| 摘要 |
A multilayer film comprising a) a core layer comprising an ethylene polymer having a density of at least 0.925 grams per cubic centimeter; and b) two outer layers each comprising a blend of: i) 40 to 69% of an ethylene polymer having a density of at least 0.930 grams per cubic centimeter, and ii) 31 to 60% of an ethylene copolymer which is an ethylene/alpha-olefin copolymer; wherein at least one of said outer layers comprises less than 30% linear low density polyethylene; and said film has a tensile modulus of at least 414 MPa (60,000 psi) in the longitudinal direction, and at least 517 MPa (75,000 psi) in the transverse direction; or said film has a shrink force of less than 1.57 N (0.35 pounds) in the longitudinal direction and less than 1.33 N (0.30 pounds) in the transverse direction. The film offers beneficial properties for packaging applications. |
