CA2304287A1 - Elastomeric propylene polymers - Google Patents

Elastomeric propylene polymers Download PDF

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Publication number
CA2304287A1
CA2304287A1 CA002304287A CA2304287A CA2304287A1 CA 2304287 A1 CA2304287 A1 CA 2304287A1 CA 002304287 A CA002304287 A CA 002304287A CA 2304287 A CA2304287 A CA 2304287A CA 2304287 A1 CA2304287 A1 CA 2304287A1
Authority
CA
Canada
Prior art keywords
producing
isotactic
transition metal
polypropylene
thermoplastic elastomer
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
CA002304287A
Other languages
French (fr)
Other versions
CA2304287C (en
Inventor
Weiquing Weng
Armenag H. Dekmezian
Eric J. Markel
David L. Peters
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 Chemical Patents Inc
Original Assignee
Exxon Chemical Patents, Inc.
Weiquing Weng
Armenag H. Dekmezian
Eric J. Markel
David L. Peters
Exxonmobil 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
Application filed by Exxon Chemical Patents, Inc., Weiquing Weng, Armenag H. Dekmezian, Eric J. Markel, David L. Peters, Exxonmobil Chemical Patents Inc. filed Critical Exxon Chemical Patents, Inc.
Publication of CA2304287A1 publication Critical patent/CA2304287A1/en
Application granted granted Critical
Publication of CA2304287C publication Critical patent/CA2304287C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing 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
    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • 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
    • C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
    • C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
    • 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
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/04—Polymers provided for in subclasses C08C or C08F
    • 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
    • Y10S526/943—Polymerization with metallocene catalysts

Abstract

A thermoplastic elastomer is provided comprising a branched olefin polymer having crystalline sidechains and an amorphous backbone wherein at least 90 mole percent of the sidechains are isotactic or syndiotactic polypropylene and at least 80 mole percent of the backbone is atactic polypropylene. Additionally, a process is provided for producing a thermoplastic elastomer composition comprising: a) contacting, in solution, at a temperature from 90 °C to 120 °C propylene monomers with a catalyst composition comprising a chiral, stereorigid transition metal catalyst compound capable of producing isotactic or syndiotactic polypropylene; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor using an achiral transition metal catalyst capable of producing atactic polypropylene; and c) recovering a branched olefin polymer.
CA002304287A 1997-12-10 1998-11-12 Elastomeric propylene polymers Expired - Fee Related CA2304287C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US6778197P 1997-12-10 1997-12-10
US60/067,781 1997-12-10
PCT/US1998/024117 WO1999029749A1 (en) 1997-12-10 1998-11-12 Elastomeric propylene polymers

Publications (2)

Publication Number Publication Date
CA2304287A1 true CA2304287A1 (en) 1999-06-17
CA2304287C CA2304287C (en) 2008-01-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA002304287A Expired - Fee Related CA2304287C (en) 1997-12-10 1998-11-12 Elastomeric propylene polymers

Country Status (10)

Country Link
US (2) US6184327B1 (en)
EP (1) EP1040146B1 (en)
JP (1) JP4229588B2 (en)
KR (1) KR100622175B1 (en)
CN (1) CN1144823C (en)
BR (1) BR9813439A (en)
CA (1) CA2304287C (en)
DE (1) DE69818862T2 (en)
ES (1) ES2205580T3 (en)
WO (1) WO1999029749A1 (en)

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