Polymer blend and fabricated article made from diverse ethylene interpolymers
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United States of America Patent
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Apr 20, 2004
Grant Date -
N/A
app pub date -
Nov 1, 1999
filing date -
Nov 1, 1999
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Expired
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Abstract
This invention is directed to an ethylene polymer blend comprising at least two diverse ethylene interpolymers wherein one interpolymer has a lower number of carbons than the at least one other interpolymer. The ethylene polymer blend preferably comprises at least one homogeneously branched ethylene/.alpha.-olefin interpolymer blended with at least one heterogeneously branched ethylene/.alpha.-olefin interpolymer and is characterized as having a density greater than or equal to 0.90 g/cm.sup.3 and in particularly preferred embodiments is further characterized as having an intrinsic tear value greater than or equal to 150 grams. The inventive ethylene polymer blend can be used to make various fabricated articles, especially extruded forms and most especially films such as high strength thin gauge packaging film, impact resistant shrink film and heat sealable packaging film.
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