BR9505265A - Processos para a produção e para a preparação de uma combinação de polietileno em partículas in situ - Google Patents
Processos para a produção e para a preparação de uma combinação de polietileno em partículas in situInfo
- Publication number
- BR9505265A BR9505265A BR9505265A BR9505265A BR9505265A BR 9505265 A BR9505265 A BR 9505265A BR 9505265 A BR9505265 A BR 9505265A BR 9505265 A BR9505265 A BR 9505265A BR 9505265 A BR9505265 A BR 9505265A
- Authority
- BR
- Brazil
- Prior art keywords
- molecular weight
- weight polymer
- situ
- production
- processes
- Prior art date
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
- 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
- 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
-
- 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
- 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 more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/343,849 US5589539A (en) | 1994-11-23 | 1994-11-23 | Process for preparing an in situ polyethylene blend |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9505265A true BR9505265A (pt) | 1997-09-16 |
Family
ID=23347947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9505265A BR9505265A (pt) | 1994-11-23 | 1995-11-22 | Processos para a produção e para a preparação de uma combinação de polietileno em partículas in situ |
Country Status (10)
Country | Link |
---|---|
US (1) | US5589539A (pt) |
EP (1) | EP0713888B1 (pt) |
JP (1) | JPH08208738A (pt) |
AT (1) | ATE175980T1 (pt) |
AU (1) | AU689334B2 (pt) |
BR (1) | BR9505265A (pt) |
CA (1) | CA2163467C (pt) |
DE (1) | DE69507436T2 (pt) |
ES (1) | ES2128001T3 (pt) |
GR (1) | GR3029597T3 (pt) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030199450A1 (en) * | 2001-04-27 | 2003-10-23 | Chiron Corporation | Regulation of cytokine synthesis and release |
US5795941A (en) * | 1995-10-03 | 1998-08-18 | The Dow Chemical Company | Crosslinkable bimodal polyolefin compositions |
CN1096473C (zh) * | 1995-12-07 | 2002-12-18 | 日本聚烯烃株式会社 | 聚乙烯树脂及用其制作的管材和管件接头 |
PT876427E (pt) * | 1996-01-22 | 2003-01-31 | Dow Chemical Co | Misturas de elastomeros de poliolefinicos apresentando caracteristicas aperfeicoadas |
US5736237A (en) * | 1996-11-25 | 1998-04-07 | Union Carbide Chemicals & Plastics Technology Corporation | Geomembranes |
EP0983307A1 (en) * | 1997-05-20 | 2000-03-08 | Union Carbide Chemicals & Plastics Technology Corporation | A process for preparing an in situ polyethylene blend |
US6319998B1 (en) * | 1998-03-04 | 2001-11-20 | Exxon Mobil Chemical Patents Inc. | Method for making polymer blends by using series reactors |
US6486270B1 (en) * | 2000-08-25 | 2002-11-26 | Equistar Chemicals, Lp | High molecular weight, medium density polyethylene |
MY136330A (en) * | 2001-12-12 | 2008-09-30 | Basell Poliolefine Spa | Process for the polymerization of olefins |
US8202936B2 (en) | 2004-07-07 | 2012-06-19 | Dow Global Technologies Llc | Multistage process for producing ethylene polymer compositions |
ES2535821T3 (es) | 2004-08-09 | 2015-05-18 | Union Carbide Chemicals & Plastics Technology Llc | Procatalizador Ziegler-Natta secado por pulverización robusto y procedimiento de polimerización que utiliza el mismo |
JP2008509276A (ja) * | 2004-08-09 | 2008-03-27 | 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・コーポレイション | スプレー乾燥された頑丈なチーグラー・ナッタプロカタリスト、およびこれを用いた重合方法 |
JP5198872B2 (ja) | 2004-12-17 | 2013-05-15 | ダウ グローバル テクノロジーズ エルエルシー | レオロジー改変相対的高溶融強度ポリエチレン組成物並びにパイプ、フィルム、シート、およびブロー成型品の製造方法 |
ES2309445T3 (es) | 2004-12-17 | 2008-12-16 | Borealis Technology Oy | Proceso para la polimerizacion de olefinas en presencia de un catalizador de polimerizacion de las mismas. |
US20070010626A1 (en) * | 2005-07-11 | 2007-01-11 | Shankernarayanan Manivakkam J | Polyethylene compositions |
EP1785435A1 (en) * | 2005-11-09 | 2007-05-16 | Borealis Technology Oy | Method for Studying Catalyst Homogeneity |
JP2007284660A (ja) * | 2006-03-22 | 2007-11-01 | Asahi Kasei Chemicals Corp | ポリオレフィンの製造方法 |
US8080699B2 (en) * | 2009-08-28 | 2011-12-20 | Chemtura Corporation | Two-stage process and system for forming high viscosity polyalphaolefins |
EP2030994A1 (en) * | 2007-09-03 | 2009-03-04 | INEOS Manufacturing Belgium NV | Slurry phase polymerisation process |
EP2222719A2 (en) * | 2007-12-20 | 2010-09-01 | Basell Poliolefine Italia S.R.L. | Highly stereoregular polypropylene with improved properties |
EP2225287B1 (en) | 2007-12-28 | 2011-08-31 | Basell Poliolefine Italia S.r.l. | Catalyst components for the polymerization of olefins |
SG187414A1 (en) * | 2007-12-31 | 2013-02-28 | Dow Global Technologies Inc | Ethylene-based polymer compositions, methods of making the same, and articles prepared from the same |
EP2310424B1 (en) * | 2008-08-06 | 2016-09-21 | Union Carbide Chemicals & Plastics Technology LLC | Methods of making ziegler-natta catalyst compositions for producing polyethylenes with a high molecular weight tail |
JP2013529718A (ja) * | 2010-07-06 | 2013-07-22 | ティコナ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 高分子量ポリエチレンの製造方法 |
US9644049B2 (en) | 2010-12-31 | 2017-05-09 | Union Carbide Chemicals & Plastics Technology Llc | Polymers, method of producing the same, and articles made therefrom |
EP3241611B1 (en) | 2016-05-02 | 2020-03-04 | Borealis AG | A process for feeding a polymerisation catalyst |
EP3483189A1 (en) | 2017-11-14 | 2019-05-15 | Borealis AG | Automated method for terminating an olefin polymerization reaction under emergency conditions |
WO2019162760A1 (en) | 2018-02-05 | 2019-08-29 | Exxonmobil Chemical Patents Inc. A Corporation Of State Of Delaware | Enhanced processability of lldpe by addition of ultra-high molecular weight high density polyethylene |
US20240001317A1 (en) | 2020-11-27 | 2024-01-04 | Borealis Ag | Catalyst Feed System |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4302565A (en) | 1978-03-31 | 1981-11-24 | Union Carbide Corporation | Impregnated polymerization catalyst, process for preparing, and use for ethylene copolymerization |
US4293673A (en) | 1978-12-28 | 1981-10-06 | Union Carbide Corporation | Spheroidal polymerization catalyst, process for preparing, and use for ethylene polymerization |
US4684703A (en) | 1979-02-27 | 1987-08-04 | Union Carbide Corporation | Polymerization catalyst for ethylene homopolymerization |
US4482687A (en) | 1979-10-26 | 1984-11-13 | Union Carbide Corporation | Preparation of low-density ethylene copolymers in fluid bed reactor |
US4405495A (en) * | 1980-06-30 | 1983-09-20 | Union Carbide Corporation | Catalyst impregnated on fine silica, process for preparing, and use for ethylene polymerization |
US4354009A (en) | 1981-07-30 | 1982-10-12 | Union Carbide Corporation | Catalyst composition for copolymerizing ethylene |
US4814135A (en) | 1987-12-22 | 1989-03-21 | Union Carbide Corporation | Process for extrusion |
US4857600A (en) | 1988-05-23 | 1989-08-15 | Union Carbide Corporation | Process for grafting diacid anhydrides |
US5047468A (en) * | 1988-11-16 | 1991-09-10 | Union Carbide Chemicals And Plastics Technology Corporation | Process for the in situ blending of polymers |
US5149738A (en) * | 1988-11-16 | 1992-09-22 | Union Carbide Chemicals & Plastics Technology Corporation | Process for the in situ blending of polymers |
US5126398A (en) * | 1988-11-16 | 1992-06-30 | Union Carbide Chemicals & Plastics Technology Corporation | Process for the in situ blending of polymers |
US5076988A (en) | 1990-03-09 | 1991-12-31 | Union Carbide Chemicals And Plastics Technology Corporation | Process for the extrusion of low density polyethylene |
US5106926A (en) | 1990-12-11 | 1992-04-21 | Union Carbide Chemicals & Plastics Technology Corporation | Preparation of ethylene/1-octene copolymers of very low density in a fluidized bed reactor |
EP0778289B1 (en) * | 1991-03-06 | 2000-04-12 | Mobil Oil Corporation | Bimodal ethylene polymers produced in tandem reactors |
US5153382A (en) | 1991-04-18 | 1992-10-06 | Union Carbide Chemicals & Plastics Technology Corporation | Extrusion of thermoplastic copolymers |
IT1250731B (it) * | 1991-07-31 | 1995-04-21 | Himont Inc | Procedimento per la preparazione di polietilene lineare a bassa densita' |
JPH0565373A (ja) * | 1991-09-06 | 1993-03-19 | Nippon Petrochem Co Ltd | ポリエチレン組成物 |
FR2689133A1 (fr) * | 1992-03-27 | 1993-10-01 | Atochem Elf Sa | Catalyseur de polymérisation des oléfines, son procédé d'obtention. |
US5290745A (en) | 1992-08-10 | 1994-03-01 | Union Carbide Chemicals & Plastics Technology Corporation | Process for producing ethylene polymers having reduced hexane extractable content |
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 |
US5405901A (en) * | 1994-07-06 | 1995-04-11 | Union Carbide Chemicals & Plastics Technology Corporation | Process of producing ethylene polymer blends in gas phase |
-
1994
- 1994-11-23 US US08/343,849 patent/US5589539A/en not_active Expired - Lifetime
-
1995
- 1995-11-22 DE DE69507436T patent/DE69507436T2/de not_active Expired - Lifetime
- 1995-11-22 AU AU37995/95A patent/AU689334B2/en not_active Ceased
- 1995-11-22 CA CA002163467A patent/CA2163467C/en not_active Expired - Fee Related
- 1995-11-22 ES ES95308394T patent/ES2128001T3/es not_active Expired - Lifetime
- 1995-11-22 JP JP7326207A patent/JPH08208738A/ja active Pending
- 1995-11-22 EP EP95308394A patent/EP0713888B1/en not_active Expired - Lifetime
- 1995-11-22 BR BR9505265A patent/BR9505265A/pt not_active Application Discontinuation
- 1995-11-22 AT AT95308394T patent/ATE175980T1/de active
-
1999
- 1999-03-05 GR GR990400684T patent/GR3029597T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
DE69507436T2 (de) | 1999-06-24 |
EP0713888A2 (en) | 1996-05-29 |
ATE175980T1 (de) | 1999-02-15 |
US5589539A (en) | 1996-12-31 |
AU3799595A (en) | 1996-05-30 |
EP0713888A3 (pt) | 1996-07-10 |
JPH08208738A (ja) | 1996-08-13 |
DE69507436D1 (de) | 1999-03-04 |
GR3029597T3 (en) | 1999-06-30 |
CA2163467C (en) | 1999-04-13 |
CA2163467A1 (en) | 1996-05-24 |
ES2128001T3 (es) | 1999-05-01 |
EP0713888B1 (en) | 1999-01-20 |
AU689334B2 (en) | 1998-03-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR9505265A (pt) | Processos para a produção e para a preparação de uma combinação de polietileno em partículas in situ | |
MX9605121A (es) | Un proceso para preparar la mezcla de polietileno in situ. | |
CA2168883A1 (en) | Polymerization Catalysts, Their Production and Use | |
ES2163428T3 (es) | Procedimiento de produccion de polietileno que tiene una amplia distribucion de peso molecular. | |
CA2155236A1 (en) | Gas phase polymerization process | |
NO944525D0 (no) | Fremgangsmåte for fremstilling av olefinpolymerer og polymerprodukter fremstilt ved fremgangsmåten | |
CA2200428A1 (en) | Process and apparatus for the gas-phase polymerization of alpha-olefins | |
CA2199078A1 (en) | High activity staged reactor process | |
DE58906250D1 (de) | Vermeidung von farbigen Verunreinigungen bei der Herstellung von ultrahochmolekularen Ethylenpolymerisaten mittels eines Titan enthaltenden Katalysatorsystems. | |
EP0258167A3 (en) | Modifier for lithium catalysts | |
DE3766262D1 (de) | Einsatz von antistatika zur vermeidung von belagbildung bei der herstellung von ultrahochmolekularem polyethylen in gasphasenreaktoren. | |
CA2262735A1 (en) | Transfer of polymer particles between vapor phase polymerization reactors | |
CA2022669A1 (en) | Process for the preparation of polymers | |
AU566021B2 (en) | Production of ziegler ep block copolymers | |
MY113243A (en) | Process for preparing a ziegler-natta catalyst | |
MY108592A (en) | Ethylene polymers and process for manufacturing them in gas phase. | |
KR970706320A (ko) | 중합방법(polymerization process) | |
ES2102555T3 (es) | Solido catalitico utilizable para la polimerizacion estereoespecifica de alfa-olefinas, procedimiento para fabricarlo y procedimiento para polimerizar alfa-olefinas en su presencia. | |
JPS5632516A (en) | Production of propylene block copolymer | |
JPS57126805A (en) | Production of ethylene polymer having wide molecular weight distribution | |
JPS523677A (en) | Process for polymerization of alpha-olefins | |
Chang | Method for preparing polyethylene wax by gas phase polymerization | |
JPS5770109A (en) | Production of polyethylene | |
JPS54141893A (en) | Preparation of ethylene polymer | |
JPS5770108A (en) | Polymerization of ethylene |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FA8 | Dismissal: dismissal - article 36, par. 1 of industrial property law |