SE440659B - Katalysatorkomposition omfattande en uppburen kromocenforening, forfarande for dess framstellning samt anvendning av kompositionen vid etenpolymerisation - Google Patents

Katalysatorkomposition omfattande en uppburen kromocenforening, forfarande for dess framstellning samt anvendning av kompositionen vid etenpolymerisation

Info

Publication number
SE440659B
SE440659B SE7707470A SE7707470A SE440659B SE 440659 B SE440659 B SE 440659B SE 7707470 A SE7707470 A SE 7707470A SE 7707470 A SE7707470 A SE 7707470A SE 440659 B SE440659 B SE 440659B
Authority
SE
Sweden
Prior art keywords
weight
silica
catalyst composition
support
compound
Prior art date
Application number
SE7707470A
Other languages
English (en)
Swedish (sv)
Other versions
SE7707470L (sv
Inventor
A Noshay
F J Karol
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of SE7707470L publication Critical patent/SE7707470L/xx
Publication of SE440659B publication Critical patent/SE440659B/sv

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02Ethene
SE7707470A 1976-06-29 1977-06-28 Katalysatorkomposition omfattande en uppburen kromocenforening, forfarande for dess framstellning samt anvendning av kompositionen vid etenpolymerisation SE440659B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/700,843 US4077904A (en) 1976-06-29 1976-06-29 Olefin polymerization process and catalyst therefor

Publications (2)

Publication Number Publication Date
SE7707470L SE7707470L (sv) 1977-12-30
SE440659B true SE440659B (sv) 1985-08-12

Family

ID=24815102

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7707470A SE440659B (sv) 1976-06-29 1977-06-28 Katalysatorkomposition omfattande en uppburen kromocenforening, forfarande for dess framstellning samt anvendning av kompositionen vid etenpolymerisation

Country Status (16)

Country Link
US (2) US4077904A (de)
JP (1) JPS533985A (de)
AU (1) AU518530B2 (de)
BE (1) BE856205A (de)
BR (1) BR7704206A (de)
CA (1) CA1091645A (de)
DE (1) DE2729122C3 (de)
DK (1) DK149204C (de)
ES (2) ES460173A1 (de)
FI (1) FI64943C (de)
FR (1) FR2356455A1 (de)
GB (1) GB1583803A (de)
IT (1) IT1077540B (de)
NL (1) NL178325C (de)
NO (2) NO150399C (de)
SE (1) SE440659B (de)

Families Citing this family (110)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2734928A1 (de) * 1977-08-03 1979-02-22 Basf Ag Verfahren zum herstellen eines chromoxid-traegerkatalysators zur olefin-polymerisation
US4170589A (en) * 1978-02-22 1979-10-09 Union Carbide Corporation Catalytic polymerization of ethylene with supported chromium [II] catalyst in the presence of a phenolic antioxidant
EP0094915B1 (de) * 1982-05-19 1987-01-21 Ciba-Geigy Ag Härtbare, Metallocenkomplexe enthaltende Zusammensetzungen, daraus erhältliche aktivierte Vorstufen und deren Verwendung
US4596862A (en) * 1984-12-24 1986-06-24 Phillips Petroleum Company Olefin polymerization using chromium on fluorided aluminophosphate
US5096868A (en) * 1987-10-21 1992-03-17 Mobil Oil Corporation Catalyst composition for polymerizing alpha-olefins and alpha-olefins polymerization therewith
GB8919925D0 (en) * 1989-09-04 1989-10-18 Bp Chem Int Ltd Chromium-containing complex polymerisation catalyst
GB8919924D0 (en) * 1989-09-04 1989-10-18 Bp Chem Int Ltd Chromium-containing complex polymerisation catalyst
GB8919926D0 (en) * 1989-09-04 1989-10-18 Bp Chem Int Ltd Chromium-containing complex polymerisation catalyst
US5064796A (en) * 1991-01-07 1991-11-12 Exxon Chemical Patents Inc. Support adjuvant for improved vanadium polymerization catalyst
BE1005795A3 (fr) * 1992-05-13 1994-02-01 Solvay Procede de polymerisation d'olefines et (co)polymeres a blocs derives d'au moins une olefine.
US5453471B1 (en) 1994-08-02 1999-02-09 Carbide Chemicals & Plastics T Gas phase polymerization process
US5885924A (en) 1995-06-07 1999-03-23 W. R. Grace & Co.-Conn. Halogenated supports and supported activators
DE19645939A1 (de) * 1996-11-07 1998-05-14 Buna Sow Leuna Olefinverb Gmbh Verfahren zur Herstellung von ultrahochmolekularem Polyethylen und Methode zur Aktivierung des Katalysatorträgers
US6071614A (en) * 1997-07-14 2000-06-06 3M Innovative Properties Company Microporous fluorinated silica agglomerate and method of preparing and using same
FR2769245B1 (fr) * 1997-10-02 1999-10-29 Atochem Elf Sa Support solide activateur des catalyseurs metallocenes en polymerisation des olefines, son procede de preparation, systeme catalytique et procede de polymerisation correspondants
US6300271B1 (en) 1998-05-18 2001-10-09 Phillips Petroleum Company Compositions that can produce polymers
DE69939738D1 (de) * 1998-05-18 2008-11-27 Chevron Phillips Chemical Co Katalysatorzusammensetzung für monomerpolymerisation
US6107230A (en) * 1998-05-18 2000-08-22 Phillips Petroleum Company Compositions that can produce polymers
US6165929A (en) * 1998-05-18 2000-12-26 Phillips Petroleum Company Compositions that can produce polymers
US6548442B1 (en) * 1999-12-03 2003-04-15 Phillips Petroleum Company Organometal compound catalyst
US6750302B1 (en) 1999-12-16 2004-06-15 Phillips Petroleum Company Organometal catalyst compositions
US6281306B1 (en) 1999-12-16 2001-08-28 Univation Technologies, Llc Method of polymerization
US6576583B1 (en) * 2000-02-11 2003-06-10 Phillips Petroleum Company Organometal catalyst composition
CA2357385C (en) * 2001-09-17 2010-06-15 Nova Chemicals Corporation Supported phosphinimine polymerization catalyst
US7223822B2 (en) 2002-10-15 2007-05-29 Exxonmobil Chemical Patents Inc. Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom
CA2499951C (en) 2002-10-15 2013-05-28 Peijun Jiang Multiple catalyst system for olefin polymerization and polymers produced therefrom
KR20060002837A (ko) * 2003-03-21 2006-01-09 다우 글로벌 테크놀로지스 인크. 형태 제어된 올레핀 중합 방법
CA2423921A1 (en) * 2003-03-28 2004-09-28 Nova Chemicals Corporation Halogenated organic particles for catalyst supports
US6953764B2 (en) 2003-05-02 2005-10-11 Dow Global Technologies Inc. High activity olefin polymerization catalyst and process
EP2261268B1 (de) 2003-09-23 2020-04-29 Dow Global Technologies LLC Äthylenpolymerisation mittels ziegler-natta-katalysatorzusammensetzungen
US20050148742A1 (en) * 2004-01-02 2005-07-07 Hagerty Robert O. Method for controlling sheeting in gas phase reactors
US20070073012A1 (en) * 2005-09-28 2007-03-29 Pannell Richard B Method for seed bed treatment before a polymerization reaction
US7985811B2 (en) * 2004-01-02 2011-07-26 Univation Technologies, Llc Method for controlling sheeting in gas phase reactors
US7193017B2 (en) * 2004-08-13 2007-03-20 Univation Technologies, Llc High strength biomodal polyethylene compositions
US7629422B2 (en) 2004-12-21 2009-12-08 Univation Technologies, Llc Process for transitioning between Ziegler-Natta-based and chromium-based catalysts
US6987152B1 (en) 2005-01-11 2006-01-17 Univation Technologies, Llc Feed purification at ambient temperature
US7312279B2 (en) * 2005-02-07 2007-12-25 Univation Technologies, Llc Polyethylene blend compositions
US7947797B2 (en) 2005-09-14 2011-05-24 Univation Technologies, Llc Method for operating a gas-phase reactor at or near maximum production rates while controlling polymer stickiness
US7714082B2 (en) * 2005-10-04 2010-05-11 Univation Technologies, Llc Gas-phase polymerization process to achieve a high particle density
US20070109911A1 (en) * 2005-11-16 2007-05-17 Neubauer Anthony C High speed and direct driven rotating equipment for polyolefin manufacturing
EP1803747A1 (de) 2005-12-30 2007-07-04 Borealis Technology Oy Oberflächemodifizierte Polymerisationskatalysatoren zur Herstellung von Polyolefinfilmen mit niedrigem Gelgehalt
DE102006004429A1 (de) * 2006-01-31 2007-08-02 Advanced Micro Devices, Inc., Sunnyvale Halbleiterbauelement mit einem Metallisierungsschichtstapel mit einem porösen Material mit kleinem ε mit einer erhöhten Integrität
US7989562B2 (en) 2006-10-03 2011-08-02 Univation Technologies, Llc Method for preventing catalyst agglomeration based on production rate changes
CN101274968B (zh) * 2007-03-28 2012-11-21 中国石油化工股份有限公司 一种用于生产宽分子量分布的聚乙烯的复合催化剂
US7754834B2 (en) * 2007-04-12 2010-07-13 Univation Technologies, Llc Bulk density promoting agents in a gas-phase polymerization process to achieve a bulk particle density
TW200936564A (en) * 2007-11-15 2009-09-01 Univation Tech Llc Methods for the removal of impurities from polymerization feed streams
RU2515900C2 (ru) 2008-12-18 2014-05-20 Юнивейшн Текнолоджиз, Ллк Способ обработки зародышевого слоя реакции полимеризации
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
BRPI1007430B1 (pt) 2009-01-08 2020-05-12 Univation Technologies, Llc Processo de polimerização de poliolefina
US20100326017A1 (en) * 2009-06-25 2010-12-30 Darla Kindel Protective Cover
EP2451848A1 (de) 2009-07-09 2012-05-16 Union Carbide Chemicals & Plastics Technology LLC Verbesserter betrieb im kondensationsmodus bei einem verfahren zur polyolefinherstellung mit katalsatoren auf chrombasis
US8586685B2 (en) 2009-07-23 2013-11-19 Univation Technologies, Llc Polymerization reaction system
WO2011078923A1 (en) 2009-12-23 2011-06-30 Univation Technologies, Llc Methods for producing catalyst systems
ES2543635T3 (es) 2010-02-18 2015-08-20 Univation Technologies, Llc Métodos para operación de un reactor de polimerización
KR20130026531A (ko) 2010-02-22 2013-03-13 유니베이션 테크놀로지즈, 엘엘씨 폴리올레핀 생산물을 생산하기 위한 촉매 시스템 및 이의 사용 방법
US8722804B2 (en) 2010-04-13 2014-05-13 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
RU2564301C2 (ru) 2010-07-16 2015-09-27 Юнивейшн Текнолоджиз, Ллк Системы и способы измерения накопления частиц на поверхностях реактора
WO2012015898A1 (en) 2010-07-28 2012-02-02 Univation Technologies, Llc Systems and methods for measuring velocity of a particle/fluid mixture
MX337727B (es) 2010-12-17 2016-03-16 Univation Tech Llc Sistemas y metodos para recuperar hidrocarburos a partir de un producto de gas de purga de poliolefinas.
RU2577324C2 (ru) 2010-12-22 2016-03-20 Юнивейшн Текнолоджиз, Ллк Добавка для способов полимеризации полиолефина
CA2740755C (en) 2011-05-25 2019-01-15 Nova Chemicals Corporation Chromium catalysts for olefin polymerization
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
US9234060B2 (en) 2011-11-08 2016-01-12 Univation Technologies, Llc Methods of preparing a catalyst system
RU2612555C2 (ru) 2011-11-30 2017-03-09 Юнивейшн Текнолоджиз, Ллк Способы и системы доставки катализатора
US8937139B2 (en) 2012-10-25 2015-01-20 Chevron Phillips Chemical Company Lp Catalyst compositions and methods of making and using same
US8895679B2 (en) 2012-10-25 2014-11-25 Chevron Phillips Chemical Company Lp Catalyst compositions and methods of making and using same
CN104755515B (zh) 2012-11-01 2017-08-25 尤尼威蒂恩技术有限责任公司 用于改进的聚合物产品的混合相容齐格勒‑纳塔/铬催化剂
EP2917677A1 (de) 2012-11-12 2015-09-16 Univation Technologies, LLC Rückführgaskühlersysteme für gasphasenpolymerisationsverfahren
CA2800056A1 (en) 2012-12-24 2014-06-24 Nova Chemicals Corporation Polyethylene blend compositions
EP2938620B1 (de) 2012-12-28 2020-09-02 Univation Technologies, LLC Verfahren zur integration von aluminoxanproduktion in eine katalysatorproduktion
WO2014106143A1 (en) 2012-12-28 2014-07-03 Univation Technologies, Llc Supported catalyst with improved flowability
US8877672B2 (en) 2013-01-29 2014-11-04 Chevron Phillips Chemical Company Lp Catalyst compositions and methods of making and using same
US9034991B2 (en) 2013-01-29 2015-05-19 Chevron Phillips Chemical Company Lp Polymer compositions and methods of making and using same
BR112016012502A2 (pt) 2013-12-09 2017-08-08 Univation Tech Llc Alimentar aditivos de polimerização para processos de polimerização
CA2837591A1 (en) 2013-12-19 2015-06-19 Nova Chemicals Corporation Polyethylene composition for extrusion coating
JP2017512876A (ja) 2014-04-02 2017-05-25 ユニベーション・テクノロジーズ・エルエルシー 連続組成物ならびにそれらの作成及び使用の方法
CA2870027C (en) 2014-11-07 2022-04-26 Matthew Zaki Botros Blow molding composition and process
EP3247547B1 (de) 2015-01-21 2023-03-22 Univation Technologies, LLC Verfahren zur gelverminderung in polyolefinen
WO2016118599A1 (en) 2015-01-21 2016-07-28 Univation Technologies, Llc Methods for controlling polymer chain scission
BR112017019133B1 (pt) 2015-03-10 2021-11-23 Univation Technologies, Llc Método para produzir uma composição de catalisador suportado para polimerização de olefina
CN107531840B (zh) 2015-04-27 2022-11-18 尤尼威蒂恩技术有限责任公司 具有改进流动特性的负载型催化剂组合物及其制备
CN104877051B (zh) * 2015-05-06 2018-04-13 无锡耀汇科技有限公司 一种聚烯烃催化剂
CN107660216B (zh) 2015-05-08 2021-05-14 埃克森美孚化学专利公司 聚合方法
WO2018048472A1 (en) 2016-09-09 2018-03-15 Exxonmobil Chemical Patents Inc. Pilot plant scale semi-condensing operation
WO2018063765A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063764A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063767A1 (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
US11186654B2 (en) 2016-12-20 2021-11-30 Exxonmobil Chemical Patents Inc. Methods for controlling start up conditions in polymerization processes
WO2018147931A1 (en) 2017-02-07 2018-08-16 Exxonmobil Chemical Patents Inc. Processes for reducing the loss of catalyst activity of a ziegler-natta catalyst
US11591417B2 (en) 2017-12-13 2023-02-28 Exxonmobil Chemical Patents Inc. Deactivation methods for active components from gas phase polyolefin polymerization processes
WO2019173030A1 (en) 2018-03-08 2019-09-12 Exxonmobil Chemical Patents Inc. Methods of preparing and monitoring a seed bed for polymerization reactor startup
US11459408B2 (en) 2018-05-02 2022-10-04 Exxonmobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
US11447587B2 (en) 2018-05-02 2022-09-20 Exxonmobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
EP3814390A2 (de) 2018-06-28 2021-05-05 ExxonMobil Chemical Patents Inc. Polyethylenzusammensetzungen, drähte und kabel sowie verfahren zu ihrer herstellung
WO2020014138A1 (en) 2018-07-09 2020-01-16 Exxonmobil Chemical Patents Inc. Polyethylene cast films and methods for making the same
WO2020023207A1 (en) 2018-07-26 2020-01-30 Exxonmobil Chemical Patents Inc. Multilayer foam films and methods for making the same
CN113195603B (zh) 2018-11-13 2023-05-26 埃克森美孚化学专利公司 聚乙烯膜
EP3880738A1 (de) 2018-11-13 2021-09-22 ExxonMobil Chemical Patents Inc. Polyethylenmischungen und -folien
US11866522B2 (en) 2018-12-28 2024-01-09 Braskem S.A. Process for introducing catalyst in a polymerization process
WO2020163079A1 (en) 2019-02-06 2020-08-13 Exxonmobil Chemical Patents Inc. Films and backsheets for hygiene articles
WO2021126458A1 (en) 2019-12-17 2021-06-24 Exxonmobil Chemical Patents Inc. Films made of polyethylene blends for improved sealing performance and mechanical properties
US20230097375A1 (en) 2020-03-12 2023-03-30 Exxonmobil Chemical Patents Inc. Films made of polyethylene blends for improved bending stiffness and high md tear resistance
WO2021205333A1 (en) 2020-04-07 2021-10-14 Nova Chemicals (International) S.A. High density polyethylene for rigid articles
WO2022020025A1 (en) 2020-07-22 2022-01-27 Exxonmobil Chemical Patents Inc. Polyolefin compositions and articles thereof
EP4259669A1 (de) 2020-12-08 2023-10-18 ExxonMobil Chemical Patents Inc. Hochdichte polyethylenzusammensetzungen mit langkettiger verzweigung
CN117098785A (zh) 2021-04-30 2023-11-21 埃克森美孚化学专利公司 用于聚合反应器中不同聚合催化剂之间的转变的方法
WO2023081577A1 (en) 2021-11-02 2023-05-11 Exxonmobil Chemical Patents Inc. Polyethylene compositions, articles thereof, and methods thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130188A (en) * 1960-10-07 1964-04-21 Phillips Petroleum Co Catalyst and process for producing olefin polymers
US3445367A (en) * 1965-11-22 1969-05-20 Phillips Petroleum Co Catalyst and process for making olefin polymers of narrow molecular weight distribution
US3509640A (en) * 1968-09-03 1970-05-05 Gen Motors Corp Domestic dryer speed control
US3687920A (en) * 1971-01-25 1972-08-29 Union Carbide Corp Polymerization of olefins with silane modified catalyst system
US3761427A (en) * 1971-03-29 1973-09-25 Phillips Petroleum Co Olefin disproportionation catalyst and process for using same
US3709853A (en) * 1971-04-29 1973-01-09 Union Carbide Corp Polymerization of ethylene using supported bis-(cyclopentadienyl)chromium(ii)catalysts
US4011382A (en) * 1975-03-10 1977-03-08 Union Carbide Corporation Preparation of low and medium density ethylene polymer in fluid bed reactor
US4015059A (en) * 1975-12-29 1977-03-29 Union Carbide Corporation Fused ring catalyst and ethylene polymerization process therewith

Also Published As

Publication number Publication date
NL178325B (nl) 1985-10-01
JPS5622444B2 (de) 1981-05-25
US4100337A (en) 1978-07-11
AU518530B2 (en) 1981-10-08
DK287177A (da) 1977-12-30
DE2729122B2 (de) 1981-03-12
FI772009A (de) 1977-12-30
JPS533985A (en) 1978-01-14
NO772285L (no) 1977-12-30
BE856205A (fr) 1977-12-28
GB1583803A (en) 1981-02-04
DK149204B (da) 1986-03-10
FI64943B (fi) 1983-10-31
NO774223L (no) 1977-12-30
NO153690B (no) 1986-01-27
NL178325C (nl) 1986-03-03
DK149204C (da) 1986-08-04
ES460173A1 (es) 1978-05-16
ES460163A1 (es) 1978-05-16
NO153690C (no) 1986-05-07
AU2634977A (en) 1979-01-04
NL7707148A (nl) 1978-01-02
CA1091645A (en) 1980-12-16
SE7707470L (sv) 1977-12-30
FR2356455A1 (fr) 1978-01-27
BR7704206A (pt) 1978-05-02
FI64943C (fi) 1984-02-10
FR2356455B1 (de) 1983-12-23
US4077904A (en) 1978-03-07
IT1077540B (it) 1985-05-04
DE2729122A1 (de) 1978-01-05
DE2729122C3 (de) 1985-06-20
NO150399C (no) 1984-10-10
NO150399B (no) 1984-07-02

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