CA2031699A1 - Methode pour reduire l'accumulation de polymeres dans les echangeurs thermiques pendant la polymerisation des alpha-olefines - Google Patents

Methode pour reduire l'accumulation de polymeres dans les echangeurs thermiques pendant la polymerisation des alpha-olefines

Info

Publication number
CA2031699A1
CA2031699A1 CA2031699A CA2031699A CA2031699A1 CA 2031699 A1 CA2031699 A1 CA 2031699A1 CA 2031699 A CA2031699 A CA 2031699A CA 2031699 A CA2031699 A CA 2031699A CA 2031699 A1 CA2031699 A1 CA 2031699A1
Authority
CA
Canada
Prior art keywords
olefins
alpha
polymer build
heat exchangers
during polymerization
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.)
Granted
Application number
CA2031699A
Other languages
English (en)
Other versions
CA2031699C (fr
Inventor
Weldon Clifford Cummings
Reginald Walter Geck
Fathi David Hussein
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.)
Union Carbide Chemicals and Plastics Technology LLC
Original Assignee
Union Carbide Chemicals and Plastics Technology LLC
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 Chemicals and Plastics Technology LLC filed Critical Union Carbide Chemicals and Plastics Technology LLC
Publication of CA2031699A1 publication Critical patent/CA2031699A1/fr
Application granted granted Critical
Publication of CA2031699C publication Critical patent/CA2031699C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C08F2/00—Processes of polymerisation
    • C08F2/34—Polymerisation in gaseous state
    • 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
    • B01J8/18—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
    • C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
    • C08F2/007—Scale prevention in the auxiliary parts
    • 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
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/04—Monomers containing three or four carbon atoms
    • C08F110/06—Propene
    • 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
    • C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
    • 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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
CA002031699A 1989-12-07 1990-12-06 Methode pour reduire l'accumulation de polymeres dans les echangeurs thermiques pendant la polymerisation des alpha-olefines Expired - Fee Related CA2031699C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7/447,049 1989-12-07
US07/447,049 US5037905A (en) 1989-12-07 1989-12-07 Process for reducing polymer build-up in heat exchangers during polymerization of alpha-olefins

Publications (2)

Publication Number Publication Date
CA2031699A1 true CA2031699A1 (fr) 1991-06-08
CA2031699C CA2031699C (fr) 1996-12-24

Family

ID=23774801

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002031699A Expired - Fee Related CA2031699C (fr) 1989-12-07 1990-12-06 Methode pour reduire l'accumulation de polymeres dans les echangeurs thermiques pendant la polymerisation des alpha-olefines

Country Status (19)

Country Link
US (1) US5037905A (fr)
EP (1) EP0431626B1 (fr)
JP (1) JP2512344B2 (fr)
KR (1) KR950008719B1 (fr)
CN (1) CN1029619C (fr)
AR (1) AR244706A1 (fr)
AT (1) ATE121425T1 (fr)
AU (1) AU625791B2 (fr)
BR (1) BR9006060A (fr)
CA (1) CA2031699C (fr)
DE (1) DE69018785T2 (fr)
DK (1) DK0431626T3 (fr)
ES (1) ES2070983T3 (fr)
FI (1) FI906024A (fr)
GR (1) GR3015906T3 (fr)
HU (1) HUT57799A (fr)
MY (1) MY104558A (fr)
PT (1) PT96105A (fr)
ZA (1) ZA909812B (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5194526A (en) * 1992-07-30 1993-03-16 Union Carbide Chemicals & Plastics Technology Corporation Process for producing sticky polymers
US5200502A (en) * 1992-08-26 1993-04-06 Union Carbide Chemicals & Plastics Technology Corporation Deactivator reagent for olefin polymerization catalysts
US5733988A (en) * 1994-06-29 1998-03-31 Union Carbide Chemicals & Plastics Technology Corporation Process for reducing polymer build-up in recycle lines and heat exchangers during polymerizations employing butadiene, isoprene, and/or styrene
US5625012A (en) * 1994-06-29 1997-04-29 Union Carbide Chemicals & Plastics Technology Corporation Process for reducing polymer build-up in recycle lines and heat exchangers during polymerization of alpha olefins
US6124230A (en) * 1995-07-13 2000-09-26 Exxon Chemical Patents, Inc. Polymerization catalyst systems, their production and use
US6140432A (en) * 1995-07-13 2000-10-31 Exxon Chemical Patents Inc. Polymerization catalyst systems, their production and use
USH1722H (en) * 1995-05-05 1998-04-07 Goode; Mark Gregory Process for producing polypropylene impact block copolymers
DE19800020A1 (de) * 1998-01-05 1999-07-08 Basf Ag Kontinuierliches Gasphasenpolymerisationsverfahren
US6201076B1 (en) 1999-04-29 2001-03-13 Equistar Chemicals, L.P. Olefin polymerization process with fatty amine additives for improved activity and reduced fouling
FI991015A0 (fi) 1999-05-04 1999-05-04 Borealis As Menetelmä alfa-olefiinipolymeerien valmistamiseksi
US6884749B2 (en) 2002-10-17 2005-04-26 Equistar Chemicals L.P. Supported catalysts which reduce sheeting in olefin polymerization, process for the preparation and the use thereof
WO2005005487A1 (fr) * 2003-07-15 2005-01-20 Mitsui Chemicals, Inc. Procédé de prévention d'encrassement d'échangeur de chaleur
US7683140B2 (en) 2004-05-20 2010-03-23 Univation Technologies, Llc Method for determining temperature value indicative of resin stickiness from data generated by polymerization reaction monitoring
US7754830B2 (en) 2004-05-20 2010-07-13 Univation Technologies, Llc Polymerization reaction monitoring with determination of induced condensing agent concentration for preventing discontinuity events
US7858719B2 (en) * 2004-05-20 2010-12-28 Exxonmobil Chemical Patents Inc. Polymerization process
US7253239B2 (en) * 2004-10-29 2007-08-07 Westlake Longview Corporation Method for preventing or inhibiting fouling in a gas-phase polyolefin polymerization process
JP2010502813A (ja) * 2006-09-07 2010-01-28 ユニベーション・テクノロジーズ・エルエルシー 重合反応監視によって生成したデータから樹脂粘着性を示す温度値を決定するための方法
CA2662793A1 (fr) * 2006-09-07 2008-03-13 Univation Technologies, Llc Procedes pour la determination en ligne du degre de caractere collant d'une resine a l'aide d'un modele pour la depression d'une temperature d'initiation de fusion
EP2330135B1 (fr) * 2009-12-02 2012-11-07 Borealis AG Procédé de production de polyoléfines
RU2692265C2 (ru) 2015-03-25 2019-06-24 Базелл Полиолефин Гмбх Способы непрерывной газофазной полимеризации
CA3055722C (fr) 2017-03-09 2021-06-15 Exxonmobil Chemical Patents Inc. Procede de production de polymeres de polyethylene
KR102421977B1 (ko) 2018-12-19 2022-07-18 주식회사 엘지화학 방향족 비닐 화합물-비닐시안 화합물 중합체의 제조방법 및 제조장치
EP3868793A1 (fr) * 2020-02-24 2021-08-25 Borealis AG Procédé de production de polymères d'alpha-oléfine dans un processus de polymérisation à plusieurs étapes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5611908A (en) * 1979-07-11 1981-02-05 Mitsui Petrochem Ind Ltd Preparation of olefin polymer
US4675368A (en) * 1982-10-04 1987-06-23 Solvay & Cie. Process for inhibiting crust formation in reactors during alpha-olefin prepolymerization modification of Ziegler catalyst
US4520163A (en) * 1984-01-09 1985-05-28 Shell Oil Company Process of sequentially copolymerizing propylene-ethylene copolymers and catalyst therefor
US4981929A (en) * 1986-06-23 1991-01-01 Union Carbide Chemicals And Plastics Company, Inc. Catalyst productivity in the polymerization of olefins
EP0282929B2 (fr) * 1987-03-14 1997-10-22 Mitsubishi Kasei Corporation Procédé de préparation d'un copolymère bloc propylène-alpha-oléfine
EP0341723B1 (fr) * 1988-05-12 1994-03-30 Union Carbide Corporation Procédé de préparation de copolymères statistiques
US4956427A (en) * 1988-12-23 1990-09-11 Union Carbide Chemicals And Plastics Company Inc. Process for reducing polymer build-up in polymerization equipment during polymerization of alpha-olefins

Also Published As

Publication number Publication date
MY104558A (en) 1994-04-30
JPH0413703A (ja) 1992-01-17
DE69018785T2 (de) 1995-08-24
DE69018785D1 (de) 1995-05-24
CN1054602A (zh) 1991-09-18
ES2070983T3 (es) 1995-06-16
FI906024A (fi) 1991-06-08
AU625791B2 (en) 1992-07-16
DK0431626T3 (da) 1995-05-08
PT96105A (pt) 1991-09-30
GR3015906T3 (en) 1995-07-31
AU6778590A (en) 1991-06-13
HUT57799A (en) 1991-12-30
BR9006060A (pt) 1991-09-24
ZA909812B (en) 1991-10-30
AR244706A1 (es) 1993-11-30
JP2512344B2 (ja) 1996-07-03
CN1029619C (zh) 1995-08-30
FI906024A0 (fi) 1990-12-05
CA2031699C (fr) 1996-12-24
HU908100D0 (en) 1991-06-28
EP0431626B1 (fr) 1995-04-19
KR950008719B1 (ko) 1995-08-04
ATE121425T1 (de) 1995-05-15
KR910011923A (ko) 1991-08-07
EP0431626A1 (fr) 1991-06-12
US5037905A (en) 1991-08-06

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