Sterilized easily open heat sealable packaging film Stitches

摘要

1. The multilayer film, vklyuchayuschayaa. a first outer layer which is heat sealable, said first outer layer comprises the first polymer in an amount of from 95 to 100% by weight of the first outer layer, said first polymer derived from propylene and optionally one or more comonomers selected from the group consisting of ethylene and C -Calfa-olefin, said first polymer has a melting point of at least 125 ° C; b. an inner portion disposed next to the first outer layer, said inner portion comprising (i) from 5 to 80% by weight of the inner portion of the elastomeric propylene-based polymer; (Ii) from 30 to 70% by weight of the inner part of the random copolymer formed propylene and one or more additional comonomers selected from the group consisting of ethylene and C Salfit-olefin, and (iii) from 20 to 60% by weight of the inner of the second polymer wherein the second polymer is selected from the group consisting of high density polyethylene and low-density, high-density polyethylene, ethylene-acrylic acid copolymers, copolymers of ethylene and (meth) acrylic acid, and combinations thereof; c. optionally one or more additional layers and d. a second outer layer positioned such that the inner portion lies between the first outer layer and second outer layer, said second outer layer comprises a third polymer, wherein the third polymer is selected from the group consisting of propylene homopolymer, propylene random copolymer and impact copolymer of propylene, and smesey.2 them. The film of claim. 1, where the inner part comprises one or more separate layers consisting essentially of a second polymer and one or more otde