GR3029597T3 - Process for preparing an in situ polyethylene blend - Google Patents

Process for preparing an in situ polyethylene blend

Info

Publication number
GR3029597T3
GR3029597T3 GR990400684T GR990400684T GR3029597T3 GR 3029597 T3 GR3029597 T3 GR 3029597T3 GR 990400684 T GR990400684 T GR 990400684T GR 990400684 T GR990400684 T GR 990400684T GR 3029597 T3 GR3029597 T3 GR 3029597T3
Authority
GR
Greece
Prior art keywords
molecular weight
weight polymer
polyethylene blend
preparing
reactor
Prior art date
Application number
GR990400684T
Other languages
Greek (el)
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
Publication of GR3029597T3 publication Critical patent/GR3029597T3/el

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 four or more carbon atoms
    • C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • 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)
GR990400684T 1994-11-23 1999-03-05 Process for preparing an in situ polyethylene blend GR3029597T3 (en)

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
GR3029597T3 true GR3029597T3 (en) 1999-06-30

Family

ID=23347947

Family Applications (1)

Application Number Title Priority Date Filing Date
GR990400684T GR3029597T3 (en) 1994-11-23 1999-03-05 Process for preparing an in situ polyethylene blend

Country Status (10)

Country Link
US (1) US5589539A (cg-RX-API-DMAC7.html)
EP (1) EP0713888B1 (cg-RX-API-DMAC7.html)
JP (1) JPH08208738A (cg-RX-API-DMAC7.html)
AT (1) ATE175980T1 (cg-RX-API-DMAC7.html)
AU (1) AU689334B2 (cg-RX-API-DMAC7.html)
BR (1) BR9505265A (cg-RX-API-DMAC7.html)
CA (1) CA2163467C (cg-RX-API-DMAC7.html)
DE (1) DE69507436T2 (cg-RX-API-DMAC7.html)
ES (1) ES2128001T3 (cg-RX-API-DMAC7.html)
GR (1) GR3029597T3 (cg-RX-API-DMAC7.html)

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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
KR100458708B1 (ko) * 1995-12-07 2005-01-31 닛뽕폴리올레핀가부시키가이샤 폴리에틸렌수지및이를사용한파이프및파이프용이음재
KR100445310B1 (ko) * 1996-01-22 2004-10-15 다우 글로벌 테크놀로지스 인크. 향상된성질을나타내는폴리올레핀탄성중합체혼합물
US5736237A (en) * 1996-11-25 1998-04-07 Union Carbide Chemicals & Plastics Technology Corporation Geomembranes
JP2001526725A (ja) * 1997-05-20 2001-12-18 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 コーポレイション 現場ポリエチレンブレンドの製造方法
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
CN1993391A (zh) 2004-08-09 2007-07-04 联合碳化化学及塑料技术公司 强喷雾干燥的齐格勒－纳塔前催化剂及使用其的聚合方法
US20060054692A1 (en) * 2004-08-09 2006-03-16 David Dickey Wireless inventory management system and method
EP2218751A1 (en) 2004-12-17 2010-08-18 Dow Global Technologies Inc. Rheology modified polyethylene compositions
ATE401123T1 (de) 2004-12-17 2008-08-15 Borealis Tech Oy Verfahren zur polymerisation von olefinen in gegenwart eines olefin polymerisationskatalysators
US20070010626A1 (en) * 2005-07-11 2007-01-11 Shankernarayanan Manivakkam J Polyethylene compositions
EP1785435A1 (en) * 2005-11-09 2007-05-16 Borealis Technology Oy Method for Studying Catalyst Homogeneity
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 (en) * 2007-09-03 2009-03-04 INEOS Manufacturing Belgium NV Slurry phase polymerisation process
US20100261859A1 (en) * 2007-12-20 2010-10-14 Basell Poliolefine Italia S.R.L. Catalyst components for the polymerization of olefins
EP2225287B1 (en) 2007-12-28 2011-08-31 Basell Poliolefine Italia S.r.l. Catalyst components for the polymerization of olefins
JP5378408B2 (ja) * 2007-12-31 2013-12-25 ダウ グローバル テクノロジーズ エルエルシー エチレン系ポリマー組成物、その組成物の製造方法その組成物による製品
US20110130271A1 (en) * 2008-08-06 2011-06-02 Union Carbide Chemicals & Plastics Technology Llc Ziegler-natta catalyst compositions for producing polyethylenes with a high molecular weight tail and methods of making the same
WO2012004675A2 (en) * 2010-07-06 2012-01-12 Ticona Gmbh Process for producing high molecular weight polyethylene
EP2658884A1 (en) 2010-12-31 2013-11-06 Union Carbide Chemicals & Plastics Technology LLC Polymers, method of producing the same, and articles made therefrom
EP3241611B1 (en) 2016-05-02 2020-03-04 Borealis AG A process for feeding a polymerisation catalyst
EP3483189A1 (en) 2017-11-14 2019-05-15 Borealis AG Automated method for terminating an olefin polymerization reaction under emergency conditions
WO2019162760A1 (en) 2018-02-05 2019-08-29 Exxonmobil Chemical Patents Inc. A Corporation Of State Of Delaware Enhanced processability of lldpe by addition of ultra-high molecular weight high density polyethylene
CN116507404A (zh) 2020-11-27 2023-07-28 北欧化工股份公司 催化剂进料系统

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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
US5047468A (en) * 1988-11-16 1991-09-10 Union Carbide Chemicals And Plastics Technology Corporation Process for the in situ blending of polymers
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
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
DE69218995T2 (de) * 1991-03-06 1997-10-16 Mobil Oil Corp 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
CA2163467A1 (en) 1996-05-24
AU3799595A (en) 1996-05-30
CA2163467C (en) 1999-04-13
ES2128001T3 (es) 1999-05-01
ATE175980T1 (de) 1999-02-15
US5589539A (en) 1996-12-31
DE69507436T2 (de) 1999-06-24
BR9505265A (pt) 1997-09-16
DE69507436D1 (de) 1999-03-04
JPH08208738A (ja) 1996-08-13
AU689334B2 (en) 1998-03-26
EP0713888A3 (cg-RX-API-DMAC7.html) 1996-07-10
EP0713888A2 (en) 1996-05-29
EP0713888B1 (en) 1999-01-20

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