%0 Journal Article %T Fluorinated cellular polypropylene films with time-invariant excellent surface electret properties by post-treatments %A An, Zhenlian %A Mao, Mingjun %A Yao, Junlan %A Zhang, Yewen %A Xia, Zhongfu %J Journal of Physics D: Applied Physics %V 43 %N 41 %P 7 %@ 0022-3727 %D 2010-10-20 %~ DeepDyve