The present disclosure provides group 4-, i.e., zirconium- and hafnium-, containing catalyst compounds having an ether bridged anilide phenolate ligand. Catalyst compounds of the present disclosure can be asymmetric, having an electron donating side of the catalyst and an electron deficient side of the catalyst. In at least one embodiment, catalysts of the present disclosure provide catalyst activity values of 400,000 gP/mmolCat.Math.h.sup.1 or greater and polyolefins, such as polyethylene copolymers, having comonomer content of from about 3.5 wt % to 8.5 wt %, an Mn of about 15,000 g/mol to about 140,000 g/mol, an Mw of from about 100,000 g/mol to about 300,000 g/mol, and a Mw/Mn of from 1 to 2.5. Catalysts, catalyst systems, and processes of the present disclosure can provide polymers having comonomer content of from 7 wt % to 12 wt %, such as from 8 wt % to 10 wt %).

The present disclosure provides group 4-, i.e., zirconium- and hafnium-, containing catalyst compounds having an ether bridged anilide phenolate ligand. Catalyst compounds of the present disclosure can be asymmetric, having an electron donating side of the catalyst and an electron deficient side of the catalyst. In at least one embodiment, catalysts of the present disclosure provide catalyst activity values of 400,000 gP/mmolCat.Math.h.sup.1 or greater and polyolefins, such as polyethylene copolymers, having comonomer content of from about 3.5 wt % to 8.5 wt %, an Mn of about 15,000 g/mol to about 140,000 g/mol, an Mw of from about 100,000 g/mol to about 300,000 g/mol, and a Mw/Mn of from 1 to 2.5. Catalysts, catalyst systems, and processes of the present disclosure can provide polymers having comonomer content of from 7 wt % to 12 wt %, such as from 8 wt % to 10 wt %).

This invention relates to metallocene compounds represented by the formula:

##STR00001##

catalyst systems comprising said metallocene compound and an activator or a reaction product of the metallocene compound with the at least one activator, and polymerization processes using such metallocene compounds and activators, where Cp.sub.a and Cp.sub.b are optionally-substituted cyclopentadienyl rings; A is bridging group; q is zero or 1; Q is O, O(CR.sup.3R.sup.4).sub.m, (CR.sup.3R.sup.4).sub.mO, or (CR.sup.3R.sup.4).sub.m; m is 0 to 18; Z is (CR.sup.3R.sup.4).sub.2; LA is a Lewis acid; M is a transition metal; X.sup.1 and X.sup.2 are independently R.sup.5 or OR.sup.5; R.sup.1 and R.sup.2 are independently selected from optionally-substituted hydrocarbyl groups; R.sup.3 and R.sup.4 are independently selected from the group consisting of H, halogen, and an optionally-substituted hydrocarbyl group; and R.sup.5 is alkyl, aryl, perfluoroalkyl, or perfluoroaryl.

This invention relates to metallocene compounds represented by the formula:

##STR00001##

catalyst systems comprising said metallocene compound and an activator or a reaction product of the metallocene compound with the at least one activator, and polymerization processes using such metallocene compounds and activators, where Cp.sub.a and Cp.sub.b are optionally-substituted cyclopentadienyl rings; A is bridging group; q is zero or 1; Q is O, O(CR.sup.3R.sup.4).sub.m, (CR.sup.3R.sup.4).sub.mO, or (CR.sup.3R.sup.4).sub.m; m is 0 to 18; Z is (CR.sup.3R.sup.4).sub.2; LA is a Lewis acid; M is a transition metal; X.sup.1 and X.sup.2 are independently R.sup.5 or OR.sup.5; R.sup.1 and R.sup.2 are independently selected from optionally-substituted hydrocarbyl groups; R.sup.3 and R.sup.4 are independently selected from the group consisting of H, halogen, and an optionally-substituted hydrocarbyl group; and R.sup.5 is alkyl, aryl, perfluoroalkyl, or perfluoroaryl.

This invention relates to a process to polymerize olefins, particularly to produce ethylene polymers with internal unsaturation structures.

This invention relates to a process to polymerize olefins, particularly to produce ethylene polymers with internal unsaturation structures.

Ethylene-based polymers of this disclosure include an average g less than 0.86, where the average g is an intrinsic viscosity ratio determined by gel permeation chromatography using a triple detector; and a molecular weight tail quantified by an MWD area metric, A.sub.TAIL, and A.sub.TAIL is less than or equal to 0.04 as determined by gel permeation chromatography using a triple detector.

Ethylene-based polymers of this disclosure include an average g less than 0.86, where the average g is an intrinsic viscosity ratio determined by gel permeation chromatography using a triple detector; and a molecular weight tail quantified by an MWD area metric, A.sub.TAIL, and A.sub.TAIL is less than or equal to 0.04 as determined by gel permeation chromatography using a triple detector.

Ethylene-based polymers of this disclosure include a melt viscosity ratio (V.sub.0.1/V.sub.100) at 190 C. of at least 10, where V.sub.0.1 is the viscosity of the ethylene-based polymer at 190 C. at a shear rate of 0.1 radians/second, and V.sub.100 is the viscosity of the ethylene-based polymer at 190 C. at a shear rate of 100 radians/second; and a molecular weight tail quantified by an MWD area metric, A.sub.TAIL, and A.sub.TAIL is less than or equal to 0.04 as determined by gel permeation chromatography using a triple detector.

Ethylene-based polymers of this disclosure include a melt viscosity ratio (V.sub.0.1/V.sub.100) at 190 C. of at least 10, where V.sub.0.1 is the viscosity of the ethylene-based polymer at 190 C. at a shear rate of 0.1 radians/second, and V.sub.100 is the viscosity of the ethylene-based polymer at 190 C. at a shear rate of 100 radians/second; and a molecular weight tail quantified by an MWD area metric, A.sub.TAIL, and A.sub.TAIL is less than or equal to 0.04 as determined by gel permeation chromatography using a triple detector.