The technical proposal of the invention is that a blend membrane of polyvinylidene fluoride comprises a blend of polyvinylidene fluoride, the blend is oligosaccharide.

• 本发明的技术方案是，一种聚偏氟乙烯共混膜，包括有与聚偏氟乙烯的共混物，所述共混物为低聚糖。