The present invention provides a method for preparing a polyolefin having a broad molecular weight distribution. More specifically, the present invention provides a method for preparing a polyolefin having a broad molecular weight distribution and an ultra-high molecular weight in which an organometallic complex containing a specific Ti-Al complex structure is used as a molecular weight controller (i.e., molecular weight enhance) in the polymerization of an olefin monomer, thereby enabling both solution polymerization and slurry polymerization, particularly enabling the molecular weight distribution to be more readily and effectively controlled.
本发明提供了一种制备具有宽分子量分布的聚烯烃的方法。更具体地说,本发明提供了一种制备具有宽分子量分布和超高分子量的聚烯烃的方法,其中在烯烃单体的聚合过程中,将含有特定
钛-铝络合物结构的有机
金属络合物用作分子量控制剂(即分子量增强剂),从而实现溶液聚合和浆料聚合,特别是使分子量分布更容易得到有效控制。