发明名称 |
HIGH PERFORMANCE ZIEGLER-NATTA CATALYST SYSTEMS, PROCESS FOR PRODUCING SUCH SUPPORTED CATALYSTS AND USE THEREOF |
摘要 |
A method for making a solid catalyst component for use in a Ziegler-Natta catalyst includes combining in a hydrocarbon solvent a porous particulate support with a hydrocarbon soluble organomagnesium compound to form a suspension. The organomagnesium compound is halogenated followed by addition of an alcohol and the mixture is then reacted with a titanium compound followed by a reaction with at least one diether compound to form the solid catalyst component. Afterwards the reaction product is extracted with a mixture of a titanium compound and a hydrocarbon solvent. The solid catalyst component recovered is combined with an aluminum cocatalyst to form a Ziegler-Natta catalyst system for the polymerization of olefins. In particular, the catalyst system including a diether internal electron donor may have an activity and hydrogen response suitable for the production of propylene polymers having a molecular weight distribution (PI(GPC)) in the range from about 5.75 to about 9. |
申请公布号 |
EP2922880(A1) |
申请公布日期 |
2015.09.30 |
申请号 |
EP20130802265 |
申请日期 |
2013.11.22 |
申请人 |
LUMMUS NOVOLEN TECHNOLOGY GMBH |
发明人 |
DENKWITZ, YVONNE;SCHUSTER, OLIVER;WINTER, ANDREAS |
分类号 |
C08F10/00;C08F4/651;C08F4/654 |
主分类号 |
C08F10/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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