Patent ID: 8927671
Filing Date: 2015-01-06
Classification: C08F

Abstract:
1. An ethylene-α-olefin copolymer comprising monomer units derived from ethylene and monomer units derived from an α-olefin having 3 to 20 carbon atoms, the ethylene-α-olefin copolymer satisfying the following requirements (A) to (E): (A) the melt flow rate is 0.1 to 50 g/10 min., wherein the melt flow rate is determined at a temperature of 190° C. and a load of 21.18 N in accordance with Method A provided in JIS K7210-1995, (B) the density is 860 to 970 kg/m (C) the ratio of the z-average molecular weight to the weight-average molecular weight is from 3.0 to 6.0, (D) the fraction of molecules of the ethylene-α-olefin copolymer having a molecular weight of 10 (E) the activation energy of flow is 60 to 90 kJ/mol.