ATE175980T1 - Verfahren zur herstellung einer in-situ- polyethylenmischung - Google Patents

Verfahren zur herstellung einer in-situ- polyethylenmischung

Info

Publication number
ATE175980T1
ATE175980T1 AT95308394T AT95308394T ATE175980T1 AT E175980 T1 ATE175980 T1 AT E175980T1 AT 95308394 T AT95308394 T AT 95308394T AT 95308394 T AT95308394 T AT 95308394T AT E175980 T1 ATE175980 T1 AT E175980T1
Authority
AT
Austria
Prior art keywords
molecular weight
weight polymer
producing
reactor
situ
Prior art date
Application number
AT95308394T
Other languages
English (en)
Inventor
Burkhard Eric Wagner
Arakalgud Venkatapa Ramamurthy
Original Assignee
Union Carbide Chem Plastic
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 Chem Plastic filed Critical Union Carbide Chem Plastic
Application granted granted Critical
Publication of ATE175980T1 publication Critical patent/ATE175980T1/de

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
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst

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)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerisation Methods In General (AREA)
AT95308394T 1994-11-23 1995-11-22 Verfahren zur herstellung einer in-situ- polyethylenmischung ATE175980T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/343,849 US5589539A (en) 1994-11-23 1994-11-23 Process for preparing an in situ polyethylene blend

Publications (1)

Publication Number Publication Date
ATE175980T1 true ATE175980T1 (de) 1999-02-15

Family

ID=23347947

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95308394T ATE175980T1 (de) 1994-11-23 1995-11-22 Verfahren zur herstellung einer in-situ- polyethylenmischung

Country Status (10)

Country Link
US (1) US5589539A (de)
EP (1) EP0713888B1 (de)
JP (1) JPH08208738A (de)
AT (1) ATE175980T1 (de)
AU (1) AU689334B2 (de)
BR (1) BR9505265A (de)
CA (1) CA2163467C (de)
DE (1) DE69507436T2 (de)
ES (1) ES2128001T3 (de)
GR (1) GR3029597T3 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030199450A1 (en) * 2001-04-27 2003-10-23 Chiron Corporation Regulation of cytokine synthesis and release
US5795941A (en) * 1995-10-03 1998-08-18 The Dow Chemical Company Crosslinkable bimodal polyolefin compositions
CN1096473C (zh) * 1995-12-07 2002-12-18 日本聚烯烃株式会社 聚乙烯树脂及用其制作的管材和管件接头
ES2123484T3 (es) * 1996-01-22 2003-02-16 Dow Chemical Co Mezclas de elastomeros de poliolefina que exhiben propiedades mejoradas.
US5736237A (en) * 1996-11-25 1998-04-07 Union Carbide Chemicals & Plastics Technology Corporation Geomembranes
AU730068B2 (en) * 1997-05-20 2001-02-22 Union Carbide Chemicals & Plastics Technology Corporation A process for preparing an in situ polyethylene blend
US6319998B1 (en) * 1998-03-04 2001-11-20 Exxon Mobil Chemical Patents Inc. Method for making polymer blends by using series reactors
US6486270B1 (en) * 2000-08-25 2002-11-26 Equistar Chemicals, Lp High molecular weight, medium density polyethylene
TWI268939B (en) * 2001-12-12 2006-12-21 Basell Poliolefine Spa Process for the polymerization of olefins
JP5011106B2 (ja) 2004-07-07 2012-08-29 ダウ グローバル テクノロジーズ エルエルシー エチレンポリマー組成物を製造するためのマルチステージ方法
CN102516423A (zh) 2004-08-09 2012-06-27 联合碳化化学及塑料技术有限责任公司 强喷雾干燥的齐格勒-纳塔前催化剂及使用其的聚合方法
MX2007001648A (es) * 2004-08-09 2007-04-23 Union Carbide Chem Plastic Procatalizador de ziegler-natta secado por aspersion, fuerte y proceso de polimerizacion que emplea el mismo.
ES2309445T3 (es) 2004-12-17 2008-12-16 Borealis Technology Oy Proceso para la polimerizacion de olefinas en presencia de un catalizador de polimerizacion de las mismas.
BRPI0517210B1 (pt) 2004-12-17 2017-01-24 Dow Global Technologies Inc “composição adequada para tubos, composição adequada para películas sopradas, composição adequada para artigos moldados soprados, tubo, película, artigo moldado por sopro e método para melhorar o comportamento de fluxo de fluência de uma resina”
US20070010626A1 (en) * 2005-07-11 2007-01-11 Shankernarayanan Manivakkam J Polyethylene compositions
EP1785435A1 (de) * 2005-11-09 2007-05-16 Borealis Technology Oy Methode zur Ueberpruefung der Homogenität des Katalysators
JP2007284660A (ja) * 2006-03-22 2007-11-01 Asahi Kasei Chemicals Corp ポリオレフィンの製造方法
US8080699B2 (en) * 2009-08-28 2011-12-20 Chemtura Corporation Two-stage process and system for forming high viscosity polyalphaolefins
EP2030994A1 (de) * 2007-09-03 2009-03-04 INEOS Manufacturing Belgium NV Polymerisationsprozess in der Schlammphase
US20100261859A1 (en) * 2007-12-20 2010-10-14 Basell Poliolefine Italia S.R.L. Catalyst components for the polymerization of olefins
BRPI0821817A2 (pt) 2007-12-28 2015-06-16 Basell Poliolefine Srl Componentes catalisadores para a polimerização de olefinas
KR101555726B1 (ko) * 2007-12-31 2015-09-25 다우 글로벌 테크놀로지스 엘엘씨 에틸렌-기재 중합체 조성물, 그의 제조 방법 및 그로부터 제조된 물품
WO2010017393A1 (en) * 2008-08-06 2010-02-11 Dow Global Technologies Inc. Ziegler-natta catalyst compositions for producing polyethylenes with a high molecular weight tail and methods of making the same
CN102958958A (zh) * 2010-07-06 2013-03-06 提克纳有限公司 产生高分子量聚乙烯的方法
JP2014502659A (ja) 2010-12-31 2014-02-03 ユニオン カーバイド ケミカルズ アンド プラスティックス テクノロジー エルエルシー ポリマー、それを生成する方法およびそれから製造される物品
EP3241611B1 (de) 2016-05-02 2020-03-04 Borealis AG Verfahren zum zuführen eines polymerisations-katalysators
EP3483189A1 (de) 2017-11-14 2019-05-15 Borealis AG Automatisiertes verfahren zur beendigung einer olefinpolymerisierungsreaktion unter notbedingungen
EP3749707A1 (de) 2018-02-05 2020-12-16 ExxonMobil Chemical Patents Inc. Verbesserte verarbeitbarkeit von lldpe durch zusatz von hochdichtem polyethylen mit ultrahohem molekulargewicht
EP4251312A1 (de) 2020-11-27 2023-10-04 Borealis AG Katalysatorzufuhrsystem

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4302565A (en) 1978-03-31 1981-11-24 Union Carbide Corporation Impregnated polymerization catalyst, process for preparing, and use for ethylene copolymerization
US4293673A (en) 1978-12-28 1981-10-06 Union Carbide Corporation Spheroidal polymerization catalyst, process for preparing, and use for ethylene polymerization
US4684703A (en) 1979-02-27 1987-08-04 Union Carbide Corporation Polymerization catalyst for ethylene homopolymerization
US4482687A (en) 1979-10-26 1984-11-13 Union Carbide Corporation Preparation of low-density ethylene copolymers in fluid bed reactor
US4405495A (en) * 1980-06-30 1983-09-20 Union Carbide Corporation Catalyst impregnated on fine silica, process for preparing, and use for ethylene polymerization
US4354009A (en) 1981-07-30 1982-10-12 Union Carbide Corporation Catalyst composition for copolymerizing ethylene
US4814135A (en) 1987-12-22 1989-03-21 Union Carbide Corporation Process for extrusion
US4857600A (en) 1988-05-23 1989-08-15 Union Carbide Corporation Process for grafting diacid anhydrides
US5149738A (en) * 1988-11-16 1992-09-22 Union Carbide Chemicals & Plastics Technology Corporation Process for the in situ blending of polymers
US5126398A (en) * 1988-11-16 1992-06-30 Union Carbide Chemicals & Plastics Technology Corporation Process for the in situ blending of polymers
US5047468A (en) * 1988-11-16 1991-09-10 Union Carbide Chemicals And Plastics Technology Corporation Process for the in situ blending of polymers
US5076988A (en) 1990-03-09 1991-12-31 Union Carbide Chemicals And Plastics Technology Corporation Process for the extrusion of low density polyethylene
US5106926A (en) 1990-12-11 1992-04-21 Union Carbide Chemicals & Plastics Technology Corporation Preparation of ethylene/1-octene copolymers of very low density in a fluidized bed reactor
EP0503791B1 (de) * 1991-03-06 1997-04-16 Mobil Oil Corporation Verfahren zur Herstellung von bimodale Polyethylen in Serien-Reaktoren
US5153382A (en) 1991-04-18 1992-10-06 Union Carbide Chemicals & Plastics Technology Corporation Extrusion of thermoplastic copolymers
IT1250731B (it) * 1991-07-31 1995-04-21 Himont Inc Procedimento per la preparazione di polietilene lineare a bassa densita'
JPH0565373A (ja) * 1991-09-06 1993-03-19 Nippon Petrochem Co Ltd ポリエチレン組成物
FR2689133A1 (fr) * 1992-03-27 1993-10-01 Atochem Elf Sa Catalyseur de polymérisation des oléfines, son procédé d'obtention.
US5290745A (en) 1992-08-10 1994-03-01 Union Carbide Chemicals & Plastics Technology Corporation Process for producing ethylene polymers having reduced hexane extractable content
US5284613A (en) * 1992-09-04 1994-02-08 Mobil Oil Corporation Producing blown film and blends from bimodal high density high molecular weight film resin using magnesium oxide-supported Ziegler catalyst
US5405901A (en) * 1994-07-06 1995-04-11 Union Carbide Chemicals & Plastics Technology Corporation Process of producing ethylene polymer blends in gas phase

Also Published As

Publication number Publication date
US5589539A (en) 1996-12-31
BR9505265A (pt) 1997-09-16
EP0713888A2 (de) 1996-05-29
EP0713888B1 (de) 1999-01-20
EP0713888A3 (de) 1996-07-10
DE69507436D1 (de) 1999-03-04
CA2163467C (en) 1999-04-13
CA2163467A1 (en) 1996-05-24
JPH08208738A (ja) 1996-08-13
AU3799595A (en) 1996-05-30
GR3029597T3 (en) 1999-06-30
ES2128001T3 (es) 1999-05-01
AU689334B2 (en) 1998-03-26
DE69507436T2 (de) 1999-06-24

Similar Documents

Publication Publication Date Title
ATE175980T1 (de) Verfahren zur herstellung einer in-situ- polyethylenmischung
CA2155236A1 (en) Gas phase polymerization process
EP0770629A3 (de) Verfahren zur Herstellung von 'in situ' Polyethylenmischungen
ATE263196T1 (de) Herstellung von polyäthylen mit einer breiten molekulargewichtsverteilung
DE3675642D1 (de) Einsatz von antistatika zur vermeidung von belagbildung bei der herstellung von ethylenpolymerisaten in gasphasenreakatoren.
DE69414667T2 (de) Verfahren zur herstellung von olefinpolymeren und mittels dieses verfahrens gefertigte produkte
ATE234871T1 (de) Verfahren zur polymerisation von alpha-olefinen, für die polymerisation verwendeter katalysator und seine herstellung
ATE206142T1 (de) Verfahren zur herstellung von polyethylen mit breiter molekulargewichtsverteilung
PL313493A1 (en) Polymerisation of olefins in gaseous phase
ATE199018T1 (de) Verfahren zur herstellung von äthylenpolymeren
ATE58545T1 (de) Einsatz von antistatika zur vermeidung von belagbildung bei der herstellung von ultrahochmolekularem polyethylen in gasphasenreaktoren.
ATE191723T1 (de) Verfahren zur gewinnung von polyolefinen mit breiter bimodularer oder multimodaler molekulargewichtsverteilung
ATE169307T1 (de) Verfahren zur herstellung eines ziegler-natta- katalysators
ATE136042T1 (de) Ethylenpolymere und verfahren zur herstellung derselben in der gasphase
ATE44036T1 (de) Herstellung koerniger stereoregulaerer 1-butenpolymere in einem fliessbett.
ATE151439T1 (de) Feste katalysatorkomponente zur anwendung bei stereospezifischer alpha-olefinpolymerisation, verfahren zur herstellung derselben und verfahren zur alpha-olefinpolymerisation in ihrer anwesenheit
JPS57126805A (en) Production of ethylene polymer having wide molecular weight distribution
Stanovaya et al. Production of Polyethylene by Solution Polymerization
JPS56106904A (en) Production of polyolefin
Chang Method for preparing polyethylene wax by gas phase polymerization
JPS5770109A (en) Production of polyethylene
Promel Process for preparing an ethylene polymer composition, ethylene polymer composition, and its use
Krol et al. Kinetic Models of the Step-Growth Polymerization(Condensation Polymerization and Addition Polymerization) Processes
DE69120437T2 (de) Verfahren zur Herstellung eines Ziegler-Natta-Katalysators, Verfahren für Olefinpolymerisation unter Anwendung dieses Katalysators und mit diesem Verfahren hergestellte Produkte