abstract |
A composition of matter comprising: (a) 30 to 70 weight percent inclusive of a low molecular weight ethylene resin made using a chromium catalyst system said resin having a density of at least 0.955 grams per cubic centimeter, a melt index from 25 to 400 grams per 10 minutes, and a heterogeneity index between 2 and 35 inclusive; and (b) 30 to 70 weight percent inclusive of a high molecular weight ethylene copolymer resin made using a titanium catalyst system said resin having a density not greater than 0.955 grams per cubic centimeter, a high load melt index between 0.1 and 50 grams per 10 minutes inclusive, and a heterogeneity index between 2 and 10 inclusive; wherein said composition of matter has a melt index greater than 0.05 grams per 10 minutes. |