DK50787A - Fremgangsmaade til nedsaettelse af pladedannelse un der polymerisation af alfa-olefiner - Google Patents

Fremgangsmaade til nedsaettelse af pladedannelse un der polymerisation af alfa-olefiner

Info

Publication number
DK50787A
DK50787A DK050787A DK50787A DK50787A DK 50787 A DK50787 A DK 50787A DK 050787 A DK050787 A DK 050787A DK 50787 A DK50787 A DK 50787A DK 50787 A DK50787 A DK 50787A
Authority
DK
Denmark
Prior art keywords
procedure
under polymerization
reducing plate
plate creation
creation under
Prior art date
Application number
DK050787A
Other languages
Danish (da)
English (en)
Other versions
DK50787D0 (da
Inventor
Bernard Dwane Fulks
Steven Paul Sawin
Colin Dale Aikman
Iii John Mitchell Jenkins
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 DK50787D0 publication Critical patent/DK50787D0/da
Publication of DK50787A publication Critical patent/DK50787A/da

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
    • C08F2/00Processes of polymerisation
    • C08F2/34Polymerisation in gaseous state
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1809Controlling processes
    • 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00106Controlling the temperature by indirect heat exchange
    • B01J2208/00168Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00256Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles in a heat exchanger for the heat exchange medium separate from the reactor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00017Controlling the temperature
    • B01J2208/00106Controlling the temperature by indirect heat exchange
    • B01J2208/00265Part of all of the reactants being heated or cooled outside the reactor while recycling
    • B01J2208/00274Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant vapours
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008Controlling the process
    • B01J2208/00734Controlling static charge
    • 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
    • C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02Ethene
    • 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
    • C08F210/00Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/16Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • 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
    • C08F2410/00Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
    • C08F2410/01Additive used together with the catalyst, excluding compounds containing Al or B
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/901Monomer polymerized in vapor state in presence of transition metal containing catalyst

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (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)
  • Polymerisation Methods In General (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
DK050787A 1985-05-31 1987-01-30 Fremgangsmaade til nedsaettelse af pladedannelse un der polymerisation af alfa-olefiner DK50787A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1985/001006 WO1986007065A1 (en) 1981-03-26 1985-05-31 Process for reducing sheeting during polymerization of alpha-olefins

Publications (2)

Publication Number Publication Date
DK50787D0 DK50787D0 (da) 1987-01-30
DK50787A true DK50787A (da) 1987-01-30

Family

ID=22188701

Family Applications (1)

Application Number Title Priority Date Filing Date
DK050787A DK50787A (da) 1985-05-31 1987-01-30 Fremgangsmaade til nedsaettelse af pladedannelse un der polymerisation af alfa-olefiner

Country Status (13)

Country Link
US (1) US4532311A (no)
EP (1) EP0224479B1 (no)
JP (1) JPH075657B2 (no)
KR (1) KR920003839B1 (no)
CN (1) CN1007728B (no)
AT (1) ATE45750T1 (no)
BR (1) BR8507299A (no)
DE (1) DE3572495D1 (no)
DK (1) DK50787A (no)
FI (1) FI87358C (no)
HU (1) HU205026B (no)
NO (1) NO167148C (no)
WO (1) WO1986007065A1 (no)

Families Citing this family (146)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4876320A (en) * 1981-03-26 1989-10-24 Union Carbide Chemicals And Plastics Company Inc. Process for reducing sheeting during polymerization of alpha-olefins
US4855370A (en) * 1986-10-01 1989-08-08 Union Carbide Corporation Method for reducing sheeting during polymerization of alpha-olefins
US5026795A (en) * 1987-02-24 1991-06-25 Phillips Petroleum Co Process for preventing fouling in a gas phase polymerization reactor
US5034479A (en) * 1987-10-22 1991-07-23 Union Carbide Chemicals And Plastics Technology Corporation Process for reducing sheeting during polymerization of alpha-olefins
DE3863051D1 (de) 1987-10-22 1991-07-04 Union Carbide Corp Verfahren zum vermindern des zusammenbackens waehrend einer alpha-olefinpolymerisation.
US4803251A (en) * 1987-11-04 1989-02-07 Union Carbide Corporation Method for reducing sheeting during polymerization of alpha-olefins
DE3833444A1 (de) * 1988-10-01 1990-04-05 Basf Ag Vermeidung von farbigen verunreinigungen bei der herstellung von ultrahochmolekularen ethylenpolymerisaten mittels eines titan enthaltenden katalysatorsystems
DE3833445A1 (de) * 1988-10-01 1990-04-05 Basf Ag Vermeidung von farbigen verunreinigungen bei der herstellung von ultrahochmolekularen ethylenpolymerisaten mittels eines titan enthaltenden katalysatorsystems
US5688865A (en) * 1991-03-06 1997-11-18 Mobil Oil Corporation Process and system for preventing pressure tap fouling in tandem polymerization reactors
IT1246614B (it) 1991-06-03 1994-11-24 Himont Inc Procedimento per la polimerizzazione in fase gas delle olefine
US5198399A (en) * 1992-01-17 1993-03-30 Quantum Chemical Corporation Polymerization catalyst and method
JP3216928B2 (ja) * 1992-12-29 2001-10-09 日本石油化学株式会社 気相重合反応系の乾燥方法
US5543478A (en) * 1992-12-29 1996-08-06 Nippon Petrochemicals Company, Limited Method for operating reactor for polymerizing olefins
DE69311524T2 (de) * 1992-12-29 1998-02-05 Nippon Petrochemicals Co Ltd Verfahren zur Alpha-Olefin-Polymerisation in der Dampfphase
CA2112505A1 (en) * 1992-12-30 1994-07-01 Masahiro Niwa Method of vapor phase polymerization of olefins
US5391657A (en) * 1993-09-27 1995-02-21 Union Carbide Chemicals & Plastics Technology Corporaton Method for reducing sheeting and static charges during polymerization of ethylene polymers
US5416175A (en) * 1993-12-17 1995-05-16 Union Carbide Chemicals & Plastics Technology Corporation Method for reducing sheeting during polymerization of α-olefins
US5969061A (en) * 1995-10-16 1999-10-19 Eastman Chemical Company Suppression of fines in a fluid bed polyethylene process
US5731392A (en) * 1996-09-20 1998-03-24 Mobil Oil Company Static control with TEOS
US6008662A (en) * 1996-10-31 1999-12-28 Oxford Instruments America, Inc. Apparatus and method for measuring conditions in fluidized beds
AU1320699A (en) * 1998-03-11 1999-09-23 Union Carbide Chemicals & Plastics Technology Corporation Reduced sheeting in single-site and single-site like polymerization by employing a chromium containing compound
US6114475A (en) * 1998-04-06 2000-09-05 Union Carbide Chemicals & Plastics Technology Corporation Reactor drying by addition of compound that lowers boiling point of water
TW475934B (en) * 1998-06-27 2002-02-11 Basell Technology Co Bv Process for the production of Α-olefin polymer
US7354880B2 (en) 1998-07-10 2008-04-08 Univation Technologies, Llc Catalyst composition and methods for its preparation and use in a polymerization process
DE19835467A1 (de) 1998-08-06 2000-02-17 Elenac Gmbh Feststoffreaktor mit antistatischer Beschichtung zur Durchführung von Reaktionen in der Gasphase
US6111034A (en) * 1998-12-31 2000-08-29 Union Carbide Chemicals & Plastics Technology Corporation Static control in olefin polymerization
US6313236B1 (en) 1999-03-30 2001-11-06 Eastman Chemical Company Process for producing polyolefins
US6300432B1 (en) 1999-03-30 2001-10-09 Eastman Chemical Company Process for producing polyolefins
CA2368435A1 (en) 1999-03-30 2000-10-05 Alan George Wonders Process for producing polyolefins
US6187879B1 (en) 1999-08-31 2001-02-13 Eastman Chemical Company Process for producing polyolefins
JP2003522221A (ja) 1999-08-31 2003-07-22 イーストマン ケミカル カンパニー ポリオレフィンの製造方法
US6191238B1 (en) 1999-08-31 2001-02-20 Eastman Chemical Company Process for producing polyolefins
US6359083B1 (en) 2000-05-02 2002-03-19 Eastman Chemical Company Olefin polymerization process
US6914027B2 (en) * 2000-12-01 2005-07-05 Univation Technologies, Llc Polymerization reactor operability using static charge modifier agents
US6593267B2 (en) 2000-12-18 2003-07-15 Univation Technologies, Llc Method for preparing a supported catalyst system and its use in a polymerization process
US6933258B2 (en) 2000-12-19 2005-08-23 Univation Technologies, L.L.C. Catalyst composition and methods for its preparation and use in a polymerization process
WO2003033550A1 (en) * 2001-10-17 2003-04-24 Bp Chemicals Limited Process control for the (co)-polymerisation of olefins
US7846736B2 (en) * 2001-12-17 2010-12-07 Univation Technologies, Llc Method for polymerization reaction monitoring with determination of entropy of monitored data
US7220341B2 (en) * 2002-03-11 2007-05-22 Exxonmobil Chemical Patents Inc. Controlling solids flow in a gas-solids reactor
AU2003268265A1 (en) * 2002-09-27 2004-04-19 Exxonmobil Chemical Patents Inc. Reactor wall coating and processes for forming same
US6831140B2 (en) * 2002-12-26 2004-12-14 Univation Technologies, Llc Static measurement and detection in a gas phase polyethylene reactor
US7365039B2 (en) * 2003-03-21 2008-04-29 Dow Global Technologies Inc. Morphology controlled olefin polymerization process
DE602004003707T2 (de) * 2003-07-11 2007-04-12 Innovene Europe Ltd., Staines Verfahren zur polymerisation und copolymerisation von ethylen in der gasphase
CN100500706C (zh) * 2003-07-11 2009-06-17 英尼奥斯欧洲有限公司 在气相中乙烯的(共)聚合方法
EP1668049B1 (en) 2003-09-23 2015-02-25 Dow Global Technologies LLC Catalyst composition for ethylene polymerization
DE10348624A1 (de) * 2003-10-15 2005-05-25 Basell Polyolefine Gmbh Geträgerte Metallalkylverbindung und Verfahren zu deren Herstellung
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
US20050203259A1 (en) * 2004-03-09 2005-09-15 Poliafico Kristen K. Method for reducing static charge and reactor fouling in a polymerization process
US20070060724A1 (en) * 2005-09-13 2007-03-15 Nova Chemicals Corporation And Innovene Europe Ltd. Enhanced catalyst productivity
WO2008008169A2 (en) * 2006-07-07 2008-01-17 Univation Technologies, Llc Using electrical probes for detecting impurities in reactor systems
JP5156204B2 (ja) * 2006-07-19 2013-03-06 日本ポリプロ株式会社 オレフィン重合用遷移金属触媒成分、それを含むオレフィン重合用触媒、及びそれを用いるオレフィン重合体の製造方法。
US7799876B2 (en) * 2006-07-31 2010-09-21 Univation Technologies, Llc Method and apparatus for controlling static charge in polyolefin reactors
CN101678657A (zh) * 2006-12-04 2010-03-24 尤尼威蒂恩技术有限责任公司 用于聚烯烃反应系统的半导体涂料
TW200902558A (en) * 2007-02-16 2009-01-16 Univation Tech Llc Method for on-line monitoring and control of polymerization processes and reactors to prevent discontinuity events
CN103159872B (zh) * 2007-03-06 2015-08-19 尤尼威蒂恩技术有限责任公司 溶液催化剂涂布反应器表面的方法
BRPI0808362B1 (pt) 2007-03-06 2019-04-30 Univation Technologies, Llc. Método para a polimerização de alfa-olefinas em um reator de leito fluidizado e reator de leite fluidizado
US7875685B2 (en) * 2007-11-07 2011-01-25 Exxonmobil Chemical Patents Inc. Gas phase polymerization and distributor plate passivation treatment
EP2082797A1 (en) 2007-12-24 2009-07-29 Borealis Technology OY Reactor system for the catalytic polymerization of olefins comprising shielding means and a process and use thereof
EP2090357B1 (en) * 2007-12-24 2018-04-04 Borealis Technology OY Reactor system and process for the catalytic polymerization of olefins, and the use of such reactor system in catalytic polymerization of olefins
EP2090356A1 (en) 2007-12-24 2009-08-19 Borealis Technology OY Reactor systems and process for the catalytic polymerization of olefins, and the use of such reactor system in catalytic polymeration of olefins
US8067509B2 (en) * 2008-04-22 2011-11-29 Univation Technologies, Llc Reactor systems and processes for using the same
EP2130859A1 (en) 2008-06-02 2009-12-09 Borealis AG Polymer compositions having improved homogeneity and odour, a method for making them and pipes made thereof
EP2130863A1 (en) 2008-06-02 2009-12-09 Borealis AG High density polymer compositions, a method for their preparation and pressure-resistant pipes made therefrom
EP2130862A1 (en) 2008-06-02 2009-12-09 Borealis AG Polymer compositions and pressure-resistant pipes made thereof
US7718743B2 (en) * 2008-08-01 2010-05-18 Exxonmobil Chemical Patents Inc. Methods for monitoring reactor passivation for gas phase polymerization
EP2182526A1 (en) 2008-10-31 2010-05-05 Borealis AG Cable and polymer composition comprising an multimodal ethylene copolymer
EP2182524A1 (en) 2008-10-31 2010-05-05 Borealis AG Cable and Polymer composition comprising a multimodal ethylene copolymer
EP2182525A1 (en) 2008-10-31 2010-05-05 Borealis AG Cable and polymer composition comprising a multimodal ethylene copolymer
EP2186833B8 (en) 2008-11-17 2012-08-08 Borealis AG Multi-stage process for producing polytheylene with lowered gel formation
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
US20110256632A1 (en) 2009-01-08 2011-10-20 Univation Technologies, Llc Additive for Polyolefin Polymerization Processes
ES2370689T3 (es) 2009-02-25 2011-12-21 Borealis Ag Polímero multimodal de polipropileno, composición que comprende el mismo y un procedimiento para producir el mismo.
EP2223944A1 (en) 2009-02-26 2010-09-01 Borealis AG Process for producing semicrystalline propylene polymers
US8957167B2 (en) 2009-07-28 2015-02-17 Univation Technologies, Llc Polymerization process using a supported constrained geometry catalyst
WO2011058088A1 (en) 2009-11-13 2011-05-19 Borealis Ag Process for recovering a transition metal compound
WO2011058089A1 (en) 2009-11-13 2011-05-19 Borealis Ag Process for producing a polymerization catalyst
CN102666601B (zh) 2009-11-13 2014-04-23 博瑞立斯有限公司 烯烃聚合方法
EP2322568B1 (en) 2009-11-13 2013-05-15 Borealis AG Process for producing an olefin polymerization catalyst
BR112012023374B1 (pt) 2010-03-17 2020-06-09 Borealis Ag cabo de alimentação, processo para a produção, composição polimérica e uso da mesma
KR20130016285A (ko) 2010-03-17 2013-02-14 보레알리스 아게 유리한 전기적 특성을 갖는 와이어 및 케이블 용도의 중합체 조성물
EP2397221B1 (en) 2010-06-17 2017-04-12 Borealis AG Control system for a gas phase reactor, a gas phase reactor for catalytic production of polyolefines, a method for catalytic productions of polyolefines and a use of the control system
EP2452957A1 (en) 2010-11-12 2012-05-16 Borealis AG Improved process for producing heterophasic propylene copolymers
EP2452976A1 (en) 2010-11-12 2012-05-16 Borealis AG Heterophasic propylene copolymers with improved stiffness/impact/flowability balance
EP2452960B1 (en) 2010-11-12 2015-01-07 Borealis AG Process for preparing propylene polymers with an ultra high melt flow rate
EP2452959B1 (en) 2010-11-12 2015-01-21 Borealis AG Process for producing propylene random copolymers and their use
BR112013016116B1 (pt) 2010-12-22 2020-04-28 Univation Tech Llc processo de polimerização e sistema catalisador
EP2535372B1 (en) 2011-06-15 2016-09-14 Borealis AG In-situ reactor blend of a Ziegler-Natta catalysed, nucleated polypropylene and a metallocene catalysed polypropylene
EP2570455A1 (en) 2011-09-16 2013-03-20 Borealis AG Polyethylene composition with broad molecular weight distribution and improved homogeneity
EP2583998B1 (en) 2011-10-21 2018-02-28 Borealis AG Polyethylene composition with high rapid crack propagation resistance and pressure resistance
EP2594333B1 (en) 2011-11-21 2014-07-30 Borealis AG Method for recovering polymer and apparatus therefor
EP2599828A1 (en) 2011-12-01 2013-06-05 Borealis AG Multimodal polyethylene composition for the production of pipes with improved slow crack growth resistance
EP2617741B1 (en) 2012-01-18 2016-01-13 Borealis AG Process for polymerizing olefin polymers in the presence of a catalyst system and a method of controlling the process
EP2620472B1 (en) 2012-01-24 2018-05-30 Borealis AG Poyethylene composition with improved low temperature perssure resistance
EP2730612B1 (en) 2012-11-09 2016-09-14 Abu Dhabi Polymers Company Limited (Borouge) Polymer composition comprising a blend of a multimodal polyethylene and a further ethylene polymer suitable for the production of a drip irrigation pipe
ES2613070T3 (es) 2012-11-09 2017-05-22 Abu Dhabi Polymers Company Limited (Borouge) Tubería de riego por goteo que comprende una composición polimérica que comprende una resina base de polietileno multimodal
EP2740761B1 (en) 2012-12-05 2016-10-19 Borealis AG Polyethylene composition with improved balance of slow crack growth resistance, impact performance and pipe pressure resistance for pipe applications
EP2749580B1 (en) 2012-12-28 2016-09-14 Borealis AG Process for producing copolymers of propylene
ES2628082T3 (es) 2013-04-22 2017-08-01 Borealis Ag Procedimiento con múltiples etapas para producir composiciones de polipropileno resistentes a baja temperatura
EP2796472B1 (en) 2013-04-22 2017-06-28 Borealis AG Two-stage process for producing polypropylene compositions
PL2796499T3 (pl) 2013-04-22 2018-12-31 Abu Dhabi Polymers Company Limited (Borouge) Kompozycja polipropylenowa o ulepszonej udarności do zastosowań w rurach
EP2796498B1 (en) 2013-04-22 2018-09-12 Abu Dhabi Polymers Company Limited (Borouge) Multimodal polypropylene composition for pipe applications
PL2796500T3 (pl) 2013-04-22 2018-12-31 Abu Dhabi Polymers Company Limited (Borouge) Kompozycja kopolimeru przypadkowego propylenu do zastosowań do rur
EP2796474B1 (en) 2013-04-22 2018-01-10 Borealis AG Multistage process for producing polypropylene compositions
EP2796501B9 (en) 2013-04-22 2019-05-01 Abu Dhabi Polymers Company Limited (Borouge) Multimodal polypropylene composition for pipe applications
EP2853562A1 (en) 2013-09-27 2015-04-01 Borealis AG Two-stage process for producing polypropylene compositions
EP2860203B1 (en) 2013-10-10 2016-12-14 Borealis AG Multistage process for producing polyethylene compositions
EP2860201A1 (en) 2013-10-10 2015-04-15 Borealis AG High temperature resistant polyethylene and process for the production thereof
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EP2860202B1 (en) 2013-10-10 2018-05-30 Borealis AG High temperature resistant polyethylene and process for the production thereof
EP2860200B1 (en) 2013-10-10 2017-08-02 Borealis AG Polyethylene composition for pipe and pipe coating applications
US9783662B2 (en) 2013-10-30 2017-10-10 Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C. Polyethylene composition suitable for injection moulding applications
EP2883887A1 (en) 2013-12-13 2015-06-17 Borealis AG Multistage process for producing polyethylene compositions
EP2894174B1 (en) 2013-12-20 2018-02-07 Borealis AG Polyethylene composition with high flexibility and high temperature resistance suitable for pipe applications
EP2894195B1 (en) 2013-12-23 2016-09-14 Abu Dhabi Polymers Company Limited (Borouge) Polyethylene composition for pipe applications with improved sagging properties
CN104190330B (zh) * 2014-08-29 2016-01-27 中国科学院山西煤炭化学研究所 射流流化床反应装置及其烯烃聚合的方法
BR112017005285B1 (pt) 2014-12-08 2021-09-28 Borealis Ag Processo para extrudar e peletizar um copolímero de propileno
US10364310B2 (en) 2015-02-05 2019-07-30 Borealis Ag Process for producing polyethylene
EP3259315A1 (en) 2015-02-20 2017-12-27 Borealis AG Process for producing heterophasic copolymers of propylene
EP3088458B2 (en) 2015-04-27 2022-10-05 Abu Dhabi Polymers Company Limited (Borouge) L.L.C. Polyethylene composition suitable for pipe applications
EP3109275B1 (en) 2015-06-22 2017-08-09 Abu Dhabi Polymers Company Limited (Borouge) L.L.C. Polyethylene composition for pipe applications with improved sagging and extrusion properties
EP3109261B1 (en) 2015-06-23 2018-12-26 Borealis AG Process for producing lldpe resins
EP3238938A1 (en) 2016-04-29 2017-11-01 Borealis AG Machine direction oriented films comprising multimodal copolymer of ethylene and at least two alpha-olefin comonomers
EP3464457B1 (en) 2016-05-31 2021-09-01 Borealis AG Polymer composition and a process for production of the polymer composition
EP3252085B1 (en) 2016-05-31 2022-11-09 Borealis AG Jacket with improved properties
WO2017220558A1 (en) 2016-06-22 2017-12-28 Borealis Ag Polymer composition and a process for production of the polymer composition
KR102183259B1 (ko) 2016-11-25 2020-11-30 보레알리스 아게 신규한 조성물 및 방법
EP3418330B2 (en) 2017-06-21 2023-07-19 Borealis AG Polymer composition and a process for production of the polymer composition
CN109135067A (zh) 2017-06-27 2019-01-04 阿布扎比聚合物有限责任公司(博禄) 用于制造高压管的聚丙烯组合物
EP3823999A1 (en) 2018-07-19 2021-05-26 Borealis AG Process for the preparation of an uhmwpe homopolymer
EP3647645A1 (en) 2018-10-31 2020-05-06 Borealis AG Polyethylene composition for high pressure resistant pipes
KR102593922B1 (ko) 2018-10-31 2023-10-25 보레알리스 아게 개선된 균질성을 갖는 고압력 저항성 파이프용 폴리에틸렌 조성물
KR102553656B1 (ko) 2018-11-28 2023-07-17 아부 다비 폴리머스 씨오. 엘티디 (보르쥬) 엘엘씨. 필름 적용용 폴리에틸렌 조성물
US11168157B2 (en) 2018-12-04 2021-11-09 Chevron Phillips Chemical Company Lp Melt flow index response in polyethylene reactors
BR112021025518A2 (pt) 2019-06-24 2022-02-01 Borealis Ag Processo para a produção de um copolímero de propileno e unidade de polimerização para produzir um copolímero de propileno
JP7438324B2 (ja) 2019-07-22 2024-02-26 アブ・ダビ・ポリマーズ・カンパニー・リミテッド・(ブルージュ)・リミテッド・ライアビリティ・カンパニー シングルサイト触媒によるマルチモーダルポリエチレン組成物
US20220332864A1 (en) 2019-09-05 2022-10-20 Exxonmobil Chemical Patents Inc. Processes for producing polyolefins and impact copolymers with broad molecular weight distribution and high stiffness
EP3835327B1 (en) 2019-12-09 2024-07-31 Borealis AG System for producing polyolefin and process for recovering polymerization product from gas phase reactor
CN115210267A (zh) 2020-01-24 2022-10-18 埃克森美孚化学专利公司 生产双峰聚烯烃和抗冲共聚物的方法
WO2021167850A1 (en) 2020-02-17 2021-08-26 Exxonmobil Chemical Patents Inc. Propylene-based polymer compositions having a high molecular weight tail
KR102513518B1 (ko) 2020-12-23 2023-03-22 디엘케미칼 주식회사 메탈로센 올레핀 중합 공정용 대전방지제를 이용한 올레핀 중합 방법
EP4019583B1 (en) 2020-12-28 2024-04-10 ABU DHABI POLYMERS CO. LTD (BOROUGE) - Sole Proprietorship L.L.C. Polyethylene composition for film applications with improved toughness and stiffness
EP4389820A1 (en) 2022-12-21 2024-06-26 Borealis AG Polypropylene random copolymer compositions with improved impact resistance for pipe applications
EP4389777A1 (en) 2022-12-22 2024-06-26 Borealis AG High density polyethylene for pipe applications with improved pressure performance and mechanical properties
EP4393967A1 (en) 2022-12-27 2024-07-03 Borealis AG Pe100-rc with butene as comonomer

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA995396A (en) * 1971-03-18 1976-08-17 Robert N. Johnson Catalyst modified with strong reducing agent and silane compounds and use in polymerization of olefins
GB1429174A (en) * 1972-06-12 1976-03-24 Bp Chem Int Ltd Polymerisation process and catalyst
FR2207145B1 (no) * 1972-11-17 1975-09-12 Naphtachimie Sa
US4059720A (en) * 1973-12-11 1977-11-22 Ruhrchemie Aktiengesellschaft Process for the production of polyethylene having molecular weights above 500,000
US3976632A (en) * 1974-12-04 1976-08-24 Phillips Petroleum Company Reactivation of organochromium olefin polymerization catalyst in presence of oxygen
FR2312512A1 (fr) * 1975-05-27 1976-12-24 Naphtachimie Sa Procede de polymerisation des olefines en lit fluidise
US3995097A (en) * 1975-09-15 1976-11-30 Phillips Petroleum Company Prevention of fouling in polymerization reactors
US4068054A (en) * 1976-08-02 1978-01-10 Phillips Petroleum Company Prevention of fouling in polymerization reactors and antistatic agents
US4100105A (en) * 1977-01-21 1978-07-11 Union Carbide Corporation Titanium-modified silyl chromate catalysts for ethylene polymerization
US4255470A (en) * 1977-07-15 1981-03-10 The B. F. Goodrich Company Process for preventing polymer buildup in a polymerization reactor
US4302566A (en) * 1978-03-31 1981-11-24 Union Carbide Corporation Preparation of ethylene copolymers in fluid bed reactor
US4182810A (en) * 1978-04-21 1980-01-08 Phillips Petroleum Company Prevention of fouling in polymerization reactors
AU526104B2 (en) * 1978-09-08 1982-12-16 Geon Company, The Polymerization of vinyl chloride
JPS564608A (en) * 1979-06-26 1981-01-19 Mitsubishi Petrochem Co Ltd Vapor-phase polymerization of olefin

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NO167148B (no) 1991-07-01
NO167148C (no) 1991-10-09
EP0224479A1 (en) 1987-06-10
JPH075657B2 (ja) 1995-01-25
DE3572495D1 (en) 1989-09-28
BR8507299A (pt) 1987-11-03
KR920003839B1 (ko) 1992-05-15
FI870424A0 (fi) 1987-01-30
ATE45750T1 (de) 1989-09-15
NO870324L (no) 1987-01-27
JPS63500176A (ja) 1988-01-21
US4532311A (en) 1985-07-30
EP0224479B1 (en) 1989-08-23
FI87358B (fi) 1992-09-15
DK50787D0 (da) 1987-01-30
KR870700642A (ko) 1987-12-30
HUT43330A (en) 1987-10-28
NO870324D0 (no) 1987-01-27
WO1986007065A1 (en) 1986-12-04
CN1007728B (zh) 1990-04-25
HU205026B (en) 1992-03-30
FI87358C (fi) 1992-12-28
FI870424A (fi) 1987-01-30
CN85104124A (zh) 1986-11-26

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