화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.44, 67-72, December, 2016
DOI10.1016/j.jiec.2016.08.012  Export Citation
Enhancement of the gas separation properties of polyurethane membrane by epoxy nanoparticles
Ali Pournaghshband Isfahani, Morteza Sadeghi, Amir H. Saeedi Dehaghani1, and M. Ali Aravand2
  • Department of Chemical Engineering, Isfahan University of Technology, 83111-84156 Isfahan, Iran
  • 1Petroleum Engineering Group, Department of Chemical Engineering, Tarbiat Modares University, P.O. Box: 14155-4838, Tehran, Iran
  • 2School of Mechanical and Aerospace Engineering, Queen’s University Belfast, Belfast BT9 5AH, UK
In this study, we report highly selective CO2 polyurethane incorporated with cured epoxy nanoparticles. PU-epoxy composite membranes were prepared via solution casting method. The obtained SEM micrographs confirmed the nano-scale distribution of epoxy particles in the polymer matrix. DSC and FTIR spectra showed different phase separation for the PU composites compared to the pure PU. The effect of epoxy nanoparticles on the gas permeability of CO2, CH4, O2 and N2 was studied at 25 °C and 10 bar. The selectivity of CO2/N2 increased from 25 for the pure PU membrane to 55.5 for the PU-EP10, while the CO2 permeability was unchanged.
Keywords:Polyurethane;Membrane;Gas permeation;Epoxy;Nanocomposite
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