Ranjbarfar, Behrooz, Taghvaei Ganjali, Saeed, Alavi Nikje, Mir Mohammad, Moradi, Shahram (2020). Preparation and characterization of water-based biodegradable polyurethanes dispersion and investigating the effects of polyethylene glycol on the properties of biodegradability. *Journal of applied research in chemisry*, 14(3), 52-63.