Provided are a novel transition metal compound based on a cyclopenta[a]naphthalene group, a transition metal catalyst composition having high catalytic activity for preparing an ethylene homopolymer or a copolymer of ethylene and at least one α-olefin including the same, a method for preparing an ethylene homopolymer or a copolymer of ethylene and α-olefin using the same, and the ethylene homopolymer or the copolymer of ethylene and α-olefin prepared above. The metallocene compound according to the present invention and the catalyst composition including the same may provide a high thermal stability of the catalyst to maintain high catalytic activity even at a high temperature, have good copolymerization reactivity with other olefins, and prepare a high molecular weight polymer at a high yield.
提供了一种基于环戊[α]
萘基团的新型过渡
金属化合物,一种具有高催化活性的过渡
金属催化剂组合物,用于制备
乙烯均聚物或
乙烯与至少一种α-烯烃共聚物的方法,以及使用该方法制备的
乙烯均聚物或
乙烯与α-烯烃共聚物。根据本发明的茂
金属化合物和包括其在内的催化剂组合物可能提供催化剂的高热稳定性,即使在高温下仍保持高催化活性,具有与其他烯烃良好的共聚反应性,并以高收率制备高分子量聚合物。