Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts

Marks, Tobin J.; Luo, Lubin; Yoon, Sung Cheol

Title: Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts

Abstract

A catalyst system useful to polymerize and co-polymerize polar and non-polar olefin monomers is formed by in situ reduction with a reducing agent of a catalyst precursor comprising {Cp*MRR'.sub.n}.sup.+{A}.sup.- wherein Cp* is a cyclopentadienyl or substituted cyclopentadienyl moiety; M is an early transition metal; R is a C.sub.1 C.sub.20 hydrocarbyl; R' are independently selected from hydride, C.sub.1 C.sub.20 hydrocarbyl, SiR''.sub.3, NR''.sub.2, OR'', SR'', GeR''.sub.3, SnR''.sub.3, and C.dbd.C-containing groups (R''=C.sub.1 C.sub.10 hydrocarbyl); n is an integer selected to balance the oxidation state of M; and A is a suitable non-coordinating anionic cocatalyst or precursor. This catalyst system may form stereoregular olefin polymers including syndiotactic polymers of styrene and methylmethacrylate and isotactic copolymers of polar and nonpolar olefin monomers such as methylmethacrylate and styrene.

Inventors:: Marks, Tobin J.; Luo, Lubin; Yoon, Sung Cheol

Issue Date:: 2006-10-10

Research Org.:: Northwestern Univ., Evanston, IL (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1175935

Patent Number(s):: 7119158

Application Number:: 10/842,725

Assignee:: Northwestern University (Evanston, IL)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
B01J2231/12 - Olefin polymerisation or copolymerisation
B01J2531/46 - Titanium
B01J31/2295 - {Cyclic compounds, e.g. cyclopentadienyls}

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS 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
C08F12/08 - Styrene
C08F212/08 - Styrene
C08F220/14 - Methyl esters {, e.g. methyl
C08F4/6192 - containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
C08F4/65908 - {in combination with an ionising compound other than alumoxane, e.g.
C08F4/6592 - containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10S - TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y10S526/943 - Polymerization with metallocene catalysts

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Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Marks, Tobin J., Luo, Lubin, and Yoon, Sung Cheol. Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts.  United States: N. p., 2006. 
        Web.

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                    Marks, Tobin J., Luo, Lubin, & Yoon, Sung Cheol. Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts.  United States.

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                    Marks, Tobin J., Luo, Lubin, and Yoon, Sung Cheol. Tue .  
        "Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts".  United States.  https://www.osti.gov/servlets/purl/1175935.

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@article{osti_1175935,

  title        = {Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts},

  author       = {Marks, Tobin J. and Luo, Lubin and Yoon, Sung Cheol},

  abstractNote = {A catalyst system useful to polymerize and co-polymerize polar and non-polar olefin monomers is formed by in situ reduction with a reducing agent of a catalyst precursor comprising {Cp*MRR'.sub.n}.sup.+{A}.sup.- wherein Cp* is a cyclopentadienyl or substituted cyclopentadienyl moiety; M is an early transition metal; R is a C.sub.1 C.sub.20 hydrocarbyl; R' are independently selected from hydride, C.sub.1 C.sub.20 hydrocarbyl, SiR''.sub.3, NR''.sub.2, OR'', SR'', GeR''.sub.3, SnR''.sub.3, and C.dbd.C-containing groups (R''=C.sub.1 C.sub.10 hydrocarbyl); n is an integer selected to balance the oxidation state of M; and A is a suitable non-coordinating anionic cocatalyst or precursor. This catalyst system may form stereoregular olefin polymers including syndiotactic polymers of styrene and methylmethacrylate and isotactic copolymers of polar and nonpolar olefin monomers such as methylmethacrylate and styrene.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2006},

  month        = {10}

}

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Works referenced in this record:

Metallocene/Borate-Catalyzed Copolymerization of 5- N , N -Diisopropylamino-1-pentene with 1-Hexene or 4-Methyl-1-pentene
journal, January 1999

Stehling, Udo M.; Stein, Kevin M.; Fischer, David
Macromolecules, Vol. 32, Issue 1
https://doi.org/10.1021/ma980856c

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Title: Cyclopentadienyl-containing low-valent early transition metal olefin polymerization catalysts

Abstract

Citation Formats

Metallocene/Borate-Catalyzed Copolymerization of 5- N , N -Diisopropylamino-1-pentene with 1-Hexene or 4-Methyl-1-pentene journal, January 1999

Metallocene/Borate-Catalyzed Copolymerization of 5- N , N -Diisopropylamino-1-pentene with 1-Hexene or 4-Methyl-1-pentene
journal, January 1999