A simple and practical chemical cross-linking method has been demonstrated to make 6FDA-2,6-DAT asymmetric hollow fibers more resistant to plasticization by immersing them into a p-xylenediamine or m-xylenediamine/methanol solution for a short period of time at ambient temperature. FTIR spectra ...
摘要: We report that 6FDA-2,6-DAT polyimide can be used to fabricate hollow fiber membranes with excellent performances for CO关键词: 6FDA-2,6-DAT polyimide Hollow fiber formation Mixed gas permeation CO<INF>2</INF>/CH<INF>4</INF> separation DOI: 10.1016/S0376-7388(02)00359-9 ...
We have studied the CO 2-induced plasticization phenomenon of asymmetric poly(2,6-toluene-2,2-bis(3,4-dicarboxyphenyl) hexafluoropropane diimide) (6FDA-2,6 DAT) hollow fiber membranes for CO 2/CH 4 applications. Several processing and thermal approaches have been investigated to study their ef...
6 DAT hollow fiber membranes with higher performance for CO2/CH4 separation, the effects of dope rheology on the membrane morphology and gas separation performance of hollow fiber membranes were investigated for two different dope solutions 6FDA-2,6 DAT/NMP and 6FDA-2,6 DAT/NMP/ethanol (EtOH)....
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W. (2003). "Development of Asymmetric 6FDA-2, 6 DAT Hollow Fiber Membranes For CO2/CH4 Separation Part 2. Suppression of Plasticization. "J. Memb. Sci., 214; 57-69.T.S. Chung, J.Z. Ren, R. Wang, D.F. Li, Y. Liu, K.P. Pramoda, C. Cao, W.W. Loh, Devel- opment of ...
We have studied the CO 2-induced plasticization phenomenon of asymmetric poly(2,6-toluene-2,2-bis(3,4-dicarboxyphenyl) hexafluoropropane diimide) (6FDA-2,6 DAT) hollow fiber membranes for CO 2/CH 4 applications. Several processing and thermal approaches have been investigated to study their ef...
Development of asymmetric 6FDA-2,6DAT hollow fiber membranes for CO2/CH4 separation: Part 2. Suppression of plasticization We have studied the CO 2-induced plasticization phenomenon of asymmetric poly(2,6-toluene-2,2-bis(3,4-dicarboxyphenyl) hexafluoropropane diimide) (6FDA-2,6... TS Chung,...
Wang, K. Pramoda, Chemical cross-linking modification of 6FDA-2, 6- DAT hollow fiber membranes for natural gas separation, Journal of membrane science, 216 (2003) 257- 268.Chun Cao,Tai-Shung Chung,Ye Liu,Rong Wang,K.P Pramoda.  Chemical cross-linking modification of 6FDA-2,6-DAT ...
Liu, "Formation of high- performance 6FDA-2,6- DAT asymmetric composite hollow fiber membranes for CO2/CH4 separation," J Membr Sci, vol. 209, pp. 309-319, 2002.Formation of high-performance 6FDA-2,6-DAT asymmetric composite hollow fiber membranes for CO 2 /CH 4 separation[J] . Chun ...