ATE45750T1 - Verfahren zum vermindern des zusammenbackens waehrend einer alpha-olefinpolymerisation. - Google Patents

Verfahren zum vermindern des zusammenbackens waehrend einer alpha-olefinpolymerisation.

Info

Publication number
ATE45750T1
ATE45750T1 AT85902902T AT85902902T ATE45750T1 AT E45750 T1 ATE45750 T1 AT E45750T1 AT 85902902 T AT85902902 T AT 85902902T AT 85902902 T AT85902902 T AT 85902902T AT E45750 T1 ATE45750 T1 AT E45750T1
Authority
AT
Austria
Prior art keywords
olefin polymerization
alpha olefin
caking during
during alpha
reducing caking
Prior art date
Application number
AT85902902T
Other languages
English (en)
Inventor
Bernard Dwane Fulks
Stephen Paul Sawin
Collin Dale Aikman
John Mitchell Jenkins Iii
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
Application granted granted Critical
Publication of ATE45750T1 publication Critical patent/ATE45750T1/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
    • 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)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Combustion & Propulsion (AREA)
  • Engineering & Computer Science (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)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
AT85902902T 1985-05-31 1985-05-31 Verfahren zum vermindern des zusammenbackens waehrend einer alpha-olefinpolymerisation. ATE45750T1 (de)

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 (1)

Publication Number Publication Date
ATE45750T1 true ATE45750T1 (de) 1989-09-15

Family

ID=22188701

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85902902T ATE45750T1 (de) 1985-05-31 1985-05-31 Verfahren zum vermindern des zusammenbackens waehrend einer alpha-olefinpolymerisation.

Country Status (13)

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

Families Citing this family (149)

* 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
ES2022572T5 (es) 1987-10-22 1995-08-16 Union Carbide Corp Procedimiento para reducir la formacion de hojas durante la polimerizacion de alfa-olefinas.
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
US5543478A (en) * 1992-12-29 1996-08-06 Nippon Petrochemicals Company, Limited Method for operating reactor for polymerizing olefins
EP0604990B1 (de) * 1992-12-29 1997-06-11 Nippon Petrochemicals Co., Ltd. Verfahren zur Alpha-Olefin-Polymerisation in der Dampfphase
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
DE69329142T2 (de) * 1992-12-30 2001-01-11 Nippon Petrochemicals Co., Ltd. Verfahren zur Olefinpolymerisation in der Dampfphase
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
US6300432B1 (en) 1999-03-30 2001-10-09 Eastman Chemical Company Process for producing polyolefins
US6313236B1 (en) 1999-03-30 2001-11-06 Eastman Chemical Company Process for producing polyolefins
JP2002540265A (ja) 1999-03-30 2002-11-26 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
US6187879B1 (en) 1999-08-31 2001-02-13 Eastman Chemical Company Process for producing polyolefins
US6191238B1 (en) 1999-08-31 2001-02-20 Eastman Chemical Company Process for producing polyolefins
WO2001016189A1 (en) 1999-08-31 2001-03-08 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
KR20050084590A (ko) * 2002-09-27 2005-08-26 유니베이션 테크놀로지즈, 엘엘씨 반응기 벽 코팅물 및 이의 형성 방법
US6831140B2 (en) * 2002-12-26 2004-12-14 Univation Technologies, Llc Static measurement and detection in a gas phase polyethylene reactor
CN100351275C (zh) * 2003-03-21 2007-11-28 陶氏环球技术公司 形态控制的烯烃聚合方法
PT1644422E (pt) * 2003-07-11 2007-02-28 Ineos Europe Ltd Processo para a (co-) polimerização de etileno em fase gasosa
US7276564B2 (en) * 2003-07-11 2007-10-02 Ineos Europe Limited Process for the (co-)polymerization of ethylene in the gas phase
BRPI0413962B1 (pt) 2003-09-23 2021-02-02 Dow Global Technologies Inc processo para a polimerização de etileno em fase gasosa
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
US7808227B2 (en) * 2006-07-07 2010-10-05 Univation Technologies, Llc Systems and methods 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。
EP2084194B1 (de) * 2006-07-31 2011-05-18 Univation Technologies, LLC Verfahren und vorrichtung zur regulierung von statischer aufladung in polyolefinreaktoren
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
WO2008108931A1 (en) * 2007-03-06 2008-09-12 Univation Technologies, Llc Methods for applying solution catalysts to reactor surfaces
CN101627061B (zh) * 2007-03-06 2012-07-18 尤尼威蒂恩技术有限公司 聚合的方法和装置
US7875685B2 (en) * 2007-11-07 2011-01-25 Exxonmobil Chemical Patents Inc. Gas phase polymerization and distributor plate passivation treatment
EP2090356A1 (de) 2007-12-24 2009-08-19 Borealis Technology OY Reaktorsysteme und Verfahren zur katalytischen Polymerisierung von Olefinen, sowie die Verwendung des Reaktorsystems bei der katalytischen Polymerisierung von Olefinen
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
EP2082797A1 (de) 2007-12-24 2009-07-29 Borealis Technology OY Reaktorsystem für die katalytische Polymerisierung von Olefinen mit Abschirmmitteln und Verfahren und Verwendung davon
RU2486953C2 (ru) * 2008-04-22 2013-07-10 Юнивейшн Текнолоджиз, Ллк Реакторная система и способ ее использования
EP2130859A1 (de) 2008-06-02 2009-12-09 Borealis AG Polymerzusammensetzungen mit verbesserter Homogenität und verbessertem Geruch, Verfahren zu deren Herstellung und daraus hergestellte Rohre
EP2130863A1 (de) 2008-06-02 2009-12-09 Borealis AG Hochdichte Polymerzusammensetzungen, Verfahren für ihre Herstellung und daraus hergestellte druckfeste Rohre
EP2130862A1 (de) 2008-06-02 2009-12-09 Borealis AG Polymerzusammensetzung und daraus hergestellte druckfeste Rohre
US7718743B2 (en) * 2008-08-01 2010-05-18 Exxonmobil Chemical Patents Inc. Methods for monitoring reactor passivation for gas phase polymerization
EP2182526A1 (de) 2008-10-31 2010-05-05 Borealis AG Kabel und Polymerzusammensetzung enthaltend ein multimodales Ethylen-Copolymer
EP2182525A1 (de) 2008-10-31 2010-05-05 Borealis AG Kabel und Polymerzusammensetzung enthaltend ein multimodales Ethylen-Copolymer
EP2182524A1 (de) 2008-10-31 2010-05-05 Borealis AG Kabel und Polymerzusammensetzung enthaltend ein multimodales Ethylen-Copolymer
ATE551369T1 (de) 2008-11-17 2012-04-15 Borealis Ag Mehrstufiger prozess zur herstellung von polyethylen mit reduzierter gelbildung
CN102272165B (zh) 2009-01-08 2013-08-28 尤尼威蒂恩技术有限责任公司 用于聚烯烃聚合方法的添加剂
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
ATE529450T1 (de) 2009-02-25 2011-11-15 Borealis Ag Multimodales polymer aus propylen, zusammensetzung damit und verfahren zur herstellung davon
EP2223944A1 (de) 2009-02-26 2010-09-01 Borealis AG Verfahren zur Herstellung von Semikristallin-Propylenpolymeren
US8957167B2 (en) 2009-07-28 2015-02-17 Univation Technologies, Llc Polymerization process using a supported constrained geometry catalyst
CN102666601B (zh) 2009-11-13 2014-04-23 博瑞立斯有限公司 烯烃聚合方法
EP2499168B1 (de) 2009-11-13 2017-05-10 Borealis AG Verfahren zur Wiederherstellung einer Übergangsmetallverbindung
US8603933B2 (en) 2009-11-13 2013-12-10 Borealis Ag Process for recovering a transition metal compound
EP2322568B1 (de) 2009-11-13 2013-05-15 Borealis AG Verfahren zur Herstellung eines Olefin-Polymerisationskatalysatoren
CA2792990C (en) 2010-03-17 2019-05-14 Borealis Ag Polyethylene polymer composition and power cable with improved electrical properties
CA2792989C (en) 2010-03-17 2018-08-14 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
EP2452959B1 (de) 2010-11-12 2015-01-21 Borealis AG Verfahren zur Herstellung von statistischen Propylencopolymeren und deren Verwendung
EP2452976A1 (de) 2010-11-12 2012-05-16 Borealis AG Heterophasische Propylencopolymere mit verbesserten Steifheits-/Stoßfestigkeits-/Fließfähigkeitsverhältnis
EP2452957A1 (de) 2010-11-12 2012-05-16 Borealis AG Verbessertes Verfahren zur Herstellung heterophasischer Propylencopolymere
EP2452960B1 (de) 2010-11-12 2015-01-07 Borealis AG Verfahren zur Herstellung von Propylencopolymeren mit einer extrem hohen Schmelzflussrate
WO2012087560A1 (en) 2010-12-22 2012-06-28 Univation Technologies, Llc Additive for polyolefin polymerization processes
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 (de) 2011-09-16 2013-03-20 Borealis AG Polyethylenzusammensetzung mit breiter Molekulargewichtsverteilung und verbesserter Homogenität
EP2583998B1 (de) 2011-10-21 2018-02-28 Borealis AG Polyethylenzusammensetzung mit sehr schneller Rissausbreitungsbeständigkeit und Druckbeständigkeit
EP2594333B1 (de) 2011-11-21 2014-07-30 Borealis AG Verfahren zur Rückgewinnung von Polymeren und Vorrichtung dafür
EP2599828A1 (de) 2011-12-01 2013-06-05 Borealis AG Multimodale Polyethylenzusammensetzung zur Herstellung von Rohren mit verbesserter Beständigkeit gegen langsames Risswachstum
EP2617741B1 (de) 2012-01-18 2016-01-13 Borealis AG Verfahren zur polymerisierung von olefinpolymeren in gegenwart eines katalysators und verfahren zur steuerung des verfahrens
EP2620472B1 (de) 2012-01-24 2018-05-30 Borealis AG Polyethylen-zusammensetzung mit verbessertem niedertemperatur-druckwiderstand
EP2730611B1 (de) 2012-11-09 2017-01-04 Abu Dhabi Polymers Company Limited (Borouge) Tropfenbewässerungsrohr mit einer polymerzusammensetzung, die ein multimodales polyethylenbasisharz umfasst
EP2730612B1 (de) 2012-11-09 2016-09-14 Abu Dhabi Polymers Company Limited (Borouge) Polymerzusammensetzung mit einer Mischung aus multimodalem Polyethylen und weiteres Ethylenpolymer, das für die Produktion eines Tropfenbewässerungsrohres geeignet ist
EP2740761B1 (de) 2012-12-05 2016-10-19 Borealis AG Polyethylenzusammensetzung mit verbessertem gleichgewicht zwischen beständigkeit gegen langsames risswachstum, einflussleistung und rohrdruckbeständigkeit für rohranwendungen
EP2749580B1 (de) 2012-12-28 2016-09-14 Borealis AG Verfahren zum herstellen von copolymeren aus propylen
EP2796472B1 (de) 2013-04-22 2017-06-28 Borealis AG Zweistufiges Verfahren zur Herstellung von Polypropylenzusammensetzungen
EP3235832B1 (de) 2013-04-22 2018-06-20 Borealis AG Polypropylenzusammensetzungen
EP2796499B1 (de) 2013-04-22 2018-05-30 Abu Dhabi Polymers Company Limited (Borouge) Polypropylenzusammensetzung mit verbesserter Schlagfestigkeit für Rohranwendungen
EP2796473B1 (de) 2013-04-22 2017-05-31 Borealis AG Mehrstufenverfahren zur Herstellung von niedrigtemperaturbeständigen Polypropylenzusammensetzungen
EP2796500B1 (de) 2013-04-22 2018-04-18 Abu Dhabi Polymers Company Limited (Borouge) Propylen-Random-Copolymerzusammensetzung für Rohranwendungen
ES2569078T3 (es) 2013-04-22 2016-05-06 Abu Dhabi Polymers Company Limited (Borouge) Composición de polipropileno multimodal para aplicaciones de tuberías
EP2796498B1 (de) 2013-04-22 2018-09-12 Abu Dhabi Polymers Company Limited (Borouge) Multimodale Polypropylenzusammensetzung für Rohranwendungen
EP2853562A1 (de) 2013-09-27 2015-04-01 Borealis AG Zweistufiges Verfahren zur Herstellung von Polypropylenzusammensetzungen
EP2860204B1 (de) 2013-10-10 2018-08-01 Borealis AG Polyethylenzusammensetzung für Rohranwendungen
EP2860200B1 (de) 2013-10-10 2017-08-02 Borealis AG Polyethylenzusammensetzung für Rohre und Rohrbeschichtungsanwendungen
EP2860201A1 (de) 2013-10-10 2015-04-15 Borealis AG Hochtemperaturbeständiges Polyethylen und Verfahren zu seiner Herstellung
EP2860202B1 (de) 2013-10-10 2018-05-30 Borealis AG Hochtemperaturbeständiges Polyethylen und Verfahren zu seiner Herstellung
EP2860203B1 (de) 2013-10-10 2016-12-14 Borealis AG Mehrstufenverfahren zur herstellung von polyethylenzusammensetzungen
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 (de) 2013-12-13 2015-06-17 Borealis AG Mehrstufenverfahren zur Herstellung von Polyethylenzusammensetzungen
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 (de) 2013-12-23 2016-09-14 Abu Dhabi Polymers Company Limited (Borouge) Polyethylenzusammensetzung für Rohranwendungen mit verbesserten Durchhangeigenschaften
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
US11292156B2 (en) 2014-12-08 2022-04-05 Borealis Ag Process for producing pellets of copolymers of propylene
CN112979842B (zh) 2015-02-05 2022-11-11 博里利斯股份公司 用于生产聚乙烯的方法
CN117924571A (zh) 2015-02-20 2024-04-26 北欧化工股份公司 制备多相丙烯共聚物的方法
EP3088458B2 (de) 2015-04-27 2022-10-05 Abu Dhabi Polymers Company Limited (Borouge) L.L.C. Für rohranwendungen geeignete polyethylenzusammensetzung
EP3109275B2 (de) 2015-06-22 2026-06-10 Abu Dhabi Polymers Company Limited (Borouge) L.L.C. Polyethylenzusammensetzung für rohranwendungen mit verbesserten durchhang- und extrusionseigenschaften
ES2707391T3 (es) 2015-06-23 2019-04-03 Borealis Ag Procedimiento para la producción de resinas de LLDPE
EP3238938A1 (de) 2016-04-29 2017-11-01 Borealis AG Maschinenlaufrichtungorientierte folie enthaltend multimodal ethylen-copolymer und mindestens zwei alpha-olefin comonomeren
PL3252085T3 (pl) 2016-05-31 2023-02-13 Borealis Ag Pancerz o polepszonych właściwościach
WO2017207493A1 (en) 2016-05-31 2017-12-07 Borealis Ag Polymer composition and a process for production of the polymer composition
US20190256695A1 (en) 2016-06-22 2019-08-22 Borealis Ag Polymer composition and a process for production of the polymer composition
BR112019002951B1 (pt) 2016-11-25 2022-12-20 Borealis Ag Composição de polímero, artigo, uso da composição de polietileno, e, processo para a produção de uma composição de polímero
EP3418330B2 (de) 2017-06-21 2023-07-19 Borealis AG Polymerzusammensetzung und verfahren zur herstellung einer polymerzusammensetzung
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
WO2020016370A1 (en) 2018-07-19 2020-01-23 Borealis Ag Process for the preparation of an uhmwpe homopolymer
KR102593922B1 (ko) 2018-10-31 2023-10-25 보레알리스 아게 개선된 균질성을 갖는 고압력 저항성 파이프용 폴리에틸렌 조성물
EP3647645A1 (de) 2018-10-31 2020-05-06 Borealis AG Polyethylenzusammensetzung für hochdruckresistente rohre
WO2020109289A1 (en) 2018-11-28 2020-06-04 Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C. 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
KR102670190B1 (ko) 2019-06-24 2024-05-28 보레알리스 아게 회수율이 개선된 폴리프로필렌의 제조 공정
CN116731232B (zh) 2019-07-22 2026-07-28 阿布扎比聚合物有限公司(博禄)-独资企业有限责任公司 单活性中心催化的多峰聚乙烯组合物
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
EP3835327B1 (de) 2019-12-09 2024-07-31 Borealis AG System zur herstellung von polyolefin und verfahren zur rückgewinnung von polymerisationsprodukten aus einem gasphasenreaktor
EP4093780A1 (de) 2020-01-24 2022-11-30 ExxonMobil Chemical Patents Inc. Verfahren zur herstellung von bimodalen polyolefinen und schlagzähen polymeren
EP4107196A1 (de) 2020-02-17 2022-12-28 ExxonMobil Chemical Patents Inc. Polymerzusammensetzungen auf der basis von propylen mit hohem molekulargewicht
KR102513518B1 (ko) 2020-12-23 2023-03-22 디엘케미칼 주식회사 메탈로센 올레핀 중합 공정용 대전방지제를 이용한 올레핀 중합 방법
EP4019583B1 (de) 2020-12-28 2024-04-10 ABU DHABI POLYMERS CO. LTD (BOROUGE) - Sole Proprietorship L.L.C. Polyethylenzusammensetzung für filmanwendungen mit verbesserter zähigkeit und steifigkeit
EP4389820A1 (de) 2022-12-21 2024-06-26 Borealis AG Statistische polypropylencopolymerzusammensetzungen mit verbesserter schlagfestigkeit für rohranwendungen
EP4389777A1 (de) 2022-12-22 2024-06-26 Borealis AG Hochdichtes polyethylen für rohranwendungen mit verbesserter druckleistung und verbesserten mechanischen eigenschaften
EP4393967A1 (de) 2022-12-27 2024-07-03 Borealis AG Pe100-rc mit buten als comonomer
EP4570856B1 (de) 2023-12-14 2026-07-29 Borealis GmbH Statistische polypropylencopolymerzusammensetzungen mit verbesserter schlagfestigkeit für rohranwendungen
EP4574894A1 (de) 2023-12-22 2025-06-25 Abu Dhabi Polymers Co. Ltd (Borouge) - Sole Proprietorship L.L.C. Polyethylenrohr mit verbesserter leistung bei hydrostatischem hochtemperaturdruck
WO2025250319A1 (en) 2024-05-30 2025-12-04 ExxonMobil Technology and Engineering Company Methods for improving gas-phase polymerization

Family Cites Families (15)

* 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 (de) * 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
WO2007123995A2 (en) 2006-04-19 2007-11-01 Bionumerik Pharmaceuticals, Inc. Camptothecin-analog with a novel, “flipped” lactone-stable, e-ring and methods for making and using same

Also Published As

Publication number Publication date
DK50787D0 (da) 1987-01-30
FI87358C (fi) 1992-12-28
KR870700642A (ko) 1987-12-30
NO870324L (no) 1987-01-27
NO167148B (no) 1991-07-01
CN85104124A (zh) 1986-11-26
BR8507299A (pt) 1987-11-03
FI87358B (fi) 1992-09-15
DK50787A (da) 1987-01-30
NO870324D0 (no) 1987-01-27
HUT43330A (en) 1987-10-28
EP0224479B1 (de) 1989-08-23
WO1986007065A1 (en) 1986-12-04
US4532311A (en) 1985-07-30
HU205026B (en) 1992-03-30
DE3572495D1 (en) 1989-09-28
JPH075657B2 (ja) 1995-01-25
JPS63500176A (ja) 1988-01-21
NO167148C (no) 1991-10-09
EP0224479A1 (de) 1987-06-10
KR920003839B1 (ko) 1992-05-15
FI870424A0 (fi) 1987-01-30
FI870424L (fi) 1987-01-30
CN1007728B (zh) 1990-04-25

Similar Documents

Publication Publication Date Title
KR870700642A (ko) 알파-올레핀을 중합하는 동안 쉬팅을 감소시키는 방법
DE3577342D1 (de) System zum fortgesetzten verlegen von unterwasserrohren mittels einer trommel.
ATE63926T1 (de) Verfahren zum vermindern des zusammenbackens waehrend einer alpha-olefinpolymerisation.
AT363682B (de) Verfahren zum polymerisieren von olefinen
DE3686600D1 (de) Verfahren zum herstellen einer harzumhuellten halbleiteranordnung.
ATA484678A (de) Verfahren zum polymerisieren von alpha-olefinen
DE3682928D1 (de) Verfahren zum polymerisieren von aethylen.
DE3580218D1 (de) Regelverfahren eines wechselrichters zum antrieb von industriemotoren.
DE3586106D1 (de) Verfahren zum desaktivieren eines ethylenpolymerisationskatalysators.
DE3671324D1 (de) Verfahren zum herstellen einer halbleiteranordnung.
AT373799B (de) Vielpunktschweissmaschine zum herstellen von gittern oder gitterrosten
ATE33395T1 (de) Verfahren zum polymerisieren von olefinen.
DD135285A5 (de) Verfahren zum polymerisieren von vinylmonomeren
GB2166748B (en) Method for the single-step production of vinyl polymers and the reactor for performing the method
ATE62697T1 (de) Verfahren zum herstellen von homo-und copolymerisaten des propens mittels eines ziegler-natta-katalysatorsystems.
DE3688311D1 (de) Verfahren zum zuechten von rekombinanten zellen.
DE3581131D1 (de) Verfahren zum erzeugen einer festen brennstoff/wasser-suspension hoher konzentration.
MY102972A (en) Process for reducing sheeting during polymerization of alpha- olefins
DE3671204D1 (de) Verfahren zum herstellen von silanen.
ATE59190T1 (de) Verfahren zum herstellen von homo- und copolymerisaten des propylens mittels eines ziegler-natta-katalysatorsystems.
DE3680036D1 (de) Verfahren zum herstellen einer halbleiteranordnung.
DE3667985D1 (de) Verfahren zum herstellen von copolymerisaten des ethylens mittels eines ziegler-katalysatorsystems.
ATA126678A (de) Verfahren zum herstellen von vinylchlorid- polymeren
DE3581741D1 (de) Verfahren zum polymerisieren von alpha-olefinen mit einem ziegler-katalysator.
AT369755B (de) Verfahren zum herstellen von vinylchloridpolymeren durch suspensionspolymerisation

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee