Preparation of HDPE with improved processability by novel non-metallocene catalyst systems

It is known that polyolefins demand, as well as polyethylene in various assortment increases dramatically. To preparation of polyethylene with various properties (e.g. molecularweight, MWD, melting temperature, and etc.) new generation of catalysts have been developed in last years. Among of themthe non-metallocene catalysts, as well as Phenoxy-Imines (FI) are of special importance. One of the most important properties of these catalysts is capable of handling andadjusting the ethylene polymerization. By the changing of ligand structure, number of substitutes and transitionmetal/ligand ratio the PE with different properties can be synthesized [1]. The synthesis methods of these catalyst systems just like metallocene types are complex, multi-stepand not appropriate in terms of ecology and environment since make a large amount of wastes.In our previous works new generation of FI type nonmetallocenecatalysts have been synthesized via grafted ionliquid method [2-4]. This method is suitable and very sample.Our scope is preparation of high density polyethylene (HDPE) with very broad MWD by controlling metal complexstructure. By this way we can prepare proseccable HDPE with appropriate thermophysical and mechanical properties