ES2634440T3 - Procedimiento de polimerización de polietileno en disolución a alta temperatura - Google Patents
Procedimiento de polimerización de polietileno en disolución a alta temperatura Download PDFInfo
- Publication number
- ES2634440T3 ES2634440T3 ES12169643.9T ES12169643T ES2634440T3 ES 2634440 T3 ES2634440 T3 ES 2634440T3 ES 12169643 T ES12169643 T ES 12169643T ES 2634440 T3 ES2634440 T3 ES 2634440T3
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- Prior art keywords
- phenyl
- bis
- dimethylethyl
- methyl
- trimethylpentan
- Prior art date
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- -1 polyethylene Polymers 0.000 title claims description 179
- 238000006116 polymerization reaction Methods 0.000 title description 9
- 239000004698 Polyethylene Substances 0.000 title 1
- 229920000573 polyethylene Polymers 0.000 title 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 106
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 105
- VVIYDDGGBMUXOF-UHFFFAOYSA-L dichlorozirconium(2+) Chemical compound Cl[Zr+2]Cl VVIYDDGGBMUXOF-UHFFFAOYSA-L 0.000 claims description 13
- 125000001183 hydrocarbyl group Chemical group 0.000 abstract description 32
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 24
- 239000001257 hydrogen Substances 0.000 abstract description 24
- 125000004432 carbon atom Chemical group C* 0.000 abstract description 15
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 13
- 125000000217 alkyl group Chemical group 0.000 abstract description 13
- 125000004429 atom Chemical group 0.000 abstract description 11
- 150000002431 hydrogen Chemical class 0.000 abstract description 11
- 229910052736 halogen Inorganic materials 0.000 abstract description 10
- 150000002367 halogens Chemical class 0.000 abstract description 10
- 125000000732 arylene group Chemical group 0.000 abstract description 9
- 229910052726 zirconium Inorganic materials 0.000 abstract description 8
- 150000004696 coordination complex Chemical class 0.000 abstract description 7
- 239000003446 ligand Substances 0.000 abstract description 7
- 125000003545 alkoxy group Chemical group 0.000 abstract description 6
- 125000003277 amino group Chemical group 0.000 abstract description 5
- 125000003118 aryl group Chemical group 0.000 abstract description 5
- 125000000753 cycloalkyl group Chemical group 0.000 abstract description 5
- 125000000743 hydrocarbylene group Chemical group 0.000 abstract description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract description 3
- 125000002947 alkylene group Chemical group 0.000 abstract description 2
- 125000005724 cycloalkenylene group Chemical group 0.000 abstract description 2
- 125000002993 cycloalkylene group Chemical group 0.000 abstract description 2
- 150000001993 dienes Chemical class 0.000 abstract description 2
- 229910052735 hafnium Inorganic materials 0.000 abstract description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 abstract 1
- 125000004104 aryloxy group Chemical group 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 25
- 239000003054 catalyst Substances 0.000 description 22
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 239000000178 monomer Substances 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 9
- 238000001994 activation Methods 0.000 description 8
- 150000001450 anions Chemical class 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000012190 activator Substances 0.000 description 7
- 239000003426 co-catalyst Substances 0.000 description 7
- 150000001768 cations Chemical class 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 230000004913 activation Effects 0.000 description 5
- 125000002091 cationic group Chemical group 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 150000003863 ammonium salts Chemical class 0.000 description 3
- 239000012986 chain transfer agent Substances 0.000 description 3
- 239000003085 diluting agent Substances 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 3
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 3
- LWNGJAHMBMVCJR-UHFFFAOYSA-N (2,3,4,5,6-pentafluorophenoxy)boronic acid Chemical compound OB(O)OC1=C(F)C(F)=C(F)C(F)=C1F LWNGJAHMBMVCJR-UHFFFAOYSA-N 0.000 description 2
- QWUWMCYKGHVNAV-UHFFFAOYSA-N 1,2-dihydrostilbene Chemical group C=1C=CC=CC=1CCC1=CC=CC=C1 QWUWMCYKGHVNAV-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- 239000002841 Lewis acid Substances 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- JBFYUZGYRGXSFL-UHFFFAOYSA-N imidazolide Chemical group C1=C[N-]C=N1 JBFYUZGYRGXSFL-UHFFFAOYSA-N 0.000 description 2
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 2
- 150000007517 lewis acids Chemical class 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OBAJXDYVZBHCGT-UHFFFAOYSA-N tris(pentafluorophenyl)borane Chemical compound FC1=C(F)C(F)=C(F)C(F)=C1B(C=1C(=C(F)C(F)=C(F)C=1F)F)C1=C(F)C(F)=C(F)C(F)=C1F OBAJXDYVZBHCGT-UHFFFAOYSA-N 0.000 description 2
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 2
- 125000004343 1-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])(*)C([H])([H])[H] 0.000 description 1
- QARKSVHKYNJNNK-UHFFFAOYSA-N 1h-imidazole;tris(2,3,4,5,6-pentafluorophenyl)borane Chemical compound C1=CNC=N1.FC1=C(F)C(F)=C(F)C(F)=C1B(C=1C(=C(F)C(F)=C(F)C=1F)F)C1=C(F)C(F)=C(F)C(F)=C1F.FC1=C(F)C(F)=C(F)C(F)=C1B(C=1C(=C(F)C(F)=C(F)C=1F)F)C1=C(F)C(F)=C(F)C(F)=C1F QARKSVHKYNJNNK-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002879 Lewis base Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 239000011954 Ziegler–Natta catalyst Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- KLTWGRFNJPLFDA-UHFFFAOYSA-N benzimidazolide Chemical class C1=CC=C2[N-]C=NC2=C1 KLTWGRFNJPLFDA-UHFFFAOYSA-N 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000012018 catalyst precursor Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 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 1
- BOXSCYUXSBYGRD-UHFFFAOYSA-N cyclopenta-1,3-diene;iron(3+) Chemical class [Fe+3].C=1C=C[CH-]C=1.C=1C=C[CH-]C=1 BOXSCYUXSBYGRD-UHFFFAOYSA-N 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- XXUJMEYKYHETBZ-UHFFFAOYSA-N ethyl 4-nitrophenyl ethylphosphonate Chemical compound CCOP(=O)(CC)OC1=CC=C([N+]([O-])=O)C=C1 XXUJMEYKYHETBZ-UHFFFAOYSA-N 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 150000008040 ionic compounds Chemical class 0.000 description 1
- 238000000752 ionisation method Methods 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000007527 lewis bases Chemical class 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 238000006263 metalation reaction Methods 0.000 description 1
- KUFYUMSBZMUWAN-UHFFFAOYSA-N n-methyl-n-tetradecyltetradecan-1-amine Chemical compound CCCCCCCCCCCCCCN(C)CCCCCCCCCCCCCC KUFYUMSBZMUWAN-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- POHPFVPVRKJHCR-UHFFFAOYSA-N tris(2,3,4,5,6-pentafluorophenyl)alumane Chemical compound FC1=C(F)C(F)=C(F)C(F)=C1[Al](C=1C(=C(F)C(F)=C(F)C=1F)F)C1=C(F)C(F)=C(F)C(F)=C1F POHPFVPVRKJHCR-UHFFFAOYSA-N 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C08F4/00—Polymerisation catalysts
- 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
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
-
- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
-
- 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
- C08F2/04—Polymerisation in solution
-
- 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
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
-
- 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
- C08F4/00—Polymerisation catalysts
- 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
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65908—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+
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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
- C08F4/00—Polymerisation catalysts
- 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
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L7/00—Compositions of natural rubber
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S526/905—Polymerization in presence of transition metal containing catalyst in presence of hydrogen
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- Chemical & Material Sciences (AREA)
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- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Laminated Bodies (AREA)
- Polymerisation Methods In General (AREA)
- Graft Or Block Polymers (AREA)
- Polyesters Or Polycarbonates (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Abstract
Un complejo metálico de un ariloxiéter polivalente que corresponde a la fórmula:**Fórmula** donde M3 es Hf o Zr, preferiblemente Zr; Ar4 corresponde a la fórmula:**Fórmula** en la que cada R11, de manera independiente en cada caso, es un hidrógeno, halógeno, hidrocarbilo, trihidrocarbilsililo, trihidrocarbilsililhidrocarbilo, alcoxi o di(hidrocarbil)amino de hasta un máximo de 50 átomos sin contar el hidrógeno, o bien dos grupos R11 juntos son parte de un anillo unido al grupo arilo en dos posiciones, con la condición de que, en la menos un caso, el grupo R11 o el derivado divalente de dos de tales grupos R11 se seleccione independientemente del grupo que consiste en grupos alquil-, cicloalquil-, trihidrocarbilsilil-, tri(hidrocarbil)sililhidrocarbil- y tri(hidrocarbil)fenil- terciarios que tienen de 3 a 20 átomos que no son de hidrógeno o di(hidrocarbil)amino de hasta 50 átomos sin contar el hidrógeno y/o adolezca de coplanaridad con el grupo arilo al cual está unido; T4, de manera independiente en cada caso, es un grupo alquileno, cicloalquileno o cicloalquenileno que tiene de 2 a 20 átomos de carbono, o bien es un grupo derivado de ellos sustituido de manera inerte; R21, de manera independiente en cada caso, es un hidrógeno, un halógeno, un grupo hidrocarbilo, trihidrocarbilsililo, trihidrocarbilsililhidrocarbilo, alcoxi o di(hidrocarbil)amino de hasta un máximo de 50 átomos sin contar el hidrógeno; R3, de manera independiente en cada caso es un hidrógeno, un halógeno, un grupo hidrocarbilo, trihidrocarbilsililo, trihidrocarbilsililhidrocarbilo, alcoxi o amino de hasta un máximo de 50 átomos sin contar los de hidrógeno, o bien dos grupos R3 juntos en el mismo anillo arileno o un grupo R3 y un grupo R21 juntos en el mismo o en diferentes anillos arileno forman un grupo ligando divalente unido al grupo arileno en dos posiciones o se unen a dos anillos arileno diferentes, con la condición de que al menos dos grupos R3 situados sobre diferentes grupos arilenoxi se seleccionan independientemente del grupo que consiste en grupos alquil-, cicloalquil-, trihidrocarbilsilil-, tri(hidrocarbil)sililhidrocarbil- y tri(hidrocarbil)fenil- terciarios que tienen de 3 a 20 átomos que no son de hidrógeno o di(hidrocarbil)amino de hasta 50 átomos sin contar el hidrógeno o al menos un grupo R3 es un grupo alquilo lineal; y RD, de manera independiente en cada caso, es un halógeno, o un grupo hidrocarbilo o trihidrocarbilsililo de como máximo 20 átomos de carbono sin contar los de hidrógeno o bien dos grupos RD juntos constituyen un grupo hidrocarbileno, hidrocarbadiilo, dieno o poli(hidrocarbil)silileno.
Description
Complejos metálicos Los complejos metálicos de acuerdo con la presente invención incluyen compuestos que corresponden a la fórmula:
donde M3 es Hf o Zr, preferentemente Zr;
5 T4, de manera independiente en cada caso, es un grupo alquileno, cicloalquileno o cicloalquenileno que tiene de 2 a 20 átomos de carbono, o bien es un grupo derivado de ellos sustituido de manera inerte;
R21
, de manera independiente en cada caso, es un hidrógeno, un halógeno, o un grupo hidrocarbilo, trihidrocarbilsililo, trihidrocarbilsililhidrocarbilo, alcoxi o di(hidrocarbil)amino de hasta un máximo de 50 átomos sin contar los de hidrógeno;
10 R3, de manera independiente en cada caso es un hidrógeno, un halógeno, un grupo hidrocarbilo, trihidrocarbilsililo, trihidrocarbilsililhidrocarbilo, alcoxi o amino de hasta un máximo de 50 átomos sin contar los de hidrógeno, o bien dos grupos R3 juntos en el mismo anillo arileno o un grupo R3 y un grupo R21 juntos en el mismo o en diferentes anillos arileno forman un grupo ligando divalente unido al grupo arileno en dos posiciones o se unen a dos anillos arileno diferentes; y RD, de manera independiente en cada caso, es un halógeno, o un grupo hidrocarbilo o
15 trihidrocarbilsililo de como máximo 20 átomos de carbono sin contar los de hidrógeno o bien dos grupos RD juntos constituyen un grupo hidrocarbileno, hidrocarbadiilo, dieno o poli(hidrocarbil)silileno.
Los grupos Ar4 corresponden a la fórmula:
en la que R11, independientemente de cada caso es hidrógeno, halógeno o un grupo hidrocarbilo, trihidrocarbilsililo,
20 trihidrocarbilsililhidrocarbilo, alcoxi o di(hidrocarbil)amino que tiene un máximo de 50 átomos sin contar los de hidrógeno, o bien dos grupos R11 juntos son parte de un anillo unido al grupo arilo en dos posiciones, con la condición de que en al menos uno de sus apariciones, R11 o el derivado divalente de dos de tales grupos R11 se selecciona independientemente del grupo que consiste en grupos alquilo, cicloalquilo, trihidrocarbilsililo, tri(hidrocarbil)sililhidrocarbilo y (hidrocarbil)fenilo terciarios, que tienen de 3 a 20 átomos que no son de hidrógeno o
25 grupos di(hidrocarbil)amino de hasta 50 átomos sin contar el hidrógeno y/o carece de coplanaridad con el grupo arilo al que está unido. Los ejemplos incluyen: ter-butilo, sec-butilo, ter-octilo (2,4,4-trimetilpentan-2-ilo), 1-feniletilo, 2,3dimetil-but-2-ilo, tritilo (trifenilmetilo), cumilo (2-fenilprop-2-ilo), ter-amilo (1,1-dimetilpropilo), fenilo, ciclohexilo, trimetilsililo, trimetilsililmetilo, isopropilo, 2,4,6-trimetilfenilo, 2,6-dimetilfenilo, 3,5-di(isopropil)fenilo y 3,5-di(tbutil)fenilo.
30 Ejemplos preferidos adicionales de complejos metálicos adecuados corresponden a la fórmula:
donde M3 es Zr;
Ar4 es 3,5-di(ter-butil)fenilo, 3,6-di(isopropil)fenilo, 3,5-di(isobutil)fenilo, 3,5-di(ter-octil)fenilo, 3,5-di(2,4,6trimetilfenil)fenilo, 3,5-di(2,6-dimetilfenil)fenilo, 3,5-di(2,4,6-tri-isopropilfenil)fenilo, 3,5-di(3,5-di-ter-butilfenil)fenilo, 1,2,3,4,6,7,8,9-octahidroantracen-5-ilo; 3,6-di(terc-butil)-9H-carbazol-9-ilo, 3,6-di(terc-octil)-9H-carbazol-9-ilo;
5 cada R21, de manera independiente, es un grupo metilo o ter-butilo;
cada R3, de manera independiente, es un grupo alquilo ramificado, cicloalquilo, arilo sustituido u otro grupo estéricamente voluminoso;
T4 es propan-1,3-diilo, butan-1,4-diilo, ciclohexano-1,2-diilo o ciclohexano-1,2-dimetileno; y
cada RD, de manera independiente en cada caso, es un halógeno, o un grupo hidrocarbilo o trihidrocarbilsililo de
10 como máximo 20 átomos de carbono sin contar los de hidrógeno o bien dos grupos RD juntos constituyen un grupo hidrocarbileno, hidrocarbadiilo, un 1,3-butadieno sustituido con 1,4-dihidrocarbilo o un grupo poli(hidrocarbil)silileno.
En una realización muy preferida, al menos un grupo R11 en cada anillo Ar4, siendo lo más preferible dos de tales grupos R11 en las posiciones 3 y 5 de un anillo fenilo Ar4, y al menos dos grupos R3 en diferentes anillos arileno, son grupos alquilo ramificado, cicloalquilo, arilos sustituido con hidrocarbilo-o grupos sililo sustituidos con 15 poli(hidrocarbilo), que tienen de 3 a 20 átomos de carbono, preferentemente de 4 a 12 átomos de carbono. Los grupos estéricamente voluminosos R11 y R3 preferidos con mucha diferencia sobre otros son los grupos butilo terciario y octilo terciario. Un complejo metálico muy preferido sobre los demás es un complejo de zirconio con la fórmula precedente en el que ambos grupos Ar4 son grupos 3,5-di-t-butilfenilo o 3,5-di-t-octilfenilo, un grupo R3 en la posición 4-o en la posición 5-de cada ligando fenilenoxi es un ter-butilo o un ter-octilo y cada grupo R21 es un
20 hidrógeno o un grupo hidrocarbilo de hasta 20 átomos de carbono, preferentemente un grupo ter-butilo.
Los complejos metálicos especialmente preferidos de acuerdo con la invención corresponden a las fórmulas:
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y
donde RD, de manera independiente cada vez que aparece, es cloro, metilo o bencilo.
Ejemplos específicos de complejos metálicos apropiados son los siguientes compuestos: A) bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)propano-1,3-diil zirconio (IV) dimetilo, bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)propano-1,3-diil zirconio
- (IV)
- dicloruro, bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)propano-1,3-diil zirconio
- (IV)
- dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex-4-eno-1,2diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex-4-eno-1,2diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex-4-eno-1,2diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2-fenoxi)propano-1,3-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2-fenoxi)propano-1,3-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2-fenoxi)propano-1,3-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex4-eno-1,2-diilo zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex4-eno-1,2-diilo zirconio (IV) dicloruro,
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bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-4-(2,4,4-trimetilpentan-2-il)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletilpentan-2-il)(fenil)-4-(2,4,4-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-4-(2,4,4-trimetilpentan-2-il)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-4-(2,4,4-trimetilpentan-2-il)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-4-(2,4,4-trimetilpentan-2-il)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan-2-il)-2fenoxi)propano-1,3-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan-2-il)-2fenoxi)propano-1,3-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan-2-il)-2fenoxi)propano-1,3-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan-2-il)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan-2-il)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan-2-il)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan-2-il)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan-2-il)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan-2-il)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dibencilo,
C) bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)propano-1,3-diil zirconio (IV)
- dimetilo,
- bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)propano-1,3-diil dicloruro,
- zirconio (IV)
- bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)propano-1,3-diil dibencilo,
- zirconio (IV)
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)metil)ciclohexano1,2-diil zirconio(IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)metil)ciclohexano1,2-diil zirconio(IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)metil)ciclohexano1,2-diil zirconio(IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dibencilo,
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bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-5-(1,1-dimetiletil)-2-fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-5-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex-4-eno-1,2diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-5-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex-4-eno-1,2diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-metil(fenil)-5-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex-4-eno-1,2diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2-fenoxi)propano-1,3-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2-fenoxi)propano-1,3-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2-fenoxi)propano-1,3-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex4-eno-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex4-eno-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex4-eno-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(1,1-dimetiletil)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dibencilo,
E) bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)propano-1,3diil zirconio (IV) dimetilo,
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bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)propano-1,3-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)propano-1,3-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex-4eno-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex-4eno-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex-4eno-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
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bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan2-il)-2-fenoxi)propano-1,3-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan2-il)-2-fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan2-il)-2-fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan2-il)-2-fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan2-il)-2-fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan2-il)-2-fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(2,4,4-trimetilpentan2-il)-2-fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dibencilo,
G) bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)propano-1,3-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)propano-1,3-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)propano-1,3-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)metil)ciclohexano-1,2diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)metil)ciclohexano-1,2diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)metil)ciclohexano-1,2diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)metil)ciclohex-4-eno1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)metil)ciclohex-4-eno1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1-butil)-2-fenoxi)metil)ciclohex-4-eno1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1-butil)-2-fenoxi)propano-1,3diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1-butil)-2-fenoxi)propano-1,3diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1-butil)-2-fenoxi)propano-1,3diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1-butil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1-butil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1-butil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1-butil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dimetilo,
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bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,'4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,'4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,'4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dimetilo,
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dicloruro, y
bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-5-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dibencilo.
De manera conveniente, los complejos metálicos anteriores se pueden preparar por medio de procedimientos normalizados de metalación e intercambio de ligando que implican una fuente de un metal de transición y una fuente de ligando polifuncional neutro. Las técnicas empleadas son las mismas que las descritas en los documentos de las patentes USP 6.827.976 y US 2004/0010103 y en otros lugares, o análogas a ellas.
El complejo metálico se activa para formar la composición de catalizador activa por medio de la combinación con el co-catalizador. La activación puede tener lugar antes de la adición de la composición de catalizador al reactor con o sin la presencia de otros componentes de la mezcla de reacción, o in situ a través de la adición por separado del complejo metálico y del co-catalizador de activación al reactor.
La activación puede tener lugar de diferentes formas para dar compuestos catalizadores que tienen un sitio de coordinación vacante que coordinará, insertará y polimerizará monómeros polimerizables por adición, especialmente olefinas. Para los fines de la presente memoria descriptiva de patente y de las reivindicaciones adjuntas, el término "activador" o "co-catalizador" significa cualquier compuesto o componente o método que puede activar el complejo metálico de la forma anterior. Ejemplos no limitantes de activadores apropiados incluyen ácidos de Lewis, activadores iónicos no coordinantes, activadores ionizantes, compuestos organometálicos y combinaciones de las sustancias anteriores capaces de convertir el complejo metálico neutro en especies catalíticamente activas. Tal y como se usa en este documento, el término "no coordinante" se aplica a una sustancia (disolvente, anión, cocatalizador o resto de cocatalizador) que, o bien no se coordina al precursor del catalizador y a las especies catalizadoras activas derivadas del mismo, o bien se coordina solo débilmente a tales complejos o especies, permaneciendo de este modo suficientemente lábil como para ser desplazado por una base de Lewis neutra, como una olefina.
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Se cree, sin que se desee adherirse de manera absoluta a tal creencia, que, en una realización de la invención, la activación del catalizador supone la formación de una especie catiónica, parcialmente catiónica o zwitteriónica, mediante transferencia de protones, oxidación o cualquier otro proceso de activación adecuado. Se comprende que la presente invención funciona y es completamente posible con independencia de que se produzcan o no realmente tales especies identificables como catiónicas, parcialmente catiónicas o zwitteriónicas durante el proceso de la activación, también denominado de manera equivalente en este documento "proceso de ionización" o "proceso de activación iónica".
Los co-catalizadores ionizantes pueden contener un protón activo, o algunos otros cationes asociados con un anión del compuesto ionizante, pero no coordinados o solo débilmente coordinados al mismo. Tales compuestos se describen en los documentos o publicaciones de las patentes europeas EP-A-570982, EP-A-520732, EP-A495375, EP-A-500944, EP-A-277 003 y EP-A-277004, y en los documentos de las patentes de Estados Unidos : 5.153.157, 5.198.401, 5.066.741, 5.206.197, 5.241.025, 5.384.299 y 5.502.124. Entre los activadores anteriores se prefieren sales que contienen un catión de amonio, especialmente las que contienen cationes de amonio con sustitución de trihidrocarbilo que contienen uno o dos grupos alquilo que tienen de 10 a 40 átomos de carbono, en especial cationes de metilbis(octadecil)-amonio y metilbis(tetradecil)-amonio y un anión no coordinante, especialmente un anión tetraquis(perfluoro)arilborato, especialmente tetraquis(pentafluorofenil)borato. Se ha de entender también que el catión puede comprender una mezcla de grupos hidrocarbilo de diferentes longitudes. Por ejemplo, el catión de amonio protonado procedente de la amina de cadena larga disponible comercialmente que comprende una mezcla de dos grupos alquilo de 14, 16 o 18 átomos de carbono y un grupo metilo. Dichas aminas se encuentran disponibles en la empresa Chemtura Corp., con el nombre comercial de KemamineTM T9701 y en la compañía Akzo-Nobel con el nombre comercial de Armeen™ M2HT. El activador de sal de amonio más preferido es tetraquis(pentafluorofenil)borato de metil di(alquil con 14 a 20 átomos de carbono)amonio.
También se consideran para ser usados en la presente invención los métodos de activación que usan compuestos iónicos ionizantes que no contienen un protón activo pero que son capaces de formar composiciones activas de catalizador, tales como sales de ferrocenio de los aniones no coordinantes anteriores, y que se describen en los documentos de las patentes EP-A-426637, EP-A-573403 y en el documento de la patente de Estados Unidos
- 5.387.568.
- También se incluye el uso de ácidos fuertes de Lewis, especialmente compuestos de tris(perfluoro)aril borano, tal como tri(pentafluorofenil)borano, que son capaces de abstracción de grupos de ligandos, especialmente un ligando hidrocarbilo, formándose de este modo un contra anión no coordinante para el derivado catiónico del complejo metálico.
De manera adecuada, se puede emplear para activar los complejos metálicos de la presente invención para polimerización de olefinas una clase de co-catalizadores que comprende aniones no coordinantes denominados de forma genérica aniones expandidos, descritos con más detalle en el documento de la patente de Estados Unidos
- 6.395.671.
- Generalmente, estos cocatalizadores (ilustrados por aquellos que tienen aniones imidazolida, imidazolida sustituida, imidazolinida, imidazolinida sustituida, bencimidazolida o bencimidazolida sustituida) pueden representarse como sigue:
en donde:
A*+ es un catión, especialmente un catión que contiene un protón, y preferentemente es un catión de trihidrocarbilamonio que contiene uno o dos grupos alquilo (que tienen de 10 a 40 átomos de carbono), especialmente un catión de metil-di-alquil(con 14 a 20 átomos de carbono)-amonio;
R4, de forma independiente en cada aparición, es hidrógeno o halógeno, un grupo hidrocarbilo, halocarbilo, halohidrocarbilo, sililhidrocarbilo, o sililo (incluyendo grupos mono-, di-y tri(hidrocarbil)sililo) de hasta 30 átomos sin contar hidrógeno, preferentemente un alquilo de 1 a 20 átomos de carbono y
J*' es tris(pentafluorofenil)borano o tris(pentafluorofenil)alumano.
Entre los ejemplos de estos activadores catalíticos se incluyen sales de trihidrocarbilamonio, especialmente sales metildi(alquil(grupo alquilo que tiene de 14 a 20 átomos de carbono))amónicas de:
bis(tris(pentafluorofenil)borano)imidazolida,
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distribución de pesos moleculares estrecha son muy convenientes debido a que tienen propiedades mejoradas de resistencia a la tracción, así como niveles reducidos de valores de metal y extraíbles.
Sin limitar de ningún modo el alcance de la invención, un medio para la realización del presente procedimiento de polimerización es el siguiente: En un reactor de depósito removido, se introducen los monómeros a polimerizar de manera continua junto con cualquier disolvente o diluyente. El reactor contiene una fase líquida compuesta sustancialmente de monómeros, junto con cualquier disolvente o diluyente y polímero disuelto. El catalizador junto con el co-catalizador y, opcionalmente, el agente de transferencia de cadena, se introducen de forma continua o intermitente en la fase líquida del reactor o en cualquier porción reciclada de ella. La temperatura y la presión del reactor se pueden controlar por ajuste de la relación disolvente/monómero, de la velocidad de adición del catalizador, y mediante el uso de serpentines de refrigeración o calentamiento, camisas o ambos. La velocidad de polimerización se controla mediante la velocidad de adición del catalizador. La presión se controla mediante la velocidad de flujo del monómero y con las presiones parciales de los componentes volátiles. El contenido de etileno del producto polimérico está determinado por la relación entre el etileno y el comonómero en el reactor, la cual se controla por manipulación de las velocidades de alimentación respectivas de estos componentes al reactor. El peso molecular del producto polimérico se controla, opcionalmente, controlando otras variables de la polimerización tales como la temperatura, la concentración de monómero, o por medio del caudal del agente de transferencia de cadena mencionado anteriormente. A la salida del reactor, el efluyente se pone en contacto con un agente de envenenamiento del catalizador, tal como agua, vapor o un alcohol. La disolución de polímero se calienta opcionalmente, y el producto polimérico se recupera por vaporización súbita de los monómeros gaseosos así como del disolvente o diluyente residual a presión reducida y, en caso necesario, realización de una desvolatilización ulterior en un equipo tal como una extrusora desvolatilizadora. En un procedimiento continuo, el tiempo medio de estancia del catalizador y el polímero en el reactor es generalmente de 5 minutos a 8 horas, y preferiblemente de 10 minutos a 6 horas.
De manera alternativa, la polimerización anterior se puede realizar en un reactor de circulación en continuo con o sin un gradiente de monómero, comonómero, catalizador o co-catalizador establecido entre sus diferentes regiones o zonas, opcionalmente acompañado por la adición separada de catalizadores y/o de agente de transferencia de cadena, y operando en condiciones de polimerización en disolución adiabáticas o no adiabáticas o en combinaciones de las condiciones de reactor anteriores. Ejemplos de reactores de recirculación adecuados y de diversas condiciones de funcionamiento adecuadas para su uso en ellos se encuentran en los documentos de patente de Estados Unidos 5.977.251, 6.319.989 y 6.683.149.
De manera apropiada, se emplean procesos de polimerización de reactor múltiple cuando se usan los complejos de la presente invención. Ejemplos que incluyen tales sistemas son los que se describen en el documento de patente de Estados Unidos 3.914.342, entre otros. Los reactores múltiples pueden operar en serie o en paralelo, empleándose al menos una composición de catalizador de acuerdo con la presente invención en al menos uno de los reactores. Uno o ambos reactores pueden contener también al menos dos catalizadores que tienen diferente capacidad de incorporación de comonómero y/o diferente capacidad de variación de peso molecular. En una realización, se forma un producto de peso molecular relativamente alto (Mw de 100.000 a más de 1.000,000, más preferentemente de 200.000 a 500.000) mientras que en el segundo reactor se forma un producto de peso molecular relativamente bajo (Mw de 2.000 a 300.000). Los productos de ambos reactores pueden tener densidades similares o diferentes. El producto final es una mezcla de los efluentes de los dos reactores que se combinan antes de la desvolatilización, para dar como resultado una mezcla uniforme de los dos productos poliméricos. En otra realización, el peso molecular de los productos de ambos reactores es casi el mismo, pero las densidades varían en un grado tal que uno de los reactores produce un polímero con una densidad en el intervalo 0,865-0,895, mientras que el otro reactor produce polímero con una densidad diferente en el intervalo 0,885-0,950. Tal procedimiento de reactor dual/catalizador dual permite la preparación de productos con propiedades adaptadas. En una realización, los reactores están conectados en serie, es decir, el efluente del primer reactor se carga al segundo reactor y se añaden opcionalmente al segundo reactor monómero, disolvente e hidrógeno de nuevo aporte. Se ajustan las condiciones del reactor de manera que la proporción en peso del polímero producido en el primer reactor con respecto al producto en el segundo reactor esté idealmente dentro del intervalo de 20:80 a 80:20. La persona conocedora de la técnica se dará cuenta de que el anterior proceso de reactor dual es capaz de producir mezclas poliméricas dentro del reactor que tienen una distribución ensanchada de peso molecular o índice de polidispersidad (PDI, por sus siglas en inglés). Los polímeros preferidos preparados de la forma anterior tienen un PDI de 2,8 a 6,0, más preferentemente de 3,0 a 5,0. Además, en una realización conveniente, el componente de alto peso molecular contiene cantidades mayores de comonómero (densidad más baja) que el componente de bajo peso molecular.
Uno de los reactores del proceso de polimerización, incluyendo el primero o los dos reactores que operan en serie, puede contener un catalizador heterogéneo Ziegler-Natta o un catalizador que contiene cromo, tal como uno de los numerosos catalizadores conocidos en la técnica. Entre los ejemplos de catalizadores Ziegler-Natta se incluyen, pero no se limitan a ellos, catalizadores basados en titanio soportados en MgCl2, y comprenden adicionalmente compuestos de aluminio que contienen al menos un enlace aluminio-alquilo. Entre los catalizadores adecuados de tipo Ziegler-Natta se incluyen los descritos en los documentos de patente de Estados Unidos números 4.612.300,
4.330.646 y 5.869.575, si bien las posibilidades no se limitan a ellos; en dichos documentos se describe su preparación. Catalizadores basados en cromo apropiados se describen en los documentos de las patentes de Estados Unidos números 4.981.927, 4.835.219, 4.564.660, 4.173.548, 3.953.413 y en otros lugares.
Claims (1)
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imagen1 imagen2 imagen3 imagen4 imagen5 imagen6 imagen7 imagen8 imagen9 51015202530354045E) bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)propano-1,3diil zirconio (IV) dimetilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)propano-1,3-diil zirconio (IV) dicloruro,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)propano-1,3-diil zirconio (IV) dibencilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex-4eno-1,2-diil zirconio (IV) dimetilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex-4eno-1,2-diil zirconio (IV) dicloruro,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-metil(fenil)-4-(1,1-dimetiletil)-2-fenoxi)metil)ciclohex-4eno-1,2-diil zirconio (IV) dibencilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dimetilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dicloruro,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dibencilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dibencilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dimetilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dicloruro,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(1,1-dimetiletil)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohex-4-eno-1,2-diil zirconio (IV) dibencilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dimetilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dicloruro,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(1,1-dimetiletil)-2fenoxi)propano-1,3-diil zirconio (IV) dibencilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dimetilo,bis((2-oxoil-3-(3,5-bis-(2,4,4-trimetilpentan-2-il)fenil)-5-(2,4,4-trimetilpentan-2-il)(fenil)-4-(1,1-dimetiletil)-2fenoxi)metil)ciclohexano-1,2-diil zirconio (IV) dicloruro,40imagen10 imagen11 imagen12 imagen13
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