DE3574385D1 - Process for starting up the polymerisation of ethylene or copolymerisation of ethylene and at least one other alpha-olefin in the gas phase in the presence of a catalyst based on chromium oxide - Google Patents

Process for starting up the polymerisation of ethylene or copolymerisation of ethylene and at least one other alpha-olefin in the gas phase in the presence of a catalyst based on chromium oxide

Info

Publication number
DE3574385D1
DE3574385D1 DE8585307703T DE3574385T DE3574385D1 DE 3574385 D1 DE3574385 D1 DE 3574385D1 DE 8585307703 T DE8585307703 T DE 8585307703T DE 3574385 T DE3574385 T DE 3574385T DE 3574385 D1 DE3574385 D1 DE 3574385D1
Authority
DE
Germany
Prior art keywords
ethylene
copolymerisation
polymerisation
olefin
alpha
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8585307703T
Other languages
English (en)
Inventor
Daniel Claude Durand
Frederic Robert Marie Morterol
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BP Chemicals Ltd
Original Assignee
BP Chemicals Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9309055&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3574385(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BP Chemicals Ltd filed Critical BP Chemicals Ltd
Application granted granted Critical
Publication of DE3574385D1 publication Critical patent/DE3574385D1/de
Expired legal-status Critical Current

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
    • 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
    • Y10S526/901—Monomer polymerized in vapor state in presence of transition metal containing catalyst
    • 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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
DE8585307703T 1984-10-24 1985-10-24 Process for starting up the polymerisation of ethylene or copolymerisation of ethylene and at least one other alpha-olefin in the gas phase in the presence of a catalyst based on chromium oxide Expired DE3574385D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8416467A FR2572082B1 (fr) 1984-10-24 1984-10-24 Procede de demarrage de polymerisation d'ethylene ou de copolymerisation d'ethylene et d'alpha-olefine en phase gazeuse en presence de catalyseur a base d'oxyde de chrome

Publications (1)

Publication Number Publication Date
DE3574385D1 true DE3574385D1 (en) 1989-12-28

Family

ID=9309055

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585307703T Expired DE3574385D1 (en) 1984-10-24 1985-10-24 Process for starting up the polymerisation of ethylene or copolymerisation of ethylene and at least one other alpha-olefin in the gas phase in the presence of a catalyst based on chromium oxide

Country Status (8)

Country Link
US (1) US5075395A (de)
EP (1) EP0179666B1 (de)
JP (1) JPH0764892B2 (de)
CA (1) CA1265894A (de)
DE (1) DE3574385D1 (de)
FR (1) FR2572082B1 (de)
IN (1) IN166754B (de)
SG (1) SG40892G (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2570381B1 (fr) * 1984-09-17 1987-05-15 Bp Chimie Sa Procede de polymerisation d'ethylene ou de copolymerisation d'ethylene et d'alpha-olefine en lit fluidise en presence de catalyseur a base d'oxyde de chrome
US4735931A (en) * 1986-06-16 1988-04-05 Phillips Petroleum Company In situ comonomer generation in olefin polymerization
JPS6368606A (ja) * 1986-09-09 1988-03-28 Idemitsu Petrochem Co Ltd エチレン重合体の製造方法
JP2588555B2 (ja) * 1986-10-02 1997-03-05 ビーピー ケミカルズ リミテッド 粉末無機物質の存在下にガス相における一つ又はそれ以上の１―オレフィン類の重合方法
FR2609036B1 (fr) * 1986-12-29 1989-04-14 Bp Chimie Sa Polymerisation ou copolymerisation d'ethylene en phase gazeuse en presence d'un prepolymere comprenant un catalyseur d'oxyde de chrome
FI87575C (fi) * 1990-02-20 1993-01-25 Neste Oy Foerfarande foer framstaellning av en ziegler-natta katalysator, foerfarande foer framstaellning av polyolefin genom att anvaenda sig av denna katalysator samt produkter som framstaellts med detta foerfarande
FR2772384B1 (fr) 1997-12-16 2000-02-04 Bp Chemicals Snc Procede de demarrage d'une polymerisation d'olefine en phase gazeuse
US6114475A (en) * 1998-04-06 2000-09-05 Union Carbide Chemicals & Plastics Technology Corporation Reactor drying by addition of compound that lowers boiling point of water
DE60016176T2 (de) * 2000-05-10 2005-12-01 Repsol Quimica S.A. Verfahren zur Herstellung von bimodalem Polyethylen
US20100291334A1 (en) * 2002-12-27 2010-11-18 Univation Technologies, Llc Broad Molecular Weight Polyethylene Having Improved Properties
US6989344B2 (en) * 2002-12-27 2006-01-24 Univation Technologies, Llc Supported chromium oxide catalyst for the production of broad molecular weight polyethylene
US20040167015A1 (en) * 2003-02-26 2004-08-26 Cann Kevin J. Production of broad molecular weight polyethylene
DE102005019395A1 (de) * 2005-04-25 2006-10-26 Basell Polyolefine Gmbh Formmasse aus Polyethylen zur Folienherstellung und Verfahren zum Herstellen der Formmasse in Gegenwart eines Mischkatalysators
JP6018362B2 (ja) * 2008-02-27 2016-11-02 ユニベーション・テクノロジーズ・エルエルシー 修飾クロム系触媒およびそれを用いる重合方法
EP2358767B1 (de) * 2008-12-18 2013-02-20 Univation Technologies, LLC Verfahren zur saatbettbehandlung für einen polymerisationsreaktor
US20100326017A1 (en) * 2009-06-25 2010-12-30 Darla Kindel Protective Cover
US20110009577A1 (en) * 2009-07-09 2011-01-13 Union Carbide Chemicals & Plastics Technology Llc Enhanced condensed mode operation in method of producing polyofefins with chromium based catalysts
KR101465966B1 (ko) 2011-03-09 2014-11-28 에스케이텔레콤 주식회사 클라우드 환경에서의 데이터 암호화 처리 장치 및 방법
WO2016036737A1 (en) 2014-09-02 2016-03-10 Univation Technologies, Llc Polyolefin production with chromium-based catalysts
EP3188830B1 (de) 2014-09-02 2021-02-17 Univation Technologies, LLC Herstellung von polyolefinen mit chrombasierten katalysatoren
BR112017004081B1 (pt) 2014-09-02 2021-01-19 Univation Technologies, Llc método de operar um sistema de reator de poliolefina
BR112017010521B1 (pt) 2014-11-24 2021-11-30 Univation Technologies, Llc Composições catalisadoras à base de cromo para polimerização de olefina, método para fabricar uma composição catalisadora à base de cromo para a polimerização de olefinas e método de polimerização de olefinas
CA2967399C (en) 2014-11-24 2023-03-28 Univation Technologies, Llc Composition comprising particles
US10787526B2 (en) 2018-04-06 2020-09-29 Chevron Phillips Chemical Company Lp Method for startup of a gas phase polymerization reactor

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970135A (en) * 1957-01-17 1961-01-31 Phillips Petroleum Co Polymerization process using a solid catalyst dispersion medium
US3158594A (en) * 1959-11-20 1964-11-24 Grace W R & Co Polymer process and catalyst
NL7012509A (de) * 1969-08-25 1971-03-01
FR2207145B1 (de) * 1972-11-17 1975-09-12 Naphtachimie Sa
FR2312512A1 (fr) * 1975-05-27 1976-12-24 Naphtachimie Sa Procede de polymerisation des olefines en lit fluidise
MX150394A (es) * 1978-04-18 1984-04-30 Union Carbide Corp Metodo y aparato mejorados para la obtencion de polimeros solidos en particulas
US4295991A (en) * 1978-09-26 1981-10-20 Exxon Research & Engineering Co. Titanium trichloride catalyst component and the process for the production thereof
CA1142162A (en) * 1979-03-28 1983-03-01 Paul L. Eve Polymerisation process and products therefrom
US4376191A (en) * 1981-10-01 1983-03-08 Union Carbide Corporation Use of dialkylzinc compounds to initiate polymerization of ethylene with chromium oxide catalysts
FR2517313B1 (fr) * 1981-11-30 1985-12-06 Ato Chimie Procede de polymerisation en phase gazeuse faisant appel a la catalyse heterogene et reacteur spherique pour sa mise en oeuvre
US4564660A (en) * 1983-06-30 1986-01-14 Union Carbide Corporation Use of alkylaluminum compounds and hydroxyl-containing compounds to initiate polymerization of ethylene with chromium oxide catalysts
FR2570381B1 (fr) * 1984-09-17 1987-05-15 Bp Chimie Sa Procede de polymerisation d'ethylene ou de copolymerisation d'ethylene et d'alpha-olefine en lit fluidise en presence de catalyseur a base d'oxyde de chrome

Also Published As

Publication number Publication date
SG40892G (en) 1992-10-02
JPH0764892B2 (ja) 1995-07-12
JPS61123606A (ja) 1986-06-11
FR2572082A1 (fr) 1986-04-25
FR2572082B1 (fr) 1987-05-29
CA1265894A (en) 1990-02-13
EP0179666A1 (de) 1986-04-30
US5075395A (en) 1991-12-24
IN166754B (de) 1990-07-14
EP0179666B1 (de) 1989-11-23

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee