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
Application number
MX9605121A
Other languages
English (en)
Inventor
George Norris Foster
David Edward James
Frederick John Karol
Original Assignee
Union Carbide Chem Plastic
Corp
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 Union Carbide Chem Plastic, Corp filed Critical Union Carbide Chem Plastic
Publication of MX9605121A publication Critical patent/MX9605121A/es

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.
MX9605121A 1995-10-26 1996-10-25 Un proceso para preparar la mezcla de polietileno in situ. MX9605121A (es)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998052982A1 (en) * 1997-05-20 1998-11-26 Union Carbide Chemicals & Plastics Technology Corporation 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
TR200000397T2 (tr) * 1997-08-15 2000-06-21 The Dow Chemical Company Esas itibariyle türdeş olan doğrusal olefin polimeri bileşimlerinden üretilen filmler.
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
US6573343B1 (en) 1998-12-16 2003-06-03 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
WO2002050127A2 (en) 2000-12-18 2002-06-27 Univation Technologies, Llc Start-up procedure for multiple catalyst polymerization systems
ATE297418T1 (de) * 2001-07-17 2005-06-15 Bp Chem Int Ltd Verfahren zur polymerisationskontrolle
AU2002334224A1 (en) * 2001-11-19 2003-06-10 Bp Chemicals Limited Polymerisation control process
CN100447168C (zh) * 2004-02-13 2008-12-31 托塔尔石油化学产品研究弗吕公司 催化剂在双峰聚烯烃制备中的运用
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
DE112010002182T5 (de) * 2009-05-29 2012-07-26 Sumitomo Chemical Co., Ltd. Ethylen-α-Olefin-Copolymer, Formgegenstand, Katalysator für die Copolymerisation und Verfahren zur Herstellung eines Ethylen-α-Olefin Copolymers
US8207280B2 (en) 2009-06-29 2012-06-26 Chevron Phillips Chemical Company Lp Use of hydrogen scavenging catalysts to control polymer molecular weight and hydrogen levels in a polymerization reactor
EP2448978B1 (en) 2009-06-29 2016-05-18 Chevron Phillips Chemical Company LP Dual metallocene catalyst systems for decreasing melt index and increasing polymer production rates
KR20130089230A (ko) * 2010-06-14 2013-08-09 다우 글로벌 테크놀로지스 엘엘씨 수축 필름 용도에서 블렌드 성분으로서 사용하기 위한 에틸렌 기재 중합체 조성물
US9353196B2 (en) 2013-11-20 2016-05-31 Equistar Chemicals, Lp Bimodal polymerization process utilizing chromium/silica catalysts
CA2868640C (en) 2014-10-21 2021-10-26 Nova Chemicals Corporation Solution polymerization process
WO2016063205A2 (en) 2014-10-21 2016-04-28 Nova Chemicals (International) S.A. Dilution index
US10329412B2 (en) 2017-02-16 2019-06-25 Nova Chemicals (International) S.A. Caps and closures

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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
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Also Published As

Publication number Publication date
EP0770629A2 (en) 1997-05-02
ZA969023B (en) 1997-05-29
JPH09165406A (ja) 1997-06-24
HUP9602981A3 (en) 1998-07-28
EP0770629A3 (en) 1998-02-25
TR199600853A2 (tr) 1997-05-21
KR970021106A (ko) 1997-05-28
SK138796A3 (en) 1998-04-08
AU7051596A (en) 1997-05-01
PL316698A1 (en) 1997-04-28
AR004117A1 (es) 1998-09-30
HUP9602981A2 (en) 1997-10-28
BR9605352A (pt) 1998-07-28
CZ314596A3 (en) 1997-05-14
CA2188722A1 (en) 1997-04-27

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