GR3029597T3 - Process for preparing an in situ polyethylene blend - Google Patents
Process for preparing an in situ polyethylene blendInfo
- Publication number
- GR3029597T3 GR3029597T3 GR990400684T GR990400684T GR3029597T3 GR 3029597 T3 GR3029597 T3 GR 3029597T3 GR 990400684 T GR990400684 T GR 990400684T GR 990400684 T GR990400684 T GR 990400684T GR 3029597 T3 GR3029597 T3 GR 3029597T3
- Authority
- GR
- Greece
- Prior art keywords
- molecular weight
- weight polymer
- polyethylene blend
- preparing
- reactor
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polymerisation Methods In General (AREA)
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 |
---|---|
GR3029597T3 true GR3029597T3 (en) | 1999-06-30 |
Family
ID=23347947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR990400684T GR3029597T3 (en) | 1994-11-23 | 1999-03-05 | Process for preparing an in situ polyethylene blend |
Country Status (10)
Country | Link |
---|---|
US (1) | US5589539A (el) |
EP (1) | EP0713888B1 (el) |
JP (1) | JPH08208738A (el) |
AT (1) | ATE175980T1 (el) |
AU (1) | AU689334B2 (el) |
BR (1) | BR9505265A (el) |
CA (1) | CA2163467C (el) |
DE (1) | DE69507436T2 (el) |
ES (1) | ES2128001T3 (el) |
GR (1) | GR3029597T3 (el) |
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 |
EP0808854B1 (en) * | 1995-12-07 | 2001-10-10 | Japan Polyolefins Co., Ltd. | Polyethylene resin and pipe and pipe joint made by using the same |
CA2243852C (en) * | 1996-01-22 | 2006-11-07 | The Dow Chemical Company | Polyolefin elastomer blends exhibiting improved properties |
US5736237A (en) * | 1996-11-25 | 1998-04-07 | Union Carbide Chemicals & Plastics Technology Corporation | Geomembranes |
CA2291106A1 (en) * | 1997-05-20 | 1998-11-26 | Sandra Ann Kupperblatt | 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 |
WO2006014475A1 (en) | 2004-07-07 | 2006-02-09 | Dow Global Technologies Inc. | Multistage process for producing ethylene polymer compositions |
RU2377256C2 (ru) | 2004-08-09 | 2009-12-27 | Юнион Карбайд Кемикалз Энд Пластикс Текнолоджи Ллс | Твердый высушенный распылением прокатализатор циглера-натта и способ полимеризации, в котором он используется |
US20110166305A1 (en) * | 2004-08-09 | 2011-07-07 | Jorgensen Robert J | Robust Spray-Dried Ziegler-Natta Procatalyst and Polymerization Process Employing Same |
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. |
AU2005316788B2 (en) | 2004-12-17 | 2012-04-05 | Dow Global Technologies Llc | Rheology modified polyethylene compositions |
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 |
US20100261859A1 (en) * | 2007-12-20 | 2010-10-14 | Basell Poliolefine Italia S.R.L. | Catalyst components for the polymerization of olefins |
WO2009083522A1 (en) | 2007-12-28 | 2009-07-09 | Basell Poliolefine Italia S.R.L. | Catalyst components for the polymerization of olefins |
MX2010007298A (es) * | 2007-12-31 | 2010-09-30 | Dow Global Technologies Inc | Composiciones de polimeros basados en etileno, metodos para hacer las mismas y articulos preparados a partir de las mismas. |
BRPI0911944B1 (pt) | 2008-08-06 | 2019-08-13 | Union Carbide Chem Plastic | método para preparar um catalisador componente |
KR20130089166A (ko) * | 2010-07-06 | 2013-08-09 | 티코나 게엠베하 | 고 분자량 폴리에틸렌의 제조 방법 |
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 |
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 |
WO2022111966A1 (en) | 2020-11-27 | 2022-06-02 | 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 |
US5126398A (en) * | 1988-11-16 | 1992-06-30 | Union Carbide Chemicals & 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 |
US5047468A (en) * | 1988-11-16 | 1991-09-10 | Union Carbide Chemicals And 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 |
EP0503791B1 (en) * | 1991-03-06 | 1997-04-16 | Mobil Oil Corporation | Process for producing bimodal ethylene polymers 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 AU AU37995/95A patent/AU689334B2/en not_active Ceased
- 1995-11-22 DE DE69507436T patent/DE69507436T2/de not_active Expired - Lifetime
- 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 BR BR9505265A patent/BR9505265A/pt not_active Application Discontinuation
- 1995-11-22 AT AT95308394T patent/ATE175980T1/de active
- 1995-11-22 EP EP95308394A patent/EP0713888B1/en not_active Expired - Lifetime
- 1995-11-22 CA CA002163467A patent/CA2163467C/en not_active Expired - Fee Related
-
1999
- 1999-03-05 GR GR990400684T patent/GR3029597T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
US5589539A (en) | 1996-12-31 |
EP0713888B1 (en) | 1999-01-20 |
ATE175980T1 (de) | 1999-02-15 |
DE69507436D1 (de) | 1999-03-04 |
EP0713888A2 (en) | 1996-05-29 |
AU3799595A (en) | 1996-05-30 |
EP0713888A3 (el) | 1996-07-10 |
AU689334B2 (en) | 1998-03-26 |
CA2163467A1 (en) | 1996-05-24 |
ES2128001T3 (es) | 1999-05-01 |
JPH08208738A (ja) | 1996-08-13 |
CA2163467C (en) | 1999-04-13 |
DE69507436T2 (de) | 1999-06-24 |
BR9505265A (pt) | 1997-09-16 |
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