DK136830C - - Google Patents

Info

Publication number
DK136830C
DK136830C DK352571A DK352571A DK136830C DK 136830 C DK136830 C DK 136830C DK 352571 A DK352571 A DK 352571A DK 352571 A DK352571 A DK 352571A DK 136830 C DK136830 C DK 136830C
Authority
DK
Denmark
Application number
DK352571A
Other versions
DK136830B (da
Inventor
R N Johnson
Original Assignee
Union Carbide Corporation
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 Corporation filed Critical Union Carbide Corporation
Publication of DK136830B publication Critical patent/DK136830B/da
Application granted granted Critical
Publication of DK136830C publication Critical patent/DK136830C/da

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
    • Y10S526/905—Polymerization in presence of transition metal containing catalyst in presence of hydrogen

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)
DK352571AA 1971-01-25 1971-07-16 Fremgangsmåde til polymerisation af ethylen alene eller sammen med en eller flere andre alfa-olefiner samt katalysator til brug ved fremgangsmåden. DK136830B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10916871A 1971-01-25 1971-01-25

Publications (2)

Publication Number Publication Date
DK136830B DK136830B (da) 1977-11-28
DK136830C true DK136830C (da) 1978-05-08

Family

ID=22326169

Family Applications (1)

Application Number Title Priority Date Filing Date
DK352571AA DK136830B (da) 1971-01-25 1971-07-16 Fremgangsmåde til polymerisation af ethylen alene eller sammen med en eller flere andre alfa-olefiner samt katalysator til brug ved fremgangsmåden.

Country Status (4)

Country Link
US (1) US3687920A (da)
DK (1) DK136830B (da)
FR (1) FR2124003A5 (da)
NO (1) NO138093C (da)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA995396A (en) * 1971-03-18 1976-08-17 Robert N. Johnson Catalyst modified with strong reducing agent and silane compounds and use in polymerization of olefins
US4239152A (en) * 1974-10-29 1980-12-16 Aisin Seiki Kabushiki Kaisha Temperature responsive valve assembly
US3939137A (en) * 1974-11-22 1976-02-17 Phillips Petroleum Company Silane adjuvant for chromium oxide catalyst
ES457293A1 (es) * 1976-03-30 1978-02-01 Union Carbide Corp Un procedimiento mejorado para preparar etileno solo o con una o mas alfaolefinas.
US4077904A (en) * 1976-06-29 1978-03-07 Union Carbide Corporation Olefin polymerization process and catalyst therefor
GB8919926D0 (en) * 1989-09-04 1989-10-18 Bp Chem Int Ltd Chromium-containing complex polymerisation catalyst
US5401816A (en) * 1993-09-27 1995-03-28 Phillips Petroleum Company Transition metal catalyst, method of preparing catalyst, polymerization process employing catalyst, and polymer produced
DE60017468T2 (de) 1999-06-24 2005-06-02 The Dow Chemical Co., Midland Polyolefinzusammensetzung mit verbesserten schlagzäheigenschaften
TW526209B (en) * 1999-10-21 2003-04-01 Asahi Chemical Ind Method for producing an olefin homopolymer or an olefin copolymer
ATE264750T1 (de) 2000-01-24 2004-05-15 Dow Global Technologies Inc Zusammensetzung und folien daraus
US6776924B2 (en) * 2000-05-04 2004-08-17 Dow Global Technologies Inc. Molecular melt and methods for making and using the molecular melt
CA2410483C (en) * 2000-05-26 2009-08-11 Dow Global Technologies Inc. Polyethylene rich/polypropylene blends and their uses
ES2234925T3 (es) 2000-12-22 2005-07-01 Dow Global Technologies, Inc. Espumas de copolimero de propileno.
US7335513B2 (en) * 2001-01-26 2008-02-26 Symyx Technologies, Inc. Apparatus and methods for parallel processing of multiple reaction mixtures
US6916892B2 (en) * 2001-12-03 2005-07-12 Fina Technology, Inc. Method for transitioning between Ziegler-Natta and metallocene catalysts in a bulk loop reactor for the production of polypropylene
ATE321791T1 (de) * 2002-10-09 2006-04-15 Exxonmobil Chem Patents Inc Verfahren zur verabreichung von katalysatoren für popylenpolymerisation
US6982304B2 (en) * 2003-12-22 2006-01-03 Union Carbide Chemicals & Plastics Technology Corporation Blow molding resins with improved ESCR
US7985811B2 (en) * 2004-01-02 2011-07-26 Univation Technologies, Llc Method for controlling sheeting in gas phase reactors
US20070073012A1 (en) * 2005-09-28 2007-03-29 Pannell Richard B Method for seed bed treatment before a polymerization reaction
US20050148742A1 (en) * 2004-01-02 2005-07-07 Hagerty Robert O. Method for controlling sheeting in gas phase reactors
DE102004054304A1 (de) * 2004-11-09 2006-05-11 Basell Polyolefine Gmbh Vorrichtung und Verfahren zur Gasphasenpolymerisation von Olefinen
US7629422B2 (en) 2004-12-21 2009-12-08 Univation Technologies, Llc Process for transitioning between Ziegler-Natta-based and chromium-based catalysts
US7053163B1 (en) 2005-02-22 2006-05-30 Fina Technology, Inc. Controlled comonomer distribution along a reactor for copolymer production
US7446167B2 (en) * 2006-04-13 2008-11-04 Fina Technology, Inc. Catalyst deactivation agents and methods for use of same
EP2121776B1 (en) * 2007-03-07 2012-12-12 Dow Global Technologies LLC Tethered supported transition metal complex
WO2015181151A1 (en) 2014-05-27 2015-12-03 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
WO2016102544A1 (en) 2014-12-22 2016-06-30 Sabic Global Technologies B.V. Recovery of hydrocarbons from a hydrocarbon recycle
EP3237459B1 (en) 2014-12-22 2019-01-30 SABIC Global Technologies B.V. Process for transitioning between incompatible catalysts
EP3237458B2 (en) 2014-12-22 2025-04-02 SABIC Global Technologies B.V. Process for transitioning between incompatible catalysts
EP3274374B1 (en) 2015-03-24 2018-10-24 SABIC Global Technologies B.V. Process for transitioning between incompatible catalysts
US10822433B2 (en) 2015-12-22 2020-11-03 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
WO2020056119A1 (en) 2018-09-14 2020-03-19 Fina Technology, Inc. Polyethylene and controlled rheology polypropylene polymer blends and methods of use
US20200263000A1 (en) 2019-02-20 2020-08-20 Fina Technology, Inc. Polymer Compositions with Low Warpage
WO2025078081A1 (en) 2023-10-09 2025-04-17 Sabic Global Technologies B.V. Process for transitioning between incompatible catalysts
WO2025250307A1 (en) 2024-05-30 2025-12-04 ExxonMobil Technology and Engineering Company Methods for improving gas phase polymerization

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE617798A (da) * 1961-05-17
SE370404B (da) * 1967-11-13 1974-10-14 Union Carbide Corp

Also Published As

Publication number Publication date
DK136830B (da) 1977-11-28
NO138093C (no) 1978-06-28
FR2124003A5 (da) 1972-09-15
US3687920A (en) 1972-08-29
NO138093B (no) 1978-03-20

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