Ethylene polymer comprising moieties according to Formula IB: wherein R is a moiety comprising ≥1 and ≤10 carbon atoms; wherein R 1 and R 2 are each individually hydrogen or a moiety comprising ≥1 and ≤5 carbon atoms, R 1 and R 2 may be the same or different; wherein • the ethylene polymer has a molecular weight distribution defined as the ratio between the weight average molecular weight M w and the number average molecular weight M n, (M w /M n) as determined according to ISO 16014-1 of ≥ 3.0 and ≤ 40.0; • the ethylene polymer has a melting temperature as determined according to ISO 11357-3 at a heating rate of 10 K of ≥ 115 °C; • the ethylene polymer has a density as measured according to ISO 1183-1, method A of ≥ 935 and ≤ 960 kg/m 3; • the ethylene polymer is essentially free from chromium, hafnium, zirconium and tetrahydrofuran; • for the fraction of the ethylene polymer having a molecular weight > 100 kg/mol, the intrinsic viscosity of the ethylene polymer is related to the molecular weight according to the inequality: log ⁢ I. V. < 0.65 ∗ log ⁢ M − 3.10 wherein I.V. is the intrinsic viscosity, expressed in dl/g, of a fraction of the ethylene polymer having a molecular weight M, the molecular weight M expressed in kg/mol; wherein the molecular weight is determined via Size Exclusion Chromatography according to ISO 16014-1; and wherein the intrinsic viscosity is determined via differential viscometry of the fractions obtained from SEC, in accordance with ASTM D5225. wherein R is a moiety comprising ≥1 and ≤10 carbon atoms; wherein R 1 and R 2 are each individually hydrogen or a moiety comprising ≥1 and ≤5 carbon atoms, R 1 and R 2 may be the same or different; wherein • the ethylene polymer has a molecular weight distribution defined as the ratio between the weight average molecular weight M w and the number average molecular weight M n, (M w /M n) as determined according to ISO 16014-1 of ≥ 3.0 and ≤ 40.0; • the ethylene polymer has a melting temperature as determined according to ISO 11357-3 at a heating rate of 10 K of ≥ 115 °C; • the ethylene polymer has a density as measured according to ISO 1183-1, method A of ≥ 935 and ≤ 960 kg/m 3; • the ethylene polymer is essentially free from chromium, hafnium, zirconium and tetrahydrofuran; • for the fraction of the ethylene polymer having a molecular weight > 100 kg/mol, the intrinsic viscosity of the ethylene polymer is related to the molecular weight according to the inequality: log ⁢ I. V. < 0.65 ∗ log ⁢ M − 3.10 wherein I.V. is the intrinsic viscosity, expressed in dl/g, of a fraction of the ethylene polymer having a molecular weight M, the molecular weight M expressed in kg/mol; wherein the molecular weight is determined via Size Exclusion Chromatography according to ISO 16014-1; and wherein the intrinsic viscosity is determined via differential viscometry of the fractions obtained from SEC, in accordance with ASTM D5225. • the ethylene polymer has a molecular weight distribution defined as the ratio between the weight average molecular weight M w and the number average molecular weight M n, (M w /M n) as determined according to ISO 16014-1 of ≥ 3.0 and ≤ 40.0; • the ethylene polymer has a melting temperature as determined according to ISO 11357-3 at a heating rate of 10 K of ≥ 115 °C; • the ethylene polymer has a density as measured according to ISO 1183-1, method A of ≥ 935 and ≤ 960 kg/m 3; • the ethylene polymer is essentially free from chromium, hafnium, zirconium and tetrahydrofuran; • for the fraction of the ethylene polymer having a molecular weight > 100 kg/mol, the intrinsic viscosity of the ethylene polymer is related to the molecular weight according to the inequality: log ⁢ I. V. < 0.65 ∗ log ⁢ M − 3.10 wherein I.V. is the intrinsic viscosity, expressed in dl/g, of a fraction of the ethylene polymer having a molecular weight M, the molecular weight M expressed in kg/mol; wherein the molecular weight is determined via Size Exclusion Chromatography according to ISO 16014-1; and wherein the intrinsic viscosity is determined via differential viscometry of the fractions obtained from SEC, in accordance with ASTM D5225. wherein I.V. is the intrinsic viscosity, expressed in dl/g, of a fraction of the ethylene polymer having a molecular weight M, the molecular weight M expressed in kg/mol; wherein the molecular weight is determined via Size Exclusion Chromatography according to ISO 16014-1; and wherein the intrinsic viscosity is determined via differential viscometry of the fractions obtained from SEC, in accordance with ASTM D5225.