ES2145357T3 - Polimeros de etileno bimodales producidos en reactores en tandem. - Google Patents
Polimeros de etileno bimodales producidos en reactores en tandem.Info
- Publication number
- ES2145357T3 ES2145357T3 ES96113388T ES96113388T ES2145357T3 ES 2145357 T3 ES2145357 T3 ES 2145357T3 ES 96113388 T ES96113388 T ES 96113388T ES 96113388 T ES96113388 T ES 96113388T ES 2145357 T3 ES2145357 T3 ES 2145357T3
- Authority
- ES
- Spain
- Prior art keywords
- polymer
- sub
- ethylene
- soil
- proportion
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
-
- 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
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
- B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
-
- 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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/06—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
- C08F297/08—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
- C08F297/083—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins the monomers being ethylene or propylene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethylene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
- C08L23/0815—Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing 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
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00002—Chemical plants
- B01J2219/00027—Process aspects
- B01J2219/0004—Processes in series
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2314/00—Polymer mixtures characterised by way of preparation
- C08L2314/02—Ziegler natta catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Graft Or Block Polymers (AREA)
- Polymerisation Methods In General (AREA)
Abstract
SE PROPORCIONA UN PROCEDIMIENTO PARA PRODUCIR UNA MEZCLA DE POLIMERO DE ETILENO BIMODAL QUE COMPRENDE LA PUESTA EN CONTACTO EN UNA PRIMERA FASE GASEOSA, ZONA DE REACCION DE LECHO FLUIDIZADO BAJO CONDICIONES POLIMERICAS, UNA COMPOSICION MONOMERICA GASEOSA QUE COMPRENDE UNA PROPORCION MAYOR DE ETILENO Y, OPCIONALMENTE, HIDROGENO, CON UN CATALIZADOR ZIEGLER-NATTA, LA PROPORCION MOLAR DE HIDROGENO/ETILENO (PROPORCION H{SUB,2}/C{SUB,2}) SIENDO NO SUPERIOR A ALREDEDOR DE 0,3 Y LA PRESION PARCIAL DE ETILENO SIENDO NO SUPERIOR A ALREDEDOR DE 100 PSIA, PARA PRODUCIR UN POLIMERO DE PESO MOLECULAR RELATIVAMENTE ALTO (HMW) ASOCIADO A PARTICULAS CATALIZADORAS EN UNA SECUNDA FASE GASEOSA, ZONA DE REACCION DE LECHO FLUIDIZADO EN LA QUE TAMBIEN ES ALIMENTADO HIDROGENO Y UNA COMPOSICION MONOMERICA GASEOSA QUE COMPRENDE UNA PROPORCION MAYOR DE ETILENO, BAJO CONDICIONES DE POLIMERIZACION INCLUYENDO UNA PROPORCION DE H{SUB,2}/C{SUB,2} DE AL MENOS 1,7 VECES QUE EN DICHA PRIMERA ZONA DE REACCION, PARA PRODUCIR UN POLIMERO DE PESO MOLECULAR BAJO (LMW) DEPOSITADO Y DENTRO DE LOS HUECOS DE LAS PARTICULAS DE POLIMERO/CATALIZADOR DE HMW, LA MEZCLA DE POLIMERO BIMODAL RESULTANTE OBTENIDA DE LA SEGUNDA ZONA DE REACCION TENIENDO UNA FRACCION DE POLIMERO DE HMW DE AL MENOS ALREDEDOR DE 0,35.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66505491A | 1991-03-06 | 1991-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2145357T3 true ES2145357T3 (es) | 2000-07-01 |
Family
ID=24668525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES96113388T Expired - Lifetime ES2145357T3 (es) | 1991-03-06 | 1992-02-24 | Polimeros de etileno bimodales producidos en reactores en tandem. |
Country Status (6)
| Country | Link |
|---|---|
| EP (2) | EP0503791B1 (es) |
| JP (1) | JP3335659B2 (es) |
| AU (1) | AU642076B2 (es) |
| CA (1) | CA2062098A1 (es) |
| DE (2) | DE69230919T2 (es) |
| ES (1) | ES2145357T3 (es) |
Families Citing this family (72)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5688865A (en) * | 1991-03-06 | 1997-11-18 | Mobil Oil Corporation | Process and system for preventing pressure tap fouling in tandem polymerization reactors |
| EP0533452A1 (en) * | 1991-03-21 | 1993-03-24 | Mobil Oil Corporation | Production of bimodal ethylene polymers in tandem reactors |
| ES2165354T3 (es) * | 1991-07-24 | 2002-03-16 | Exxonmobil Oil Corp | Resinas de polimero de etileno mejoradas para peliculas. |
| US5847053A (en) * | 1991-10-15 | 1998-12-08 | The Dow Chemical Company | Ethylene polymer film made from ethylene polymer blends |
| US5284613A (en) * | 1992-09-04 | 1994-02-08 | Mobil Oil Corporation | Producing blown film and blends from bimodal high density high molecular weight film resin using magnesium oxide-supported Ziegler catalyst |
| DE4241533C2 (de) * | 1992-12-10 | 1999-03-25 | Buna Sow Leuna Olefinverb Gmbh | Verfahren zur Herstellung von Polyethylen hoher Dichte |
| DE4241530C2 (de) * | 1992-12-10 | 1999-03-25 | Buna Sow Leuna Olefinverb Gmbh | Verfahren zur Herstellung von Polyethylen hoher Dichte |
| BE1006439A3 (fr) * | 1992-12-21 | 1994-08-30 | Solvay Societe Annonyme | Procede de preparation d'une composition de polymeres d'ethylene, composition de polymeres d'ethylene et son utilisation. |
| US5405901A (en) * | 1994-07-06 | 1995-04-11 | Union Carbide Chemicals & Plastics Technology Corporation | Process of producing ethylene polymer blends in gas phase |
| US5503914A (en) * | 1994-07-08 | 1996-04-02 | Union Carbide Chemicals & Plastics Technology Corporation | Film extruded from an in situ blend of ethylene copolymers |
| US5514455A (en) * | 1994-07-08 | 1996-05-07 | Union Carbide Chemicals & Plastics Technology Corporation | Film extruded from an in situ blend of ethylene copolymers |
| US5548042A (en) * | 1994-08-19 | 1996-08-20 | Union Carbide Chemical & Plastics Technology Corporation | Process for the production of polypropylene |
| US5589539A (en) * | 1994-11-23 | 1996-12-31 | Union Carbide Chemicals & Plastics Technology Corporation | Process for preparing an in situ polyethylene blend |
| CA2163465A1 (en) * | 1994-11-23 | 1996-05-24 | Arkalgud Venkatapathia Ramamurthy | In situ polyethylene blend |
| KR100269845B1 (ko) * | 1994-12-16 | 2000-10-16 | 미우라 아끼라 | 에틸렌 중합체(ethylene polymer) |
| IT1275573B (it) * | 1995-07-20 | 1997-08-07 | Spherilene Spa | Processo ed apparecchiatura per la pomimerizzazione in fase gas delle alfa-olefine |
| US5677375A (en) * | 1995-07-21 | 1997-10-14 | Union Carbide Chemicals & Plastics Technology Corporation | Process for producing an in situ polyethylene blend |
| SE9504539D0 (sv) | 1995-12-19 | 1995-12-19 | Borealis As | Procatalyst and process for the preparation of a multimodal ethylene homopolymer and/or ethylene/ 1-olefin copolymer by gas-phase polymerisation |
| US5665818A (en) * | 1996-03-05 | 1997-09-09 | Union Carbide Chemicals & Plastics Technology Corporation | High activity staged reactor process |
| US5696203A (en) * | 1996-07-19 | 1997-12-09 | Montell North America Inc. | Process for producing polyolefin grafted copolymers |
| US6319989B1 (en) | 1997-07-21 | 2001-11-20 | The Dow Chemical Company | Broad MWD, compositionally uniform ethylene interpolymer compositions, process for making the same and article made therefrom |
| ZA986434B (en) | 1997-07-21 | 2000-01-20 | Dow Chemical Co | Broad mwd, compositionally uniform ethylene interpolymer compositions, process for making the same and article made therefrom. |
| PL338511A1 (en) * | 1997-07-21 | 2000-11-06 | Dow Chemical Co | Composition of ethylene interpolymers characterised by wide-range distribution of molecular weights and homogenous chemical constitution as well as method of obtaining such composition and products based thereon |
| BE1011333A3 (fr) * | 1997-08-20 | 1999-07-06 | Solvay | Procede de fabrication d'une composition de polymeres d'ethylene. |
| FI980308A0 (fi) * | 1998-02-10 | 1998-02-10 | Borealis Polymers Oy | Polymerfilmer och foerfarande framstaellning daerav |
| ATE282052T1 (de) † | 1998-04-06 | 2004-11-15 | Borealis Tech Oy | Polyethylen-zusammensetzungen hoher dichte, ein verfahren zu deren herstellung sowie daraus hergestellte filme |
| US6184299B1 (en) * | 1999-03-31 | 2001-02-06 | Union Carbide Chemicals & Plastics Technology Corporation | Staged reactor process |
| US6187866B1 (en) * | 1999-06-04 | 2001-02-13 | Union Carbide Chemicals & Plastics Technology Corporation | Staged reactor process |
| GB9919718D0 (en) | 1999-08-19 | 1999-10-20 | Borealis As | Process |
| US6486270B1 (en) * | 2000-08-25 | 2002-11-26 | Equistar Chemicals, Lp | High molecular weight, medium density polyethylene |
| US6355733B1 (en) * | 2000-10-13 | 2002-03-12 | Equistar Chemicals, Lp | Polyethylene blends and films |
| DE60202780T2 (de) * | 2001-08-31 | 2005-06-30 | Dow Global Technologies, Inc., Midland | Multimodal polyethylenmaterial |
| EP1764390A1 (en) * | 2002-06-04 | 2007-03-21 | Union Carbide Chemicals & Plastics Technology Corporation | Polymer compositions and method of making pipes thereof |
| MXPA04012160A (es) | 2002-06-04 | 2005-04-19 | Union Carbide Chem Plastic | Composiciones de polimeros y metodo para elaborar tubos de los mismos. |
| TW200504093A (en) * | 2003-05-12 | 2005-02-01 | Dow Global Technologies Inc | Polymer composition and process to manufacture high molecular weight-high density polyethylene and film therefrom |
| CN100582125C (zh) * | 2003-08-20 | 2010-01-20 | 巴塞尔聚烯烃意大利有限责任公司 | 用于乙烯聚合的方法和装置 |
| WO2005058982A1 (en) | 2003-12-19 | 2005-06-30 | Basell Polyolefine Gmbh | Process for the (co)polymerization of ethylene |
| RU2358988C2 (ru) * | 2003-12-19 | 2009-06-20 | Базелль Полиолефине Гмбх | Способ (со)полимеризации этилена |
| PT1601703E (pt) * | 2004-02-13 | 2007-01-31 | Total Petrochemicals Res Feluy | Aplicação de catalisador na produção de poliolefinas bimodais |
| DE602005008203D1 (de) * | 2005-05-06 | 2008-08-28 | Borealis Tech Oy | Polyethylenharz mit enger Korngrössenverteilung |
| JP5016258B2 (ja) * | 2005-05-23 | 2012-09-05 | 日本ポリエチレン株式会社 | ポリエチレン樹脂・その製造方法並びにその樹脂を用いたパイプおよび継手 |
| EP1780225A1 (en) * | 2005-11-01 | 2007-05-02 | Borealis Technology Oy | Ziegler-Natta catalyst and its use to prepare multimodal polyolefin |
| JP2007284660A (ja) * | 2006-03-22 | 2007-11-01 | Asahi Kasei Chemicals Corp | ポリオレフィンの製造方法 |
| DE602007007931D1 (de) * | 2006-05-02 | 2010-09-02 | Dow Global Technologies Inc | Sehr dichte polyethylenzusammensetzungen, verfahren zu deren herstellung, draht- und kabelhüllen, die daraus hergestellt wurden und verfahren zur herstellung derartiger draht- und kabelhüllen |
| US7592395B2 (en) | 2006-08-01 | 2009-09-22 | Exxonmobil Chemical Patents Inc. | Multimodal polyethylene for use in single piece beverage bottle caps and closures |
| WO2008058839A2 (en) * | 2006-11-15 | 2008-05-22 | Basell Poliolefine Italia S.R.L. | Multistage process for the polymerization of olefins |
| CN101490163A (zh) | 2007-05-02 | 2009-07-22 | 陶氏环球技术公司 | 高密度聚乙烯组合物、其制备方法、由其制得的注塑制品以及该制品的制备方法 |
| US8138264B2 (en) * | 2007-05-04 | 2012-03-20 | Fina Technology, Inc. | Bimodal polyethylene resins that have high stiffness and high ESCR |
| KR101455968B1 (ko) * | 2007-09-19 | 2014-10-31 | 바셀 폴리올레핀 이탈리아 에스.알.엘 | 올레핀의 중합을 위한 다단계 방법 |
| EP2067799A1 (en) | 2007-12-05 | 2009-06-10 | Borealis Technology OY | Polymer |
| 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 |
| EP2130862A1 (en) | 2008-06-02 | 2009-12-09 | Borealis AG | Polymer compositions and pressure-resistant 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 |
| 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 |
| EP2182526A1 (en) | 2008-10-31 | 2010-05-05 | Borealis AG | Cable and polymer composition comprising an multimodal ethylene copolymer |
| CN102365325B (zh) | 2009-04-09 | 2015-04-22 | 北欧化工公司 | 热塑性聚烯烃组合物 |
| EP2256159A1 (en) | 2009-05-26 | 2010-12-01 | Borealis AG | Polymer composition for crosslinked pipes |
| ES2487517T3 (es) | 2009-05-26 | 2014-08-21 | Borealis Ag | Composición polimérica para artículos reticulados |
| 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 |
| WO2011058089A1 (en) | 2009-11-13 | 2011-05-19 | Borealis Ag | Process for producing a polymerization catalyst |
| US8501881B2 (en) | 2009-11-13 | 2013-08-06 | Borealis Ag | Process for olefin polymerization |
| RU2586977C2 (ru) | 2011-04-19 | 2016-06-10 | Базелль Полиолефине Гмбх | Новая полимерная композиция для применения в выдувном формовании |
| EP2744858B1 (en) | 2011-08-19 | 2017-03-01 | Borealis AG | Heterophasic system with improved surface properties |
| EP2818509A1 (en) * | 2013-06-25 | 2014-12-31 | Basell Polyolefine GmbH | Polyethylene composition for blow molding having high stress cracking resistance |
| CA3007770C (en) | 2015-12-10 | 2024-01-02 | Dow Global Technologies Llc | High modulus olefin compounds for fiber optic cable buffer tubes |
| CN111902467B (zh) | 2018-02-05 | 2022-11-11 | 埃克森美孚化学专利公司 | 通过添加超高分子量高密度聚乙烯增强的lldpe的加工性 |
| MX2023012866A (es) | 2021-05-19 | 2023-11-13 | Dow Global Technologies Llc | Composiciones de polietileno de alta densidad y articulos fabricados a partir de estas. |
| BR112023022369A2 (pt) | 2021-05-19 | 2023-12-26 | Dow Global Technologies Llc | Composições de polietileno de alta densidade e bimodal, e, artigo moldado |
| KR20230083820A (ko) | 2021-12-03 | 2023-06-12 | 에스케이이노베이션 주식회사 | 폴리올레핀 제조 장치 |
| CN121399174A (zh) | 2023-07-19 | 2026-01-23 | 巴塞尔聚烯烃意大利有限公司 | 用于烯烃聚合的多级工艺 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59179507A (ja) * | 1983-03-29 | 1984-10-12 | Toa Nenryo Kogyo Kk | エチレン共重合体の製造方法 |
| JPS59179508A (ja) * | 1983-03-29 | 1984-10-12 | Toa Nenryo Kogyo Kk | エチレン共重合体の製造法 |
| US5047468A (en) * | 1988-11-16 | 1991-09-10 | Union Carbide Chemicals And Plastics Technology Corporation | Process for the in situ blending of polymers |
| EP0533452A1 (en) * | 1991-03-21 | 1993-03-24 | Mobil Oil Corporation | Production of bimodal ethylene polymers in tandem reactors |
-
1992
- 1992-02-24 DE DE69230919T patent/DE69230919T2/de not_active Revoked
- 1992-02-24 DE DE69218995T patent/DE69218995T2/de not_active Expired - Fee Related
- 1992-02-24 EP EP92301513A patent/EP0503791B1/en not_active Expired - Lifetime
- 1992-02-24 EP EP96113388A patent/EP0778289B1/en not_active Revoked
- 1992-02-24 ES ES96113388T patent/ES2145357T3/es not_active Expired - Lifetime
- 1992-02-27 AU AU11256/92A patent/AU642076B2/en not_active Ceased
- 1992-02-28 CA CA002062098A patent/CA2062098A1/en not_active Abandoned
- 1992-03-06 JP JP04990892A patent/JP3335659B2/ja not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE69218995D1 (de) | 1997-05-22 |
| EP0503791A1 (en) | 1992-09-16 |
| DE69218995T2 (de) | 1997-10-16 |
| EP0778289B1 (en) | 2000-04-12 |
| EP0503791B1 (en) | 1997-04-16 |
| CA2062098A1 (en) | 1992-09-07 |
| JPH0586122A (ja) | 1993-04-06 |
| DE69230919T2 (de) | 2000-08-17 |
| JP3335659B2 (ja) | 2002-10-21 |
| DE69230919D1 (de) | 2000-05-18 |
| AU1125692A (en) | 1992-09-10 |
| AU642076B2 (en) | 1993-10-07 |
| EP0778289A1 (en) | 1997-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2145357T3 (es) | Polimeros de etileno bimodales producidos en reactores en tandem. | |
| ATE263196T1 (de) | Herstellung von polyäthylen mit einer breiten molekulargewichtsverteilung | |
| ATE58383T1 (de) | Einsatz von antistatika zur vermeidung von belagbildung bei der herstellung von ethylenpolymerisaten in gasphasenreakatoren. | |
| CA1164596A (en) | Process for multi-step gas-phase polymerization of olefins | |
| ATE375367T1 (de) | Herstellung von polyethylen mit breiter molekulargewichtsverteilung | |
| ATE97672T1 (de) | Vermeidung von farbigen verunreinigungen bei der herstellung von ultrahochmolekularen ethylenpolymerisaten mittels eines titan enthaltenden katalysatorsystems. | |
| NO307522B1 (no) | FremgangsmÕte for fremstilling av bimodale olefinpolymerer og slike polymerprodukter | |
| PL313493A1 (en) | Polymerisation of olefins in gaseous phase | |
| NO930910D0 (no) | Fremgangsmaate for gassfasepolymerisering av olefiner | |
| KR930021658A (ko) | 올레핀 중합용 촉매, 이의 제조방법 및 용도 | |
| DE58906250D1 (de) | Vermeidung von farbigen Verunreinigungen bei der Herstellung von ultrahochmolekularen Ethylenpolymerisaten mittels eines Titan enthaltenden Katalysatorsystems. | |
| MY112607A (en) | Process for preparing polyethylene | |
| KR940011493A (ko) | α-올레핀 중합체의 제조방법 | |
| ES8605542A1 (es) | Procedimiento para preparar poliolefinas | |
| KR930701491A (ko) | 올레핀의 기체상 중합 방법 | |
| WO1992015619A1 (en) | Process for preparing polyolefins having a bimodal molecular weight distribution | |
| MX9602864A (es) | Proceso para producir una mezcla de polietileno in situ. | |
| ES2163428T3 (es) | Procedimiento de produccion de polietileno que tiene una amplia distribucion de peso molecular. | |
| KR900007877A (ko) | 과량의 촉매잔류물을 분해하는 바나듐-함유 지글러 촉매시스템을 사용한 에틸렌 중합체의 제법, 및 상기 방법으로 제조된 에틸렌 중합체 | |
| EP0463406A3 (en) | Propylenpolymers with broad molecular weight distribution | |
| KR890701643A (ko) | 중합시 동일 반응계에서의 활성 메탈로센-알룸옥산 촉매의 제조방법 | |
| EP0232701A3 (en) | Use of anti-statics to prevent the formation of deposits during the manufacture of polyethylene of ultra-high molecular weight in a gas-phase reactor | |
| GB0217520D0 (en) | Product | |
| ATE44036T1 (de) | Herstellung koerniger stereoregulaerer 1-butenpolymere in einem fliessbett. | |
| ES2181060T3 (es) | Produccion de polietileno con una distribucion de peso molecular bimodal. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
Ref document number: 778289 Country of ref document: ES |