研究了三种负载型镍的二亚胺配合物与TiCl4组成的新型复合催化体系,在不用MAO,以烷基铝为助催化剂的条件下,催化乙烯/1-丁烯淤浆共聚制备的一系列塑性体和弹性体共聚物的结构性能.发现由于催化体系具有齐聚及原位共聚性能,制得的共聚产物是一种高支化度(21.1~70.3branch number/1000 C)、低密度和极低密度(0.880 g/cm3~0.911 g/cm3)塑性体和弹性体共聚物.
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