

机构地区：[1]河北化工医药职业技术学院化学工程系,河北石家庄050031

出　　处：《河北科技大学学报》2006年第1期28-32,53,共6页Journal of Hebei University of Science and Technology

摘　　要：基于一个简单的非均核链流体分子热力学模型,采用不同形式的微扰项,可构筑不同形式的高分子共混物系统的状态方程。方程已被应用于关联聚苯乙烯/聚2,6-二甲基苯醚(PS/PPO)、聚苯乙烯/聚乙烯甲醚(PS/PVME)、聚苯乙烯/聚丁二烯(PS/PBD)、聚醚砜/聚氧乙烯(PESP/PEO)等高分子共混物的比体积。结果显示,用一个与温度无关的二元相互作用可调参数可满意关联所选体系的比体积,并可预测所选体系的比体积。Equations of state can be proposed by using different perturbation terms based on a molecular thermodynamic model of heteronulear chains with simple form. The proposed equations have been extended to the correlation of the specific volume for blends including polystyrene with poly（2,6-dimethyl phenylene oxide）, polystyrene with poly（vinyl methyl ether）, polystyrene with polybutadiene, polyethersulphone with poly（ethylene oxide）, respectively. It is shown that equations can be used to correlate satisfactorily the specific volume of blends with only one adiustable temperature independent interaction parameter. Good agreement can be obtained between the specific volume and experimental data for the selected systems.

关 键 词：状态方程 分子热力学模型 共混物 比体积 

分 类 号：O642.4[理学—物理化学]