FIELD: packaging industry.
SUBSTANCE: film is a non-oriented film. It comprises at least three layers: one inner layer adjacent to two outer layers. The inner layer is formed from a composition comprising polymer based on ethylene with a density greater than or equal to 0.945 g/cm3, or a cyclic olefin copolymer. Each outer layer is independently formed from a composition comprising a polymer based on propylene. The inner layer has a thickness less than or equal to 25 percent of the total film thickness.
EFFECT: providing of a film having good characteristics of tearing resistance and barrier properties against moisture.
17 cl, 6 dwg, 2 tbl
Authors
Dates
2014-01-27—Published
2009-06-30—Filed