Heterogeneous catalytic compositions obtained by reacting a porous inorganic support with an alumoxane and subsequently supporting at least one metallocene compound thereon. A process for polymerization of α-olefins in a slurry or in a gas phase, the process catalyzed by such heterogeneous catalytic compositions.
通过将多孔无机支撑物与氧化铝烷反应,然后在其上支撑至少一种
金属茂化合物而获得的异质催化组合物。一种在悬浮液或气相中聚合α-烯烃的过程,该过程由这种异质催化组合物催化。