MX9605121A - Un proceso para preparar la mezcla de polietileno in situ. - Google Patents
Un proceso para preparar la mezcla de polietileno in situ.Info
- Publication number
- MX9605121A MX9605121A MX9605121A MX9605121A MX9605121A MX 9605121 A MX9605121 A MX 9605121A MX 9605121 A MX9605121 A MX 9605121A MX 9605121 A MX9605121 A MX 9605121A MX 9605121 A MX9605121 A MX 9605121A
- Authority
- MX
- Mexico
- Prior art keywords
- reactor
- series
- polyethylene blend
- preparing
- alpha
- 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
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
- C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
-
- 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
- C08F2410/05—Transitioning, i.e. transition from one catalyst to another with use of a deactivating agent
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
- C08F4/61912—Component covered by group C08F4/60 containing a transition metal-carbon bond in combination with an organoaluminium compound
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
- C08F4/61916—Component covered by group C08F4/60 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
-
- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
- C08F4/6192—Component covered by group C08F4/60 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Polymerisation Methods In General (AREA)
Abstract
Un proceso para la produccion de una mezcla de polietileno in situ que comprende poner en contacto por lo menos un sistema catalizador a base de metaloceno con una o más alfa-olefinas en cada uno de dos o más reactores conectados en serie, en la fase de gas, bajo condiciones de polimerizacion, con las condiciones de que: a) el etileno se introduce en cada reactor; b) opcionalmente, se introducen por lo menos un reactor, una alfa-olefina que tiene por lo menos 3 átomos de carbono o un dieno; c) la mezcla de la matriz del polímero de etileno y el catalizador formado en el primer reactor en la serie, es transferida hacia los reactores subsecuentes en la serie; y d) las condiciones de polimerizacion en cada reactor son tales que se forma un polímero de alto peso molecular en por lo menos un reactor y se forma un polímero de bajo peso molecular por lo menos en otro reactor.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US54859395A | 1995-10-26 | 1995-10-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9605121A true MX9605121A (es) | 1997-04-30 |
Family
ID=24189545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9605121A MX9605121A (es) | 1995-10-26 | 1996-10-25 | Un proceso para preparar la mezcla de polietileno in situ. |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0770629A3 (es) |
JP (1) | JPH09165406A (es) |
KR (1) | KR970021106A (es) |
AR (1) | AR004117A1 (es) |
AU (1) | AU7051596A (es) |
BR (1) | BR9605352A (es) |
CA (1) | CA2188722A1 (es) |
CZ (1) | CZ314596A3 (es) |
HU (1) | HUP9602981A3 (es) |
MX (1) | MX9605121A (es) |
PL (1) | PL316698A1 (es) |
SK (1) | SK138796A3 (es) |
TR (1) | TR199600853A2 (es) |
ZA (1) | ZA969023B (es) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2291106A1 (en) * | 1997-05-20 | 1998-11-26 | Sandra Ann Kupperblatt | A process for preparing an in situ polyethylene blend |
EP0881237A1 (en) * | 1997-05-26 | 1998-12-02 | Fina Research S.A. | Process to produce bimodal polyolefins with metallocene catalysts using two reaction zones |
GB9712663D0 (en) † | 1997-06-16 | 1997-08-20 | Borealis As | Process |
JP2001515114A (ja) * | 1997-08-15 | 2001-09-18 | ザ ダウ ケミカル カンパニー | 実質的に線状の均一なオレフィン重合体組成物から製造されるフィルム |
CA2247703C (en) * | 1998-09-22 | 2007-04-17 | Nova Chemicals Ltd. | Dual reactor ethylene polymerization process |
EP0989141A1 (en) * | 1998-09-25 | 2000-03-29 | Fina Research S.A. | Production of multimodal polyethelene |
AU1987600A (en) * | 1998-12-16 | 2000-07-03 | Borealis Technology Oy | Multistep process for preparing polyolefins having high melt strength |
US6258903B1 (en) | 1998-12-18 | 2001-07-10 | Univation Technologies | Mixed catalyst system |
US6369176B1 (en) * | 1999-08-19 | 2002-04-09 | Dupont Dow Elastomers Llc | Process for preparing in a single reactor polymer blends having a broad molecular weight distribution |
US6340730B1 (en) | 1999-12-06 | 2002-01-22 | Univation Technologies, Llc | Multiple catalyst system |
CN1271089C (zh) | 2000-12-18 | 2006-08-23 | 尤尼威蒂恩技术有限责任公司 | 多成分催化剂聚合体系的启动程序 |
US6884856B2 (en) | 2001-07-17 | 2005-04-26 | Bp Chemicals Limited | Polymerization control process |
AU2002334224A1 (en) | 2001-11-19 | 2003-06-10 | Bp Chemicals Limited | Polymerisation control process |
ATE332319T1 (de) * | 2004-02-13 | 2006-07-15 | Total Petrochemicals Res Feluy | Katalysatoreinsatz bei der herstellung von bimodalem polyolefin |
US7473745B2 (en) * | 2005-09-02 | 2009-01-06 | Equistar Chemicals, Lp | Preparation of multimodal polyethylene |
US8022154B2 (en) | 2008-11-06 | 2011-09-20 | Exxonmobil Chemical Patents Inc. | Ethylene polymers, their production and use |
WO2010137734A1 (ja) * | 2009-05-29 | 2010-12-02 | 住友化学株式会社 | エチレン-α-オレフィン共重合体、成形体、共重合用触媒およびエチレン-α-オレフィン共重合体の製造方法 |
ES2547867T3 (es) | 2009-06-29 | 2015-10-09 | Chevron Phillips Chemical Company Lp | El uso de catalizadores de eliminación de hidrógeno para controlar el peso molecular del polímero y los niveles de hidrógeno en un reactor de polimerización |
WO2011002497A1 (en) | 2009-06-29 | 2011-01-06 | Chevron Phillips Chemical Company Lp | Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates |
EP2580279B1 (en) * | 2010-06-14 | 2019-01-09 | Dow Global Technologies LLC | Ethylene-based polymer compositions for use as a blend component in shrinkage film applications |
US9353196B2 (en) | 2013-11-20 | 2016-05-31 | Equistar Chemicals, Lp | Bimodal polymerization process utilizing chromium/silica catalysts |
WO2016063205A2 (en) | 2014-10-21 | 2016-04-28 | Nova Chemicals (International) S.A. | Dilution index |
CA2868640C (en) | 2014-10-21 | 2021-10-26 | Nova Chemicals Corporation | Solution polymerization process |
US10329412B2 (en) | 2017-02-16 | 2019-06-25 | Nova Chemicals (International) S.A. | Caps and closures |
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 |
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 |
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 |
TW206240B (es) * | 1990-02-13 | 1993-05-21 | Mitsui Petroleum Chemicals Ind | |
US5076988A (en) | 1990-03-09 | 1991-12-31 | Union Carbide Chemicals And Plastics Technology Corporation | Process for the extrusion of low density polyethylene |
US5153382A (en) | 1991-04-18 | 1992-10-06 | Union Carbide Chemicals & Plastics Technology Corporation | Extrusion of thermoplastic copolymers |
US5436304A (en) | 1992-03-19 | 1995-07-25 | Exxon Chemical Patents Inc. | Process for polymerizing monomers in fluidized beds |
US5352749A (en) | 1992-03-19 | 1994-10-04 | Exxon Chemical Patents, Inc. | Process for polymerizing monomers in fluidized beds |
BE1005795A3 (fr) * | 1992-05-13 | 1994-02-01 | Solvay | Procede de polymerisation d'olefines et (co)polymeres a blocs derives d'au moins une olefine. |
JP3264333B2 (ja) * | 1992-05-28 | 2002-03-11 | 出光興産株式会社 | エチレン系重合体組成物の製造方法 |
US5317036A (en) | 1992-10-16 | 1994-05-31 | Union Carbide Chemicals & Plastics Technology Corporation | Gas phase polymerization reactions utilizing soluble unsupported catalysts |
SG55078A1 (en) * | 1993-09-17 | 1998-12-21 | Dow Chemical Co | Gas phase polymerization of olefins |
US5588790A (en) | 1993-11-01 | 1996-12-31 | Lichti Robert D | High speed storage system |
IT1273660B (it) * | 1994-07-20 | 1997-07-09 | Spherilene Srl | Procedimento per la preparazione di polimeri amorfi del propilene |
US5527752A (en) * | 1995-03-29 | 1996-06-18 | Union Carbide Chemicals & Plastics Technology Corporation | Catalysts for the production of polyolefins |
-
1996
- 1996-10-24 CA CA002188722A patent/CA2188722A1/en not_active Abandoned
- 1996-10-25 CZ CZ963145A patent/CZ314596A3/cs unknown
- 1996-10-25 JP JP8318460A patent/JPH09165406A/ja not_active Withdrawn
- 1996-10-25 AR ARP960104921A patent/AR004117A1/es unknown
- 1996-10-25 SK SK1387-96A patent/SK138796A3/sk unknown
- 1996-10-25 TR TR96/00853A patent/TR199600853A2/xx unknown
- 1996-10-25 EP EP96307752A patent/EP0770629A3/en not_active Withdrawn
- 1996-10-25 MX MX9605121A patent/MX9605121A/es unknown
- 1996-10-25 AU AU70515/96A patent/AU7051596A/en not_active Abandoned
- 1996-10-25 PL PL96316698A patent/PL316698A1/xx unknown
- 1996-10-25 ZA ZA969023A patent/ZA969023B/xx unknown
- 1996-10-26 KR KR1019960048766A patent/KR970021106A/ko not_active Application Discontinuation
- 1996-10-28 HU HU9602981A patent/HUP9602981A3/hu unknown
- 1996-10-29 BR BR9605352A patent/BR9605352A/pt not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
CZ314596A3 (en) | 1997-05-14 |
TR199600853A2 (tr) | 1997-05-21 |
EP0770629A3 (en) | 1998-02-25 |
BR9605352A (pt) | 1998-07-28 |
JPH09165406A (ja) | 1997-06-24 |
HUP9602981A3 (en) | 1998-07-28 |
SK138796A3 (en) | 1998-04-08 |
AR004117A1 (es) | 1998-09-30 |
AU7051596A (en) | 1997-05-01 |
ZA969023B (en) | 1997-05-29 |
KR970021106A (ko) | 1997-05-28 |
EP0770629A2 (en) | 1997-05-02 |
PL316698A1 (en) | 1997-04-28 |
HUP9602981A2 (en) | 1997-10-28 |
CA2188722A1 (en) | 1997-04-27 |
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