Synthesis of MDI-based thermoplastic Polyurethane film and investigationof chemical monomer recovery via Glycolysis

In this paper, different grades of thermoplastic polyurethane (TPU) were synthesized using fourdifferent molecular weights of polyethylene glycol (۴۰۰, ۱۰۰۰, ۲۰۰۰, and ۴۰۰۰ Daltons) as polyoland methylene diphenyl diisocyanate (MDI) as diisocyanate. Subsequently, the synthesized TPUfilms were chemically degraded into their monomers using ethylene glycol and diethylene glycol asreagents. To obtain reusable material, the recovered polyols were purified. The structure andproperties were investigated using FTIR, DSC, and XRD test methods.

کلیدواژه ها:

Thermoplastic Polyurethane ، Polymer synthesis ، Polymer degradation ، PolymerRecycling