The activity coefficient of solvent was calculated by the UNIQUAC+FV group contribution method in this paper, and the calculations were roughly consisted with the experimental results.

• 文中用UNIQUAC活度系数模型计算组分在液相中的活度,UNIFAC+FV基团贡献法关联有机溶剂在聚合物膜中的活度,理论预测了聚丙烯(PP)膜在正戊烷和正己烷中的溶胀行为。