Catalysts for olefin polymerization

A catalyst composition comprising:

• a) a transition metal compound with the following formula:
• wherein:
• M is titanium, zirconium, or hafnium;
• the group
• is an anionic group selected from cyclodiphosphazanes, bis-phenoxides, N-alkoxy-β-ketoiminates, bis(phenoxy)diamides, diamidoamines, β-Diketonates, cyclodisilazanes, anilidoboranes, diamides, tridentate diamides, pyridine diamides, β-diketiminates, β-ketoiminates, amidinates, salicylaldiminates, substituted cyclodiphosphazanes, substituted bis-phenoxides, substituted N-alkoxy-β-ketoiminates, substituted bis(phenoxy)diamides, substituted diamidoamines, substituted β-Diketonates, substituted cyclodisilazanes, substituted anilidoboranes, substituted diamides, substituted tridentate diamides, substituted pyridine diamides, substituted β-diketiminates, substituted β-ketoiminates, substituted amidinates, substituted salicylaldiminates, and mixtures thereof;
• a is 1, 2, 3, or 4;
• (Z) and (Z′) are independently an aliphatic group, an aromatic group, a cyclic group, a combination of aliphatic and cyclic groups, an oxygen group, a sulfur group, a nitrogen group, a phosphorus group, an arsenic group, a carbon group, a silicon group, a germanium group, a tin group, a lead group, a boron group, an aluminum group, an inorganic group, an organometallic group, or a substituted derivative thereof, any one of which having from 1 to about 20 carbon atoms, or a halide;
• b is 0, 1 or 2, and c is 0, 1 or 2;
• L is selected from ethers, furans and nitrites;
• d is 0, 1, or 2;
• b) a chemically-treated solid oxide comprising a solid oxide treated with an electron-withdrawing anion;
• wherein the solid oxide is silica, alumina, silica-alumina, aluminum phosphate, heteropolytungstates, titania, zirconia, magnesia, boria, zinc oxide, mixed oxides thereof, or mixtures thereof, and
• the electron-withdrawing anion is, chloride, bromide, phosphate, triflate, bisulfate, sulfate, or any combination thereof;
• and optionally
• c) an organoaluminum compound with the following formula:
• Al(X5)n(X6)3-n;
• wherein (X5) is a hydrocarbyl having from 1 to about 20 carbon atoms;
• (X6) is an alkoxide or aryloxide, any one of which having from 1 to about 20 carbon atoms, halide, or hydride;
• and n is a number from 1 to 3, inclusive.

A catalyst composition comprising:

• a) a transition metal compound with the following formula:
• wherein;
• M is titanium, zirconium, or hafnium;
• X is independently nitrogen, oxygen, phosphorus or sulfur;
• Y is independently nitrogen, oxygen, phosphorus or sulfur;
• each substituent Rn on X or Y, is independently an aliphatic group, an aromatic group, a cyclic group, a combination of aliphatic and cyclic groups, or a substituted derivative thereof, any one of which having from 1 to about 20 carbon atoms;
• a divalent bridging group, E, connecting X and Y, comprising P(NR)2P,
• Ar(R)wCH2(R)wAr, Ar(R)wS(R)wAr, C2H4NC(R)CH(R)C, Ar(R)wCH2N(R)C2H4N(R)CH2Ar(R)w, C2H4NHC2H4, C2H4N(R)C2H4, Si(R)(NR)2(R)Si, C(R1)C(R2)C(R1), B(NR2)(NR2)B, C3H6, C2H4OC2H4, CH2(C5H3N)CH2, C(R2)C(R3)C(R2), C(R), or CHAr(R)w,
• wherein R, R1, R2, R3, or R′, is independently an alkyl, cycloalkyl, aryl, aralkyl, substituted alkyl, substituted aryl, or substituted aralkyl, any one of which having from 1 to about 20 carbon atoms, wherein Ar is an aromatic group and (R)w is independently an aliphatic group, an aromatic group, a cyclic group, a combination of aliphatic and cyclic groups, or a substituted derivative thereof, any one of which having from 1 to about 20 carbon atoms, and where w is from 0-5;
• a is 1, 2, 3, or 4;
• (Z) and (Z′) are independently an aliphatic group, an aromatic group, a cyclic group, a combination of aliphatic and cyclic groups, an oxygen group, a sulfur group, a nitrogen group, a phosphorus group, an arsenic group, a carbon group, a silicon group, a germanium group, a tin group, a lead group, a boron group, an aluminum group, an inorganic group, an organometallic group, or a substituted derivative thereof, any one of which having from 1 to about 20 carbon atoms;
• or a halide;
• b is 0, 1 or 2, and c is 0, 1 or 2;
• L is selected from ethers, furans and nitriles;
• d is 0, 1, or 2;
• b) a chemically-treated solid oxide comprising a solid oxide treated with an electron-withdrawing anion, wherein
• the solid oxide is silica, alumina, silica-alumina, aluminum phosphate, heteropolytungstates, titania, zirconia, magnesia, boria, zinc oxide, mixed oxides thereof, or mixtures thereof;
• and
• the electron-withdrawing anion is, chloride, bromide, phosphate, triflate, bisulfate, sulfate, or combinations thereof;
• and
• c) an organoaluminum compound with the following formula:
• Al(X5)n(X6)3-n;
• wherein (X5) is a hydrocarbyl having from 1 to about 20 carbon atoms;
• (X6) is an alkoxide or aryloxide, any one of which having from 1 to about 20 carbon atoms, halide, or hydride;
• and n is a number from 1 to 3, inclusive.