Zwitterionic Group VIII transition metal initiators supported by olefin ligands

Title: Zwitterionic Group VIII transition metal initiators supported by olefin ligands

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Abstract

A zwitterionic Group VIII transition metal complex containing the simple and relatively small 3-(arylimino)-but-1-en-2-olato ligand that catalyzes the formation of polypropylene and high molecular weight polyethylene. A novel feature of this catalyst is that the active species is stabilized by a chelated olefin adduct. The present invention also provides methods of polymerizing olefin monomers using zwitterionic catalysts, particularly polypropylene and high molecular weight polyethylene.

Inventors:

Bazan, Guillermo C ^[1]; Chen, Yaofeng ^[2]

Goleta, CA
Shanghai, CN

Issue Date:: 2011-10-25

Research Org.:: University of California (Oakland, CA)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1028492

Patent Number(s):: 8,044,225

Application Number:: 11/519,618

Assignee:: The Regents of the University of California (Oakland, CA)

DOE Contract Number:: FG03-98ER14910

Resource Type:: Patent

Country of Publication:: United States

Language:: English

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

Citation Formats


                    Bazan, Guillermo C, and Chen, Yaofeng. Zwitterionic Group VIII transition metal initiators supported by olefin ligands.  United States: N. p., 2011. 
        Web.

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                    Bazan, Guillermo C, & Chen, Yaofeng. Zwitterionic Group VIII transition metal initiators supported by olefin ligands.  United States.

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                    Bazan, Guillermo C, and Chen, Yaofeng. Tue .  
        "Zwitterionic Group VIII transition metal initiators supported by olefin ligands".  United States.  https://www.osti.gov/servlets/purl/1028492.

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@article{osti_1028492,

  title        = {Zwitterionic Group VIII transition metal initiators supported by olefin ligands},

  author       = {Bazan, Guillermo C and Chen, Yaofeng},

  abstractNote = {A zwitterionic Group VIII transition metal complex containing the simple and relatively small 3-(arylimino)-but-1-en-2-olato ligand that catalyzes the formation of polypropylene and high molecular weight polyethylene. A novel feature of this catalyst is that the active species is stabilized by a chelated olefin adduct. The present invention also provides methods of polymerizing olefin monomers using zwitterionic catalysts, particularly polypropylene and high molecular weight polyethylene.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2011},

  month        = {10}

}

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