KR870700641A - Control molecular weight distribution in tube reactor - Google Patents

Control molecular weight distribution in tube reactor

Info

Publication number
KR870700641A
KR870700641A KR1019860700557A KR860700557A KR870700641A KR 870700641 A KR870700641 A KR 870700641A KR 1019860700557 A KR1019860700557 A KR 1019860700557A KR 860700557 A KR860700557 A KR 860700557A KR 870700641 A KR870700641 A KR 870700641A
Authority
KR
South Korea
Prior art keywords
molecular weight
weight distribution
tube reactor
control molecular
control
Prior art date
Application number
KR1019860700557A
Other languages
Korean (ko)
Other versions
KR900008459B1 (en
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 filed Critical
Publication of KR870700641A publication Critical patent/KR870700641A/en
Application granted granted Critical
Publication of KR900008459B1 publication Critical patent/KR900008459B1/en

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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (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)
KR1019860700557A 1984-12-14 1985-12-16 Molecular weight distribution modification in tubular reactor KR900008459B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US68195184A 1984-12-14 1984-12-14
US681951 1984-12-14
PCT/US1985/002528 WO1986003756A1 (en) 1984-12-14 1985-12-16 Molecular weight distribution modification in tubular reactor

Publications (2)

Publication Number Publication Date
KR870700641A true KR870700641A (en) 1987-12-30
KR900008459B1 KR900008459B1 (en) 1990-11-22

Family

ID=24737554

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860700557A KR900008459B1 (en) 1984-12-14 1985-12-16 Molecular weight distribution modification in tubular reactor

Country Status (6)

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

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 (en) 2019-03-26 2024-01-31 SABIC Global Technologies B.V. Chromium oxide catalyst for ethylene polymerization

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 (en) * 1975-09-02 1977-04-01 Michelin & Cie ELASTOMERS OF THE E P T TYPE, AND ARTICLES CONTAINING SUCH ELASTOMERS
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
JPS5948046B2 (en) * 1978-08-17 1984-11-24 三井化学株式会社 Ethylene copolymer rubber
FR2519007B1 (en) * 1981-12-24 1985-12-27 Charbonnages Ste Chimique MODIFIED COPOLYMERS OF ETHYLENE AND AT LEAST ONE A-OLEFIN AND PROCESS FOR THEIR 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
WO1986003756A1 (en) 1986-07-03
EP0204840A1 (en) 1986-12-17
CA1272846A (en) 1990-08-14
JPS62501155A (en) 1987-05-07
AU5301086A (en) 1986-07-22
KR900008459B1 (en) 1990-11-22
AU579446B2 (en) 1988-11-24
EP0204840A4 (en) 1988-09-07

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
NORF Unpaid initial registration fee