KR870700642A - 알파-올레핀을 중합하는 동안 쉬팅을 감소시키는 방법 - Google Patents

알파-올레핀을 중합하는 동안 쉬팅을 감소시키는 방법

Info

Publication number
KR870700642A
KR870700642A KR870700081A KR870700081A KR870700642A KR 870700642 A KR870700642 A KR 870700642A KR 870700081 A KR870700081 A KR 870700081A KR 870700081 A KR870700081 A KR 870700081A KR 870700642 A KR870700642 A KR 870700642A
Authority
KR
South Korea
Prior art keywords
alpha
olefin
during polymerization
sheeting during
reducing sheeting
Prior art date
Application number
KR870700081A
Other languages
English (en)
Other versions
KR920003839B1 (ko
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 filed Critical
Publication of KR870700642A publication Critical patent/KR870700642A/ko
Application granted granted Critical
Publication of KR920003839B1 publication Critical patent/KR920003839B1/ko

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
    • C08F2/00—Processes of polymerisation
    • C08F2/34—Polymerisation in gaseous state
    • 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
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00256—Controlling 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
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00265—Part of all of the reactants being heated or cooled outside the reactor while recycling
    • B01J2208/00274—Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant vapours
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00734—Controlling static charge
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—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
    • 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
    • C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
    • C08F2410/01—Additive used together with the catalyst, excluding compounds containing Al or B
    • 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

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)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
KR1019870700081A 1985-05-31 1985-05-31 알파-올레핀을 중합하는 동안 쉬팅(Sheeting)을 감소시키는 방법 KR920003839B1 (ko)

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
KR870700642A true KR870700642A (ko) 1987-12-30
KR920003839B1 KR920003839B1 (ko) 1992-05-15

Family

ID=22188701

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870700081A KR920003839B1 (ko) 1985-05-31 1985-05-31 알파-올레핀을 중합하는 동안 쉬팅(Sheeting)을 감소시키는 방법

Country Status (13)

Country Link
US (1) US4532311A (ko)
EP (1) EP0224479B1 (ko)
JP (1) JPH075657B2 (ko)
KR (1) KR920003839B1 (ko)
CN (1) CN1007728B (ko)
AT (1) ATE45750T1 (ko)
BR (1) BR8507299A (ko)
DE (1) DE3572495D1 (ko)
DK (1) DK50787D0 (ko)
FI (1) FI87358C (ko)
HU (1) HU205026B (ko)
NO (1) NO167148C (ko)
WO (1) WO1986007065A1 (ko)

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
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
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
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
EP0604993B1 (en) * 1992-12-29 1998-08-05 Nippon Petrochemicals Co., Ltd. Method for operating reactor for polymerizing olefins
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
EP0604990B1 (en) * 1992-12-29 1997-06-11 Nippon Petrochemicals Co., Ltd. Method for vapor phase polymerization of alpha-olefin
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
DE69919408T2 (de) 1999-03-30 2005-11-17 Eastman Chemical Co., Kingsport Verfahren zur herstellung von polyolefine
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
US6191238B1 (en) 1999-08-31 2001-02-20 Eastman Chemical Company Process for producing polyolefins
BR9917469B1 (pt) 1999-08-31 2008-11-18 processo para polimerizar uma olefina e/ou uma olefina e pelo menos uma ou mais outras olefinas, filme, e, artigo.
US6187879B1 (en) 1999-08-31 2001-02-13 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
DE60224824T2 (de) * 2001-10-17 2008-05-21 Ineos Europe Ltd., Lyndhurst Verfahrenssteuerung für die (co)-polymerisation von olefinen
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
JP2006500460A (ja) * 2002-09-27 2006-01-05 ユニベーション・テクノロジーズ・エルエルシー 反応器壁コーティング及びその方法
US6831140B2 (en) * 2002-12-26 2004-12-14 Univation Technologies, Llc Static measurement and detection in a gas phase polyethylene reactor
RU2339650C2 (ru) * 2003-03-21 2008-11-27 Дау Глобал Текнолоджиз, Инк. Способ полимеризации олефинов с регулируемой морфологией
US7332549B2 (en) * 2003-07-11 2008-02-19 Ineos Europe Limited Process for the (co-)polymerisation of ethylene in the gas phase
ATE348117T1 (de) * 2003-07-11 2007-01-15 Ineos Europe Ltd Verfahren zur polymerisation und copolymerisation von ethylen in der gasphase
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
US20070073012A1 (en) * 2005-09-28 2007-03-29 Pannell Richard B Method for seed bed treatment before a polymerization reaction
US20050148742A1 (en) * 2004-01-02 2005-07-07 Hagerty Robert O. Method for controlling sheeting in gas phase reactors
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。
CN101627060B (zh) * 2006-07-31 2011-11-30 尤尼威蒂恩技术有限公司 用于控制聚烯烃反应器中的静电荷的方法和装置
US20100143207A1 (en) * 2006-12-04 2010-06-10 Univation Technologies, Llc Semi-conductive coatings for a polyolefin reaction system
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
EP2118152B1 (en) * 2007-03-06 2016-08-17 Univation Technologies, LLC Methods for applying solution catalysts to reactor surfaces
RU2444531C2 (ru) * 2007-03-06 2012-03-10 Юнивейшн Текнолоджиз, Ллк Способы и устройства для полимеризации
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
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
ES2666896T3 (es) 2007-12-24 2018-05-08 Borealis Technology Oy Sistema reactor y proceso para la polimerización catalítica de olefinas y el uso de tal sistema reactor en la polimerización catalítica de olefinas
WO2009131663A2 (en) 2008-04-22 2009-10-29 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
EP2182524A1 (en) 2008-10-31 2010-05-05 Borealis AG Cable and Polymer composition comprising a multimodal ethylene copolymer
EP2182526A1 (en) 2008-10-31 2010-05-05 Borealis AG Cable and polymer composition comprising an multimodal ethylene copolymer
EP2182525A1 (en) 2008-10-31 2010-05-05 Borealis AG Cable and polymer composition comprising a multimodal ethylene copolymer
ATE551369T1 (de) 2008-11-17 2012-04-15 Borealis Ag Mehrstufiger prozess zur herstellung von polyethylen mit reduzierter gelbildung
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
KR101698618B1 (ko) 2009-01-08 2017-01-20 유니베이션 테크놀로지즈, 엘엘씨 폴리올레핀 중합 방법을 위한 첨가제
EP2223943B1 (en) 2009-02-25 2011-10-19 Borealis AG Multimodal polymer of propylene, composition containing the same and a process for manufacturing the same
EP2223944A1 (en) 2009-02-26 2010-09-01 Borealis AG Process for producing semicrystalline propylene polymers
BRPI1015130B1 (pt) 2009-07-28 2019-11-26 Univation Tech Llc processo de polimerização usando um catalisador de geometria limitada suportado
EP2322568B1 (en) 2009-11-13 2013-05-15 Borealis AG Process for producing an olefin polymerization catalyst
EP2499169B1 (en) 2009-11-13 2014-04-02 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
ES2424958T3 (es) 2009-11-13 2013-10-10 Borealis Ag Proceso para polimerización de olefinas
US10208196B2 (en) 2010-03-17 2019-02-19 Borealis Ag Polymer composition for W and C application with advantageous electrical properties
WO2011113685A1 (en) 2010-03-17 2011-09-22 Borealis Ag Polymer composition for w&c application with advantageous electrical properties
ES2624858T3 (es) 2010-06-17 2017-07-17 Borealis Ag Sistema de control para un reactor en fase gaseosa, un reactor en fase gaseosa para la producción catalítica de poliolefinas, un método para producciones catalíticas de poliolefinas y un uso del sistema de control
EP2452976A1 (en) 2010-11-12 2012-05-16 Borealis AG Heterophasic propylene copolymers with improved stiffness/impact/flowability balance
EP2452957A1 (en) 2010-11-12 2012-05-16 Borealis AG Improved process for producing heterophasic propylene copolymers
EP2452959B1 (en) 2010-11-12 2015-01-21 Borealis AG Process for producing propylene random copolymers and their use
EP2452960B1 (en) 2010-11-12 2015-01-07 Borealis AG Process for preparing propylene polymers with an ultra high melt flow rate
RU2577324C2 (ru) 2010-12-22 2016-03-20 Юнивейшн Текнолоджиз, Ллк Добавка для способов полимеризации полиолефина
ES2605429T3 (es) 2011-06-15 2017-03-14 Borealis Ag Mezcla del reactor in situ de un polipropileno nucleado catalizado por Ziegler-Natta y un polipropileno catalizado por metaloceno
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
EP2730611B1 (en) 2012-11-09 2017-01-04 Abu Dhabi Polymers Company Limited (Borouge) Drip irrigation pipe comprising a polymer composition comprising a multimodal polyethylene base resin
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
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
EP2796501B9 (en) 2013-04-22 2019-05-01 Abu Dhabi Polymers Company Limited (Borouge) Multimodal polypropylene composition for pipe applications
PL2796499T3 (pl) 2013-04-22 2018-12-31 Abu Dhabi Polymers Company Limited (Borouge) Kompozycja polipropylenowa o ulepszonej udarności do zastosowań w rurach
EP2796474B1 (en) 2013-04-22 2018-01-10 Borealis AG Multistage process for producing polypropylene compositions
EP2796473B1 (en) 2013-04-22 2017-05-31 Borealis AG Multistage process for producing low-temperature resistant polypropylene compositions
PL2796500T3 (pl) 2013-04-22 2018-12-31 Abu Dhabi Polymers Company Limited (Borouge) Kompozycja kopolimeru przypadkowego propylenu do zastosowań do rur
PL2796498T3 (pl) 2013-04-22 2019-03-29 Abu Dhabi Polymers Company Limited (Borouge) Multimodalna kompozycja polipropylenowa do zastosowania w rurach
ES2632593T3 (es) 2013-04-22 2017-09-14 Borealis Ag Procedimiento de dos fases de producción de composiciones de polipropileno
EP2853562A1 (en) 2013-09-27 2015-04-01 Borealis AG Two-stage process for producing polypropylene compositions
EP2860201A1 (en) 2013-10-10 2015-04-15 Borealis AG High temperature resistant polyethylene and process for the production thereof
EP2860203B1 (en) 2013-10-10 2016-12-14 Borealis AG Multistage process for producing polyethylene compositions
EP2860204B1 (en) 2013-10-10 2018-08-01 Borealis AG Polyethylene composition for pipe applications
PL2860202T3 (pl) 2013-10-10 2018-11-30 Borealis Ag Polietylen odporny na wysoką temperaturę i sposób jego wytwarzania
EP2860200B1 (en) 2013-10-10 2017-08-02 Borealis AG Polyethylene composition for pipe and pipe coating applications
CN105683279B (zh) 2013-10-30 2019-08-09 阿布扎比聚合物有限公司(博禄) 适用于注射模塑应用的聚乙烯组合物
EP2883887A1 (en) 2013-12-13 2015-06-17 Borealis AG Multistage process for producing polyethylene compositions
ES2660121T3 (es) 2013-12-20 2018-03-20 Borealis Ag Composición de polietileno con alta flexibilidad y resistencia a altas temperaturas, adecuada para aplicaciones en tubos
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
CA2975026C (en) 2015-02-05 2023-10-31 Borealis Ag Process for producing polyethylene
BR112017016081B1 (pt) 2015-02-20 2022-05-03 Borealis Ag Copolímeros heterofásicos de propileno, seu processo para produção e tubo
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
ES2707391T3 (es) 2015-06-23 2019-04-03 Borealis Ag Procedimiento para la producción de resinas de LLDPE
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
EP3252085B1 (en) 2016-05-31 2022-11-09 Borealis AG Jacket with improved properties
EP3464457B1 (en) 2016-05-31 2021-09-01 Borealis AG Polymer composition and a process for production of the polymer composition
EP3475313B1 (en) 2016-06-22 2024-03-20 Borealis AG Composition comprising three polyethylenes and a process for production of the polymer composition
WO2018095772A2 (en) 2016-11-25 2018-05-31 Borealis Ag New composition and process
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
EP3873954A1 (en) 2018-10-31 2021-09-08 Borealis AG Polyethylene composition for high pressure resistant pipes with improved homogeneity
EP3647645A1 (en) 2018-10-31 2020-05-06 Borealis AG Polyethylene composition for high pressure resistant pipes
US11912838B2 (en) 2018-11-28 2024-02-27 Borealis Ag Polyethylene composition for film applications
US11168157B2 (en) 2018-12-04 2021-11-09 Chevron Phillips Chemical Company Lp Melt flow index response in polyethylene reactors
CN114008089B (zh) 2019-06-24 2023-08-29 博里利斯股份公司 回收率提高的聚丙烯制备方法
US20220282074A1 (en) 2019-07-22 2022-09-08 Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C., Single site catalysed multimodal polyethylene composition
CN114555656B (zh) 2019-09-05 2024-02-20 埃克森美孚化学专利公司 具有宽分子量分布和高劲度的聚烯烃和抗冲共聚物的制备方法
EP3835327A1 (en) 2019-12-09 2021-06-16 Borealis AG System for producing polyolefin and process for recovering polymerization product from gas phase reactor
WO2021150377A1 (en) 2020-01-24 2021-07-29 Exxonmobil Chemical Patents Inc. Methods for producing bimodal polyolefins and impact copolymers
CN115135681A (zh) 2020-02-17 2022-09-30 埃克森美孚化学专利公司 具有高分子量尾部的基于丙烯的聚合物组合物
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 (ko) * 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

Also Published As

Publication number Publication date
FI870424A0 (fi) 1987-01-30
FI87358C (fi) 1992-12-28
DK50787A (da) 1987-01-30
KR920003839B1 (ko) 1992-05-15
ATE45750T1 (de) 1989-09-15
US4532311A (en) 1985-07-30
DK50787D0 (da) 1987-01-30
NO167148B (no) 1991-07-01
DE3572495D1 (en) 1989-09-28
BR8507299A (pt) 1987-11-03
HU205026B (en) 1992-03-30
FI87358B (fi) 1992-09-15
JPH075657B2 (ja) 1995-01-25
CN85104124A (zh) 1986-11-26
NO870324L (no) 1987-01-27
NO167148C (no) 1991-10-09
JPS63500176A (ja) 1988-01-21
CN1007728B (zh) 1990-04-25
EP0224479A1 (en) 1987-06-10
FI870424A (fi) 1987-01-30
NO870324D0 (no) 1987-01-27
EP0224479B1 (en) 1989-08-23
HUT43330A (en) 1987-10-28
WO1986007065A1 (en) 1986-12-04

Similar Documents

Publication Publication Date Title
KR870700642A (ko) 알파-올레핀을 중합하는 동안 쉬팅을 감소시키는 방법
DE3583472D1 (de) Verfahren zum herstellen einer halbleiteranordnung mit gateelektrode.
DE3587231D1 (de) Verfahren zum herstellen einer dmos-halbleiteranordnung.
DE3675080D1 (de) Verfahren zum herstellen von graphitfolien.
DE58909466D1 (de) Photoelektrochemische Zelle, Verfahren zum Herstellen einer derartigen Zelle sowie Verwendung der Zelle.
DE3581348D1 (de) Verfahren zum herstellen eines pn-uebergangs mit hoher durchbruchsspannung.
DE3686600D1 (de) Verfahren zum herstellen einer harzumhuellten halbleiteranordnung.
FI885104A (fi) Menetelmä levynmuodostumisen vähentämiseksi alfa-olefiineja polymeroitaessa
ID977B (id) Proses produksi polimer vinil klorida
DE3580218D1 (de) Regelverfahren eines wechselrichters zum antrieb von industriemotoren.
DE3781476D1 (de) Verfahren zum herstellen von vernetztem kautschuk.
DE3682928D1 (de) Verfahren zum polymerisieren von aethylen.
DE3673437D1 (de) Verfahren zum herstellen eines halbleiterbauelements mit einem graben.
IT8520441A0 (it) Composti piperidinici utilizzabili come stabilizzanti per polimeri sintetici.
NO850957L (no) Arbeidsverktoey for utfoerelse av arbeider under vann.
DE3671324D1 (de) Verfahren zum herstellen einer halbleiteranordnung.
AT373799B (de) Vielpunktschweissmaschine zum herstellen von gittern oder gitterrosten
DE3579233D1 (de) Verfahren zum elektrischen verbinden von solarzellen.
ATE33395T1 (de) Verfahren zum polymerisieren von olefinen.
KR860005851A (ko) 열에 안정한 올레핀 중합체의 제조방법
DE3575813D1 (de) Verfahren zum herstellen einer halbleiteranordnung mit einer gateelektrodenstapel-struktur.
DE3688311D1 (de) Verfahren zum zuechten von rekombinanten zellen.
DE3683378D1 (de) Verfahren zum herstellen eines thyristors.
DE3670546D1 (de) Verfahren zum herstellen einer halbleiteranordnung mit gegeneinander isolierten streifenfoermigen, sich gegenseitig ueberlappenden siliciumelektroden.
DE3671573D1 (de) Verfahren zum herstellen einer halbleiteranordnung mit gates auf mehreren niveaus.

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20020403

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee