Olefin polymer or copolymer formed using a solid catalytic component
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United States of America Patent
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Apr 29, 2003
Grant Date -
Oct 10, 2002
app pub date -
Feb 6, 2002
filing date -
Apr 2, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A copolymer of ethylene and an alpha-olefin contains from 3 to 12 carbon atoms, wherein 0.1 to 1.5 mol % of the units originate from the alpha-olefin. The copolymer has a relative density ranging from 0.960 to 0.940, a transition metal content lower than 6 ppm, an Mw/Mn ratio higher than 7, an Mz/Mw ratio higher than 3.3 and an Mz higher than 300,000. The copolymer is prepared from the polymerization or co-polymerization of at least one olefin in the presence of a solid catalytic component or a prepolymerized catalyst.
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