Study on Preparation Technology of PEU/PES Blend Membranes

Polyether-polyurethane (PEU) and polyethersulfone (PES) were blended for preparing PEU/PES blend membranes by using L-S phase-inversion method in the presence of polyethylene glycol as a additive. By determing and comparing structures and properties of different blend membranes, the results showed that polymer concentration, blend composition, the kind and the concentration of addictive were the main influence factors to performances of PEU/PES blend membrane.