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Polymer blends

  • US 7,956,129 B2
  • Filed: 08/12/2004
  • Issued: 06/07/2011
  • Est. Priority Date: 08/19/2003
  • Status: Active Grant
First Claim
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1. A polymer blend comprising:

  • (a) 1-99% by weight of a copolymer of ethylene and an alpha olefin having from 3 to 10 carbon atoms, said copolymer having(i) a density in the range 0.905 to 0.940 g cm

    3
    ,(ii) a melt elastic modulus G′

    (G″

    =500 Pa) in the range 10 to 150 Pa, and(iii) a melt index (190°

    C./2.16 kg) in the range 5 to 50 g/10 ml, and(b) from 1-99% by weight of a low density polyethylene (LDPE) comprising a homopolymer of ethylene having a density from 0.914 to 0.928 g cm

    3
    ,wherein the sum of (a) and (b) is 100%.

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