PACKAGING MATERIAL HAVING EXCELLENT SEAL PACKAGING PROPERTY

摘要

A packaging material having an excellent seal packaging property, which comprises (A) a base layer consisting of a stretched film of a polymer composition comprising a propylene polymer and (B) a surface layer consisting of a stretched film of a polymeric mixture comprising a polymer blend and a low molecular weight thermoplastic resin in a weight proportion of 75 : 25 to 97 : 3 provided on at least one surface of said base layer, said polymer blend comprising a copolymer of ethylene and propylene and a copolymer of butene and any other polymerizable monomer having an ethylenic unsaturation in a weight proportion of 5 : 95 to 95 : 5.