Producing polyolefin products
A polymerization catalyst system, a method of using the polymerization catalyst system, and a polymer produced with the catalyst system. The polymerization catalyst system has a non-metallocene catalyst and a metallocene catalyst. The metallocene catalyst has the formula: wherein R 1 and R 2 are each independently, phenyl, methyl, chloro, fluoro, or a hydrocarbyl group.
1. A polymerization catalyst system comprising:
a non-metallocene catalyst; and
a metallocene catalyst of the formula:
wherein R 1 and R 2 are each independently, phenyl, methyl, chloro, fluoro, or a hydrocarbyl group.
2. The polymerization catalyst system of claim 1 , wherein the non-metallocene catalyst comprises a Group 15 metal-containing catalyst compound.
3. The polymerization catalyst system of claim 1 , wherein the non-metallocene catalyst comprises at least two Group 15 atoms, and wherein the non-metallocene comprises a Group 4 metal atom bound to at least one leaving group and also bound to the at least two Group 15 atoms.
4. The polymerization catalyst system of claim 1 , wherein the non-metallocene catalyst comprises a catalyst having the formula:
wherein M is a Group 3 to 12 transition metal or a Group 13 or 14 main group metal; each X is independently an anionic leaving group; y is 0 or 1; n is the oxidation state of M; m is the formal charge of the ligand represented by YZL or YZL′; L is a Group 15 or 16 element; L′ is a group 15 or 16 element or Group 14 containing group; Y is a Group 15 element; Z is a Group 15 element; R1 and R2 are independently a C1 to C20 hydrocarbon group, a heteroatom containing group having up to twenty carbon atoms, silicon, germanium, tin, lead, or phosphorus; R1 and R2 may be interconnected to each other; R3 is absent, a hydrocarbon group, hydrogen, a halogen, or a heteroatom containing group; R4 and R5 are independently an alky group, an aryl group, a substituted aryl group, a cyclic alkyl group, a substituted cyclic alkyl group, a cyclic aralkyl group, a substituted cyclic aralkyl group, or a multiple ring system; R4 and R5 may be interconnected to each other; R6 and R7 are independently absent, hydrogen, an alkyl group, a halogen, a heteroatom, or a hydrocarbyl group; and R* is absent, hydrogen, a Group 14 atom containing group, a halogen, or a heteroatom containing group.
5. The polymerization catalyst system of claim 1 , wherein the non-metallocene catalyst comprises a catalyst of the formula:
6. The polymerization catalyst system of claim 1 , wherein the non-metallocene catalyst and the metallocene catalyst are co-supported on a single support.
7. The polymerization catalyst of claim 6 , wherein at least a portion of the metallocene catalyst is added as a trim feed to the support.
8. The polymerization catalyst system of claim 1 , wherein the polymerization catalyst is a slurry mixture comprising a diluent.
9. The polymerization catalyst system of claim 1 , comprising another non-metallocene catalyst or another metallocene catalyst, or both.