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Process and catalyst for producing polyethylene having a broad molecular weight distribution

  • US 4,530,914 A
  • Filed: 06/06/1983
  • Issued: 07/23/1985
  • Est. Priority Date: 06/06/1983
  • Status: Expired due to Term
First Claim
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1. A catalyst system for the (co)polymerization of ethylene to polyethylene having a broad molecular weight distribution, said catalyst comprising (a) at least two different metallocenes selected from mono, di or tricyclopentadienyls and substituted cyclopentadienyls of a Group 4b, 5b and 6b transition metal each having different propagation and termination rate constants of ethylene polymerizations and (b) an alumoxane.

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