主权项 |
1. A film having a thickness of about 20.0 to about 100.0 μm, film comprising at least a Layer A comprising:
a. 50.0 to 100.0 wt. %, based on the weight of Layer A, of a first PE3-type polyethylene having a hafnium: zirconium (ppm/ppm) ratio>1.0, a CDBI<50%, and a g′vis≧0.98, and b. optionally, 1.0 to 50.0 wt. % of a polymer component selected from the group consisting of: i) a PE4-type polyethylene, ii) a PE5-type polyethylene, iii) a second PE3-type polyethylene, different from the first PE3-type polyethylene, having a density greater than 0.945 g/cm3, iv) a propylene-based polymer, and v) combinations thereof, the film having an MD Elmendorf Tear of 500.0 to about 1000.0 g/mil. |