| 摘要 |
The present invention relates to a laminated film for packaging retort food, having improved puncture resistance and discoloration resistance, the laminated film comprising: a polypropylene base resin layer; and a composite composition layer formed on one surface of the base resin layer, wherein the composite composition layer contains, on the basis of 100 parts by weight of a polypropylene resin, 5 to 40 parts by weight of a norbornene-based cyclic polyolefin, 0.5 to 20 parts by weight of a polyolefin-based rubber or a polyolefin-based elastomer, 0.1 to 5 parts by weight of a puncture resistant composition, 1 to 20 parts by weight of inorganic nanoparticles, and 0.1 to 5 parts by weight of a silane-based compound. |
