[미국특허]
Nano-linked metallocene catalyst compositions and their polymer products
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08F-004/6592
B01J-031/22
출원번호
US-0288353
(2011-11-03)
등록번호
US-8524626
(2013-09-03)
발명자
/ 주소
Murray, Rex E.
Jayaratne, Kumudini C.
Yang, Qing
Martin, Joel L.
출원인 / 주소
Chevron Phillips Chemical Company LP
대리인 / 주소
Merchant & Gould P.C.
인용정보
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74
초록▼
The present invention provides polymerization catalyst compositions employing novel dinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization and copolymerization of olefins are also prov
The present invention provides polymerization catalyst compositions employing novel dinuclear metallocene compounds. Methods for making these new dinuclear metallocene compounds and for using such compounds in catalyst compositions for the polymerization and copolymerization of olefins are also provided.
대표청구항▼
1. A catalyst composition comprising a contact product of at least one dinuclear metallocene compound and at least one activator-support, wherein the at least one dinuclear metallocene compound is: or a combination thereof. 2. The catalyst composition of claim 1, wherein the at least one activator-
1. A catalyst composition comprising a contact product of at least one dinuclear metallocene compound and at least one activator-support, wherein the at least one dinuclear metallocene compound is: or a combination thereof. 2. The catalyst composition of claim 1, wherein the at least one activator-support is fluorided alumina, chlorided alumina, bromided alumina, sulfated alumina, fluorided silica-alumina, chlorided silica-alumina, bromided silica-alumina, sulfated silica-alumina, fluorided silica-zirconia, chlorided silica-zirconia, bromided silica-zirconia, sulfated silica-zirconia, or any combination thereof. 3. The catalyst composition of claim 1, wherein the at least one activator-support comprises a solid oxide treated with an electron-withdrawing anion, wherein: the solid oxide is silica, alumina, silica-alumina, aluminum phosphate, heteropolytungstate, titania, zirconia, magnesia, boria, zinc oxide, any mixed oxide thereof, or any mixture thereof; andthe electron-withdrawing anion is fluoride, chloride, bromide, phosphate, triflate, bisulfate, sulfate, or any combination thereof. 4. The catalyst composition of claim 1, wherein the at least one activator-support further comprises a metal or metal ion, and wherein the metal or metal ion is zinc, nickel, vanadium, silver, copper, gallium, tin, tungsten, molybdenum, or any combination thereof. 5. The catalyst composition of claim 1, wherein the at least one activator-support comprises a clay mineral, a pillared clay, an exfoliated clay, an exfoliated clay gelled into another oxide matrix, a layered silicate mineral, a non-layered silicate mineral, a layered aluminosilicate mineral, a non-layered aluminosilicate mineral, or any combination thereof. 6. The catalyst composition of claim 1, further comprising at least one organoaluminum compound. 7. The catalyst composition of claim 6, wherein the at least one organoaluminum compound is trimethylaluminum, triethylaluminum, tri-n-propylaluminum, diethylaluminum ethoxide, tri-n-butylaluminum, diisobutylaluminum hydride, triisobutylaluminum, diethylaluminum chloride, or any combination thereof. 8. A process for polymerizing olefins, the process comprising contacting the catalyst composition of claim 1 with at least one olefin monomer and optionally at least one olefin comonomer under polymerization conditions to produce a polymer or copolymer. 9. The process of claim 8, wherein: the at least one olefin monomer comprises ethylene, propylene, or styrene, andthe at least one activator-support comprises a solid oxide treated with an electron-withdrawing anion. 10. The process of claim 8, wherein the process is conducted in a gas phase reactor, a slurry reactor, a solution reactor, or a combination thereof. 11. The process of claim 8, wherein the catalyst composition is contacted with ethylene and an olefin comonomer comprising 1-butene, 1-hexene, 1-octene, or a combination thereof. 12. The process of claim 11, wherein: the catalyst composition further comprises at least one organoaluminum compound; andthe at least one activator-support is fluorided alumina, chlorided alumina, bromided alumina, sulfated alumina, fluorided silica-alumina, chlorided silica-alumina, bromided silica-alumina, sulfated silica-alumina, fluorided silica-zirconia, chlorided silica-zirconia, bromided silica-zirconia, sulfated silica-zirconia, or any combination thereof. 13. A catalyst composition comprising a contact product of at least one dinuclear metallocene compound and at least one compound selected from at least one aluminoxane compound, at least one organozinc compound, at least one organoboron or organoborate compound, at least one ionizing ionic compound, or any combination thereof; wherein the at least one dinuclear metallocene compound is: or a combination thereof. 14. The catalyst composition of claim 13, wherein the composition comprises the contact product of at least one dinuclear metallocene compound and at least one aluminoxane compound, and wherein the at least one aluminoxane compound comprises: (a) a cyclic aluminoxane having the formula: wherein:R is a linear or branched alkyl having from 1 to 10 carbon atoms; andp is an integer from 3 to 20;(b) a linear aluminoxane having the formula: wherein:R is a linear or branched alkyl having from 1 to 10 carbon atoms; andq is an integer from 1 to 50;(c) a cage aluminoxane having the formula Rt5r+αRbr−αAl4rO3r, wherein:Rt is a terminal linear or branched alkyl group having from 1 to 10 carbon atoms;Rb is a bridging linear or branched alkyl group having from 1 to 10 carbon atoms; r is 3 or 4; andα is equal to nAl(3)−nO(2)+nO(4), wherein nAl(3) is the number of three coordinate aluminum atoms, nO(2) is the number of two coordinate oxygen atoms, and nO(4) is the number of 4 coordinate oxygen atoms; orany combination thereof. 15. The catalyst composition of claim 13, wherein the composition comprises the contact product of at least one dinuclear metallocene compound and at least one organoboron or organoborate compound, and wherein the at least one organoboron or organoborate compound is N,N-dimethylanilinium tetrakis(pentafluorophenyl)borate, lithium tetrakis-(pentafluorophenyl)borate, triphenylcarbenium tetrakis(pentafluorophenyl)borate, N,N-dimethylanilinium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate, triphenylcarbenium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate, tris(pentafluorophenyl)boron, tris[3,5-bis(trifluoromethyl)phenyl]boron, or any combination thereof. 16. The catalyst composition of claim 13, wherein the composition comprises the contact product of at least one dinuclear metallocene compound and at least one ionizing ionic compound, and wherein the at least one ionizing ionic compound is tri(n-butyl)ammonium tetrakis(p-tolyl)borate, tri(n-butyl)ammonium tetrakis(m-tolyl)borate, tri(n-butyl)ammonium tetrakis(2,4-dimethyl)borate, tri(n-butyl)ammonium tetrakis(3,5-dimethylphenyl)borate, tri(n-butyl)ammonium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate, tri(n-butyl)ammonium tetrakis(pentafluorophenyl)borate, N,N-dimethylanilinium tetrakis(p-tolyl)borate, N,N-dimethylanilinium tetrakis(m-tolyl)borate, N,N-dimethylanilinium tetrakis(2,4-dimethylphenyl)borate, N,N-dimethylanilinium tetrakis(3,5-dimethylphenyl)borate, N,N-dimethylanilinium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate, N,N-dimethylanilinium tetrakis(pentafluorophenyl)borate, triphenylcarbenium tetrakis(p-tolyl)borate, triphenylcarbenium tetrakis(m-tolyl)borate, triphenylcarbenium tetrakis(2,4-dimethylphenyl)borate, triphenylcarbenium tetrakis(3,5-dimethylphenyl)borate, triphenylcarbenium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate, triphenylcarbenium tetrakis(pentafluorophenyl)borate, tropylium tetrakis(p-tolyl)borate, tropylium tetrakis(m-tolyl)borate, tropylium tetrakis(2,4-dimethylphenyl)borate, tropylium tetrakis(3,5-dimethylphenyl)borate, tropylium tetrakis[3,5-bis(trifluoromethyl)phenyl]borate, tropylium tetrakis(pentafluorophenyl)borate, lithium tetrakis(pentafluorophenyl)borate, lithium tetraphenylborate, lithium tetrakis(p-tolyl)borate, lithium tetrakis(m-tolyl)borate, lithium tetrakis(2,4-dimethylphenyl)borate, lithium tetrakis(3,5-dimethylphenyl)borate, lithium tetrafluoroborate, sodium tetrakis(pentafluorophenyl)borate, sodium tetraphenylborate, sodium tetrakis(p-tolyl)borate, sodium tetrakis(m-tolyl)borate, sodium tetrakis(2,4-dimethylphenyl)borate, sodium tetrakis(3,5-dimethylphenyl)borate, sodium tetrafluoroborate, potassium tetrakis(pentafluorophenyl)borate, potassium tetraphenylborate, potassium tetrakis(p-tolyl)borate, potassium tetrakis(m-tolyl)borate, potassium tetrakis(2,4-dimethylphenyl)borate, potassium tetrakis(3,5-dimethylphenyl)borate, potassium tetrafluoroborate, lithium tetrakis(pentafluorophenyl)aluminate, lithium tetraphenylaluminate, lithium tetrakis(p-tolyl)aluminate, lithium tetrakis(m-tolyl)aluminate, lithium tetrakis(2,4-dimethylphenyl)aluminate, lithium tetrakis(3,5-dimethylphenyl)aluminate, lithium tetrafluoroaluminate, sodium tetrakis(pentafluorophenyl)aluminate, sodium tetraphenylaluminate, sodium tetrakis(p-tolyl)aluminate, sodium tetrakis(m-tolyl)aluminate, sodium tetrakis(2,4-dimethylphenyl)aluminate, sodium tetrakis(3,5-dimethylphenyl)aluminate, sodium tetrafluoroaluminate, potassium tetrakis(pentafluorophenyl)aluminate, potassium tetraphenylaluminate, potassium tetrakis(p-tolyl)aluminate, potassium tetrakis(m-tolyl)-aluminate, potassium tetrakis(2,4-dimethylphenyl)aluminate, potassium tetrakis (3,5-dimethylphenyl)aluminate, potassium tetrafluoroaluminate, or any combination thereof. 17. A process for polymerizing olefins, the process comprising contacting the catalyst composition of claim 13 with at least one olefin monomer and optionally at least one olefin comonomer under polymerization conditions to produce a polymer or copolymer. 18. The process of claim 17, wherein: the at least one olefin monomer comprises ethylene, propylene, or styrene, andthe catalyst composition comprises the contact product of at least one dinuclear metallocene compound and at least one aluminoxane compound. 19. The process of claim 17, wherein the process is conducted in a gas phase reactor, a slurry reactor, a solution reactor, or a combination thereof. 20. The process of claim 17, wherein the catalyst composition is contacted with ethylene and an olefin comonomer comprising 1-butene, 1-hexene, 1-octene, or a combination thereof. 21. The process of claim 20, wherein the catalyst composition comprises the contact product of at least one dinuclear metallocene compound and at least one aluminoxane compound.
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