Polyethylene compositions having improved properties

Polyethylene compositions having improved properties

  • CN 101,835,536 B
  • Filed: 10/09/2008
  • Issued: 05/20/2015
  • Est. Priority Date: 10/22/2007
  • Status: Active Grant
First Claim
Patent Images

1. comprise a polyethylene composition for ethene and butene monomers, wherein co-monomer content is the 2.0-15.0wt% based on composition weight, and described composition has:

  • 0.5≤

    g '"'"' avgthe Long-chain-branching index of≤

    0.9;

    >

    (49.011x MI (-0.4304)) melt index compare I 21/ I 2, wherein MI is melt index;

    The weight-average molecular weight of≤

    4.6 and the ratio Mw/Mn of number-average molecular weight;

    With the strain-hardening index being greater than 2

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