WO1993014132A1 - Improved catalyst composition - Google Patents

Improved catalyst composition Download PDF

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Publication number
WO1993014132A1
WO1993014132A1 PCT/US1992/010360 US9210360W WO9314132A1 WO 1993014132 A1 WO1993014132 A1 WO 1993014132A1 US 9210360 W US9210360 W US 9210360W WO 9314132 A1 WO9314132 A1 WO 9314132A1
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WIPO (PCT)
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groups
group
formula
alkyl
alkoxy
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PCT/US1992/010360
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English (en)
French (fr)
Inventor
Brian W. S. Kolthammer
Robert S. Cardwell
John C. Tracy
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The Dow Chemical Company
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Application filed by The Dow Chemical Company filed Critical The Dow Chemical Company
Priority to DE69224287T priority Critical patent/DE69224287T2/de
Priority to EP92925471A priority patent/EP0574561B1/en
Priority to US08/108,693 priority patent/US5453410A/en
Priority to CA002105555A priority patent/CA2105555C/en
Priority to JP51243193A priority patent/JP3275078B2/ja
Priority to KR1019930702664A priority patent/KR100262023B1/ko
Publication of WO1993014132A1 publication Critical patent/WO1993014132A1/en
Priority to FI933861A priority patent/FI114641B/fi

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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
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/14—Monomers containing five or more carbon atoms
    • 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+
    • 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
    • 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
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring

Definitions

  • This invention relates to compositions of matter which are useful as addition polymerization catalysts, to a method for preparing these catalysts and to a method of using these catalysts. More particularly, this invention relates to catalyst compositions useful as olefin polymerization catalysts and to a method for polymerizing olefin monomers using the same.
  • adjuvants such as trialkyl boron and trialkyiaiuminum compounds to remove catalyst poisons from biscyclopentadrenyl containing olefin polymerization catalysts.
  • adjuvants have proven to be ineffective in combating the inhibition of cationic catalysts, especially cationic, constrained geometry catalysts, and when used in the polymerization of olefin monomers especially, actually may interfere with the desired catalytic process.
  • a catalyst composition comprising in combination: a cationic complex of the formula: CpMYX n + A-, wherein:
  • M is a metal of Group 4 of the Periodic Table of the Elements having an oxidation state of + 3 or +4, bound in an ⁇ 5 bonding mode to Cp; n is zero or one, depending on the oxidation state of M;
  • Cp is a cyciopentadienyl-, indenyl-, tetrahydroindenyl-, fluorenyl-, or octahydrof luorenyl- group covalently substituted with at least a divalent moiety, R", said divalent moiety, R", having from 1 to 50 atoms and being covalently bonded to Y, Cp further may be substituted with from 1 to 4 alkyl, halogen, aryl, haloalkyl, alkoxy, aryfoxy or silyl groups containing up to 20 non-hydrogen atoms;
  • Y is a divalent substituent selected from groups of the formula -NR-, -PR-, -O-or- S-, wherein R is C, 20 hydrocarbyl, and Y together with R", Cp and M forms a metallocycle;
  • X if any, is a monovalent substituent selected from the group consisting of hydride, halo, alkyl, aryl, silyl, germyl, aryloxy, alkoxy, amide, siioxy, and phosphine groups, and combinations thereof, said groups or combination having up to 20 non-hydrogen atoms; and
  • A- is an inert, noncoordinating anion, and an alumoxane; the molar ratio of alumoxane to cationic complex being from 0.1 : 1 to 50: 1.
  • catalyst compositions in a preferred embodiment comprise the reaction product of: a) an organometallic complex of the formula: CpMYX n R, wherein:
  • M is a metal of Group 4 of the Periodic Table of the Elements having an oxidation state of + 3 or + 4, bound in an ⁇ 5 bonding mode to Cp; n is zero or one, depending on the oxidation state of M; R is hydride or C 1 20 hydrocarbyl;
  • Cp is a cyclopentadienyl-, indenyl-, tetrahydroindenyl-, fluorenyl-, or octahydrofluorenyl- group covalently substituted with at least a divalent moiety, R", said divalent moiety, R", having from 1 to 50 atoms and being covalently bonded to Y, Cp further may be substituted with from 1 to 4 alkyl, halogen, aryl, haloalkyl, alkoxy, aryloxy or silyl groups containing up to 20 non-hydrogen atoms; and
  • Y is a divalent substituent selected from groups of the formula -NR-, -PR-, -O- or - S-, wherein R is C. 20 hydrocarbyl, and Y together with R", Cp and M forms a metallocycle; and
  • X if any, is a monovalent substituent selected from: hydride, halo, alkyl, aryl, silyl, germyl, aryloxy, alkoxy, amide, siioxy, phosphine groups, and mixtures thereof, said groups having up to 20 non-hydrogen atoms; b) an active compound or complex, B', capable of converting the organometallic complex a) into a cationic complex of the formula: CpMYX n +A'-, where Cp, M, Y, X and n are as previously defined, and A' ' is the anion resulting from the combination of B' and R which is abstracted from complex a) or A' ' is the counterion from complex B'; and c) an alumoxane; the molar ratio of components b):a) being from 0.1 : 1 to 50: 1 , and the molar ratio of components c): a) being from 1 : 1 to
  • compositions are usefully employed in the polymerization of addition polymerizable monomers, especially C 2 _ 2Q ⁇ -olefins, including mixtures thereof, to prepare polymers for molding, film, sheet, extrusion foaming and other applications.
  • compositions of the present invention may be thought of as forming a mixture of a cationic species having a charge limited structure corresponding to the formula: CpMYX n +A-, and the alumoxane, c).
  • Suitable aiumoxanes preferably include C. alkyiaiumoxanes, especially methylalumoxane- Both cyclic and linear aiumoxanes as well as mixtures thereof are suitable.
  • Aiumoxanes are well known in the art and methods fortheir preparation are illustrated by US- A4,542,199, 4,544,762, 5,015,749, and 5,041,585.
  • Particularly preferred aiumoxanes are so called modified aiumoxanes, that are completely soluble in alkane solvents, especially heptane, and include very little, if any, trialkyiaiuminum contaminant.
  • a technique for preparing such a modified alumoxane has been disclosed in US-A 5,041,584. The teachings of the foregoing United States patents are incorporated herein in their entireties by reference thereto.
  • Active compounds, B', useful as component b) are those compounds capable of abstraction of the R substituent f rom a) to form an inert, noninterfering counter ion.
  • a preferred active compound istris(perfluorophenyI)boron. This compound results in the formation of an anionic species, A'-, that is RB(C g F 5 ) 3 " , where R is hydride or C,_ 20 hydrocarbyl.
  • Examples of complexes useful as component b) include salts of a Bronsted acid and a noncoordinating, compatible anion. More particularly the non-coordinating, compatible anion may comprise a single coordination complex comprising a charge-bearing metal or metalloid core, which anion is both bulky and non-nucleophilic.
  • the recitation "metalloid”, as used herein, includes non-metals such as boron, phosphorus and the like which exhibit semi- metallic characteristics-
  • noncoordinating, compatible anion means an anion which either does not coordinate to component a) or which is only weakly coordinated therewith remaining sufficiently labile to be displaced by a neutral Lewis base.
  • a non- coordinating, compatible anion specifically refers to a compatible anion which when functioning as a charge balancing anion in the catalyst system of this invention, does not transfer an anionic substituent or fragment thereof to said cation thereby forming a neutral four coordinate metallocene and a neutral metal byproduct.
  • Compatible anions are anions which are not degraded to neutrality when the initially formed complex decomposes and are noninterfering with desired subsequent polymerizations
  • Preferred complexes useful as component b) are ferrocenium salts or silver salts of tetrakis(perfluorophenyl)borate. These components result in the formation of the anionic species, B(C 6 F 5 ) 4 ". which is A-. It should be noted that alkyiaiumoxanes are not satisfactory for use as component b).
  • Component a) is preferably a cyclopentadienyl group containing complex of a Group 4 metal.
  • the preferred X group if any, is an alkyl, aryl, silyl, germyl, aryloxy, or alkoxy group having up to 20 non-hydrogen atoms.
  • additional neutral Lewis base compounds may also be associated with the metal complex by coordinate covalent or other weaker bonding forces. Such compounds include ethers, phosphines, amines, etc. However, the presence of such neutral coordinating ligands is not preferred.
  • Cp is depicted by the formula:
  • R' each occurrence is independently selected from the group consisting of hydrogen, alkyl and silyl groups of up to 4 non-hydrogen atoms;
  • R" is -BR- or -ER 2 - wherein E is a member of Group 14 of the Periodic Table of the 0 Elements, and R is as previously defined.
  • R"-Y- is
  • E independently each occurrence is carbon, silicon, or germanium; p is an integer from 1 to 4.
  • R is as previously defined. 0
  • Preferred cationic complexes formed by contacting components a) and b) correspond to the formula:
  • M is zirconium ortitanium
  • Cp is a cyclopentadienyl group substituted with R" or such a cyclopentadienyl group further substituted with up to four C, _ 4 alkyl groups;
  • R" is C 1 _ 4 dfalkylsilanediyl especially dimethylsilanediyl;
  • Y is C-, 4 alkylamido
  • X is C 1 4 alkyl, benzyl or 2-dimethylaminobenzyl; n is one; and
  • A- is RB(C 6 F 5 ) 3 " or. B(C 6 F 5 ) 4 " , where R is as previously defined.
  • the preferred ratio of components b):a) is 0.95:1 to 10: 1, more preferably 1 : 1 to 5:1-
  • the preferred ratio of component c):a) is 2:1 to 100:1, most preferably 3:1 to 10: 1-
  • the catalyst composition can be prepared by combining the components in a suitable solvent or diluent at a temperature within the range from -100 to 300°C, preferably 25 to 75°C.
  • suitable solvents or diluents include any of the compounds known in the prior art to be useful as solvents or diluents in the polymerization of olefins, diolefins and acetylenically unsaturated monomers.
  • Suitable compounds include, but are not necessarily limited to, straightand branched-chain hydrocarbons such as isobutane, butane, pentane, hexane, heptane, octane and mixtures thereof; cyclic and alicydic hydrocarbons such cyclohexane, cycloheptane, methylcyclohexane, methylcycloheptane and mixtures thereof and aromatic and alkyl-substituted aromatic compounds such as benzene, toluene, xylene and mixtures thereof.
  • straightand branched-chain hydrocarbons such as isobutane, butane, pentane, hexane, heptane, octane and mixtures thereof
  • cyclic and alicydic hydrocarbons such cyclohexane, cycloheptane, methylcyclohexane, methylcycloheptane and mixtures thereof and aromatic and alkyl-
  • Suitable solvents also include liquid olefins which may act as monomers or comonomers including ethylene, propylene, butadiene, cydopentene, 1-hexane, 3-methyl-1- pentene, 4-methyl-1-pentene, 1,4-hexadiene, 1-octene, 1-decene, styrene, and mixtures thereof- Mixtures of two of more of the foregoing solvents mayalso be used if desired.
  • liquid olefins which may act as monomers or comonomers including ethylene, propylene, butadiene, cydopentene, 1-hexane, 3-methyl-1- pentene, 4-methyl-1-pentene, 1,4-hexadiene, 1-octene, 1-decene, styrene, and mixtures thereof- Mixtures of two of more of the foregoing solvents mayalso be used if desired.
  • the catalyst compositions are used in addition polymerizations using conditions well known in the prior art- It will, of course, be appreciated that the catalyst composition will form in situ if the components thereof are added directly to the polymerization process. However, it is preferred to form the catalyst in a separate step in a suitable solvent priorto adding the same to the polymerization reactor-
  • the respective components may be combined in any order of addition to form the catalyst composition of the invention.
  • the catalysts and components are sensitive to both moisture and oxygen and should be handled and transferred in an inert atmosphere such as nitrogen, argon or helium.
  • the catalyst is used to polymerize C 2 20 ⁇ -olefins and mixtures thereof, particularly ethylene or propylene, most preferably ethylene, at a temperature within the range from 0 c Cto 220°C, preferably 25 C C to 160°C and at a pressure within the range from atmospheric to 6,900 kPa (1000 psig) preferably 100 kPa to 4,800 kPa (15 to 700 psig).
  • the catalyst is used either to homopolymerize ethylene or to copolymerize ethylene with a lower ⁇ -olefin having from 3 to 8 carbon atoms (including styrene) thereby yielding a copolymer.
  • the monomers will be maintained at polymerization conditions for a time from 1 to 60 minutes.
  • the catalyst will be used at a concentration from 10 "7 to 10 "1 moles per mole of monomer.
  • a solvent for the reactants and/or the polymer may be used if desired.
  • a cationic complex solution of 10 mL total volume was prepared by adding 6.0 mL of mixed alkane solvent (IsoparTM E, available from Exxon Chemical Inc.), 2.0 mL of the Ti reagent solution and 2.0 mL of a 0.010 M solution of tris(perfluorophenyl)boron in toluene to a 250 ml glass bottle. The solution was mixed for a few minutes and transferred by syringe to a catalyst injection cylinder on the polymerization reactor.
  • IsoparTM E mixed alkane solvent
  • a stirred, one-gallon (3.79L) autoclave reactor was charge with two liters of Isopar*" E containing varying amounts of methylalumoxane (MAO) solution and 150 mL of octene-1 which had been partially purified by passing over a molecular sieve bed before heating to reaction temperature.
  • the reactor was charged with ethylene sufficient to bring the total pressure to 450 psig (3.1 MPa).
  • An amount of the cationic complex solution as described under catalyst preparation was injected into the reactor.
  • the reactor temperature and pressure were maintained constant at the desired final pressure and temperature by continually feeding ethylene during the polymerization run and cooling the reactor as necessary- The rate and duration of the reaction were monitored by measuring the demand flow of ethylene to the reactor for each polymerization.
  • Ethyl ene/1-octene copolymer yield (reported as g PE) was calculated based on mass flow of ethylene to the reactor during the run. Results as a function of MAO content are contained in
  • Example 4 The polymerization of Examples 1-3 was repeated excepting that the 1-octene employed is not purified prior to use in the reactor. Results are contained in Table 2.
  • Example 7 the titanium complex was (t-butylamido)dimethyl(tetramethyl- ⁇ 5 -cyclopenta- dienyl)silanetitanium dibenzyl, prepared by a method analogous to that of Example 1.
  • Example 8 the titanium complex was (t-butylamido)dimethyl(tetrahydro- fluoreny silanetitanium dimethyl, also prepared by a method analogous to that of Example 1. All reactions were conducted at 120°C excepting Examples 13 and 14 that were conducted at 140°C and 160°C respectively.
  • Moles of octene were 1.0 excepting for run 1 1, when 0-5 moles were used-
  • the 1 -octene feed was highly purified by first contacting with a molecular sieve bed followed by contacting with an alumina based deoxygenating agent (Q-5, available from Engelhard Corporation). All polymers were recovered, devolatilized and dried to determine yield. Polymer properties were tested by standard techniques- Results are contained in Table 4-
  • a I 2 is measured according to ASTM D-1238 and indicates melt flow properties. Higher values of ⁇ 2 indicate greater melt flow.
  • I ⁇ p is measured according to ASTM D-1238.
  • c Methylalumoxane having molecular weight 1200 available from Schering A.G. in toluene.
  • d Methylaluminoxane was modified methylalumoxane, prepared according to USP 5,041,584, available from Texas Al yls.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
PCT/US1992/010360 1992-01-06 1992-12-01 Improved catalyst composition WO1993014132A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE69224287T DE69224287T2 (de) 1992-01-06 1992-12-01 Katalysatorzusammensetzung
EP92925471A EP0574561B1 (en) 1992-01-06 1992-12-01 Improved catalyst composition
US08/108,693 US5453410A (en) 1992-01-06 1992-12-01 Catalyst composition
CA002105555A CA2105555C (en) 1992-01-06 1992-12-01 Improved catalyst composition
JP51243193A JP3275078B2 (ja) 1992-01-06 1992-12-01 オレフィンの重合法
KR1019930702664A KR100262023B1 (ko) 1992-01-06 1992-12-01 개선된 촉매 조성물
FI933861A FI114641B (fi) 1992-01-06 1993-09-03 Parannettu katalyyttikoostumus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81720292A 1992-01-06 1992-01-06
US07/817,202 1992-01-06

Publications (1)

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WO1993014132A1 true WO1993014132A1 (en) 1993-07-22

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US (1) US5453410A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (2) EP0574561B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP3275078B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR100262023B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA2105555C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE69232297T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (2) ES2165562T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI114641B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW211018B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1993014132A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994007927A1 (en) * 1992-10-05 1994-04-14 Exxon Chemical Patents Inc. Catalyst system of enhanced productivity and its use in polymerization process
WO1995007941A1 (en) * 1993-09-17 1995-03-23 Exxon Chemical Patents Inc. Olefin polymerisation process
BE1007614A3 (nl) * 1993-10-11 1995-08-22 Dsm Nv Werkwijze voor de polymerisatie van een olefine in aanwezigheid van een katalysator gevormd uit halogeenmetalloceen.
EP0708117A1 (en) * 1994-10-03 1996-04-24 Sumitomo Chemical Company Limited Process for producing copolymer rubber
EP0705849A4 (en) * 1993-06-15 1996-10-23 Idemitsu Kosan Co PROCESS FOR PRODUCING OLEFINIC POLYMER, AND CATALYST FOR POLYMERIZATION OF OLEFIN
US5801113A (en) * 1990-06-22 1998-09-01 Exxon Chemical Patents, Inc. Polymerization catalyst systems, their production and use
US5811379A (en) * 1996-06-17 1998-09-22 Exxon Chemical Patents Inc. Polymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such polymers and additives and use thereof (PT-1267)
US6066603A (en) * 1996-06-17 2000-05-23 Exxon Chemical Patents Inc. Polar monomer containing copolymers derived from olefins useful as lubricant and useful as lubricant and fuel oil additivies process for preparation of such copolymers and additives and use thereof
US6147174A (en) * 1998-07-16 2000-11-14 Univation Technologies, Llc Aluminum based lewis acid cocatalysts for olefin polymerization
US6172015B1 (en) 1997-07-21 2001-01-09 Exxon Chemical Patents, Inc Polar monomer containing copolymers derived from olefins useful as lubricant and fuel oil additives, processes for preparation of such copolymers and additives and use thereof
US6211312B1 (en) 1998-06-12 2001-04-03 Univation Technologies Olefin polymerization process using activated lewis acid-base complexes
JP3180523B2 (ja) 1993-09-13 2001-06-25 出光興産株式会社 スチレン系重合体製造用触媒の選択方法
US6294625B1 (en) 1990-03-20 2001-09-25 Exxonmobil Chemical Patents Inc. Catalyst system of enhanced productivity and its use in polymerization process
JP3216748B2 (ja) 1993-07-23 2001-10-09 出光興産株式会社 芳香族ビニル化合物重合体組成物の製造触媒及びそれを用いた芳香族ビニル化合物重合体組成物の製造方法
US6355819B1 (en) 1997-04-14 2002-03-12 Borealis Technology Oy Substituted metallocene compounds for olefin polymerization catalyst systems, their intermediates and methods for preparing them
US6403773B1 (en) 1998-09-30 2002-06-11 Exxon Mobil Chemical Patents Inc. Cationic group 3 catalyst system
US6475946B1 (en) 1999-10-22 2002-11-05 Exxonmobil Chemical Patents Inc. Olefin polymerization catalysis with aryl substituted carbenium cationic complexes
US6476164B1 (en) 1999-10-22 2002-11-05 Exxonmobil Chemical Patents Inc. Carbenium cationic complexes suitable for polymerization catalysts
US6486088B1 (en) 1998-10-23 2002-11-26 Exxonmobil Chemical Patents Inc. High activity carbenium-activated polymerization catalysts
US6489480B2 (en) 1999-12-09 2002-12-03 Exxonmobil Chemical Patents Inc. Group-15 cationic compounds for olefin polymerization catalysts
WO2003000740A2 (en) 2001-06-20 2003-01-03 Exxonmobil Chemical Patents Inc. Polyolefins made by catalyst comprising a noncoordinating anion and articles comprising them
US6562920B2 (en) 1999-12-20 2003-05-13 Exxonmobil Chemical Patents Inc. Processes for the preparation polyolefin resins using supported ionic catalysts
US6627723B2 (en) 1999-12-22 2003-09-30 Exxonmobil Chemical Patents Inc. Adhesive alpha-olefin inter-polymers
US6809209B2 (en) 2000-04-07 2004-10-26 Exxonmobil Chemical Patents Inc. Nitrogen-containing group-13 anionic compounds for olefin polymerization
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CA2105555A1 (en) 1993-07-07
ES2111656T3 (es) 1998-03-16
DE69224287D1 (de) 1998-03-05
EP0802204B1 (en) 2001-12-12
FI114641B (fi) 2004-11-30
DE69232297D1 (de) 2002-01-24
EP0574561A1 (en) 1993-12-22
EP0802204A2 (en) 1997-10-22
KR100262023B1 (ko) 2000-07-15
DE69224287T2 (de) 1998-08-27
EP0802204A3 (en) 2000-03-15
JP3275078B2 (ja) 2002-04-15
CA2105555C (en) 2003-12-30
FI933861A0 (fi) 1993-09-03
DE69232297T2 (de) 2002-08-14
JPH06505767A (ja) 1994-06-30
TW211018B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-08-11
ES2165562T3 (es) 2002-03-16
EP0574561B1 (en) 1998-01-28
FI933861L (fi) 1993-09-03
US5453410A (en) 1995-09-26

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