ZA93666B - Process for the gas-phase polymerization of alpha-olefins. - Google Patents

Process for the gas-phase polymerization of alpha-olefins.

Info

Publication number
ZA93666B
ZA93666B ZA93666A ZA93666A ZA93666B ZA 93666 B ZA93666 B ZA 93666B ZA 93666 A ZA93666 A ZA 93666A ZA 93666 A ZA93666 A ZA 93666A ZA 93666 B ZA93666 B ZA 93666B
Authority
ZA
South Africa
Prior art keywords
olefins
alpha
gas
phase polymerization
polymerization
Prior art date
Application number
ZA93666A
Other languages
English (en)
Inventor
Gabriele Govoni
Giovanni Patroncini
Original Assignee
Spherilene Srl
Himont Inc
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 Spherilene Srl, Himont Inc filed Critical Spherilene Srl
Publication of ZA93666B publication Critical patent/ZA93666B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/18—Assembling together the component parts of electrode systems
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA93666A 1992-01-31 1993-01-29 Process for the gas-phase polymerization of alpha-olefins. ZA93666B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI920191A IT1262933B (it) 1992-01-31 1992-01-31 Processo per la polimerizzazione in fase gas di alfa-olefine

Publications (1)

Publication Number Publication Date
ZA93666B true ZA93666B (en) 1993-09-02

Family

ID=11361761

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA93666A ZA93666B (en) 1992-01-31 1993-01-29 Process for the gas-phase polymerization of alpha-olefins.

Country Status (22)

Country Link
US (1) US5410002A (Direct)
EP (1) EP0560035B1 (Direct)
KR (1) KR100262204B1 (Direct)
CN (1) CN1041833C (Direct)
AR (1) AR246070A1 (Direct)
AT (1) ATE159732T1 (Direct)
AU (1) AU653885B2 (Direct)
BR (1) BR9300452A (Direct)
CA (1) CA2088524C (Direct)
DE (1) DE69314826T2 (Direct)
DK (1) DK0560035T3 (Direct)
ES (1) ES2110529T3 (Direct)
FI (1) FI106309B (Direct)
GR (1) GR3025520T3 (Direct)
IL (1) IL104560A (Direct)
IT (1) IT1262933B (Direct)
MX (1) MX9300541A (Direct)
MY (1) MY109770A (Direct)
NO (1) NO301124B1 (Direct)
RU (1) RU2124026C1 (Direct)
TW (1) TW229216B (Direct)
ZA (1) ZA93666B (Direct)

Families Citing this family (151)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW354792B (en) * 1993-08-13 1999-03-21 Mitsui Petrochemical Ind Olefin polymerization catalyst and process for preparing polypropylene and propylene block copolymer
JP3499561B2 (ja) † 1993-09-16 2004-02-23 ユニオン・カーバイド・ケミカルズ・アンド・プラスティックス・テクノロジー・コーポレーション ポリマーの製造
US6124230A (en) * 1995-07-13 2000-09-26 Exxon Chemical Patents, Inc. Polymerization catalyst systems, their production and use
US6140432A (en) * 1995-07-13 2000-10-31 Exxon Chemical Patents Inc. Polymerization catalyst systems, their production and use
FI105818B (fi) * 1996-03-13 2000-10-13 Borealis Tech Oy Prosessi olefiinimonomeerien polymeroimiseksi
US6191239B1 (en) 1998-02-18 2001-02-20 Eastman Chemical Company Process for producing polyethylene
US6271321B1 (en) 1998-02-18 2001-08-07 Eastman Chemical Company Process for producing polyethylene
US6228957B1 (en) 1998-02-18 2001-05-08 Eastman Chemical Company Process for producing polyethlene
US6534613B2 (en) 1998-02-18 2003-03-18 Eastman Chemical Company Process for producing polyethylene
US6245868B1 (en) 1998-05-29 2001-06-12 Univation Technologies Catalyst delivery method, a catalyst feeder and their use in a polymerization process
US7354880B2 (en) * 1998-07-10 2008-04-08 Univation Technologies, Llc Catalyst composition and methods for its preparation and use in a polymerization process
US6291613B1 (en) 1998-10-27 2001-09-18 Eastman Chemical Company Process for the polymerization of olefins
EP1522544B1 (en) 1998-10-27 2008-03-12 Westlake Longview Corporation Process for the polymerization of olefins; polyethylenes, and films and articles produced therefrom
US20040138057A1 (en) * 1998-12-21 2004-07-15 Wenzel Timothy T. Catalyst composition and methods for its preparation and use in a polymerization process
US6300432B1 (en) 1999-03-30 2001-10-09 Eastman Chemical Company Process for producing polyolefins
DE69919408T2 (de) 1999-03-30 2005-11-17 Eastman Chemical Co., Kingsport Verfahren zur herstellung von polyolefine
US6417299B1 (en) 1999-06-07 2002-07-09 Eastman Chemical Company Process for producing ethylene/olefin interpolymers
US6359083B1 (en) 2000-05-02 2002-03-19 Eastman Chemical Company Olefin polymerization process
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
CN1294161C (zh) * 2002-05-29 2007-01-10 巴塞尔聚烯烃意大利有限公司 1－丁烯聚合物(共聚物)及其制备方法
US6884749B2 (en) 2002-10-17 2005-04-26 Equistar Chemicals L.P. Supported catalysts which reduce sheeting in olefin polymerization, process for the preparation and the use thereof
JP4742221B2 (ja) * 2003-03-21 2011-08-10 ダウ グローバル テクノロジーズ エルエルシー モルホロジー制御オレフィン重合プロセス
EP1668046B8 (en) † 2003-09-23 2021-04-21 W.R. Grace & CO. - CONN. Self limiting catalyst composition and propylene polymerization process
CA2539505C (en) 2003-09-23 2012-05-15 Dow Global Technologies Inc. Catalyst composition for ethylene polymerization
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
US7754830B2 (en) 2004-05-20 2010-07-13 Univation Technologies, Llc Polymerization reaction monitoring with determination of induced condensing agent concentration for preventing discontinuity events
US7683140B2 (en) * 2004-05-20 2010-03-23 Univation Technologies, Llc Method for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring
KR100895168B1 (ko) 2004-05-20 2009-05-04 유니베이션 테크놀로지즈, 엘엘씨 가스 올레핀 중합 방법
JP2008528779A (ja) 2005-02-03 2008-07-31 バーゼル・ポリオレフィン・イタリア・ソチエタ・ア・レスポンサビリタ・リミタータ 射出成形用プロピレンポリマー組成物
WO2006120190A1 (en) 2005-05-12 2006-11-16 Basell Poliolefine Italia S.R.L. Propylene-ethylene copolymers and process for their preparation
PL1888653T3 (pl) * 2005-06-07 2016-08-31 Saudi Basic Ind Corp Sposób polimeryzacji olefin
MX2008000386A (es) 2005-07-01 2008-03-07 Basell Poliolefine Srl Polimeros de propileno que tienen una distribucion de peso molecular amplia.
WO2008018976A1 (en) * 2006-08-04 2008-02-14 Univation Technologies, Llc Method of maintaining heat transfer capacity in a polymerization reaction system
MX2009002495A (es) * 2006-09-07 2009-05-22 Univation Tech Llc Metodos para determinacion en linea del grado de pegajosidad de resina usando un modelo para la reduccion de la temperatura de inicio de fusion.
JP2010502813A (ja) * 2006-09-07 2010-01-28 ユニベーション・テクノロジーズ・エルエルシー 重合反応監視によって生成したデータから樹脂粘着性を示す温度値を決定するための方法
BRPI0605781A (pt) 2006-12-29 2008-08-19 Braskem Sa composição anti-estática para polimerização ou copolimerização de olefinas em fase gás, processo de polimerização ou copolimerização de olefinas em fase gás, e, polìmero ou copolìmero de olefina assim obtido
US7402636B1 (en) * 2007-03-23 2008-07-22 Exxonmobil Chemical Patents Inc Method and apparatus for decreasing polymer deposition
WO2008121187A1 (en) * 2007-03-30 2008-10-09 Univation Technologies, Llc Systems and methods for fabricating polyolefins
TW200909449A (en) * 2007-07-18 2009-03-01 Basell Poliolefine Srl Process for the polymerization of olefins
KR101787927B1 (ko) 2007-12-21 2017-10-18 더블유.알. 그레이스 앤드 캄파니-콘. 두자리 내부 공여체를 가진 자기-제한성 촉매 조성물
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
CA2711162A1 (en) * 2007-12-31 2009-07-16 Dow Global Technologies Inc. Process for polymerizing olefin-based polymers
EP2130862A1 (en) 2008-06-02 2009-12-09 Borealis AG Polymer compositions and pressure-resistant pipes made thereof
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
WO2009157770A1 (en) * 2008-06-26 2009-12-30 Basf Catalysts Llc Process for the production of an alpha-olefin polymer
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
EP2182524A1 (en) 2008-10-31 2010-05-05 Borealis AG Cable and Polymer composition comprising a multimodal ethylene copolymer
ES2381849T3 (es) 2008-11-17 2012-06-01 Borealis Ag Procedimiento multietapa para producir polietileno con formación de gel reducida
ATE529450T1 (de) 2009-02-25 2011-11-15 Borealis Ag Multimodales polymer aus propylen, zusammensetzung damit und verfahren zur herstellung davon
EP2223944A1 (en) 2009-02-26 2010-09-01 Borealis AG Process for producing semicrystalline propylene polymers
RU2567391C2 (ru) 2009-08-21 2015-11-10 Чайна Петролеум Энд Кемикал Корпорейшн Компонент катализатора для полимеризации этилена, приготовление такового и катализатор, включающий компонент катализатора
EP2475690B1 (en) * 2009-09-11 2014-01-08 Basell Poliolefine Italia S.r.l. Process for the gas-phase polymerization of olefins
WO2011058089A1 (en) 2009-11-13 2011-05-19 Borealis Ag Process for producing a polymerization catalyst
EA021843B1 (ru) 2009-11-13 2015-09-30 Бореалис Аг Способ полимеризации олефина
WO2011058088A1 (en) 2009-11-13 2011-05-19 Borealis Ag Process for recovering a transition metal compound
EP2322568B1 (en) 2009-11-13 2013-05-15 Borealis AG Process for producing an olefin polymerization catalyst
WO2011080128A1 (en) 2009-12-29 2011-07-07 Basell Poliolefine Italia S.R.L. Process for the production of polyolefin films
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
EP2621961B1 (en) 2010-09-28 2016-12-07 Basell Polyolefine GmbH Method for feeding an antistatic compound to a polymerization reactor
EP2621960B1 (en) 2010-09-28 2014-12-03 Basell Polyolefine GmbH Method for feeding an antistatic compound to a polymerization reactor
BR112013006100B1 (pt) 2010-09-28 2020-02-11 Basell Polyolefine Gmbh Artigos extrudados de polietileno
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
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
MX362519B (es) 2010-12-20 2019-01-21 Braskem America Inc Composiciones a base de propileno con aspecto mejorado y excelente fluidez en el molde.
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
EP2711379A1 (en) 2012-09-21 2014-03-26 Basell Poliolefine Italia S.r.l. Process for the gas-phase polymerization of olefins
EP2722347A1 (en) * 2012-10-22 2014-04-23 Basell Polyolefine GmbH Multistage process for the polymerization of olefins
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
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
EP2754678A1 (en) * 2013-01-14 2014-07-16 Basell Poliolefine Italia S.r.l. Process for the preparation of ethylene polymers
TR201808436T4 (tr) 2013-04-22 2018-07-23 Abu Dhabi Polymers Co Ltd Borouge Boru uygulamaları için geliştirilmiş darbe dayanımına sahip polipropilen kompozisyonu.
ES2628082T3 (es) 2013-04-22 2017-08-01 Borealis Ag Procedimiento con múltiples etapas para producir composiciones de polipropileno resistentes a baja temperatura
PL2796498T3 (pl) 2013-04-22 2019-03-29 Abu Dhabi Polymers Company Limited (Borouge) Multimodalna kompozycja polipropylenowa do zastosowania w rurach
PL2796501T3 (pl) 2013-04-22 2017-01-31 Abu Dhabi Polymers Company Limited (Borouge) Wielomodalna polipropylenowa kompozycja do zastosowań do rur
EP2796474B1 (en) 2013-04-22 2018-01-10 Borealis AG Multistage process for producing polypropylene compositions
EP2796472B1 (en) 2013-04-22 2017-06-28 Borealis AG Two-stage process for producing polypropylene compositions
EP2796500B1 (en) 2013-04-22 2018-04-18 Abu Dhabi Polymers Company Limited (Borouge) Propylene random copolymer composition for pipe applications
EP2842912A1 (en) 2013-08-26 2015-03-04 Basell Poliolefine Italia S.r.l. Method for improving the operability of an olefin polymerization reactor
EP2853562A1 (en) 2013-09-27 2015-04-01 Borealis AG Two-stage process for producing polypropylene compositions
EP2860200B1 (en) 2013-10-10 2017-08-02 Borealis AG Polyethylene composition for pipe and pipe coating applications
EP2860201A1 (en) 2013-10-10 2015-04-15 Borealis AG High temperature resistant polyethylene and process for the production thereof
EP2860204B1 (en) 2013-10-10 2018-08-01 Borealis AG Polyethylene composition for pipe applications
EP2860203B1 (en) 2013-10-10 2016-12-14 Borealis AG Multistage process for producing polyethylene compositions
EP2860202B1 (en) 2013-10-10 2018-05-30 Borealis AG High temperature resistant polyethylene and process for the production thereof
WO2015061922A1 (en) 2013-10-30 2015-05-07 Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C. Polyethylene composition suitable for injection moulding applications
EP3068808B1 (en) * 2013-11-15 2018-07-11 Dow Global Technologies Llc Catalyst composition and method of polymerisation using it
EP2883885A1 (en) 2013-12-13 2015-06-17 Borealis AG Multistage process for producing polyethylene compositions
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
US11292156B2 (en) 2014-12-08 2022-04-05 Borealis Ag Process for producing pellets of copolymers of propylene
ES2944941T3 (es) 2015-02-05 2023-06-27 Borealis Ag Procedimiento para producir polietileno
BR112017016081B1 (pt) 2015-02-20 2022-05-03 Borealis Ag Copolímeros heterofásicos de propileno, seu processo para produção e tubo
BR112017018429B1 (pt) 2015-03-26 2022-04-12 Basell Polyolefine Gmbh Processo de polimerização na presença de agente antiestático
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
SG11201803414TA (en) 2015-12-21 2018-05-30 Basell Poliolefine Italia Srl Olefin polymerization process in the presence of antistatic composition
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
WO2017207493A1 (en) 2016-05-31 2017-12-07 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
CN109923168B (zh) 2016-11-25 2023-01-24 博里利斯股份公司 组合物和方法
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
EP3480220A1 (en) * 2017-11-06 2019-05-08 Borealis AG Combined sequential parallel reactor configuration
US11680114B2 (en) 2018-07-19 2023-06-20 Borealis Ag Process for the preparation of an UHMWPE homopolymer
WO2020069853A1 (en) 2018-10-02 2020-04-09 Sabic Global Technologies B.V. Method for the manufacture of a polyolefin compound
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
SG11202102809UA (en) 2018-11-28 2021-04-29 Abu Dhabi Polymers Co Ltd Borouge Polyethylene composition for film applications
US10781273B2 (en) * 2018-12-27 2020-09-22 Chevron Phillips Chemical Company Lp Multiple reactor and multiple zone polyolefin polymerization
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
WO2021045889A1 (en) 2019-09-05 2021-03-11 Exxonmobil Chemical Patents Inc. Processes for producing polyolefins and impact copolymers with broad molecular weight distribution and high stiffness
EP4048729A1 (en) 2019-10-22 2022-08-31 Celanese International Corporation Thermoplastic vulcanizate compositions and processes for the production thereof
WO2021080803A1 (en) 2019-10-22 2021-04-29 Exxonmobil Chemical Patents Inc. Impact copolymer compositions
EP3835327B1 (en) 2019-12-09 2024-07-31 Borealis AG System for producing polyolefin and process for recovering polymerization product from gas phase reactor
EP4093780A1 (en) 2020-01-24 2022-11-30 ExxonMobil Chemical Patents Inc. Methods for producing bimodal polyolefins and impact copolymers
EP4107196A1 (en) 2020-02-17 2022-12-28 ExxonMobil Chemical Patents Inc. Propylene-based polymer compositions having a high molecular weight tail
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
EP4335877A1 (en) 2022-09-09 2024-03-13 Basell Polyolefine GmbH Continuous olefin polymerization process in the presence of an antistatic agent
EP4372016A1 (en) 2022-11-18 2024-05-22 Basell Poliolefine Italia S.r.l. Olefin polymerization process comprising the use of an antistatic composition
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
TWI848671B (zh) * 2023-04-25 2024-07-11 臺灣塑膠工業股份有限公司 丙烯聚合用觸媒組合物及聚丙烯的製造方法
TWI885732B (zh) * 2023-04-25 2025-06-01 臺灣塑膠工業股份有限公司 丙烯聚合用觸媒組合物及聚丙烯的製造方法
CN116333193B (zh) * 2023-05-22 2024-02-02 上海优铖工逸技术有限公司 一种齐格勒纳塔催化剂及其制备方法、应用
WO2024246270A1 (en) 2023-05-31 2024-12-05 Basell Poliolefine Italia S.R.L. Process for the polymerization of olefins
CN121100140A (zh) 2023-06-01 2025-12-09 巴塞尔聚烯烃意大利有限公司 烯烃聚合工艺
EP4570856A1 (en) 2023-12-14 2025-06-18 Borealis AG Polypropylene random copolymer compositions with improved impact resistance for pipe applications
EP4574894A1 (en) 2023-12-22 2025-06-25 Abu Dhabi Polymers Co. Ltd (Borouge) - Sole Proprietorship L.L.C. Polyethylene pipe with improved high temperature hydrostatic pressure performance
WO2025193268A1 (en) 2024-03-14 2025-09-18 Braskem S.A. Chemical fouling removal method for polymerization processes

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL283120A (Direct) * 1961-09-28
NL162661B (nl) * 1968-11-21 1980-01-15 Montedison Spa Werkwijze om een katalysator te bereiden voor de poly- merisatie van alkenen-1.
YU35844B (en) * 1968-11-25 1981-08-31 Montedison Spa Process for obtaining catalysts for the polymerization of olefines
NL190723C (nl) * 1975-06-12 1994-07-18 Montedison Spa Werkwijze voor het bereiden van Ziegler-katalysatoren voor de polymerisatie van alkenen.
IT1078995B (it) * 1977-05-24 1985-05-08 Montedison Spa Catalizzatori per la polimeriazzazione di olefine
IT1150650B (it) * 1982-03-10 1986-12-17 Montedison Spa Reattore a letto fluido
US4526943A (en) * 1982-07-29 1985-07-02 The Dow Chemical Company Process for polymerizing olefins in the presence of a catalyst prepared from organomagnesium compound, organic hydroxyl-containing compound, reducing halide source and transition metal compound
JPS6067508A (ja) * 1983-09-22 1985-04-17 Toa Nenryo Kogyo Kk オレフインの重合方法
CA1235543A (en) * 1984-09-12 1988-04-19 Norio Kashiwa Process for producing propylene block copolymer
DE3501858A1 (de) * 1985-01-22 1986-07-24 Neste Oy, Espoo Katalysator-komponenten, katalysator und verfahren fuer die polymerisation von olefinen
WO1987002370A1 (fr) * 1985-10-11 1987-04-23 Sumitomo Chemical Company, Limited Catalyseur de polymerisation d'olefines et procede de preparation d'un polymere d'olefines en utilisant ledit catalyseur
DE3600611A1 (de) * 1986-01-11 1987-07-16 Basf Ag Einsatz von antistatika zur vermeidung von belagbildung bei der herstellung von ultrahochmolekularem polyethylen in gasphasenreaktoren
DE3600610A1 (de) * 1986-01-11 1987-07-16 Basf Ag Einsatz von antistatika zur vermeidung von belagbildung bei der herstellung von ethylenpolymerisaten in gasphasenreaktoren
US4803251A (en) * 1987-11-04 1989-02-07 Union Carbide Corporation Method for reducing sheeting during polymerization of alpha-olefins
FR2634212B1 (fr) * 1988-07-15 1991-04-19 Bp Chimie Sa Appareillage et procede de polymerisation d'olefines en phase gazeuse dans un reacteur a lit fluidise
FR2646426B2 (fr) * 1988-09-13 1991-08-16 Bp Chemicals Sa Procede et appareillage de polymerisation d'alpha-olefine en phase gazeuse en presence d'un agent ralentisseur d'activite
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
FR2658498B1 (fr) * 1990-02-19 1992-05-15 Atochem Particules de chlorure de magnesium a structure tronc conique, composante catalytique supportee sur ces particules, polyolefines obtenues a partir de cette composante catalytique, procedes de fabrication de ces produits.
US5036480A (en) * 1990-03-12 1991-07-30 Honeywell Inc. Method and apparatus for simulating microburst windshears
JPH04202406A (ja) * 1990-11-30 1992-07-23 Ube Ind Ltd エチレンの重合及び共重合方法

Also Published As

Publication number Publication date
MX9300541A (es) 1993-07-01
NO930347L (no) 1993-08-02
CN1041833C (zh) 1999-01-27
RU2124026C1 (ru) 1998-12-27
AU653885B2 (en) 1994-10-13
FI106309B (fi) 2001-01-15
ES2110529T3 (es) 1998-02-16
AU3215993A (en) 1993-08-05
ITMI920191A0 (it) 1992-01-31
MY109770A (en) 1997-06-30
DE69314826D1 (de) 1997-12-04
IT1262933B (it) 1996-07-22
BR9300452A (pt) 1993-08-03
CA2088524C (en) 2006-07-18
TW229216B (Direct) 1994-09-01
NO301124B1 (no) 1997-09-15
NO930347D0 (no) 1993-02-01
CA2088524A1 (en) 1993-08-01
FI930404A7 (fi) 1993-08-01
EP0560035A1 (en) 1993-09-15
DK0560035T3 (da) 1997-12-01
US5410002A (en) 1995-04-25
EP0560035B1 (en) 1997-10-29
DE69314826T2 (de) 1998-04-30
AR246070A1 (es) 1994-03-30
FI930404A0 (fi) 1993-01-29
GR3025520T3 (en) 1998-02-27
ITMI920191A1 (it) 1993-07-31
KR100262204B1 (ko) 2000-07-15
KR930016447A (ko) 1993-08-26
ATE159732T1 (de) 1997-11-15
CN1075484A (zh) 1993-08-25
IL104560A (en) 1995-08-31

Similar Documents

Publication Publication Date Title
ZA93666B (en) Process for the gas-phase polymerization of alpha-olefins.
EP0517183A3 (en) Process for the gas-phase polymerization of olefins
SG81854A1 (en) Process for the polymerization or copolymerization of ethylene
AU4099489A (en) Gas-phase alpha-olefin polymerization process in the presence of an activity retarder
AU8252491A (en) Polymerisation process
HUP9702440A3 (en) Process and apparatus for the gas-phase polymerization of alpha-olefins
ZA932389B (en) Catalyst systems for the polymerization of c2-c10-alk-1-enes.
HU913177D0 (en) Process for the polymerization of ethylenes
EP0589472A3 (en) Process for ethylene polymerization.
ZA931773B (en) Substituted phenylacetamides.
FI943996A0 (fi) Polymerointimenetelmä
ZA931772B (en) Imidazolyl-substituted phenylacetamides.
EP0622384A3 (de) Verfahren zur Herstellung von Polymerpolyesterolen.
GR3019015T3 (en) Process for the preparation of 1,1,1,2-tetra-fluoroethane.
GR3026558T3 (en) High frequency fluid pulsator.
EP0635482A3 (de) Verfahren zur Herstellung von mehrfach fluorierten Nitrobenzolen.
FI932542L (fi) Foerfarande foer framstaellning av estrar av 2,2-dimetyl-3-((z)-1-propenyl)cyklopropankarboxylsyra samt mellanprodukter
EP0648784A3 (de) Verfahren zur Herstellung von Telechelen.
PH30942A (en) Olefin polymerization process.
SG67333A1 (en) Process for the home-and copolymerization of 1-olefins
ZA929873B (en) Process for the manufacture of 2-alkoxymethylacrolein.
EP0573920A3 (en) Process for the preparation of tetrachlorethylene.
GR3024856T3 (en) Process for the preparation of dichloroacetylchloride.
EP0635481A3 (de) Verfahren zur Herstellung von Fluornitrobenzolen.
EP0621264A3 (de) Verfahren zur Herstellung von 4-Alkanoaryl-benzylethern.