The present application relates to a process for producing ethylene polymer in a polymerization process comprising polymerisation of ethylene, optionally with comonomers selected from C3-C20-alpha-olefins, preferably selected from C4-C10-alpha-olefins, in the presence of a Ziegler-Natta catalyst under polymerisation conditions in at least one polymerisation stage carried out in a solution, slurry or gas-phase reactor or in combinations thereof, wherein the Ziegler-Natta catalyst comprises (A) a solid Ziegler-Natta catalyst component and (B) a cocatalyst, wherein the solid Ziegler-Natta catalyst component (A) comprises a solid support of a Mg compound, a transition metal of Group 4 to 6 and an internal electron donor.
本申请涉及一种在聚合过程中生产
乙烯聚合物的工艺,该聚合过程包括
乙烯与选自C3-C20-α-烯烃,优选选自C4-C10-α-烯烃的共聚单体在齐格勒-纳塔催化剂存在下,在溶液中进行的至少一个聚合阶段的聚合、其中 Ziegler-Natta 催化剂包括 (A) 固体 Ziegler-Natta 催化剂组分和 (B) 助催化剂,其中固体 Ziegler-Natta 催化剂组分 (A) 包括由
镁化合物、第 4 至 6 族过渡
金属和内部电子供体组成的固体载体。