A continuous multi-layer with a larg e number of pores was observed.Structure of the film was found to be different fr om polytetrafluoroethylene and polyviny fluoride.

• 溅射后织物表面生成一种不同于聚氟乙烯和聚四氟乙烯结构的薄膜，薄膜呈多层贯通蜂窝状结构。