CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
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United States of America Patent
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Issued Date -
May 23, 2013
app pub date -
Aug 4, 2011
filing date -
Aug 5, 2010
priority date (Note) -
Abandoned
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Abstract
A catalyst component for the polymerization of olefins comprising Mg, Ti and at least two electron donor compounds, one of which (A) belonging to specific diolesters and the other electron donor compound (B) being selected from aromatic monoesters of the following formula (B) in which R groups equal to or different from each other, are selected from C1-C15 hydrocarbon groups which can be also linked to form one or more cycles, m is an integer from 1 to 5 and R5 is a C1-C15 alkyl group, said electron donors A and B being in amounts such that the A/B molar ratio is lower than 20.
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