Blend of ethylene and .alpha.-olefin copolymers obtained using a metallocene catalyst for fabricating medical films and tubings
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United States of America Patent
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Apr 16, 2002
Grant Date -
N/A
app pub date -
Oct 10, 2000
filing date -
Oct 10, 2000
priority date (Note) -
Expired
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Abstract
The present invention provides a polymer blend for fabricating medical products. The blend has a first ethylene and .alpha.-olefin copolymer obtained using a single-site catalyst present in an amount by weight of from about 0% to about 99% by weight of the blend and having a melt flow index from about 0.1 g/10 min to about 5 g/10 min, a second ethylene and .alpha.-olefin copolymer obtained using a single-site catalyst and being present in an amount by weight of the blend from about 0% to about 99% and having a melt flow index from higher than about 5 g/10 min to about 20 g/10 min; and a third ethylene and .alpha.-olefin copolymer obtained using a single-site catalyst and being present in an amount by weight of the blend from about 0% to about 99% and having a melt flow index greater than about 20 g/10 min.
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