ZA951296B - Process for the gas phase polymerization of alpha-olefins - Google Patents

Process for the gas phase polymerization of alpha-olefins

Info

Publication number
ZA951296B
ZA951296B ZA951296A ZA951296A ZA951296B ZA 951296 B ZA951296 B ZA 951296B ZA 951296 A ZA951296 A ZA 951296A ZA 951296 A ZA951296 A ZA 951296A ZA 951296 B ZA951296 B ZA 951296B
Authority
ZA
South Africa
Prior art keywords
pct
olefins
alpha
gas phase
phase polymerization
Prior art date
Application number
ZA951296A
Other languages
English (en)
Inventor
Gabriele Gonovi
Roberto Rinaldi
Giuseppe Penzo
Original Assignee
Spherilene Srl
Himont Inc
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 Spherilene Srl, Himont Inc filed Critical Spherilene Srl
Publication of ZA951296B publication Critical patent/ZA951296B/xx

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/0015—Feeding of the particles in the reactor; Evacuation of the particles out of the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/001—Multistage polymerisation processes characterised by a change in reactor conditions without deactivating the intermediate 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
    • C08F2/00—Processes of polymerisation
    • C08F2/34—Polymerisation in gaseous state
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA951296A 1994-02-21 1995-02-16 Process for the gas phase polymerization of alpha-olefins ZA951296B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI940305A IT1274016B (it) 1994-02-21 1994-02-21 Processo per la polimerizzazione in fase gas delle a-olefine

Publications (1)

Publication Number Publication Date
ZA951296B true ZA951296B (en) 1995-12-05

Family

ID=11367920

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA951296A ZA951296B (en) 1994-02-21 1995-02-16 Process for the gas phase polymerization of alpha-olefins

Country Status (27)

Country Link
US (1) US5610244A (de)
EP (1) EP0695313B1 (de)
JP (1) JPH09501733A (de)
KR (1) KR100337049B1 (de)
CN (1) CN1068337C (de)
AT (1) ATE162807T1 (de)
AU (1) AU684140B2 (de)
BR (1) BR9505777A (de)
CZ (1) CZ288806B6 (de)
DE (1) DE69501526T2 (de)
DK (1) DK0695313T3 (de)
EG (1) EG21081A (de)
ES (1) ES2113736T3 (de)
FI (1) FI114316B (de)
HU (1) HU213183B (de)
IL (1) IL112690A (de)
IT (1) IT1274016B (de)
MY (1) MY114867A (de)
NO (1) NO308170B1 (de)
PL (1) PL179285B1 (de)
RO (1) RO115166B1 (de)
RU (1) RU2142471C1 (de)
SK (1) SK280746B6 (de)
TR (1) TR28465A (de)
UA (1) UA37231C2 (de)
WO (1) WO1995022565A1 (de)
ZA (1) ZA951296B (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19653079A1 (de) * 1996-12-19 1998-06-25 Basf Ag Verfahren zur Gasphasenpolymerisation von C¶2¶-C¶8¶-Alk-1-enen mittels Ziegler -Natta- oder Metallocen-Katalysatorsystemen
ATE222933T1 (de) * 1997-06-05 2002-09-15 Polypropylene Belgium Nv Kontinuierliches verfahren zur herstellung von propylenpolymeren
ES2232127T3 (es) 1998-03-23 2005-05-16 Basell Poliolefine Italia S.P.A. Componentes cataliticos prepolimerizados para la polimerizacion de olefinas.
US6977283B1 (en) 1998-04-07 2005-12-20 Exxonmobil Chemical Patents Inc. Polymerization process
US7354880B2 (en) * 1998-07-10 2008-04-08 Univation Technologies, Llc Catalyst composition and methods for its preparation and use in a polymerization process
IT1301990B1 (it) 1998-08-03 2000-07-20 Licio Zambon Catalizzatori per la polimerizzazione delle olefine.
US6429270B2 (en) 1998-09-14 2002-08-06 Union Carbide Chemicals & Plastics Technology Corporation Process for preparing olefin polymerization catalyst mixture
CA2352098C (en) * 1998-11-30 2009-09-29 Bp Chemicals Limited Polymerisation control process
EP1020481A1 (de) * 1999-01-18 2000-07-19 Fina Research S.A. Herstellung von Polyethylen
EP1083192A1 (de) * 1999-09-10 2001-03-14 Union Carbide Chemicals & Plastics Technology Corporation Verfahren zur Zugabe von flüssigen Comonomeren zu einer Polymerisation, ausgeführt in einem Fliessbettreaktor
BR0106426B1 (pt) 2000-05-12 2011-02-22 componente catalìtico pré-polimerizado para a polimerização de etileno, bem como referido processo para a (co)polimerização de etileno.
US6593267B2 (en) 2000-12-18 2003-07-15 Univation Technologies, Llc Method for preparing a supported catalyst system and its use in a polymerization process
US6933258B2 (en) * 2000-12-19 2005-08-23 Univation Technologies, L.L.C. Catalyst composition and methods for its preparation and use in a polymerization process
AU2002323878A1 (en) * 2002-06-25 2004-01-06 Borealis Technology Oy Polyolefin with improved scratch resistance and process for producing the same
EP1611169B1 (de) * 2003-03-21 2010-06-02 Dow Global Technologies Inc. Verfahren zur herstellung von polyolefinen mit kontrollierter morphologie
US7122606B2 (en) 2003-07-04 2006-10-17 Basell Polyolefine Gmbh Olefin polymerization process
CN1856516B (zh) * 2003-09-23 2010-07-07 陶氏环球技术公司 用于乙烯聚合的催化剂组合物
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
BRPI0516272B1 (pt) * 2004-10-14 2016-05-17 Basell Poliolefine Srl processo para a polimerização em fase gasosa de olefinas
US7253239B2 (en) * 2004-10-29 2007-08-07 Westlake Longview Corporation Method for preventing or inhibiting fouling in a gas-phase polyolefin polymerization process
RU2467020C2 (ru) * 2006-10-31 2012-11-20 Басф Се Регулирование в способе получения абсорбирующих воду полимерных частиц в нагретой газовой фазе
US8420733B2 (en) * 2007-08-16 2013-04-16 Univation Technologies, Llc Continuity additives and their use in polymerization processes
RU2475501C2 (ru) * 2007-09-19 2013-02-20 Базелль Полиолефин Италия С.Р.Л. Многостадийный способ полимеризации олефинов
EP2231724B1 (de) * 2007-12-18 2011-08-10 Basell Polyolefine GmbH Gasphasenverfahren zur polymerisation von alpha-olefinen
EP2172262A1 (de) * 2008-10-03 2010-04-07 Ineos Europe Limited Verfahren
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
EP2376540B1 (de) 2009-01-08 2013-04-03 Univation Technologies, LLC Zusatzstoff für polyolefinpolymerisierungsverfahren
CN102030841B (zh) * 2009-09-29 2012-07-04 中国石油化工股份有限公司 一种丙烯气相聚合方法
US8703884B2 (en) 2010-12-22 2014-04-22 Univation Technologies, Llc Additive for polyolefin polymerization processes
HUE052511T2 (hu) * 2011-03-02 2021-05-28 Borealis Ag Eljárás polimerek elõállítására
EP2610269A1 (de) 2011-12-28 2013-07-03 Saudi Basic Industries Corporation Katalysatorzusammensetzung und Herstellungsverfahren dafür
CN105934447B (zh) * 2013-11-29 2019-02-01 沙特基础工业公司 用于在反应器中的烯烃单体的连续聚合的方法
US9975968B2 (en) * 2013-11-29 2018-05-22 Sabic Global Technologies B.V. Process for continuous polymerization of olefin monomers in a reactor
WO2015088624A1 (en) 2013-12-09 2015-06-18 Univation Technologies, Llc Feeding polymerization additives to polymerization processes
US10179826B2 (en) * 2017-05-05 2019-01-15 Chevron Phillips Chemical Company Lp Polymerization catalyst delivery
CN113698513B (zh) * 2020-05-21 2023-09-15 中国石油化工股份有限公司 一种催化剂的配制方法及其应用
KR102513518B1 (ko) 2020-12-23 2023-03-22 디엘케미칼 주식회사 메탈로센 올레핀 중합 공정용 대전방지제를 이용한 올레핀 중합 방법

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US370985A (en) * 1887-10-04 stimpsof
US3709853A (en) * 1971-04-29 1973-01-09 Union Carbide Corp Polymerization of ethylene using supported bis-(cyclopentadienyl)chromium(ii)catalysts
US5034479A (en) * 1987-10-22 1991-07-23 Union Carbide Chemicals And Plastics Technology Corporation Process for reducing sheeting during polymerization of alpha-olefins
EP0313087B2 (de) * 1987-10-22 1995-01-04 Union Carbide Corporation Verfahren zum Vermindern des Zusammenbackens während einer Alpha-Olefinpolymerisation
FR2659338B1 (fr) * 1990-03-09 1993-05-07 Bp Chemicals Snc Procedes et dispositifs de polymerisation catalytique d'alpha-olefines en phase gazeuse.
US5187247A (en) * 1990-06-26 1993-02-16 Union Carbide Chemicals & Plastics Technology Corporation Process for making elastomeric ethylene-alpha-olefin polymers with stage-modified vanadium catalyst
TW203062B (de) * 1990-11-15 1993-04-01 Sumitomo Chemical Co
IT1254279B (it) * 1992-03-13 1995-09-14 Montecatini Tecnologie Srl Procedimento per la polimerizzazione in fase gas delle olefine

Also Published As

Publication number Publication date
SK280746B6 (sk) 2000-07-11
DK0695313T3 (da) 1998-03-02
EP0695313A1 (de) 1996-02-07
ITMI940305A0 (it) 1994-02-21
EG21081A (en) 2000-10-31
CZ288806B6 (cs) 2001-09-12
PL311224A1 (en) 1996-02-05
ATE162807T1 (de) 1998-02-15
AU684140B2 (en) 1997-12-04
EP0695313B1 (de) 1998-01-28
RO115166B1 (ro) 1999-11-30
HU9503320D0 (en) 1996-01-29
TR28465A (tr) 1996-07-04
IL112690A (en) 1999-09-22
FI114316B (fi) 2004-09-30
HU213183B (en) 1997-03-28
DE69501526D1 (de) 1998-03-05
IL112690A0 (en) 1995-05-26
BR9505777A (pt) 1996-02-27
MY114867A (en) 2003-02-28
ITMI940305A1 (it) 1995-08-22
AU1757395A (en) 1995-09-04
NO308170B1 (no) 2000-08-07
PL179285B1 (pl) 2000-08-31
WO1995022565A1 (en) 1995-08-24
KR100337049B1 (ko) 2002-10-18
RU2142471C1 (ru) 1999-12-10
IT1274016B (it) 1997-07-14
FI954939A0 (fi) 1995-10-17
UA37231C2 (uk) 2001-05-15
KR960701903A (ko) 1996-03-28
HUT73869A (en) 1996-10-28
JPH09501733A (ja) 1997-02-18
ES2113736T3 (es) 1998-05-01
CZ306695A3 (en) 1996-06-12
CN1126478A (zh) 1996-07-10
DE69501526T2 (de) 1998-08-20
US5610244A (en) 1997-03-11
FI954939A (fi) 1995-12-13
NO954202D0 (no) 1995-10-20
CN1068337C (zh) 2001-07-11
SK144395A3 (en) 1997-02-05
NO954202L (no) 1995-10-20

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