| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a laminated porous film prevented from the formation of wrinkles, and obtained by laminating a covering layer by coating at least on one surface of a polyolefin-based resin porous film.SOLUTION: The method for producing the laminated porous film by laminating the covering layer by the coating at least on one surface of the polyolefin-based resin porous film includes allowing the surface at the side of the covering layer to contact a touch roll when winding the laminated porous film. |
