POROUS POLYPROPYLENE RESIN FILM, CELL SEPARATOR, AND CELL

摘要

Proposed is a porous polypropylene resin film which comprises a polypropylene-based resin as the main component and in which the coefficient of static friction between the films is higher than that between the film and SUS. When used as a cell separator, the porous polypropylene resin film exhibits excellent slipperiness and workability.