Entropic-FV(EFV)修正模型是对摩尔体积和自由体积线性混合规则修改而获得,模型形式基本不变,也无须增加模型参数.将该修正模型、EFV模型及原修正模型EFV-1.2用于预测25个由PDMS、PS、PVC与苯、甲苯、乙醇等组成的聚合物-溶剂体系的组分活度,并与实验数据进行比较,平均预测偏差分别为7.37%、7.96%、6.90%.结果显示,该修正模型的预测效果优于原模型、且稳定性较好.
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