JP6538703B2 - ポリエチレンの生成方法及びそのポリエチレン - Google Patents
ポリエチレンの生成方法及びそのポリエチレン Download PDFInfo
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- JP6538703B2 JP6538703B2 JP2016550620A JP2016550620A JP6538703B2 JP 6538703 B2 JP6538703 B2 JP 6538703B2 JP 2016550620 A JP2016550620 A JP 2016550620A JP 2016550620 A JP2016550620 A JP 2016550620A JP 6538703 B2 JP6538703 B2 JP 6538703B2
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- catalyst
- reactor
- polyethylene
- polymerization
- polymer
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- -1 polyethylene Polymers 0.000 title claims description 219
- 239000004698 Polyethylene Substances 0.000 title claims description 149
- 229920000573 polyethylene Polymers 0.000 title claims description 149
- 238000004519 manufacturing process Methods 0.000 title description 11
- 239000003054 catalyst Substances 0.000 claims description 414
- 238000000034 method Methods 0.000 claims description 99
- 238000006116 polymerization reaction Methods 0.000 claims description 97
- 150000001875 compounds Chemical class 0.000 claims description 93
- 239000002002 slurry Substances 0.000 claims description 84
- 239000000203 mixture Substances 0.000 claims description 82
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 61
- 239000005977 Ethylene Substances 0.000 claims description 61
- 239000001257 hydrogen Substances 0.000 claims description 52
- 229910052739 hydrogen Inorganic materials 0.000 claims description 52
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 43
- 238000009826 distribution Methods 0.000 claims description 40
- 238000010828 elution Methods 0.000 claims description 15
- 239000000155 melt Substances 0.000 claims description 10
- 230000000379 polymerizing effect Effects 0.000 claims description 10
- 239000000376 reactant Substances 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 168
- 239000000243 solution Substances 0.000 description 59
- 239000012190 activator Substances 0.000 description 43
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- 125000004429 atom Chemical group 0.000 description 30
- 239000003446 ligand Substances 0.000 description 27
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- 239000002184 metal Substances 0.000 description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 23
- 125000000217 alkyl group Chemical group 0.000 description 23
- 239000007789 gas Substances 0.000 description 23
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 22
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- 125000004432 carbon atom Chemical group C* 0.000 description 15
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- 125000004122 cyclic group Chemical group 0.000 description 13
- CPOFMOWDMVWCLF-UHFFFAOYSA-N methyl(oxo)alumane Chemical compound C[Al]=O CPOFMOWDMVWCLF-UHFFFAOYSA-N 0.000 description 13
- 229910052760 oxygen Inorganic materials 0.000 description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 12
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- 125000003118 aryl group Chemical group 0.000 description 11
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- 125000001424 substituent group Chemical group 0.000 description 11
- 229910052732 germanium Inorganic materials 0.000 description 10
- 239000002685 polymerization catalyst Substances 0.000 description 10
- 229920000098 polyolefin Polymers 0.000 description 10
- 239000012041 precatalyst Substances 0.000 description 10
- 229910052710 silicon Inorganic materials 0.000 description 10
- 239000000654 additive Substances 0.000 description 9
- 125000000058 cyclopentadienyl group Chemical group C1(=CC=CC1)* 0.000 description 9
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- 150000002431 hydrogen Chemical class 0.000 description 9
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 9
- 239000000377 silicon dioxide Substances 0.000 description 9
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- 238000005227 gel permeation chromatography Methods 0.000 description 8
- 229930195733 hydrocarbon Natural products 0.000 description 8
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- 150000001335 aliphatic alkanes Chemical class 0.000 description 7
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
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- 230000000996 additive effect Effects 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 6
- 239000000969 carrier Substances 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 229910052726 zirconium Inorganic materials 0.000 description 6
- 239000004711 α-olefin Substances 0.000 description 6
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
- 239000012876 carrier material Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 5
- 150000003254 radicals Chemical class 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 description 4
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 229940083916 aluminum distearate Drugs 0.000 description 4
- RDIVANOKKPKCTO-UHFFFAOYSA-K aluminum;octadecanoate;hydroxide Chemical compound [OH-].[Al+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O RDIVANOKKPKCTO-UHFFFAOYSA-K 0.000 description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 4
- 150000007942 carboxylates Chemical class 0.000 description 4
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006353 environmental stress Effects 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 229910052735 hafnium Inorganic materials 0.000 description 4
- 150000004678 hydrides Chemical class 0.000 description 4
- 229910052809 inorganic oxide Inorganic materials 0.000 description 4
- 230000000670 limiting effect Effects 0.000 description 4
- 239000002480 mineral oil Substances 0.000 description 4
- 235000010446 mineral oil Nutrition 0.000 description 4
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910052719 titanium Inorganic materials 0.000 description 4
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 4
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 4
- 125000006710 (C2-C12) alkenyl group Chemical group 0.000 description 3
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Natural products C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 3
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- VXMDASHPMJSFJT-UHFFFAOYSA-N C(CCC)C1(C=CC=C1)[Zr]C1(C=CC=C1)CCCC Chemical compound C(CCC)C1(C=CC=C1)[Zr]C1(C=CC=C1)CCCC VXMDASHPMJSFJT-UHFFFAOYSA-N 0.000 description 3
- 125000000882 C2-C6 alkenyl group Chemical group 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
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- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 3
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- 230000001186 cumulative effect Effects 0.000 description 3
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 3
- 238000013461 design Methods 0.000 description 3
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- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 3
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- GBXQPDCOMJJCMJ-UHFFFAOYSA-M trimethyl-[6-(trimethylazaniumyl)hexyl]azanium;bromide Chemical compound [Br-].C[N+](C)(C)CCCCCC[N+](C)(C)C GBXQPDCOMJJCMJ-UHFFFAOYSA-M 0.000 description 3
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- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 2
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- 125000004642 (C1-C12) alkoxy group Chemical group 0.000 description 1
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- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
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Classifications
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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- C08J5/18—Manufacture of films or sheets
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
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- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F17/00—Metallocenes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/34—Polymerisation in gaseous state
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/02—Ethene
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
- C08F210/18—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers with non-conjugated dienes, e.g. EPT rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
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- C08F4/6432—Component of C08F4/64 containing at least two different metals
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- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65904—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with another component of C08F4/64
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/72—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from metals not provided for in group C08F4/44
- C08F4/74—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from metals not provided for in group C08F4/44 selected from refractory metals
- C08F4/76—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from metals not provided for in group C08F4/44 selected from refractory metals selected from titanium, zirconium, hafnium, vanadium, niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/08—Butenes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F210/14—Monomers containing five or more carbon atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
- C08F2410/01—Additive used together with the catalyst, excluding compounds containing Al or B
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
- C08F2410/02—Anti-static agent incorporated into the catalyst
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Description
本出願は、次の番号を有する米国仮特許出願、すなわち、2014年2月11日出願のChing−Tai Lue等による第61/938,466号(2014U002.PRV)、2014年2月11日出願のChing−Tai Lue等による第61/938,472号(2014U003.PRV)、2014年4月18日出願のFrancis C.Rix等による第61/981,291号(2014U010.PRV)、2014年4月28日出願のFrancis C.Rix等による第61/985,151号(2014U012.PRV)、2014年8月1日出願のSun−Chueh Kao等による第62/032,383号(2014U018.PRV)、2014年12月5日出願のFrancis C.Rix等による第62/087,905号(2014U035.PRV)、2014年12月5日出願のDaniel P.Zilker,Jr.等による第62/088,196号(2014U036.PRV)、2014年12月5日出願のChing−Tai Lue等による第62/087,911号(2014U037.PRV)、及び2014年12月5日出願のFrancis C.Rix等による第62/087,914号(2014U038.PRV)の利益を主張するものであり、これらの開示は、参照によりそれらの全体が本明細書に組み込まれる。
メタロセン触媒化合物
メタロセン触媒化合物は、少なくとも1つの第3族〜第12族の金属原子、及び少なくとも1つの金属原子に結合された1つ以上の脱離基(複数可)に結合された1つ以上のCp配位子(シクロペンタジエニル及びシクロペンタジエニルにイソローバルな配位子)を有する「ハーフサンドイッチ」及び/または「フルサンドイッチ」化合物を含み得る。本明細書で使用されるとき、元素の周期表及びその族に対する全ての参照は、ローマ数字で注記される以前のIUPAC形態に対して参照がなされない限り(同書に表示される)、または別途記載されない限り、HAWLEY´S CONDENSED CHEMICAL DICTIONARY,Thirteenth Edition,John Wiley & Sons,Inc.(1997)(IUPACの許可によりそこに再現される)に公表されるNEW NOTATIONに対してである。
CpACpBMXn,
CpA(A)CpBMXn.
触媒系は、1つ以上の第15族の金属含有触媒化合物を含み得る。本明細書で使用されるように、非メタロセン触媒化合物と呼ばれるものがある。第15族の金属含有化合物は、一般的に、第3〜14族の金属原子、第3〜7族、または第4〜6族の金属原子を含む。多くの実施形態では、第15族の金属含有化合物は、少なくとも1つの脱離基に結合され、また少なくとも2個の第15族原子にも結合され、そのうちの少なくとも1個が別の基を介して第15または16族原子にも結合される、第4族金属原子を含む。
触媒系は、初期触媒化合物を有し得るスラリー中に触媒または触媒構成成分、及びスラリーに添加される添加溶液触媒構成成分を含み得る。一般に、第1のメタロセン触媒は、溶解度により、初期スラリー中で担持される。しかしながら、いくつかの実施形態では、初期触媒構成成分スラリーは触媒を有しない場合がある。この場合、2つ以上の溶液触媒をスラリーに添加して、各々を担持させることができる。
本明細書で使用されるとき、用語「担体」及び「キャリア」は、互換的に使用され、タルク、無機酸化物、及び無機塩化物などの多孔質担体材料を含む、あらゆる担体材料を指す。スラリーの1つ以上のシングルサイト触媒化合物は、活性化剤と一緒に同一または別個の担体上で担持され得るか、または活性化剤は非担持形態で使用され得るか、またはシングルサイト触媒化合物とは異なる担体上に付着され得るか、またはこれらの任意の組み合わせであってよい。これは、当該技術分野において一般的に使用される任意の技術により実現することができる。当該技術分野において、シングルサイト触媒化合物を担持するための様々な他の方法がある。例えば、シングルサイト触媒化合物は、ポリマー結合配位子を含有することができる。スラリーのシングルサイト触媒化合物は、噴霧乾燥され得る。シングルサイト触媒化合物を用いた担体は官能化され得る。
本明細書で使用されるとき、用語「活性化剤」は、触媒構成成分のカチオン種を作製するなどによってシングルサイト触媒化合物または構成成分を活性化することができる、担持または非担持された、任意の化合物または化合物の組み合わせを指す場合がある。例えば、これは、シングルサイト触媒化合物/構成成分の金属中心からの少なくとも1つの脱離基(本明細書に記載のシングルサイト触媒化合物中の「X」基)の引抜を含み得る。活性化剤は、「共触媒」とも称される場合がある。
触媒構成成分溶液は、メタセロン等の触媒化合物のみを含むか、または触媒化合物に加えて、活性化剤を含み得る。トリムプロセスにおいて使用される触媒溶液は、触媒化合物及び任意の活性化剤を液体溶媒中に溶解することにより調製され得る。液体溶媒は、C5〜C30アルカンまたはC5〜C10アルカンなどのアルカンであり得る。シクロヘキサンなどの環状アルカン及びトルエンなどの芳香族化合物も使用され得る。加えて、鉱油が溶媒として使用され得る。採用される溶液は、重合の条件下で液体であり、比較的不活性でなくてはならない。一実施形態では、触媒化合物溶液に利用される液体は、触媒構成成分スラリーにおいて使用される希釈剤とは異なる。別の実施形態では、触媒化合物溶液に利用される液体は、触媒構成成分溶液において使用される希釈剤と同じである。
気相ポリエチレン生成プロセスにおいて、反応器中の静電気レベルの調節に役立つ1つ以上の静電気制御剤を使用することが望ましい場合がある。本明細書で使用される静電気制御剤は、流動床反応器内に導入されたとき、流動床の静電荷(負、正、またはゼロ)に影響を及ばす、またはそれを動かすことができる化学組成物である。使用される特定の背電気制御剤は静電荷の性質に依存し得、静電気制御剤の選択は、生成されるポリマー及び使用されるシングルサイト触媒化合物により変動し得る。
−(CH2−CH2−NH)n−
図2は、気相反応器系200の概略図であり、少なくとも2つの触媒の添加を示し、そのうちの少なくとも1つはトリム触媒として添加される。触媒構成成分スラリー、好ましくは少なくとも1つの担体及び少なくとも1つの活性化剤、少なくとも1つの担持活性化剤、及び任意の触媒化合物を含む鉱油スラリーは、槽または触媒ポット(cat pot)202に設置され得る。一実施形態では、触媒ポット202は、固体濃度を均質に保つように設計された攪拌保持タンクである。好ましくは溶媒と少なくとも1つの触媒化合物及び/または活性化剤とを混合することによって調製された触媒構成成分溶液は、トリムポット204と呼ばれ得る別の槽に設置される。次に、触媒構成成分スラリーは、触媒構成成分溶液とインラインで混合されて最終触媒組成物を形成し得る。シリカ、アルミナ、フュームドシリカ、または任意の他の粒子状物質などの核形成剤206は、インラインでスラリー及び/もしくは溶液に、または槽202もしくは204に添加され得る。同様に、追加の活性化剤または触媒化合物がインラインで添加され得る。例えば、異なる触媒を含む第2の触媒スラリーは、第2の触媒ポットから導入され得る。2つの触媒スラリーは、トリムポットからの溶液触媒を添加して、または添加することなく触媒系として使用され得る。
生成物ポリマーの特性は、上述の溶液、スラリー、及びいずれの任意の添加材料(核形成剤、触媒化合物、活性化剤等)の混合のタイミング、温度、濃度、ならびに順序を調整することにより制御され得る。MWD、MI、密度、MFR、各触媒によって生成されたポリマーの相対量、及び生成されたポリマーの特性は、プロセスパラメータを操作することによっても変更することができる。重合系中の水素濃度の操作、重合系中の第1の触媒の量の変更、重合系中の第2の触媒の量の変更を含む、任意の数のプロセスパラメータが調整され得る。調整され得る他のプロセスパラメータは、重合プロセスにおける触媒の相対比を変更すること(及び任意に、安定した、または一定のポリマー生成速度を維持するために、それらの個々の供給速度を調整すること)を含む。反応器222中の反応物の濃度は、プロセスから引き抜かれる、もしくはパージされる液体またはガスの量を変更する、重合プロセスに戻される回収した液体及び/もしくは回収したガスの量及び/または組成を変更することにより調整することができ、回収した液体または回収したガスは、重合プロセスから排出されたポリマーから回収され得る。更に、調整され得る濃度パラメータを含むプロセスパラメータは、重合温度の変更、重合プロセスにおけるエチレン分圧の変更、重合プロセスにおけるエチレンのコモノマーに対する比率の変更、活性化配列における活性化剤の遷移金属に対する比率の変更を含む。スラリーまたは溶液の相対供給速度の変更、インラインでのスラリー及び溶液の混合の混合時間、温度、及びまたは程度の変更、異なる種類の活性化剤化合物の重合プロセスへの添加、ならびに酸素もしくはフルオロベンゼンまたは他の触媒毒の重合プロセスへの添加などの時間依存パラメータが調整され得る。これらの調整の任意の組み合わせは、最終ポリマー生成物の特性を制御するために使用され得る。
触媒系は、1つ以上のオレフィンを重合して、そこから1つ以上のポリマー生成物をもたらすために使用され得る。高圧、溶液、スラリー、及び/または気相重合プロセスを含むが、これらに限定されない、任意の好適な重合プロセス使用され得る。気相重合以外の他の技術を使用する実施形態では、図2に関して論じられるものと類似する触媒添加系の修正物が使用され得る。例えば、トリム系は、ポリエチレンコポリマーを生成するためのループスラリー反応器に触媒を供給するために使用され得る。
実験ポリマーと市場の競合生成物を比較するために交差分別(CFC)を用いて、MWD及びSCBDの両方の組成情報を決定するための新しい技術が開発された。Tw1、Tw2、Mw1、及びMw2の値は、機器のソフトウェアから報告されるときのCFCデータファイルから導かれ得る。CFCデータファイルの「画分の要約」のセクションにおいて、各画分は、その基準化された重量%値(Wi)、累積重量%、即ち、合計重量、及び分子量平均の様々な積率(Mwiを含む)と共に、その分別温度(Ti)により列記される。
例において、交差分別クロマトグラフィー(CFC)は、Polymer Char,Valencia,SpainのCFC−2機器で行われた。機器は、機器と一緒に提供されたCFCユーザマニュアルに記載される方法または当該技術分野において一般的に使用される方法に従い、動作され、後続のデータ処理、例えば、パラメータの平滑化、ベースラインの設定、及び積分範囲の定義付けが行われた。機器には、一次元目ではTREFカラム(ステンレススチール;o.d.,3/8インチ;長さ15cm;パッキン、非多孔質ステンレススチールマイクロボール)、そして二次元目ではGPCカラムセット(3×PLgel 10μm Mixed B column from Polymer Labs,UK)が装備された。GPCカラムからの下流は、溶液中のポリマーの濃度に比例する吸光度シグナルを生成することができる赤外線検出器(Polymer CharのIR4)であった。
[1]
ポリエチレンの生成方法であって、
反応器中で、触媒系の存在下でエチレンを重合してポリエチレンを形成することであって、前記触媒系が、第1の触媒及び第2の触媒を含む、形成することと、
前記ポリエチレンの標的メルトフロー比(MFR)ならびに分子量分布(MWD)及び組成分布(CD)の所望の組み合わせに基づいて前記ポリエチレンのメルトインデックス(MI)及び密度を制御するために、反応器条件及び前記反応器に供給される前記第2の触媒の量を調整することと、を含む、前記方法。
[2]
反応器条件を調整することが、前記反応器の動作温度を調整することを含む、上記[1]に記載の前記方法。
[3]
反応器条件を調整することが、前記反応器内の重合混合物中のコモノマー濃度を調整することを含む、上記[1]に記載の前記方法。
[4]
反応器条件を調整することが、前記反応器内の重合混合物中の水素濃度を調整することを含む、上記[1]に記載の前記方法。
[5]
反応器条件を調整することが、前記ポリエチレンのMFR範囲にわたって前記ポリエチレンのMI標的と一致するように、前記反応器内の重合混合物中の反応物濃度を調整することを含む、上記[1]に記載の前記方法。
[6]
反応器条件を調整することが、前記ポリエチレンのMFR範囲にわたって前記ポリエチレンの密度標的と一致するように、前記反応器内の重合混合物中の反応物濃度を調整することを含む、上記[1]に記載の前記方法。
[7]
前記第1の触媒が、ビス(n−プロピルシクロペンタジエニル)ハフニウムジメチルを含む、上記[1]に記載の前記方法。
[8]
前記第2の触媒が、ジ(1−エチルインデニル)ジルコニウムジメチルを含む、上記[1]に記載の前記方法。
[9]
トリム触媒として前記第2の触媒を、前記反応器に供給された前記第1の触媒を有するスラリーに添加することを含む、上記[1]に記載の前記方法。
[10]
前記第1の触媒及び前記第2の触媒を単一担体上に含浸することを含み、前記触媒系が、共通担持触媒系を含む、上記[1]に記載の前記方法。
[11]
第1の触媒が、前記エチレンの、前記ポリエチレンの高分子量部分への重合を促進し、前記第2の触媒が、前記エチレンの、前記ポリエチレンの低分子量部分への重合を促進する、上記[1]に記載の前記方法。
[12]
前記ポリエチレンが、30超のMFRを有する、上記[1]に記載の前記方法。
[13]
前記ポリエチレンが、40超のMFRを有する、上記[1]に記載の前記方法。
[14]
前記ポリエチレンが、
少なくとも約2.0のMw1/Mw2の値であって、Mw1/Mw2が、昇温溶出(TREF)曲線の第1半分の重量平均分子量(Mw)対前記TREF曲線の第2半分のMwの比率である、Mw1/Mw2の値、及び
約−15℃未満のTw1−Tw2の値であって、Tw1−Tw2が、前記TREF曲線の第1半分の重量平均溶出温度(Tw)対前記TREF曲線の第2半分のTwの差である、Tw1−Tw2の値を有する、上記[1]に記載の前記方法。
[15]
前記ポリエチレンのMIが、0.5〜1.0dg/分の範囲である、上記[1]に記載の前記方法。
[16]
前記ポリエチレンの密度が、0.916〜0.926g/cm 3 の範囲である、上記[1]に記載の前記方法。
[17]
ポリエチレンであって、
重合反応器内で第1の触媒及び第2の触媒を含む重合触媒系を介して、かつ
標的メルトフロー比(MFR)ならびに所望のMWD及びCDの組み合わせに基づいて前記ポリエチレンのメルトインデックス(MI)及び密度を制御するために、前記重合反応器の動作条件、及び前記重合反応器に供給される前記第2の触媒の量を調整することにより形成される、ポリエチレンを含む、ポリマー。
[18]
前記ポリエチレンが、エチレンと4〜20個の炭素原子を有するαオレフィンコモノマーとのコポリマーを含む、上記[17]に記載の前記ポリマー。
[19]
前記αオレフィンコモノマーが、1−ヘキセンを含む、上記[18]に記載の前記ポリマー。
[20]
前記ポリエチレンが、分子量(Mw)に関して二峰性のポリエチレンを含む、上記[17]に記載の前記ポリマー。
[21]
前記ポリエチレンのMIが、0.1〜5.0dg/分の範囲である、上記[17]に記載の前記ポリマー。
[22]
前記ポリエチレンの密度が、0.912〜0.940g/cm 3 の範囲である、上記[17]に記載の前記ポリマー。
[23]
動作条件を調整することが、前記重合反応器の動作温度を調整すること、前記重合反応器内の重合混合物中のコモノマー濃度を調整すること、もしくは前記重合反応器内の重合混合物中の水素濃度を調整すること、またはこれらの任意の組み合わせを含む、上記[17]に記載の前記ポリマー。
[24]
動作条件を調整することが、前記ポリエチレンの所与のMFR範囲で前記ポリエチレンのMI標的または密度標的と一致するように、前記重合反応器内の混合物の反応物濃度を調整することを含む、上記[17]に記載の前記ポリマー。
[25]
前記第1の触媒が、ビス(n−プロピルシクロペンタジエニル)ハフニウムジメチルを含む、上記[17]に記載の前記ポリマー。
[26]
前記第2の触媒が、ジ(1−エチルインデニル)ジルコニウムジメチルを含む、上記[1]に記載の前記ポリマー。
[27]
前記触媒系が、共通担持触媒系を含む、上記[1]に記載の前記ポリマー。
[28]
前記2の触媒の少なくとも一部が、トリム触媒である、上記[1]に記載の前記ポリマー。
[29]
前記第2の触媒が、前記エチレンの、前記ポリエチレンの高分子量部分への重合を促進する、上記[1]に記載の前記方法。
[30]
前記第1の触媒が、前記エチレンの、前記ポリエチレンの低分子量部分への重合を促進する、上記[1]に記載の前記ポリマー。
[31]
反応器中で、エチレンの、ポリエチレンへの重合を促進するための、第1の触媒及び第2の触媒を含む重合触媒系であって、反応器条件及び前記反応器に供給される前記第2の触媒の量に関して、前記ポリエチレンの標的メルトフロー比(MFR)ならびに前記ポリエチレンの所望のMWD×CDの組み合わせに基づいて前記ポリエチレンのメルトインデックス(MI)及び密度を制御するように構成される、前記重合触媒系。
[32]
前記第1の触媒が、ビス(n−プロピルシクロペンタジエニル)ハフニウムジメチルを含む、上記[31]に記載の前記重合触媒系。
[33]
前記第2の触媒が、ジ(1−エチルインデニル)ジルコニウムジメチルを含む、上記[31]に記載の前記重合触媒系。
[34]
前記触媒系が、共通担持触媒系を含む、上記[31]に記載の前記重合触媒系。
[35]
前記第2の触媒が、トリム触媒である、上記[31]に記載の前記重合触媒系。
[36]
前記第1の触媒が、前記エチレンの、前記ポリエチレンの高分子量部分への重合を促進する、上記[31]に記載の前記重合触媒系。
[37]
前記第2の触媒が、前記エチレンの、前記ポリエチレンの低分子量部分への重合を促進する、上記[31]に記載の前記重合触媒系。
[38]
ポリエチレンの生成方法であって、
反応器中で、触媒系の存在下でエチレンを重合してポリエチレンを形成することであって、前記触媒系が、第1の触媒及び第2の触媒を含む、形成することと、
前記ポリエチレンの密度及びメルトインデックス(MI)を維持しながら、前記ポリエチレンの様々なメルトフロー比(MFR)を得るために、反応器温度、反応器水素濃度、反応器コモノマー濃度、及び前記反応器に供給される前記第2の触媒の量を調整することと、を含む、前記方法。
[39]
前記反応器に供給される前記第2の触媒の量が、触媒トリム比を含む、上記[38]に記載の前記方法。
[40]
前記第1の触媒が、前記エチレンの、前記ポリエチレンの高分子量部分への重合を促進し、前記第2の触媒が、前記エチレンの、前記ポリエチレンの低分子量部分への重合を促進する、上記[38]に記載の前記方法。
[41]
MIの制御が、MFRの制御から実質的に分離される、上記[38]に記載の前記方法。
[42]
前記反応器水素濃度が、前記反応器中の水素対エチレンの比率を含み、それが、MIの主な制御変数である、上記[38]に記載の前記方法。
[43]
前記反応器中のコモノマー対エチレンの比率が、前記密度の主な制御変数である、上記[38]に記載の前記方法。
[44]
前記反応器温度、及び触媒トリム比を含む前記反応器に供給される前記第2の触媒の量が、前記MFRの主要制御変数である、上記[38]に記載の前記方法。
[45]
前記MFRが、20〜45の範囲であり、前記密度が、0.912〜0.940g/cm 3 の範囲である、上記[38]に記載の前記方法。
[46]
前記MFRが、20〜60の範囲であり、前記密度が、0.912〜0.940g/cm 3 の範囲である、上記[38]に記載の前記方法。
[47]
前記MIが、0.1dg/10分〜100dg/10分の範囲である、上記[38]に記載の前記方法。
[48]
ポリエチレンの生成方法であって、
反応器中で、触媒系の存在下でエチレンを重合してポリエチレンを形成することであって、前記触媒系が、第1の触媒及び第2の触媒を含む、形成することと、
第1の密度及び第1のメルトインデックス(MI)を有する前記ポリエチレンの第1のMFRを得るために、前記反応器の第1の温度、及び第2の触媒対第1の触媒の第1の比率を指定することと、
前記第1の密度及び前記第1のMIを有する前記ポリエチレンの前記第1のMFRとは異なる第2のMFRを得るために、前記反応器の第2の温度、及び第2の触媒対第1の触媒の第2の比率を指定することと、
前記第2のMFRを有する前記ポリエチレンの前記第1のMIを維持するために、前記反応器内の水素対エチレンの比率を調整することと、
前記第2のMFRを有する前記ポリエチレンの前記第1の密度を維持するために、前記反応器内のコモノマー対エチレンの比率を調整することと、を含む、前記方法。
[49]
前記第1の密度及び前記第1のMIを有する前記ポリエチレンの前記第1のMFR及び前記第2のMFRとは異なる第3のMFRを得るために、前記反応器の第3の温度、及び第2の触媒対第1の触媒の第3の比率を指定することと、
前記第3のMFRを有する前記ポリエチレンの前記第1のMIを維持するために、前記反応器内の水素対エチレンの比率を調整することと、
前記第3のMFRを有する前記ポリエチレンの前記第1の密度を維持するために、前記反応器内のコモノマー対エチレンの比率を調整することと、を含む、上記[48]に記載の前記方法。
Claims (10)
- ポリエチレンの生成方法であって、
反応器中で、触媒系の存在下でエチレンを重合してポリエチレンを形成することと、
ただし、前記触媒系が、第1の触媒及び第2の触媒を含み、前記第1の触媒が、前記ポリエチレンの高分子量構成成分を生成し、前記第2の触媒が、前記ポリエチレンの低分子量構成成分を生成し、
前記第1の触媒は、重合反応器にスラリーで供給され、前記第2の触媒は、トリム触媒として前記反応器に供給される第1の触媒を含むスラリーに添加され、スラリー及び溶液が混合されて触媒組成物を形成した後での、触媒構成成分スラリー中の触媒化合物の、触媒構成成分溶液中の触媒化合物に対するモル比は、500:1〜1:500であり、
20〜60の範囲の標的メルトフロー比(MFR)に基づいて前記ポリエチレンのメルトインデックス(MI)及び密度を制御するために、反応器条件及び前記反応器に供給される前記第2の触媒の量を調整することと(ただし、前記MFRは、フローインデックスの比(I21/MI)であり、前記密度は、ASTM D−792に従って測定され、0.912〜0.940cm3の範囲である)
を含み、
前記ポリエチレンは、少なくとも2.0のMw1/Mw2の値を有し(ただし、Mw1/Mw2は、昇温溶出(TREF)曲線の第1半分の重量平均分子量(Mw1)と、前記TREF曲線の第2半分の重量平均分子量(Mw2)との比率である)、且つ、
−15℃未満のTw1−Tw2の値を有する(ただし、Tw1−Tw2は、前記TREF曲線の第1半分の重量平均溶出温度(Tw1)と、前記TREF曲線の第2半分の重量平均溶出温度(Tw2)との差である)、
前記方法。 - 反応器条件を調整することが、前記反応器の動作温度を調整することを含む、請求項1に記載の前記方法。
- 反応器条件を調整することが、前記反応器内の重合混合物中のコモノマー濃度を調整することを含む、請求項1に記載の前記方法。
- 反応器条件を調整することが、前記反応器内の重合混合物中の水素濃度を調整することを含む、請求項1に記載の前記方法。
- 反応器条件を調整することが、前記ポリエチレンのMFR範囲にわたって前記ポリエチレンのMI標的と一致するように、前記反応器内の重合混合物中の反応物濃度を調整することを含む、請求項1に記載の前記方法。
- 反応器条件を調整することが、前記ポリエチレンのMFR範囲にわたって前記ポリエチレンの密度標的と一致するように、前記反応器内の重合混合物中の反応物濃度を調整することを含む、請求項1に記載の前記方法。
- 前記第1の触媒が、ビス(n−プロピルシクロペンタジエニル)ハフニウムジメチルを含む、請求項1に記載の前記方法。
- 前記第2の触媒が、ジ(1−エチルインデニル)ジルコニウムジメチルを含む、請求項1に記載の前記方法。
- 前記第1の触媒及び前記第2の触媒を単一担体上に含浸することを含み、前記触媒系が、共通担持触媒系を含む、請求項1に記載の前記方法。
- ポリエチレンの生成方法であって、
反応器中で、触媒系の存在下でエチレンを重合してポリエチレンを形成することであって、前記触媒系が、第1の触媒及び第2の触媒を含み、
前記ポリエチレンの標的メルトフロー比(MFR)ならびに分子量分布(MWD)及び組成分布(CD)の所望の組み合わせに基づいて前記ポリエチレンのメルトインデックス(MI)及び密度を制御するために、反応器条件及び前記反応器に供給される前記第2の触媒の量を調整することと、を含み、
第1の触媒が、前記エチレンの、前記ポリエチレンの高分子量部分への重合を促進し、前記第2の触媒が、前記エチレンの、前記ポリエチレンの低分子量部分への重合を促進する、前記方法。
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