Synthesis of molecular weight controllable bimodal polyethylene from fluorinated FI-Ti catalyst coupled with ZnEt2

- Molecular weight controllable bimodal polyethylene was synthesized using a fluorinated FI-Ti catalyst and ZnEt2.
- ZnEt2 was a useful molecular weight regulator.
- The high molecular weight fraction could be controlled via altering the living polymerization time.
- The low fraction could be controlled via varying the Zn/Ti ratio.