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SG44496A1 - Catalyst and process for making bimodal polyolefins - Google Patents

Catalyst and process for making bimodal polyolefins

Info

Publication number
SG44496A1
SG44496A1 SG1996000973A SG1996000973A SG44496A1 SG 44496 A1 SG44496 A1 SG 44496A1 SG 1996000973 A SG1996000973 A SG 1996000973A SG 1996000973 A SG1996000973 A SG 1996000973A SG 44496 A1 SG44496 A1 SG 44496A1
Authority
SG
Singapore
Prior art keywords
catalyst
bimodal polyolefins
making bimodal
disclosed
chromium
Prior art date
Application number
SG1996000973A
Other languages
English (en)
Inventor
Elizabeth Ann Benham
Max Paul Mcdaniel
Original Assignee
Phillips Petroleum Co
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 Phillips Petroleum Co filed Critical Phillips Petroleum Co
Publication of SG44496A1 publication Critical patent/SG44496A1/en

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
    • 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
    • C08F4/68—Vanadium, niobium, tantalum or compounds thereof
    • 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
    • C08F210/02—Ethene
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/904—Monomer polymerized in presence of transition metal containing catalyst at least part of which is supported on a polymer, e.g. prepolymerized catalysts

Landscapes

  • 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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Catalysts (AREA)
SG1996000973A 1990-10-09 1991-10-08 Catalyst and process for making bimodal polyolefins SG44496A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/594,600 US5237025A (en) 1990-10-09 1990-10-09 Process for making bimodal polyolefins using two independent particulate catalysts

Publications (1)

Publication Number Publication Date
SG44496A1 true SG44496A1 (en) 1997-12-19

Family

ID=24379589

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996000973A SG44496A1 (en) 1990-10-09 1991-10-08 Catalyst and process for making bimodal polyolefins

Country Status (16)

Country Link
US (1) US5237025A (de)
EP (1) EP0480376B1 (de)
JP (1) JP2749732B2 (de)
KR (1) KR0168855B1 (de)
AT (1) ATE149530T1 (de)
CA (1) CA2043814C (de)
DE (1) DE69124907T2 (de)
DK (1) DK0480376T3 (de)
ES (1) ES2098296T3 (de)
HU (1) HU212046B (de)
MX (1) MX9101278A (de)
MY (1) MY107483A (de)
NO (1) NO179521C (de)
SG (1) SG44496A1 (de)
TW (1) TW224107B (de)
YU (1) YU47894B (de)

Families Citing this family (49)

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US5412001A (en) * 1993-08-30 1995-05-02 Quantum Chemical Corporation Method to reactor-fill polyolefins by formation of a dual catalyst system causing compatibilization of the filler with the maxtrix polymer
US5399622A (en) * 1993-11-17 1995-03-21 Phillips Petroleum Company System of chromium catalyst and yttrium catalyst, olefin polymerization process, and polymer
US5624877A (en) * 1994-02-25 1997-04-29 Phillips Petroleum Company Process for producing polyolefins
AU698111B2 (en) 1994-09-08 1998-10-22 Mobil Oil Corporation Catalytic control of the MWD of a broad/bimodal resin in a single reactor
US5714424A (en) * 1995-01-09 1998-02-03 W. R. Grace & Co.-Conn. Multi-component polyolefin catalysts
EP0849293A1 (de) 1996-12-20 1998-06-24 Fina Research S.A. Herstellung von Polyethylen mit bimodaler Molekulargewichtsverteilung
EP0849294A1 (de) 1996-12-20 1998-06-24 Fina Research S.A. Herstellung von Polyethylen mit breiter Molekulargewichtsverteilung
US7005485B2 (en) * 1998-12-18 2006-02-28 Chevron Phillips Chemical Company Lp Process for producing polyolefins
US6967230B2 (en) * 1998-12-18 2005-11-22 Chevron Phillips Chemical Company Lp Process for producing polyolefins
US6828268B1 (en) * 1999-11-05 2004-12-07 Phillips Petroleum Company Polymerization catalyst systems and processes using alkyl lithium compounds as a cocatalyst
ATE283294T1 (de) * 2000-05-10 2004-12-15 Repsol Quimica Sa Verfahren zur herstellung von bimodalem polyethylen
US6388017B1 (en) * 2000-05-24 2002-05-14 Phillips Petroleum Company Process for producing a polymer composition
US6462149B1 (en) 2000-09-22 2002-10-08 Union Carbide Chemicals & Plastics Technology Corporation Control of resin split in single-reactor manufacture of bimodal polyolefins
JP4837879B2 (ja) * 2001-01-16 2011-12-14 エクソンモービル・ケミカル・パテンツ・インク 混合触媒組成物による重合法
US7601783B2 (en) * 2004-04-07 2009-10-13 Dow Global Technologies, Inc. Method of controlling olefin polymerization
WO2005100417A1 (en) * 2004-04-13 2005-10-27 Union Carbide Chemicals & Plastics Technology Corporation Use of instantaneous split to improve reactor control
US7112643B2 (en) * 2004-04-22 2006-09-26 Chevron Phillips Chemical Company Lp Polymers having low levels of long chain branching and methods of making the same
CA2564483C (en) 2004-04-22 2011-09-13 Chevron Phillips Chemical Company Lp Methods of preparing active chromium/alumina catalysts via treatment with sulfate and polymers produced using the chromium/alumina catalysts
US7214642B2 (en) * 2004-04-22 2007-05-08 Chevron Phillips Chemical Company Lp Methods of preparing active chromium/alumina catalysts via treatment with sulfate
US7595364B2 (en) 2005-12-07 2009-09-29 Univation Technologies, Llc High density polyethylene
EP1803747A1 (de) 2005-12-30 2007-07-04 Borealis Technology Oy Oberflächemodifizierte Polymerisationskatalysatoren zur Herstellung von Polyolefinfilmen mit niedrigem Gelgehalt
US7381777B1 (en) 2007-02-26 2008-06-03 Exxonmobil Chemical Patents Inc. Method for controlling fouling in slurry-type polymerization reactors
US7754834B2 (en) * 2007-04-12 2010-07-13 Univation Technologies, Llc Bulk density promoting agents in a gas-phase polymerization process to achieve a bulk particle density
US7897539B2 (en) * 2007-05-16 2011-03-01 Chevron Phillips Chemical Company Lp Methods of preparing a polymerization catalyst
US8148481B2 (en) 2008-12-18 2012-04-03 Univation Technologies, Llc Method for seed bed treatment for a polymerization reaction
EP2391439A4 (de) 2009-01-29 2012-08-29 Grace W R & Co Katalysator auf silica-plattiertem aluminiumträger
US9365664B2 (en) 2009-01-29 2016-06-14 W. R. Grace & Co. -Conn. Catalyst on silica clad alumina support
MX2012000250A (es) 2009-06-29 2012-01-25 Chevron Philips Chemical Company Lp Sistemas catalizadores duales de metaloceno para disminuir el indice de fusion e incrementar las velocidades de produccion de polimero.
EP2448977B1 (de) 2009-06-29 2015-08-19 Chevron Phillips Chemical Company LP Verwendung von wasserstoffabsorptionskatalysatoren zur steuerung des molekulargewichts von polymer und der wasserstoffkonzentration in einem polymerisationsreaktor
US8399580B2 (en) 2010-08-11 2013-03-19 Chevron Philips Chemical Company Lp Additives to chromium catalyst mix tank
US8440772B2 (en) 2011-04-28 2013-05-14 Chevron Phillips Chemical Company Lp Methods for terminating olefin polymerizations
US8487053B2 (en) 2011-11-30 2013-07-16 Chevron Phillips Chemical Company Lp Methods for removing polymer skins from reactor walls
US8501882B2 (en) 2011-12-19 2013-08-06 Chevron Phillips Chemical Company Lp Use of hydrogen and an organozinc compound for polymerization and polymer property control
US8703883B2 (en) 2012-02-20 2014-04-22 Chevron Phillips Chemical Company Lp Systems and methods for real-time catalyst particle size control in a polymerization reactor
US10273315B2 (en) 2012-06-20 2019-04-30 Chevron Phillips Chemical Company Lp Methods for terminating olefin polymerizations
US8916494B2 (en) 2012-08-27 2014-12-23 Chevron Phillips Chemical Company Lp Vapor phase preparation of fluorided solid oxides
US8940842B2 (en) 2012-09-24 2015-01-27 Chevron Phillips Chemical Company Lp Methods for controlling dual catalyst olefin polymerizations
IN2015DN03815A (de) 2012-12-28 2015-10-02 Univation Tech Llc
BR112016022780B1 (pt) 2014-04-02 2021-08-17 Univation Technologies, Llc Composição de continuidade
ES2852023T3 (es) 2015-03-10 2021-09-10 Univation Tech Llc Composiciones de catalizador secadas por pulverización, métodos para su preparación y uso en procedimientos de polimerización de olefinas
EP3288984B1 (de) 2015-04-27 2023-08-09 Univation Technologies, LLC Geträgerte katalysatorzusammensetzungen mit verbesserten fliesseigenschaften und herstellung davon
US9708426B2 (en) 2015-06-01 2017-07-18 Chevron Phillips Chemical Company Lp Liquid-solid sampling system for a loop slurry reactor
US10005861B2 (en) 2016-06-09 2018-06-26 Chevron Phillips Chemical Company Lp Methods for increasing polymer production rates with halogenated hydrocarbon compounds
US20210205786A1 (en) * 2018-06-01 2021-07-08 Dow Global Technologies Llc Ziegler-natta catalyst system having a treated magnesium chloride component
US10774161B2 (en) 2019-01-31 2020-09-15 Chevron Phillips Chemical Company Lp Systems and methods for polyethylene recovery with low volatile content
US12077616B2 (en) 2021-12-15 2024-09-03 Chevron Phillips Chemical Company Lp Production of polyethylene and ethylene oligomers from ethanol and the use of biomass and waste streams as feedstocks to produce the ethanol
US11845814B2 (en) 2022-02-01 2023-12-19 Chevron Phillips Chemical Company Lp Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor
US20230331875A1 (en) 2022-04-19 2023-10-19 Chevron Phillips Chemical Company Lp Loop slurry periodogram control to prevent reactor fouling and reactor shutdowns
US20250066274A1 (en) 2023-08-22 2025-02-27 Chevron Phillips Chemical Company Lp Integrated processes utilizing water electrolysis and oxidative dehydrogenation of ethane

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622521A (en) * 1967-08-21 1971-11-23 Phillips Petroleum Co Olefin polymerization with chromium and titanium-containing compounds
DE2338888A1 (de) * 1973-08-01 1975-02-13 Veba Chemie Ag Verfahren zur herstellung von polyaethylen
US4041224A (en) * 1975-11-19 1977-08-09 Chemplex Company Catalyst, method and polymerization processes
IT1078995B (it) * 1977-05-24 1985-05-08 Montedison Spa Catalizzatori per la polimeriazzazione di olefine
CA1142162A (en) * 1979-03-28 1983-03-01 Paul L. Eve Polymerisation process and products therefrom
US4285834A (en) * 1979-12-31 1981-08-25 The Dow Chemical Company Dual, independently supported catalyst mixtures
US4325837A (en) * 1980-08-12 1982-04-20 Phillips Petroleum Company Catalyst, method of producing the catalyst, and polymerization process employing the catalyst
JPS57139102A (en) * 1981-02-05 1982-08-27 Dow Chemical Co Alpha-olefin polymerization and polymerization catalyst blend
US4562168A (en) * 1984-05-17 1985-12-31 Phillips Petroleum Company Catalyst and olefin polymerization
JPH0617403B2 (ja) * 1985-03-14 1994-03-09 チッソ株式会社 ポリオレフインの製造方法
JPH0725829B2 (ja) * 1986-03-07 1995-03-22 日本石油株式会社 エチレン重合体の製造方法
US5032651A (en) * 1990-05-29 1991-07-16 Phillips Petroleum Company Method for producing olefin polymer blends utilizing a chromium-zirconium dual catalyst system
CA2043904C (en) * 1990-10-09 1997-10-07 Kent E. Mitchell Olefin polymerization

Also Published As

Publication number Publication date
MY107483A (en) 1995-12-30
KR0168855B1 (ko) 1999-03-20
DE69124907T2 (de) 1997-06-19
EP0480376B1 (de) 1997-03-05
TW224107B (de) 1994-05-21
NO913947L (no) 1992-04-10
US5237025A (en) 1993-08-17
JPH04234408A (ja) 1992-08-24
CA2043814A1 (en) 1992-04-10
YU47894B (sh) 1996-05-20
MX9101278A (es) 1992-06-05
NO913947D0 (no) 1991-10-08
DK0480376T3 (da) 1997-04-07
JP2749732B2 (ja) 1998-05-13
DE69124907D1 (de) 1997-04-10
EP0480376A2 (de) 1992-04-15
HU212046B (en) 1996-01-29
HUT62919A (en) 1993-06-28
NO179521B (no) 1996-07-15
EP0480376A3 (en) 1992-05-27
YU164191A (sh) 1994-01-20
NO179521C (no) 1996-10-23
HU913178D0 (en) 1992-01-28
KR920008078A (ko) 1992-05-27
CA2043814C (en) 1998-11-24
ES2098296T3 (es) 1997-05-01
ATE149530T1 (de) 1997-03-15

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