Polymerization catalyst activators, method of preparing and their use in polymerization processes

Polymerization catalyst activators, method of preparing and their use in polymerization processes

  • CN 1,659,193 B
  • Filed: 05/29/2003
  • Issued: 06/20/2012
  • Est. Priority Date: 06/28/2002
  • Status: Active Grant
First Claim
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1. the catalyst system that comprises metallocenes polymerizing catalyst and acvator;

  • Wherein this acvator comprises that heterogeneous ring compound combines the activator compound that obtains with aluminiferous compound, and wherein said heterogeneous ring compound is selected from pyroles, imidazoles, pyrazoles, pyrroline class, pyrrolidines, purine class, carbazoles, indoles or their mixture;

    Wherein said aluminiferous compound is aikyiaiurnirsoxan beta or alkylaluminium cpd, and this alkylaluminium cpd is used general formula AlR 3Expression, wherein each R replaces or substituted alkyl not.

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