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用后过渡金属化合物为齐聚催化剂，在以甲基铝氧烷（ＭＡＯ）为惟一助催化剂的条件下，将生成的齐聚产物Ｃ１０＝－Ｃ２２＝通过Ｅｔ（Ｉｎｄ）２ＺｒＣｌ２原位共聚制备长链支化聚乙烯，该聚合体系具有高活性、聚合物物性可调等优异特点．
Using the transition metal compound as the oligomerization catalyst, the resulting oligomeric product C10 = -C22 = was prepared by in-situ copolymerization of Et (Ind) 2ZrCl2 in the presence of methylaluminoxane (MAO) Chain branched polyethylene, the polymerization system has high activity, adjustable polymer properties such as excellent characteristics.