BR7704206A - Composicao de catalisador;aperfeicoamento em processo para a polimerizacao por catalise do etileno;e processo para a preparacao de um catalisador de polimerizacao de alfa-olefina com veiculo de silica - Google Patents

Composicao de catalisador;aperfeicoamento em processo para a polimerizacao por catalise do etileno;e processo para a preparacao de um catalisador de polimerizacao de alfa-olefina com veiculo de silica

Info

Publication number
BR7704206A
BR7704206A BR7704206A BR7704206A BR7704206A BR 7704206 A BR7704206 A BR 7704206A BR 7704206 A BR7704206 A BR 7704206A BR 7704206 A BR7704206 A BR 7704206A BR 7704206 A BR7704206 A BR 7704206A
Authority
BR
Brazil
Prior art keywords
polymerization
catalyst
catalysis
alpha
ethylene
Prior art date
Application number
BR7704206A
Other languages
English (en)
Portuguese (pt)
Inventor
A Noshay
F 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 BR7704206A publication Critical patent/BR7704206A/pt

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
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02—Ethene

Landscapes

  • 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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerization Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR7704206A 1976-06-29 1977-06-28 Composicao de catalisador;aperfeicoamento em processo para a polimerizacao por catalise do etileno;e processo para a preparacao de um catalisador de polimerizacao de alfa-olefina com veiculo de silica BR7704206A (pt)

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 (1)

Publication Number Publication Date
BR7704206A true BR7704206A (pt) 1978-05-02

Family

ID=24815102

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7704206A BR7704206A (pt) 1976-06-29 1977-06-28 Composicao de catalisador;aperfeicoamento em processo para a polimerizacao por catalise do etileno;e processo para a preparacao de um catalisador de polimerizacao de alfa-olefina com veiculo de silica

Country Status (16)

Country Link
US (2) US4077904A (OSRAM)
JP (1) JPS533985A (OSRAM)
AU (1) AU518530B2 (OSRAM)
BE (1) BE856205A (OSRAM)
BR (1) BR7704206A (OSRAM)
CA (1) CA1091645A (OSRAM)
DE (1) DE2729122C3 (OSRAM)
DK (1) DK149204C (OSRAM)
ES (2) ES460163A1 (OSRAM)
FI (1) FI64943C (OSRAM)
FR (1) FR2356455A1 (OSRAM)
GB (1) GB1583803A (OSRAM)
IT (1) IT1077540B (OSRAM)
NL (1) NL178325C (OSRAM)
NO (2) NO150399C (OSRAM)
SE (1) SE440659B (OSRAM)

Families Citing this family (111)

* 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
US6165929A (en) * 1998-05-18 2000-12-26 Phillips Petroleum Company Compositions that can produce polymers
US6300271B1 (en) * 1998-05-18 2001-10-09 Phillips Petroleum Company Compositions that can produce polymers
MXPA00011174A (es) * 1998-05-18 2003-04-22 Phillips Petroleum Co Composicion catalizadora para polimerizar monomeros.
US6107230A (en) * 1998-05-18 2000-08-22 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
AU2003304716A1 (en) 2002-10-15 2005-11-25 Exxonmobil Chemical Patents Inc. Polyolefin adhesive compositions and articles made therefrom
CN100351275C (zh) * 2003-03-21 2007-11-28 陶氏环球技术公司 形态控制的烯烃聚合方法
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
BR122014013907B1 (pt) 2003-09-23 2020-11-10 Dow Global Technologies Inc processo para a polimerização em fase gasosa de etileno
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 (en) 2005-12-30 2007-07-04 Borealis Technology Oy Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films
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
WO2008042182A1 (en) 2006-10-03 2008-04-10 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
US8148481B2 (en) 2008-12-18 2012-04-03 Univation Technologies, Llc Method for seed bed treatment for a polymerization reaction
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
RU2527945C2 (ru) 2009-01-08 2014-09-10 Юнивейшн Текнолоджиз, Ллк Добавка для процессов полимеризации полиолефинов
US20100326017A1 (en) * 2009-06-25 2010-12-30 Darla Kindel Protective Cover
US20110009577A1 (en) 2009-07-09 2011-01-13 Union Carbide Chemicals & Plastics Technology Llc Enhanced condensed mode operation in method of producing polyofefins with chromium based catalysts
RU2011152483A (ru) 2009-07-23 2013-06-27 Юнивейшн Текнолоджиз, Ллк Реакционная система для полимеризации
WO2011078923A1 (en) 2009-12-23 2011-06-30 Univation Technologies, Llc Methods for producing catalyst systems
CN102803308B (zh) 2010-02-18 2015-04-01 尤尼威蒂恩技术有限公司 用于操作聚合反应器的方法
ES2693720T3 (es) 2010-02-22 2018-12-13 Univation Technologies, Llc Sistemas catalíticos y métodos para usar los mismos para producir productos poliolefínicos
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
BR112013014992B1 (pt) 2010-12-17 2020-12-29 Univation Technologies, Llc sistemas e métodos para recuperar hidrocarbonetos de um produto gasoso da purga de poliolefina
EP2655432B1 (en) 2010-12-22 2017-08-02 Univation Technologies, LLC Additive for polyolefin polymerization processes
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
KR102022132B1 (ko) 2011-11-08 2019-09-17 유니베이션 테크놀로지즈, 엘엘씨 촉매 시스템의 제조 방법
US9181371B2 (en) 2011-11-08 2015-11-10 Univation Technologies, Llc Methods for producing polyolefins with catalyst systems
BR112014012750B1 (pt) 2011-11-30 2020-06-02 Univation Technologies, Llc Métodos e sistemas para entrega de catalisador
US8895679B2 (en) 2012-10-25 2014-11-25 Chevron Phillips Chemical Company Lp Catalyst compositions and methods of making and using same
US8937139B2 (en) 2012-10-25 2015-01-20 Chevron Phillips Chemical Company Lp Catalyst compositions and methods of making and using same
RU2662936C2 (ru) 2012-11-01 2018-07-31 Юнивейшн Текнолоджиз, Ллк Смешанные совместимые катализаторы циглера-натты/хромовые для получения улучшенных полимерных продуктов
CN104781628B (zh) 2012-11-12 2017-07-07 尤尼威蒂恩技术有限责任公司 用于气相聚合方法的再循环气体冷却器系统
CA2800056A1 (en) 2012-12-24 2014-06-24 Nova Chemicals Corporation Polyethylene blend compositions
EP2938434B1 (en) 2012-12-28 2022-05-04 Univation Technologies, LLC Supported catalyst with improved flowability
US9650453B2 (en) 2012-12-28 2017-05-16 Univation Technologies, Llc Methods of integrating aluminoxane production into catalyst production
US9034991B2 (en) 2013-01-29 2015-05-19 Chevron Phillips Chemical Company Lp Polymer compositions and methods of making and using same
US8877672B2 (en) 2013-01-29 2014-11-04 Chevron Phillips Chemical Company Lp Catalyst compositions and methods of making and using same
CA2933157C (en) 2013-12-09 2021-11-16 Univation Technologies, Llc Feeding polymerization additives to polymerization processes
CA2837591A1 (en) 2013-12-19 2015-06-19 Nova Chemicals Corporation Polyethylene composition for extrusion coating
RU2677897C2 (ru) 2014-04-02 2019-01-22 ЮНИВЕЙШН ТЕКНОЛОДЖИЗ, ЭлЭлСи Композиции обеспечения непрерывности и способы изготовления и использования таковых
CA2870027C (en) 2014-11-07 2022-04-26 Matthew Zaki Botros Blow molding composition and process
WO2016118599A1 (en) 2015-01-21 2016-07-28 Univation Technologies, Llc Methods for controlling polymer chain scission
US10682797B2 (en) 2015-01-21 2020-06-16 Univation Technologies, Llc Methods for gel reduction in polyolefins
US10414843B2 (en) 2015-03-10 2019-09-17 Univation Technologies, Llc Spray dried catalyst compositions, methods for preparation and use in olefin polymerization processes
EP3288984B1 (en) 2015-04-27 2023-08-09 Univation Technologies, LLC Supported catalyst compositions having improved flow properties and preparation thereof
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
BR112017023386B1 (pt) 2015-05-08 2022-04-05 Exxonmobil Chemical Patents Inc Processo de polimerização em fase gasosa em modo condensado
WO2018048472A1 (en) 2016-09-09 2018-03-15 Exxonmobil Chemical Patents Inc. Pilot plant scale semi-condensing operation
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
WO2018063764A1 (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
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
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
EP3788082A1 (en) 2018-05-02 2021-03-10 ExxonMobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
US11629245B2 (en) 2018-06-28 2023-04-18 Exxonmobil Chemical Patents Inc. Polyethylene compositions, wire and cables, and methods for making the same
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
EP4032609A1 (en) * 2018-09-27 2022-07-27 Chevron Phillips Chemical Company LP Processes for producing fluorided solid oxides and uses thereof in metallocene-based catalyst systems
US20220025135A1 (en) 2018-11-13 2022-01-27 Exxonmobil Chemical Patents Inc. Polyethylene Films
US11649331B2 (en) 2018-11-13 2023-05-16 Exxonmobil Chemical Patents Inc. Polyethylene blends and films
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
US12152135B2 (en) 2020-03-12 2024-11-26 Exxonmobil Chemical Patents Inc. Films made of polyethylene blends for improved bending stiffness and high MD tear resistance
US12409597B2 (en) 2020-04-07 2025-09-09 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
US20230406973A1 (en) 2020-12-08 2023-12-21 Exxonmobil Chemical Patents Inc. High density polyethylene compositions with long-chain branching
WO2022232760A1 (en) 2021-04-30 2022-11-03 Exxonmobil Chemical Patents Inc. Processes for transitioning between different polymerization catalysts in a polymerization reactor
US20250263508A1 (en) 2021-11-02 2025-08-21 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
NO153690B (no) 1986-01-27
AU2634977A (en) 1979-01-04
ES460163A1 (es) 1978-05-16
NL7707148A (nl) 1978-01-02
NL178325B (nl) 1985-10-01
JPS533985A (en) 1978-01-14
ES460173A1 (es) 1978-05-16
DE2729122C3 (de) 1985-06-20
DE2729122A1 (de) 1978-01-05
DK149204C (da) 1986-08-04
FI772009A7 (OSRAM) 1977-12-30
FR2356455A1 (fr) 1978-01-27
DE2729122B2 (de) 1981-03-12
NL178325C (nl) 1986-03-03
NO774223L (no) 1977-12-30
NO153690C (no) 1986-05-07
AU518530B2 (en) 1981-10-08
JPS5622444B2 (OSRAM) 1981-05-25
BE856205A (fr) 1977-12-28
US4077904A (en) 1978-03-07
NO150399C (no) 1984-10-10
US4100337A (en) 1978-07-11
NO772285L (no) 1977-12-30
NO150399B (no) 1984-07-02
CA1091645A (en) 1980-12-16
SE7707470L (sv) 1977-12-30
IT1077540B (it) 1985-05-04
DK287177A (da) 1977-12-30
SE440659B (sv) 1985-08-12
FI64943B (fi) 1983-10-31
FR2356455B1 (OSRAM) 1983-12-23
FI64943C (fi) 1984-02-10
GB1583803A (en) 1981-02-04
DK149204B (da) 1986-03-10

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