Composition comprising polymerization catalyst precursor

Composition comprising polymerization catalyst precursor

  • CN 1,847,270 A
  • Filed: 10/05/1999
  • Published: 10/18/2006
  • Est. Priority Date: 10/05/1998
  • Status: Active Grant
First Claim
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1. A composition comprising a catalyst precursor of the formula:

  • [R'

    M(L'

    )xA'

    ]wherein R'"'"' represents an anionic hydrocarbyl containing ligand;

    m is selected from palladium, platinum and nickel;

    l'"'"' represents a group 15 neutral electron donor ligand selected from the group consisting of amines, pyridine, arsine,  and

    organophosphorus-containing compounds;

    a'"'"' represents an ionic group selected from halogensNitrate, trifluoromethanesulfonate, bis-trifluoromethanesulfonimide, trifluoroacetate, toluenesulfonate, AlBr4-

    AlF4-

    AlCl4-

    AlF3O3SCF3-

    AsCl6-

    SbCl6-

    SbF6-

    PF6-

    BF4-

    ClO4-

    HSO4-Carboxylate, acetate, acetylacetonate, carbonate, aluminate, borate; and

    x is 1 or 2.

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