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Metallocene catalyst and catalyst system for producing polypropylene blend of iso- and syndio-tactic polypropylene
Metallocene catalyst and catalyst system for producing polypropylene blend of iso- and syndio-tactic polypropylene
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机译:茂金属催化剂和用于生产间同立构和间同立构聚丙烯的聚丙烯共混物的催化剂体系
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摘要
A polyolefin metallocene catalyst which includes two metallocene components, a stereorigid isospecific metallocene catalyst component and a stereorigid syndiospecific metallocene catalyst component, both of which are supported upon the same support. A method of forming a catalyst system includes contacting the above catalyst with a cocatalyst or Lewis acid. A method of polymerization includes contacting an olefin with the catalyst system.
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