PRODUCTION METHOD FOR SOLID CATALYST COMPONENT FOR POLYMERIZING OLEFINS, AND CATALYST FOR POLYMERIZAING OLEFINS
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United States of America
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Apr 10, 2025
app pub date -
Oct 6, 2023
filing date -
Oct 6, 2023
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Abstract
The present invention provides a process for producing a solid catalyst component without using internal electron donors, prepared by reacting an alkoxymagnesium compound with an acyl halide and/or sulfinyl halide and/or sulfonyl halide compound, and an alkanol and/or an alkanediol to form reaction product (A), optionally reacting the reaction product (A) with an organohalide and oranophosphorus compound to form reaction product (B), reacting the reaction product (B) with a halogen-containing titanium or vanadium compound to obtain the solid catalyst component (C). The solid catalyst component can be used in a olefin polymerization catalyst system to produce polypropylene polymers with high activity, high stereo-regularity, and good morphology.
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