%0 Journal Article %T Gas separation properties of poly(ethylene glycol)/poly(tetramethylene glycol) based polyurethane membranes %A Mohammad Mehdi Talakesh %A Morteza Sadeghi %A Pourafshari Chenar, Mahdi %A Afsaneh Khosravi %J Journal of Membrane Science %@ 0376-7388 %D 2012