A metallocene compound with the 4- and 7-positions on the indenyl moiety possessing large aromatic substituents is prepared in accordance with a method which produces substantially 100 percent racemic isomer. Advantageously, polymerization catalysts including the metallocene of the invention provide superior olefin polymerization results.
一种含有芳基取代基的
茚烷基分子中4-和7-位的
金属茂化合物,根据一种能够产生几乎100%外消旋异构体的方法制备。优点是,包括该发明的茂
金属化合物的聚合催化剂提供了优异的烯烃聚合结果。