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采用开路热刺激放电法研究了恒压电晕充电极化的含Ｔｅｆｌｏｎ－ＡＦ层的非线性光学聚合物驻极体双层膜系统的电荷动态特性，结合电光效应和表面电位衰减测量结果分析表明：双层膜系统中偶极分子有序取向稳定性明显优于单层非线性光学聚合物驻极体，其原因在于Ｔｅｆｌｏｎ－ＡＦ层中高储存稳定性的空间电荷有效地抑制了分子偶极驻极体层中偶极分子有序取向的松驰．
The charge dynamic characteristics of a non-linear optical polymer electret bilayer membrane system containing Teflon-AF layer charged by constant voltage corona charging were studied by using open circuit thermal stimulation discharge method. The results of the measurement of electrooptic effect and surface potential decay : The stability of ordered orientation of dipole molecules in bilayer membrane system is obviously better than that of monolayer non-linear optical polymer electrets. The reason for this is that the space charge with high storage stability in Teflon-AF layer effectively restrain the molecular dipolarity Relaxation of ordered orientations of dipoles in the polar body.