Solid catalyst components for olefin polymerization
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United States of America Patent
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May 11, 1999
Grant Date -
N/A
app pub date -
Feb 14, 1997
filing date -
Feb 16, 1996
priority date (Note) -
Expired
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Abstract
Solid catalyst components for olefin polymerization which comprise a solid carrier components comprising a solid substance having the general formula MgX.sub.2.(E).sub.n ( 1) wherein X is a halogen atom, E is a monoether compound and n is 0.01.about.4, at least a portion of said E being replaced by an eletron donative compound different from said monoether compound (E), and a titanium compound and these catalyst components can produce an olefin polymer having a high stereoregularity in a high polymer yield per unit of a catalyst component in olefin polymerization.
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