YU213389A - Process for using triethylaluminum for obtaining alumoxanic carrier for active metalocenic catalyst - Google Patents

Process for using triethylaluminum for obtaining alumoxanic carrier for active metalocenic catalyst

Info

Publication number
YU213389A
YU213389A YU02133/89A YU213389A YU213389A YU 213389 A YU213389 A YU 213389A YU 02133/89 A YU02133/89 A YU 02133/89A YU 213389 A YU213389 A YU 213389A YU 213389 A YU213389 A YU 213389A
Authority
YU
Yugoslavia
Prior art keywords
catalyst
silica gel
alumoxane
olefins
supported
Prior art date
Application number
YU02133/89A
Other languages
English (en)
Inventor
M Chang
Original Assignee
Exxon Chemical Patents Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Exxon Chemical Patents Inc filed Critical Exxon Chemical Patents Inc
Publication of YU213389A publication Critical patent/YU213389A/xx

Links

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
    • 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
    • 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
    • C08F4/639—Component covered by group C08F4/62 containing a transition metal-carbon bond
    • C08F4/63912—Component covered by group C08F4/62 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
    • C08F4/639—Component covered by group C08F4/62 containing a transition metal-carbon bond
    • C08F4/63916—Component covered by group C08F4/62 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • 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
    • C08F4/639—Component covered by group C08F4/62 containing a transition metal-carbon bond
    • C08F4/6392—Component covered by group C08F4/62 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • 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
    • C08F4/639—Component covered by group C08F4/62 containing a transition metal-carbon bond
    • C08F4/6392—Component covered by group C08F4/62 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/63922—Component covered by group C08F4/62 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • 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
    • Y10S526/943—Polymerization with metallocene catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Unwinding Webs (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
YU02133/89A 1988-11-08 1989-11-08 Process for using triethylaluminum for obtaining alumoxanic carrier for active metalocenic catalyst YU213389A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/268,834 US4925821A (en) 1987-12-17 1988-11-08 Method for utilizing triethyaluminum to prepare an alumoxane support for an active metallocene catalyst

Publications (1)

Publication Number Publication Date
YU213389A true YU213389A (en) 1991-02-28

Family

ID=23024690

Family Applications (1)

Application Number Title Priority Date Filing Date
YU02133/89A YU213389A (en) 1988-11-08 1989-11-08 Process for using triethylaluminum for obtaining alumoxanic carrier for active metalocenic catalyst

Country Status (17)

Country Link
US (1) US4925821A (da)
EP (1) EP0368644B1 (da)
JP (1) JPH03502210A (da)
KR (1) KR900701857A (da)
AT (1) ATE148893T1 (da)
AU (1) AU621172B2 (da)
BR (1) BR8907158A (da)
CA (1) CA2002436A1 (da)
DE (1) DE68927765T2 (da)
DK (1) DK163790A (da)
ES (1) ES2097743T3 (da)
FI (1) FI903448A0 (da)
HU (1) HUT55416A (da)
IL (1) IL92242A0 (da)
PT (1) PT92233A (da)
WO (1) WO1990005149A1 (da)
YU (1) YU213389A (da)

Families Citing this family (105)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2058383A1 (en) * 1991-05-17 1992-11-18 Ted M. Pettijohn Olefin polymerization
EP0515132B2 (en) * 1991-05-20 2003-08-27 Mitsui Chemicals, Inc. Olefin polymerization catalyst and olefin polymerization
FI112233B (fi) * 1992-04-01 2003-11-14 Basell Polyolefine Gmbh Katalyytti olefiinipolymerointia varten, menetelmä sen valmistamiseksi ja sen käyttö
EP0578838A1 (en) * 1992-04-29 1994-01-19 Hoechst Aktiengesellschaft Olefin polymerization catalyst, process for its preparation, and its use
EP0567952B1 (en) * 1992-04-29 1997-12-03 Hoechst Aktiengesellschaft Olefin polymerization catalyst, process for its preparation, and its use
US5238892A (en) * 1992-06-15 1993-08-24 Exxon Chemical Patents Inc. Supported catalyst for 1-olefin(s) (co)polymerization
US5602067A (en) * 1992-12-28 1997-02-11 Mobil Oil Corporation Process and a catalyst for preventing reactor fouling
US5608019A (en) * 1992-12-28 1997-03-04 Mobil Oil Corporation Temperature control of MW in olefin polymerization using supported metallocene catalyst
US5332706A (en) * 1992-12-28 1994-07-26 Mobil Oil Corporation Process and a catalyst for preventing reactor fouling
US5420220A (en) * 1993-03-25 1995-05-30 Mobil Oil Corporation LLDPE films
US5523136A (en) * 1993-04-30 1996-06-04 Cypress Packaging Packaging film, packages and methods for using them
JP2902784B2 (ja) * 1993-05-25 1999-06-07 エクソン・ケミカル・パテンツ・インク 新規なポリオレフィン繊維及びそれらの布
US5414180A (en) * 1993-07-14 1995-05-09 Phillips Petroleum Company Organo-aluminoxy product and use
US5455741A (en) * 1993-10-26 1995-10-03 Pulse Engineering, Inc. Wire-lead through hole interconnect device
US5614456A (en) * 1993-11-15 1997-03-25 Mobil Oil Corporation Catalyst for bimodal molecular weight distribution ethylene polymers and copolymers
DE4344672C1 (de) * 1993-12-27 1995-06-14 Basf Ag Verfahren zur Herstellung von Polymerisaten des Ethylens durch Suspensionspolymerisation
US5525678A (en) * 1994-09-22 1996-06-11 Mobil Oil Corporation Process for controlling the MWD of a broad/bimodal resin produced in a single reactor
US5529965A (en) * 1994-10-28 1996-06-25 Exxon Chemical Patents Inc. Polymerization catalyst systems, their production and use
US6506866B2 (en) 1994-11-17 2003-01-14 Dow Global Technologies Inc. Ethylene copolymer compositions
US6043180A (en) * 1994-11-17 2000-03-28 The Dow Chemical Company Supported catalyst component, supported catalyst, their preparation, and addition polymerization process
US5882750A (en) * 1995-07-03 1999-03-16 Mobil Oil Corporation Single reactor bimodal HMW-HDPE film resin with improved bubble stability
CN1047388C (zh) * 1995-07-14 1999-12-15 中国石油化工总公司 负载型金属茂类化合物／铝氧烷催化剂的制备
ES2120868B1 (es) * 1995-08-03 2000-09-16 Repsol Quimica Sa Sistema de catalizadores hetereogeneos tipo metalogeno, para procesos de obtencion de poliolefinas.
US6486089B1 (en) 1995-11-09 2002-11-26 Exxonmobil Oil Corporation Bimetallic catalyst for ethylene polymerization reactions with uniform component distribution
US5756416A (en) * 1995-11-28 1998-05-26 Union Carbide Chemicals & Plastics Technology Corporation Catalyst composition having improved comonomer reactivity
US5902684A (en) * 1996-03-12 1999-05-11 Tenneco Packaging Inc. Multilayered Metallocene stretch wrap films
USRE38429E1 (en) * 1996-03-12 2004-02-17 Tyco Plastics Services Ag Stretch wrap films
US5998017A (en) * 1996-03-12 1999-12-07 Tenneco Packaging Stretch wrap films
US5976682A (en) * 1996-03-12 1999-11-02 Tenneco Packaging Stretch wrap films
US6417130B1 (en) 1996-03-25 2002-07-09 Exxonmobil Oil Corporation One pot preparation of bimetallic catalysts for ethylene 1-olefin copolymerization
ES2129323B1 (es) * 1996-04-18 2000-09-16 Repsol Quimica Sa Procedimiento para la obtencion de un sistema catalitico para la polimerizacion de alpha-olefinas en suspension en fase gas a bajas y altas temperaturas o en masa a altas presiones y altas o bajas temperaturas
US5739368A (en) * 1996-05-10 1998-04-14 Albemarle Corporation Use of heat treated alumoxanes in preparing supported catalysts
AU3505497A (en) * 1996-07-15 1998-02-09 Mobil Oil Corporation Comonomer pretreated bimetallic catalyst for blow molding and film applications
ES2142140T3 (es) * 1996-10-30 2000-04-01 Repsol Quimica Sa Catalizadores organometalicos para la polimerizacion y copolimerizacion de alfa-olefinas.
EP0839834B1 (en) 1996-10-30 2001-06-13 Repsol Quimica S.A. Catalyst systems for the polymerization and copolymerization of alpha-olefins
ES2154017T3 (es) 1996-10-31 2001-03-16 Repsol Quimica Sa Sistemas cataliticos para la polimerizacion y copolimerizacion de alfa-olefinas.
US5851070A (en) * 1996-12-05 1998-12-22 Tenneco Packaging Inc. Seals for plastic bags
US5919535A (en) * 1996-12-05 1999-07-06 Tenneco Packaging Fins for plastic bags
US6376035B1 (en) 1996-12-05 2002-04-23 Pactiv Corporation Zipper fins for plastic bags
US5968864A (en) * 1996-12-20 1999-10-19 Fina Technology, Inc. Catalyst efficiency for supported metallocene catalyst
US5989725A (en) * 1997-01-16 1999-11-23 Tenneco Packaging Clear high molecular weight film
US6005463A (en) * 1997-01-30 1999-12-21 Pulse Engineering Through-hole interconnect device with isolated wire-leads and component barriers
EP0856524A1 (en) 1997-02-01 1998-08-05 Repsol Quimica S.A. Heterogeneous catalyst components for olefins polymerization, preparation process and use thereof
US6013378A (en) * 1997-03-17 2000-01-11 Tenneco Packaging HMW HDPE film with improved impact strength
US6093480A (en) * 1997-05-21 2000-07-25 Tenneco Packaging Stretch wrap films
US5907942A (en) * 1997-05-21 1999-06-01 Tenneco Packaging Stretch wrap films
US5922441A (en) * 1997-06-11 1999-07-13 Tenneco Packaging Inc. Stretch wrap films
US5907943A (en) * 1997-06-11 1999-06-01 Tenneco Packaging Inc. Stretch wrap films
US6051525A (en) * 1997-07-14 2000-04-18 Mobil Corporation Catalyst for the manufacture of polyethylene with a broad or bimodal molecular weight distribution
US6153551A (en) 1997-07-14 2000-11-28 Mobil Oil Corporation Preparation of supported catalyst using trialkylaluminum-metallocene contact products
DE19741201A1 (de) * 1997-09-18 1999-03-25 Wacker Chemie Gmbh Auf Organopolysiloxanmikrogelpartikeln immobilisierte Organoaluminiumverbindungen
US5990035A (en) * 1997-10-21 1999-11-23 Koeppl; Alexander Polymerization catalyst systems, their preparation, and use
CN1242778A (zh) * 1997-10-29 2000-01-26 蒙特尔技术有限公司 烯烃聚合的催化剂及其制备方法
US6083611A (en) * 1997-11-12 2000-07-04 Tenneco Packaging, Inc. Roll wrap film
PT953581E (pt) 1998-04-27 2004-07-30 Repsol Quimica Sa Sistemas cataliticos para a polimerizacao e a copolimerizacao de alfa-olefinas
US6046347A (en) * 1998-09-24 2000-04-04 Akzo Nobel Nv Aluminoxane synthesis employing reduced amount of trialkylaluminum compound
CA2465647C (en) * 2001-11-30 2010-12-14 Exxonmobil Chemical Patents, Inc. Ethylene/alpha-olefin copolymer made with a non-single-site/single-site catalyst combination, its preparation and use
EP1611169B1 (en) * 2003-03-21 2010-06-02 Dow Global Technologies Inc. Morphology controlled olefin polymerization process
US6953764B2 (en) 2003-05-02 2005-10-11 Dow Global Technologies Inc. High activity olefin polymerization catalyst and process
US7385015B2 (en) * 2004-10-12 2008-06-10 Exxonmobil Chemical Patents Inc. Trialkylaluminum treated supports
EP1803747A1 (en) 2005-12-30 2007-07-04 Borealis Technology Oy Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films
ES2567141T3 (es) 2006-05-05 2016-04-20 Dow Global Technologies Llc Complejos de hafnio de ligandos de imidazol sustituidos con carbazolilo
TW200932762A (en) 2007-10-22 2009-08-01 Univation Tech Llc Polyethylene compositions having improved properties
TW200936619A (en) 2007-11-15 2009-09-01 Univation Tech Llc Polymerization catalysts, methods of making, methods of using, and polyolefin products made therefrom
JP5661645B2 (ja) 2009-01-08 2015-01-28 ユニベーション・テクノロジーズ・エルエルシー ポリオレフィン重合プロセス用の添加剤
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
BRPI1015361A2 (pt) 2009-07-23 2018-02-20 Univation Tech Llc sistema de reação de polimerização
US8598283B2 (en) 2010-02-18 2013-12-03 Univation Technologies, Llc Methods for operating a polymerization reactor
JP5727523B2 (ja) 2010-02-22 2015-06-03 ユニベーション・テクノロジーズ・エルエルシー 触媒系及びポリオレフィン製品を製造するための該触媒系の使用方法
EP2558531B1 (en) 2010-04-13 2017-02-15 Univation Technologies, LLC Polymer blends and films made therefrom
WO2012009215A1 (en) 2010-07-16 2012-01-19 Univation Technologies, Llc Systems and methods for measuring static charge on particulates
BR112013000679A2 (pt) 2010-07-16 2016-05-31 Univation Tech Llc sistemas e métodos para medir acúmulo de partícula em superfícies de reator
WO2012015898A1 (en) 2010-07-28 2012-02-02 Univation Technologies, Llc Systems and methods for measuring velocity of a particle/fluid mixture
EP2651982B1 (en) 2010-12-17 2018-04-11 Univation Technologies, LLC Systems and methods for recovering hydrocarbons from a polyolefin purge gas product
CN103347905B (zh) 2010-12-22 2015-12-16 尤尼威蒂恩技术有限责任公司 用于聚烯烃聚合方法的添加剂
WO2013028283A1 (en) 2011-08-19 2013-02-28 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
WO2013070602A1 (en) 2011-11-08 2013-05-16 Univation Technologies, Llc Methods for producing polyolefins with catalyst systems
SG11201404696VA (en) 2012-03-05 2014-12-30 Univation Tech Llc Methods for making catalyst compositions and polymer products produced therefrom
EP2923756B1 (en) 2012-11-26 2018-05-30 Braskem S.A. Metallocene catalyst supported by hybrid supporting means, process for producing same, polymerization process for producing an ethylene homopolymer or copolymer with broad or bimodal molar mass distribution, use of the supported metallocene catalyst and ethylene polymer with broad or bimodal molar mass distribution
CA2800056A1 (en) 2012-12-24 2014-06-24 Nova Chemicals Corporation Polyethylene blend compositions
WO2014106143A1 (en) 2012-12-28 2014-07-03 Univation Technologies, Llc Supported catalyst with improved flowability
EP2953985B1 (en) 2013-02-07 2023-06-07 Univation Technologies, LLC Preparation of polyolefin
EP2970524B1 (en) 2013-03-15 2018-03-07 Univation Technologies, LLC Tridentate nitrogen based ligands for olefin polymerisation catalysts
ES2644669T3 (es) 2013-03-15 2017-11-29 Univation Technologies, Llc Ligandos para catalizadores
BR112015029498B1 (pt) 2013-06-05 2020-10-27 Univation Technologies, Llc método para proteger um grupo fenol em um composto precursor e método para gerar um polímero de polietileno
CA2957809C (en) 2014-08-19 2023-01-03 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
US10208139B2 (en) 2014-08-19 2019-02-19 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
SG11201701265UA (en) 2014-08-19 2017-03-30 Univation Tech Llc Fluorinated catalyst supports and catalyst systems
EP3247548B1 (en) 2015-01-21 2021-09-01 Univation Technologies, LLC Methods for controlling polymer chain scission
CA2974122C (en) 2015-01-21 2023-09-19 Univation Technologies, Llc Methods for gel reduction in polyolefins
CN107660216B (zh) 2015-05-08 2021-05-14 埃克森美孚化学专利公司 聚合方法
WO2018063764A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
EP3519466B1 (en) 2016-09-27 2023-07-05 Univation Technologies, LLC Method for long chain branching control in polyethylene production
WO2018063767A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063765A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018118155A1 (en) 2016-12-20 2018-06-28 Exxonmobil Chemical Patents Inc. Polymerization process
CA3052770C (en) 2017-02-07 2021-09-07 Exxonmobil Chemical Patents Inc. Processes for reducing the loss of catalyst activity of a ziegler-natta catalyst
US11193008B2 (en) 2017-04-10 2021-12-07 Exxonmobil Chemical Patents Inc. Methods for making polyolefin polymer compositions
US10947329B2 (en) 2017-05-10 2021-03-16 Univation Technologies, Llc Catalyst systems and processes for using the same
WO2019118073A1 (en) 2017-12-13 2019-06-20 Exxonmobil Chemical Patents Inc. Deactivation methods for active components from gas phase polyolefin polymerization process
WO2019173030A1 (en) 2018-03-08 2019-09-12 Exxonmobil Chemical Patents Inc. Methods of preparing and monitoring a seed bed for polymerization reactor startup
CN112055720B (zh) 2018-05-02 2022-11-22 埃克森美孚化学专利公司 从中试装置放大到较大生产设施的方法
EP3788081A1 (en) 2018-05-02 2021-03-10 ExxonMobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
WO2022020025A1 (en) 2020-07-22 2022-01-27 Exxonmobil Chemical Patents Inc. Polyolefin compositions and articles thereof
WO2022126068A1 (en) 2020-12-08 2022-06-16 Exxonmobil Chemical Patents Inc. High density polyethylene compositions with long-chain branching

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3240382A1 (de) * 1982-11-02 1984-05-03 Hoechst Ag, 6230 Frankfurt Verfahren zur herstellung von gefuellten polyolefinen
DE3424697C2 (de) * 1984-07-05 1999-07-08 Targor Gmbh Verfahren zur Polymerisation von Ethylen oder von Mischungen von Ethylen mit anderen 1-Olefinen
US4808561A (en) * 1985-06-21 1989-02-28 Exxon Chemical Patents Inc. Supported polymerization catalyst
WO1987003889A1 (en) * 1985-12-24 1987-07-02 Mitsui Petrochemical Industries, Ltd. Process for polymerization of alpha-olefins
EP0315234A1 (en) * 1987-10-26 1989-05-10 Texas Alkyls, Inc. Process for preparation of aluminoxanes
US4912075A (en) * 1987-12-17 1990-03-27 Exxon Chemical Patents Inc. Method for preparing a supported metallocene-alumoxane catalyst for gas phase polymerization
US5008228A (en) * 1988-03-29 1991-04-16 Exxon Chemical Patents Inc. Method for preparing a silica gel supported metallocene-alumoxane catalyst
US4935397A (en) * 1988-09-28 1990-06-19 Exxon Chemical Patents Inc. Supported metallocene-alumoxane catalyst for high pressure polymerization of olefins and a method of preparing and using the same

Also Published As

Publication number Publication date
IL92242A0 (en) 1990-07-26
HUT55416A (en) 1991-05-28
AU621172B2 (en) 1992-03-05
FI903448A0 (fi) 1990-07-06
AU4624889A (en) 1990-05-28
BR8907158A (pt) 1991-02-26
PT92233A (pt) 1990-05-31
HU896883D0 (en) 1990-12-28
US4925821A (en) 1990-05-15
WO1990005149A1 (en) 1990-05-17
EP0368644B1 (en) 1997-02-12
DE68927765D1 (de) 1997-03-27
DK163790D0 (da) 1990-07-06
DE68927765T2 (de) 1997-05-28
ATE148893T1 (de) 1997-02-15
CA2002436A1 (en) 1990-05-08
EP0368644A1 (en) 1990-05-16
JPH03502210A (ja) 1991-05-23
DK163790A (da) 1990-08-23
KR900701857A (ko) 1990-12-04
ES2097743T3 (es) 1997-04-16

Similar Documents

Publication Publication Date Title
YU213389A (en) Process for using triethylaluminum for obtaining alumoxanic carrier for active metalocenic catalyst
YU207289A (en) Process for using triethylaluminum for obtaining alumoxanic carrier for active metalocenic catalyst
IL88494A (en) Preparation of a supported metallocene-alumoxane catalyst for gas phase polymerization
IL89587A0 (en) Preparation of a silica gel supported metallocene alumoxane catalyst