Catalyst component for the polymerization of olefins, process for its manufacture and process for the polymerization of olefins in the presence of the said catalyst component
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United States of America Patent
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Apr 24, 2001
Grant Date -
N/A
app pub date -
Dec 15, 1995
filing date -
Dec 16, 1994
priority date (Note) -
Expired
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Abstract
The present invention relates to a solid catalyst component for the polymerization of olefins, making it possible to obtain polymers or copolymers exhibiting a high Mz/Mw, generally higher than 3, and a high Mw/Mn, generally higher than 5.5. In the solid component according to the invention, titanium is present in a proportion of at least 2.5% by weight and a diester of phthalic acid is present in a proportion of less than 7% by weight.
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