Patent ID: 9458312
Filing Date: 2016-10-04
CPC Classification: C08F,C08J,C08L,F16L

Claim Text:
1. A polyethylene composition comprising: 1) a density from 0.945-0.955 g/cm 2) a ratio MIF/MIP from 30-45, wherein the MIF is the melt flow index at 190° C. with a load of 21.6 kg, and the MIP is the melt flow index at 190° C. with a load of 5 kg, both determined according to ISO 1133; 3) a SIC Index from 1.0-2.5; 4) a Long Chain Branching index equal to or greater than 0.85; wherein the SIC Index is the Shear-Induced Crystallization Index, determined according to the following relation: where t wherein the polyethylene composition comprises a Charpy impact test resistance at 0° C. equal to or greater than 9.5 kJ/m