AR004117A1 - Un procedimiento para la produccion de una mezcla de polietileno in situ - Google Patents

Un procedimiento para la produccion de una mezcla de polietileno in situ

Info

Publication number
AR004117A1
AR004117A1 ARP960104921A ARP960104921A AR004117A1 AR 004117 A1 AR004117 A1 AR 004117A1 AR P960104921 A ARP960104921 A AR P960104921A AR P960104921 A ARP960104921 A AR P960104921A AR 004117 A1 AR004117 A1 AR 004117A1
Authority
AR
Argentina
Prior art keywords
reactor
production
series
procedure
polyethylene mixture
Prior art date
Application number
ARP960104921A
Other languages
English (en)
Original Assignee
Union Carbide Chem Plastic
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 filed Critical Union Carbide Chem Plastic
Publication of AR004117A1 publication Critical patent/AR004117A1/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 procedimiento para la producción de una mezcla de polietileno in situ que comprende poner en contacto por lo menos un sistema de catalizadores basadoen metaloceno con una o más alfa-olefinas en cada uno de dos o más reactores conectados en serie en la fase gaseosa, bajo condiciones de polimerización conla condición de que: (a) se introduzca etileno en cada reactor; (b) opcionalmente, se introduzca un alfa-olefina que tiene por lo menos 3 átomosde carbono o un dieno en por lomenos un reactor; (c) la mezcla de matriz de polímero de etileno y catalizador formada en el primer reactor en la serie seatransferida a los reactores subsiguientes en serie; y (d) las condiciones de polimerización en cada reactor sean tales que se forme un polímero de altopeso molecular en por lo menos un reactor y se forme un polímero de bajo peso molecular en por lo menos otro reactor.
ARP960104921A 1995-10-26 1996-10-25 Un procedimiento para la produccion de una mezcla de polietileno in situ AR004117A1 (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
AR004117A1 true AR004117A1 (es) 1998-09-30

Family

ID=24189545

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP960104921A AR004117A1 (es) 1995-10-26 1996-10-25 Un procedimiento para la produccion de una 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
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

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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
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
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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
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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
MX9605121A (es) 1997-04-30
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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