Patent ID: 7572875

Claim:
A homopolymer or copolymer of ethylene having a melt index (MI) from about 0.3 to about 2.0 dg/min, a high load melt index (HLMI) to melt index ratio (HLMI/MI) from about 16.5 to about 25, a polydispersity index (M w /M n ) from about 2 to about 6, a CY-a parameter from about 0.45 to about 0.70, a MD Elmendorf tear resistance greater than about 150 g for a 1 mil blown film, a TD Elmendorf tear resistance greater than about 350 g for a 1 mil blown film, and a Dart impact strength greater than about 800 g for a 1 mil blown film.