ZA986046B - A process for the preparation of polyethylene - Google Patents

A process for the preparation of polyethylene

Info

Publication number
ZA986046B
ZA986046B ZA986046A ZA986046A ZA986046B ZA 986046 B ZA986046 B ZA 986046B ZA 986046 A ZA986046 A ZA 986046A ZA 986046 A ZA986046 A ZA 986046A ZA 986046 B ZA986046 B ZA 986046B
Authority
ZA
South Africa
Prior art keywords
polyethylene
preparation
Prior art date
Application number
ZA986046A
Other languages
English (en)
Inventor
Dale A Wright
Theodore R Engelmann
Antonios Nicholas
Francois Alexandre
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 ZA986046B publication Critical patent/ZA986046B/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
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02—Ethene
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1809—Controlling processes
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/34—Polymerisation in gaseous state
    • 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
    • Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst
    • 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
    • Y10S526/905—Polymerization in presence of transition metal containing catalyst in presence of hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
ZA986046A 1997-08-14 1998-07-08 A process for the preparation of polyethylene ZA986046B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/911,263 US6022933A (en) 1997-08-14 1997-08-14 Process for the preparation of polyethylene

Publications (1)

Publication Number Publication Date
ZA986046B true ZA986046B (en) 1999-02-01

Family

ID=25429993

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA986046A ZA986046B (en) 1997-08-14 1998-07-08 A process for the preparation of polyethylene

Country Status (16)

Country Link
US (1) US6022933A (cs)
EP (1) EP1003792B1 (cs)
KR (1) KR20010022865A (cs)
CN (1) CN1275136A (cs)
AR (1) AR016807A1 (cs)
AT (1) ATE210157T1 (cs)
BG (1) BG104160A (cs)
CZ (1) CZ299738B6 (cs)
DE (1) DE69802812T2 (cs)
ES (1) ES2165186T3 (cs)
PL (1) PL338556A1 (cs)
PT (1) PT1003792E (cs)
RU (1) RU2184743C2 (cs)
TR (1) TR200000338T2 (cs)
WO (1) WO1999009075A1 (cs)
ZA (1) ZA986046B (cs)

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* Cited by examiner, † Cited by third party
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CZ288056B6 (cs) 1999-04-08 2001-04-11 Polymer Institute Brno, Spol. S R. O. Způsob přípravy kopolymerů ethylenu vhodných pro výrobu fólií nebo trubek
US6891001B2 (en) 2000-04-06 2005-05-10 Bp Chemicals Limited Process for the gas phase polymerization of olefins
EP1207170A1 (en) † 2000-11-20 2002-05-22 BP Chemicals S.N.C. Process for the continuous gas-phase (co-)polymerisation of olefins in a fluidised bed reactor
AU2002223866A1 (en) * 2000-11-27 2002-06-03 Bp Chemicals Limited Process for the continuous gas-phase (co-) polymerisation of olefins in a fluidised bed reactor
GB0111443D0 (en) * 2001-05-10 2001-07-04 Borealis Tech Oy Olefin polymerisation process
US6989344B2 (en) * 2002-12-27 2006-01-24 Univation Technologies, Llc Supported chromium oxide catalyst for the production of broad molecular weight polyethylene
US6833416B2 (en) * 2003-03-21 2004-12-21 Univation Technologies, Llc Methods of polymerizing olefin monomers with mixed catalyst systems
AU2004232695A1 (en) * 2003-03-28 2004-11-04 Union Carbide Chemicals & Plastics Technology Corporation Chromium-based catalysts in mineral oil for production of polyethylene
US6935185B2 (en) * 2003-12-16 2005-08-30 Fina Technology, Inc. Accelerated method to determine or predict failure time in polyethylenes
US6982304B2 (en) * 2003-12-22 2006-01-03 Union Carbide Chemicals & Plastics Technology Corporation Blow molding resins with improved ESCR
US7790826B2 (en) * 2004-05-06 2010-09-07 DowGlobal Technologies Inc. Polymer molding compositions
JP5198872B2 (ja) 2004-12-17 2013-05-15 ダウ グローバル テクノロジーズ エルエルシー レオロジー改変相対的高溶融強度ポリエチレン組成物並びにパイプ、フィルム、シート、およびブロー成型品の製造方法
WO2006107373A1 (en) * 2005-03-31 2006-10-12 Exxonmobil Chemical Patents Inc. Processes for producing high density polyethylene
US20070027276A1 (en) * 2005-07-27 2007-02-01 Cann Kevin J Blow molding polyethylene resins
US8129484B2 (en) * 2005-07-27 2012-03-06 Univation Technologies, Llc Blow molding polyethylene resins
US20070060724A1 (en) * 2005-09-13 2007-03-15 Nova Chemicals Corporation And Innovene Europe Ltd. Enhanced catalyst productivity
US7714082B2 (en) * 2005-10-04 2010-05-11 Univation Technologies, Llc Gas-phase polymerization process to achieve a high particle density
EP1909014B2 (en) 2006-10-04 2013-08-14 Borealis Technology Oy Polyethylene composition for pressure pipes with enhanced flexibility
KR101465824B1 (ko) * 2007-03-30 2014-11-26 유니베이션 테크놀로지즈, 엘엘씨 폴리올레핀 제조 시스템 및 방법
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
WO2013095877A1 (en) * 2011-12-19 2013-06-27 Dow Global Technologies Llc A polyethylene composition and articles made therefrom
US9447202B2 (en) 2012-05-09 2016-09-20 Sasol Technology (Proprietary) Limited Oligomerisation of olefinic compounds with reduced polymer formation
CA2783494C (en) 2012-07-23 2019-07-30 Nova Chemicals Corporation Adjusting polymer composition
CN104592621A (zh) * 2015-02-09 2015-05-06 佛山市三水区隐雪食品有限公司 新型饮料隔渣套及隔渣罐
CN106467588B (zh) * 2015-08-21 2018-11-02 中国石油化工股份有限公司 一种用于乙烯聚合的催化剂组分、其制备方法及应用
BR112018009655B1 (pt) 2015-11-19 2022-11-08 Dow Global Technologies Llc Composição de polietileno adequada para uso em um componente de dobradiça viva e componente de dobradiça viva
EP3387169B1 (en) 2015-12-10 2019-10-23 Dow Global Technologies, LLC Polyethylene tapes, fibers or monofilaments comprising ethylene/alpha-olefin polymer
BR112018012186B1 (pt) 2015-12-21 2022-07-12 Dow Global Technologies Llc Formulação de polietileno, artigo, artigo moldado por sopro e método para fabricar uma garrafa farmacêutica
EP3394167B1 (en) 2015-12-21 2022-03-09 Dow Global Technologies LLC Polyethylene formulations with improved barrier and environmental stress crack resistance
CN109689119A (zh) 2016-06-28 2019-04-26 陶氏环球技术有限责任公司 微孔薄膜及由其制成的制品
CN108690150B (zh) * 2017-04-07 2020-11-10 中国石油化工股份有限公司 一种用于烯烃聚合的催化剂体系及烯烃聚合方法
US11161924B2 (en) 2017-10-27 2021-11-02 Univation Technologies, Llc Polyethylene copolymer resins and films
EP3700946B1 (en) 2017-10-27 2021-09-08 Univation Technologies, LLC Selectively transitioning polymerization processes
US10738182B2 (en) 2018-04-23 2020-08-11 Dow Global Technologies Llc Molded articles and methods thereof
CN116410366A (zh) * 2021-12-29 2023-07-11 中国石油天然气股份有限公司 聚乙烯及其制备方法
US12319774B1 (en) * 2024-01-23 2025-06-03 Chevron Phillips Chemical Company Lp Particle size control of silyl chromate catalysts and uses thereof in fluidized bed reactors

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE294719C (cs) * 1900-01-01
US3790550A (en) * 1969-11-21 1974-02-05 Union Carbide Corp Fluid bed polymerization process
US4003712A (en) * 1970-07-29 1977-01-18 Union Carbide Corporation Fluidized bed reactor
US3704287A (en) * 1970-09-17 1972-11-28 Union Carbide Corp High temperature reduced catalyst and process
US4588790A (en) * 1982-03-24 1986-05-13 Union Carbide Corporation Method for fluidized bed polymerization
DD294719A5 (de) * 1990-05-28 1991-10-10 Buna Ag,De Verfahren zur herstellung von polyethylen hoher dichte
US5137994A (en) * 1991-05-23 1992-08-11 Union Carbide Chemicals & Plastics Technology Corporation Process for the simultaneous trimerization and copolymerization of ethylene
RU2050364C1 (ru) * 1991-12-23 1995-12-20 БП Кемикэльс Лимитед Способ газофазной полимеризации альфа-олефинов и реактор для осуществления способа
US5625012A (en) * 1994-06-29 1997-04-29 Union Carbide Chemicals & Plastics Technology Corporation Process for reducing polymer build-up in recycle lines and heat exchangers during polymerization of alpha olefins

Also Published As

Publication number Publication date
DE69802812T2 (de) 2002-04-04
KR20010022865A (ko) 2001-03-26
EP1003792B1 (en) 2001-12-05
CN1275136A (zh) 2000-11-29
CZ299738B6 (cs) 2008-11-05
EP1003792A1 (en) 2000-05-31
CZ2000521A3 (cs) 2000-07-12
US6022933A (en) 2000-02-08
BG104160A (en) 2001-01-31
WO1999009075A1 (en) 1999-02-25
ATE210157T1 (de) 2001-12-15
ES2165186T3 (es) 2002-03-01
TR200000338T2 (tr) 2000-11-21
DE69802812D1 (de) 2002-01-17
AR016807A1 (es) 2001-08-01
RU2184743C2 (ru) 2002-07-10
PL338556A1 (en) 2000-11-06
PT1003792E (pt) 2002-05-31

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