公开(公告)号：AU2019415278A1

公开(公告)日：2021-07-15

申请号：AU2019415278

申请日：2019-12-24

Applicant: TORAY INDUSTRIES INC

Inventor： SHIMURA SHUN ,  HANAKAWA MASAYUKI ,  IWAI KENTA ,  YASUDA TAKAAKI

IPC: B01D69/00 ,  B01D69/10 ,  B01D69/12 ,  B01D71/34 ,  C08J9/26

Abstract: The present invention relates to a porous film which contains a polymer containing, as the main component thereof, a polyvinylidene fluoride-type resin, wherein the polyvinylidene fluoride-type resin comprises a branched polyvinylidene fluoride-type resin, and a value a and a value b for the polymer, each of which is determined by approximating in accordance with formula 1 from a radius of gyration