MX9701924A - Polymerization process. - Google Patents

Polymerization process.

Info

Publication number
MX9701924A
MX9701924A MX9701924A MX9701924A MX9701924A MX 9701924 A MX9701924 A MX 9701924A MX 9701924 A MX9701924 A MX 9701924A MX 9701924 A MX9701924 A MX 9701924A MX 9701924 A MX9701924 A MX 9701924A
Authority
MX
Mexico
Prior art keywords
polymerization process
polymerization
molecular weight
relatively high
high molecular
Prior art date
Application number
MX9701924A
Other languages
Spanish (es)
Other versions
MXPA97001924A (en
Inventor
Eugene Edmond Poirot
Vispi Rustom Sagar
Scott Kevin Jackson
Original Assignee
Exxon Chemical Patents 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
Priority claimed from US08/306,055 external-priority patent/US5763543A/en
Priority claimed from US08/332,162 external-priority patent/US5712353A/en
Application filed by Exxon Chemical Patents Inc filed Critical Exxon Chemical Patents Inc
Publication of MX9701924A publication Critical patent/MX9701924A/en
Publication of MXPA97001924A publication Critical patent/MXPA97001924A/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
    • 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
    • C08F210/18—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers with non-conjugated dienes, e.g. EPT rubbers
    • 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
    • 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
    • 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
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
    • 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
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65925—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually non-bridged

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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Abstract

The present invention relates to a gas phase process for the polymerization of olefins utilizing a metallocene catalyst system to produce polymers having a low density and a relatively high molecular weight.
MXPA/A/1997/001924A 1994-09-14 1997-03-13 Process of polimerizac MXPA97001924A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08306055 1994-09-14
US08/306,055 US5763543A (en) 1994-09-14 1994-09-14 Olefin polymerization process with little or no scavenger present
US08332162 1994-10-31
US08/332,162 US5712353A (en) 1994-10-31 1994-10-31 Gas phase polymerization process

Publications (2)

Publication Number Publication Date
MX9701924A true MX9701924A (en) 1998-07-31
MXPA97001924A MXPA97001924A (en) 1998-11-09

Family

ID=

Also Published As

Publication number Publication date
AU3587495A (en) 1996-03-29
CA2199869A1 (en) 1996-03-21
KR970706320A (en) 1997-11-03
WO1996008521A1 (en) 1996-03-21
JPH10506659A (en) 1998-06-30
EP0781301A1 (en) 1997-07-02

Similar Documents

Publication Publication Date Title
CA2198776A1 (en) Polymerization process
DE69523308D1 (en) POLYMERIZATION CATALYST SYSTEM, THEIR PRODUCTION AND USE
MY132781A (en) Olefin polymerization
HUP9600390A2 (en) Components and catalysts for the polymerization of olefins, process for polymerizing olefins
EP0705851A3 (en) Catalyst systems and process for producing broad molecular weight distribution polyolefin
CA2183102A1 (en) Polymerization catalyst systems, their production and use
CA2193882A1 (en) Polymerization catalyst systems, their production and use
MX9602864A (en) Process for producing an in situ polyethylene blend.
FI952376A (en) Process for polymerization of an olefin in gas phase
AU1677597A (en) Process for producing polyethylenes having a broad molecular weight distribution, and a catalyst system used thereby
ATE260305T1 (en) METHOD FOR POLYMERIZING MONOMERS IN FLUIDIZED BEDS
HUP0002503A3 (en) Prepolymerized catalyst components for the polymerization of olefins, process for producing thereof and process for polymerizing thereby
BG100904A (en) Metallocenes, method for their preparation and their application in catalysts for olefine polymerization
HUT76863A (en) Catalyst systems, process for polymerizing olefins, process for producing polymer mixtures and (co)polymer products
PL308163A1 (en) Solid aluminooxyorganic product, method of obtaining same, catalytic system for polymerisation of olefines and method of polymerising olefines
AU4760490A (en) Catalyst for regulating the molecular weight distribution of ethylene polymers
DE69520370D1 (en) POLYMERIZATION CATALYST SYSTEMS, THEIR PRODUCTION AND THEIR USE
MY114770A (en) Method for purification of (alpha)- olefins for polymerization use and method for production of poly- (alpha) olefins
AU3252489A (en) Catalyst for regulating the molecular weight distribution of ethylene polymers
ES8802430A1 (en) Novel catalyst and method for producing relatively narrow molecular weight distribution olefin polymers.
ES2181060T3 (en) PRODUCTION OF POLYETHYLENE WITH A BIMODAL MOLECULAR WEIGHT DISTRIBUTION.
MX9701924A (en) Polymerization process.
NO983786L (en) Process for the preparation of olefin polymers by gas phase polymerization
AU2411497A (en) Supported catalyst composition and process for the polymerization of olefin monomers
DE69703883D1 (en) YTTRIUM CONTAINING METAL COMPLEXES AND METHOD FOR THE POLYMERIZATION OF OLEFINS

Legal Events

Date Code Title Description
FA Abandonment or withdrawal