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Articles comprising propylene-based elastomers

  • US 20050107529A1
  • Filed: 11/12/2004
  • Published: 05/19/2005
  • Est. Priority Date: 11/14/2003
  • Status: Active Grant
First Claim
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1. An article comprising:

  • at least 60 wt %, based on the total polymeric weight of the article, of an elastomer having an isotactic propylene triad tacticity of from 65 to 95%, a melting point by DSC equal to or less than 110°

    C., a heat of fusion of from 5 to 50 J/g, and comprising;

    (a) propylene-derived units in an amount of at least 75 wt %, based on the combined weight of components (a), (b), and (c), (b) ethylene-derived units in an amount of at least 6 wt %, based on the combined weight of components (a), (b), and (c), and (c) optionally 10 wt % or less of diene-derived units, based on the combined weight of components (a), (b), and (c);

    wherein the article is at least partially cured.

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