Progress in catalyst technology has lead to the synthesis of a rich set of new polyolefins with different structures and......

Ethylene-propene copolymers have been synthesized by three C1-symmetric metallocene molecules (1,2,and 3),having tert-bu......

采用多元Ｆｌｏｒｙ分布函数对Ｃｐ２ＺｒＣｌ２／异丁基铝氧烷和甲基铝氧烷制备聚乙烯的ＧＰＣ曲线进行了拟合，获得了很好的结果，表明在茂金属均相催化体系中存在多种活......

茂金属催化剂的烯烃聚合研究始于５０年代末［１］，只是由于当时选用烷基铝（ＡｌＥｔ３、ＡｌＥｔ２Ｃｌ、ＡｌＥｔＣｌ２）作助催化剂，聚合活性不高，而且生成的聚合物相对分子质量低，没有受......