Propylene-based multi-layer film for cell pouch, having excellent adhesive performance and moldability

Abstract

Disclosed is a specific stacked composition of a multi-layer film which is mainly used as a sealant layer of a cell pouch, has excellent adhesive performance, and simultaneously satisfies moldability in post-processing. The present invention provides a polypropylene-based multi-layer film including a skin layer including (a) a propylene-based binary copolymer, modified polyolefin, and (e) an anti-blocking agent, a core layer including (b1) an ethylene propylene block copolymer, and (c) an amorphous propylene rubber, and a seal layer including (a) a propylene-based binary copolymer, (b2) an ethylene propylene block copolymer, (d) a slip agent, and (e) an anti-blocking agent.

Dependencies are inferred from the claim text.