DE60016014T2 - Herstellung von polyethylenen - Google Patents

Herstellung von polyethylenen Download PDF

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Publication number
DE60016014T2
DE60016014T2 DE60016014T DE60016014T DE60016014T2 DE 60016014 T2 DE60016014 T2 DE 60016014T2 DE 60016014 T DE60016014 T DE 60016014T DE 60016014 T DE60016014 T DE 60016014T DE 60016014 T2 DE60016014 T2 DE 60016014T2
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DE
Germany
Prior art keywords
polymerization catalyst
hydrocarbon group
ring
hydrocarbyl
ethylene
Prior art date
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Expired - Lifetime
Application number
DE60016014T
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German (de)
English (en)
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DE60016014D1 (de
Inventor
Lin Wang
Maria Spinu
David Joel CITRON
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EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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Publication of DE60016014D1 publication Critical patent/DE60016014D1/de
Application granted granted Critical
Publication of DE60016014T2 publication Critical patent/DE60016014T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; 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
    • C08F4/60Metals; 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
    • C08F4/607Catalysts containing a specific non-metal or metal-free compound
    • C08F4/609Catalysts containing a specific non-metal or metal-free compound organic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02Ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02Ethene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; 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
    • C08F4/60Metals; 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
    • C08F4/619Component covered by group C08F4/60 containing a transition metal-carbon bond
    • C08F4/61904Component covered by group C08F4/60 containing a transition metal-carbon bond in combination with another component of C08F4/60
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0807Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
    • C08L23/0815Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms with aliphatic 1-olefins containing one carbon-to-carbon double bond
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; 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
    • C08F4/60Metals; 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
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; 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
    • C08F4/60Metals; 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
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65916Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • C08F4/42Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44Metals; 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
    • C08F4/60Metals; 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
    • C08F4/62Refractory metals or compounds thereof
    • C08F4/64Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592Component 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
    • C08F4/65922Component 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
    • C08F4/65927Component 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 two cyclopentadienyl rings being mutually bridged
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2314/00Polymer mixtures characterised by way of preparation
    • C08L2314/06Metallocene or single site catalysts

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE60016014T 1999-09-29 2000-09-28 Herstellung von polyethylenen Expired - Lifetime DE60016014T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US15658899P 1999-09-29 1999-09-29
US156588P 1999-09-29
PCT/US2000/026643 WO2001023443A1 (en) 1999-09-29 2000-09-28 Manufacture of polyethylenes

Publications (2)

Publication Number Publication Date
DE60016014D1 DE60016014D1 (de) 2004-12-23
DE60016014T2 true DE60016014T2 (de) 2005-11-24

Family

ID=22560194

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60016014T Expired - Lifetime DE60016014T2 (de) 1999-09-29 2000-09-28 Herstellung von polyethylenen

Country Status (11)

Country Link
US (3) US6555631B1 (enExample)
EP (1) EP1228110B1 (enExample)
JP (1) JP2003510427A (enExample)
KR (1) KR20020037364A (enExample)
CN (2) CN1377377A (enExample)
AT (1) ATE282645T1 (enExample)
AU (1) AU7726800A (enExample)
BR (2) BR0017587B1 (enExample)
CA (1) CA2379607A1 (enExample)
DE (1) DE60016014T2 (enExample)
WO (1) WO2001023443A1 (enExample)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6458979B1 (en) * 1999-04-29 2002-10-01 E. I. Du Pont De Nemours And Company Polymerization of ethylene
MXPA04006611A (es) * 2002-01-09 2004-10-04 Du Pont Catalizador para polimerizacion de olefinas.
US7081506B2 (en) * 2003-10-23 2006-07-25 Fina Technology, Inc. Ethylene polymerization employing bis-imino pyridinyl transition metal catalyst components
US7410926B2 (en) * 2003-12-30 2008-08-12 Univation Technologies, Llc Polymerization process using a supported, treated catalyst system
DE102004020524A1 (de) * 2004-04-26 2005-11-10 Basell Polyolefine Gmbh Polyethylen und Katalysatorzusammensetzung zu dessen Herstellung
DE102004020525A1 (de) * 2004-04-26 2005-11-10 Basell Polyolefine Gmbh Katalysatorsystem zur Olefinpolymerisation, dessen Herstellung und Verwendung
EP1773895B1 (en) * 2004-07-09 2011-12-28 E.I. Du Pont De Nemours And Company Catalysts for olefin polymerization or oligomerization
EP1650231A1 (en) * 2004-10-21 2006-04-26 Total Petrochemicals Research Feluy Polyolefins prepared from a metallocene and a new single site catalyst components in a single reactor
US20070010626A1 (en) * 2005-07-11 2007-01-11 Shankernarayanan Manivakkam J Polyethylene compositions
US7271121B2 (en) 2005-07-21 2007-09-18 Chevron Phillips Chemical Company Lp Diimine metal complexes, methods of synthesis, and methods of using in oligomerization and polymerization
US7268096B2 (en) 2005-07-21 2007-09-11 Chevron Phillips Chemical Company Lp Diimine metal complexes, methods of synthesis, and methods of using in oligomerization and polymerization
US7727926B2 (en) 2005-07-21 2010-06-01 Chevron Phillips Chemical Company Lp Diimine metal complexes, methods of synthesis, and method of using in oligomerization and polymerization
US20070255026A1 (en) * 2006-04-28 2007-11-01 Fina Technology, Inc. Process for polyolefin production using fluorinated transition metal catalysts having a low pH
US8202958B2 (en) 2008-03-13 2012-06-19 Dow Global Technologies Llc Long chain branched (LCB), block or interconnected copolymers of ethylene in combination with one other polymer
US8633287B2 (en) * 2009-08-17 2014-01-21 E I Du Pont De Nemours And Company Olefin polymerization process
US8618228B2 (en) * 2010-01-21 2013-12-31 Basell Polyolefine Gmbh Process for the preparation of ethylene copolymer compositions in the presence of an oligomerization catalyst
WO2011126788A1 (en) 2010-03-29 2011-10-13 E. I. Du Pont De Nemours And Company Lubricant component
JP2012224842A (ja) * 2011-03-30 2012-11-15 Sumitomo Chemical Co Ltd エチレン系重合体製造用触媒およびエチレン系重合体の製造方法
US9586872B2 (en) 2011-12-30 2017-03-07 Chevron Phillips Chemical Company Lp Olefin oligomerization methods
BR112014027792B1 (pt) 2012-05-09 2020-03-24 Sasol Technology (Pty) Ltd Tetramerização de etileno
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
US9944661B2 (en) 2016-08-09 2018-04-17 Chevron Phillips Chemical Company Lp Olefin hydroboration
US10329412B2 (en) 2017-02-16 2019-06-25 Nova Chemicals (International) S.A. Caps and closures
US10442921B2 (en) 2017-04-19 2019-10-15 Nova Chemicals (International) S.A. Means for increasing the molecular weight and decreasing the density employing mixed homogeneous catalyst formulations
US10442920B2 (en) 2017-04-19 2019-10-15 Nova Chemicals (International) S.A. Means for increasing the molecular weight and decreasing the density of ethylene interpolymers employing homogeneous and heterogeneous catalyst formulations
US10683376B2 (en) 2017-11-07 2020-06-16 Nova Chemicals (International) S.A. Manufacturing ethylene interpolymer products at higher production rate
US10995166B2 (en) 2017-11-07 2021-05-04 Nova Chemicals (International) S.A. Ethylene interpolymer products and films
JP7050544B2 (ja) * 2018-03-27 2022-04-08 Eneos株式会社 ワックス異性化油の製造方法
US10882987B2 (en) 2019-01-09 2021-01-05 Nova Chemicals (International) S.A. Ethylene interpolymer products having intermediate branching
US11046843B2 (en) 2019-07-29 2021-06-29 Nova Chemicals (International) S.A. Ethylene copolymers and films with excellent sealing properties

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937299A (en) * 1983-06-06 1990-06-26 Exxon Research & Engineering Company Process and catalyst for producing reactor blend polyolefins
DE3621763A1 (de) 1986-06-28 1988-01-21 Bayer Ag Verfahren zur herstellung von verzweigtem niederdruckpolyethen, neue niederdruckpolyethene und praeformierte bifunktionelle katalysatoren
FI85588C (fi) 1989-06-05 1992-05-11 Neste Oy Foerfarande foer reglering av molekylviktsfoerdelningen och molekylvikten av oligomerisations- eller polymerisationsprodukter av eten.
US5071927A (en) 1990-10-09 1991-12-10 Phillips Petroleum Company High-temperature slurry polymerization of ethylene
US5137994A (en) 1991-05-23 1992-08-11 Union Carbide Chemicals & Plastics Technology Corporation Process for the simultaneous trimerization and copolymerization of ethylene
ATE132168T1 (de) * 1991-05-27 1996-01-15 Hoechst Ag Verfahren zur herstellung von syndiotaktischen polyolefinen mit breiter molmassenverteilung
DE69426936T3 (de) * 1993-10-21 2006-07-27 Exxonmobil Oil Corp. Polyolefinmischungen aus bimodaler molekulargewichstverteilung
JPH09143228A (ja) 1995-11-22 1997-06-03 Sumitomo Chem Co Ltd エチレン−α−オレフィン共重合体の製造方法
JPH09309926A (ja) * 1996-05-17 1997-12-02 Dow Chem Co:The エチレン共重合体の製造方法
WO1997048735A1 (en) 1996-06-17 1997-12-24 Exxon Chemical Patents Inc. Mixed transition metal catalyst systems for olefin polymerization
US5753785A (en) 1996-12-16 1998-05-19 Fina Technology, Inc. Production of E-B copolymers with a single metallocene catalyst and a single monomer
IL129929A0 (en) * 1996-12-17 2000-02-29 Du Pont Polymerization of ethylene with specific iron or cobalt complexes novel pyridinebis (imines) and novel complexes of pyridinebis(imines) with iron and cobalt
US6214761B1 (en) * 1996-12-17 2001-04-10 E. I. Du Pont De Nemours And Company Iron catalyst for the polymerization of olefins
US6177377B1 (en) * 1996-12-18 2001-01-23 Amherst Polymer Technology, Inc. Polymer blends and process for preparation
DE19707236A1 (de) * 1997-02-24 1998-08-27 Targor Gmbh Katalysatorzusammensetzung
US6103946A (en) * 1997-07-15 2000-08-15 E. I. Du Pont De Nemours And Company Manufacture of α-olefins
US6114483A (en) * 1997-08-27 2000-09-05 E. I. Du Pont De Nemours And Company Polymerization of olefins
CN1198855C (zh) * 1998-03-30 2005-04-27 纳幕尔杜邦公司 烯烃聚合
DE69912599T2 (de) * 1998-05-29 2004-09-23 E.I. Du Pont De Nemours And Co., Wilmington Copolymerisation von olefine
GB9819847D0 (en) * 1998-09-12 1998-11-04 Bp Chem Int Ltd Novel compounds

Also Published As

Publication number Publication date
JP2003510427A (ja) 2003-03-18
US6555631B1 (en) 2003-04-29
EP1228110A1 (en) 2002-08-07
KR20020037364A (ko) 2002-05-18
US20040048989A1 (en) 2004-03-11
US6921795B2 (en) 2005-07-26
DE60016014D1 (de) 2004-12-23
ATE282645T1 (de) 2004-12-15
WO2001023443A1 (en) 2001-04-05
CN1939934B (zh) 2010-09-01
EP1228110B1 (en) 2004-11-17
BR0014639B1 (pt) 2011-02-22
BR0014639A (pt) 2002-06-11
CN1939934A (zh) 2007-04-04
BR0017587B1 (pt) 2013-07-16
US20030149182A1 (en) 2003-08-07
CA2379607A1 (en) 2001-04-05
AU7726800A (en) 2001-04-30
CN1377377A (zh) 2002-10-30

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