两步法制备一种均苯型聚酰亚胺耐溶剂纳滤膜,重点研究热亚胺化进程对膜性能的影响.选用热亚胺化程序为200℃保持2.5h,250℃保持2 h,300℃保持2h.测试结果表明耐溶剂纳滤膜在大部分测试溶剂中有较好的稳定性,膜的几种纯溶剂通量均保持较高水平的同时对结晶紫和依来络蓝黑R水溶液的截留率分别达到99.8％和97.9％.
参考文献
| [1] | Vandezande P;Gevers LEM;Vankelecom IFJ .Solvent resistant nanofiltration: separating on a molecular level[J].Chemical Society Reviews,2008(2):365-405. |
| [2] | Boussu K;Vandecasteele C;Van der Bruggen B .Study of the characteristics and the performance of self-made nanoporous polyethersulfone membranes[J].Polymer: The International Journal for the Science and Technology of Polymers,2006(10):3464-3476. |
| [3] | Wang JW;Yue ZR;Ince JS;Economy J .Preparation of nanofiltration membranes from polyacrylonitrile ultrafiltration membranes[J].Journal of Membrane Science,2006(1/2):333-341. |
| [4] | In-Chul Kim;Kew-Ho Lee;Tae-Moon Tak .Preparation and characterization of integrally skinned uncharged polyetherimide asymmetric nanofiltration membrane[J].Journal of Membrane Science,2001(2):235-247. |
| [5] | Dias CR.;de Pinho MN.;Rosa MJ. .Structure of water in asymmetric cellulose ester membranes - an ATR-FTIR study[J].Journal of Membrane Science,1998(2):259-267. |
| [6] | Vandezande P;Li X;Gevers L E M et al.High throughput study of phase inversion parameters for polyimide-based SRNF membranes[J].Journal of Membrane Science,2009,330:307-318. |
| [7] | Ismail AF.;Yean LP. .Review on the development of defect-free and ultrathin-skinned asymmetric membranes for gas separation through manipulation of phase inversion and rheological factors [Review][J].Journal of Applied Polymer Science,2003(2):442-451. |
| [8] | Pinnau I;Koros W J .A qualitative skin layer formation mechanism for membranes made by dry/wet phase inversion[J].Journal of Polymer Science Part B:Polymer Physics,1993,31:419. |
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