AU579446B2 - Molecular weight distribution modification - Google Patents

Molecular weight distribution modification

Info

Publication number
AU579446B2
AU579446B2 AU53010/86A AU5301086A AU579446B2 AU 579446 B2 AU579446 B2 AU 579446B2 AU 53010/86 A AU53010/86 A AU 53010/86A AU 5301086 A AU5301086 A AU 5301086A AU 579446 B2 AU579446 B2 AU 579446B2
Authority
AU
Australia
Prior art keywords
process according
copolymer
polymerization
catalyst
reaction mixture
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.)
Ceased
Application number
AU53010/86A
Other languages
English (en)
Other versions
AU5301086A (en
Inventor
Charles Cozewith
Gary William Verstrate
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering 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 Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of AU5301086A publication Critical patent/AU5301086A/en
Application granted granted Critical
Publication of AU579446B2 publication Critical patent/AU579446B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • C08F2/04—Polymerisation in solution
    • C08F2/06—Organic solvent
    • 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
    • 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • B01J19/2415—Tubular reactors
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
    • B01J2219/00099—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor the reactor being immersed in the heat exchange medium
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00159—Controlling the temperature controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00186—Controlling or regulating processes controlling the composition of the reactive mixture
    • 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
    • C08F110/02—Ethene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
AU53010/86A 1984-12-14 1985-12-16 Molecular weight distribution modification Ceased AU579446B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US68195184A 1984-12-14 1984-12-14
US681951 1984-12-14

Publications (2)

Publication Number Publication Date
AU5301086A AU5301086A (en) 1986-07-22
AU579446B2 true AU579446B2 (en) 1988-11-24

Family

ID=24737554

Family Applications (1)

Application Number Title Priority Date Filing Date
AU53010/86A Ceased AU579446B2 (en) 1984-12-14 1985-12-16 Molecular weight distribution modification

Country Status (6)

Country Link
EP (1) EP0204840A4 (fr)
JP (1) JPS62501155A (fr)
KR (1) KR900008459B1 (fr)
AU (1) AU579446B2 (fr)
CA (1) CA1272846A (fr)
WO (1) WO1986003756A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4804794A (en) * 1987-07-13 1989-02-14 Exxon Chemical Patents Inc. Viscosity modifier polymers
GB9226616D0 (en) * 1992-12-21 1993-02-17 Printed Forms Equip Pressure sealing machine and method
US6610408B1 (en) 1996-11-08 2003-08-26 Solvay Engineered Polymers TPO blends containing multimodal elastomers
US6403520B1 (en) 1999-09-17 2002-06-11 Saudi Basic Industries Corporation Catalyst compositions for polymerizing olefins to multimodal molecular weight distribution polymer, processes for production and use of the catalyst
EP3715385B1 (fr) 2019-03-26 2024-01-31 SABIC Global Technologies B.V. Catalyseur d'oxyde de chrome destiné à la polymérisation de l'éthylène

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3162620A (en) * 1961-05-04 1964-12-22 Du Pont Ethylene polymers prepared in the form of a coherent film at a quiescent liquid catalyst surface
US3389087A (en) * 1965-12-23 1968-06-18 Exxon Research Engineering Co Lubricant containing ethylene-alpha-olefin polymers
US3522180A (en) * 1967-09-28 1970-07-28 Texaco Inc Lubricating oil compositions containing amorphous ethylene-propylene copolymers
US3551336A (en) * 1969-06-30 1970-12-29 Exxon Research Engineering Co Lubricant containing ethylene-alpha-olefin polymer
US3681306A (en) * 1969-10-24 1972-08-01 Du Pont Epdm polymerization process
FR2322883A1 (fr) * 1975-09-02 1977-04-01 Michelin & Cie Elastomeres du type e p t, et articles comportant de tels elastomeres
US4065520A (en) * 1976-06-04 1977-12-27 Union Carbide Corporation Gradient polymers of two or more alpha mono-olefinic monomers capable of polymerizing with themselves and each other
US4135044A (en) * 1977-08-08 1979-01-16 Exxon Research & Engineering Co. Process for achieving high conversions in the production of polyethylene
US4414369A (en) * 1977-08-17 1983-11-08 Nippon Oil Company, Limited Continuous process for the preparation of polyolefins having widely distributed molecular weights
JPS6030326B2 (ja) * 1978-08-17 1985-07-16 三井化学株式会社 エチレン共重合ゴムの製造方法
FR2519007B1 (fr) * 1981-12-24 1985-12-27 Charbonnages Ste Chimique Copolymeres modifies de l'ethylene et d'au moins une a-olefine et procede pour leur preparation
US4540753A (en) * 1983-06-15 1985-09-10 Exxon Research & Engineering Co. Narrow MWD alpha-olefin copolymers

Also Published As

Publication number Publication date
EP0204840A4 (fr) 1988-09-07
KR870700641A (ko) 1987-12-30
KR900008459B1 (ko) 1990-11-22
AU5301086A (en) 1986-07-22
WO1986003756A1 (fr) 1986-07-03
EP0204840A1 (fr) 1986-12-17
CA1272846A (fr) 1990-08-14
JPS62501155A (ja) 1987-05-07

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