聚乙烯醇接枝聚乙烯氯化铵(PV-g-PVAC)与聚乙烯醇接枝聚丙烯酸钠(PVA-g-SPA)自组装PVA基聚离子复合物(PPIC).利用红外光谱(IR)对PPIC的结构进行表征.PPIC膜的SEM照片表面呈现有序孔状结构,有利于水的吸收.采用差示扫描量热法(DSC)测定了PPIC的耐热性.PPIC水溶液pH=5(反离子等摩尔复合)时,膜耐水性最好;PPIC膜的耐水性随乙醇浓度的增加或膜退火温度升高而提高.测定了PPIC复合膜对93%(体积分数)高浓度乙醇废水的渗透汽化性能,分离因子980,渗透通量1485g·(m2h)-1.
参考文献
| [1] | Wang LY;Li JD;Lin YZ;Chen CX .Separation of dimethyl carbonate/methanol mixtures by pervaporation with poly(acrylic acid)/poly(vinyl alcohol) blend membranes[J].Journal of Membrane Science,2007(1/2):238-246. |
| [2] | Ali Toutianoush;Bernd Tieke .Pervaporation separation of alcohol/water mixtures using self-assembled polyelectrolyte multilayer membranes of high charge density[J].Materials science & engineering, C. Biomimetic and supramolecular systems,2002(2):459-463. |
| [3] | 孟平蕊,康智慧,李良波,宋庆群,董晨光.QPVA/SMPVA自组装聚离子复合物膜对乙醇中水的渗透汽化性能研究[J].高分子学报,2008(12):1154-1159. |
| [4] | 孟平蕊,李良波,秦怀侠,荣凤玲,刘雪春,陈翠仙,李继定.硫酸酯化聚阴离子PVA的合成及表征[J].膜科学与技术,2007(01):89-91,93. |
| [5] | 孟平蕊,宋庆群,李良波,于立娟,刘圣环.Ce4+引发PVA接枝聚乙烯铵的合成[J].合成树脂及塑料,2009(03):22-25. |
| [6] | 李良波,康智慧,孟平蕊,郭连波,宋庆群.新型高密度电荷聚阴离子PVA-g-PAC膜材料的合成[J].现代化工,2008(04):46-48. |
| [7] | Peng FB;Lu LY;Sun HL;Jiang ZY .Analysis of annealing effect on pervaporation properties of PVA-GPTMS hybrid membranes through PALS[J].Journal of Membrane Science,2006(1/2):600-608. |
| [8] | RHIM JI-WON;KIM YOUN-KOOK .Pervaporation Separation of MTBE-Methanol Mixtures Using Cross-linked PVA Membranes[J].Journal of Applied Polymer Science,2000(14):1699-1707. |
| [9] | Jian Du;Jing Dai;Jun-Long Liu;Theresa Dankovich .Novel pH-sensitive polyelectrolyte carboxymethyl Konjac glucomannan-chitosan beads as drug carriers[J].Reactive & functional polymers,2006(10):1055-1061. |
| [10] | Lutz krasemann;Ali Toutianoush;Bernd Tieke .Self-assembled polyelectrolyte multilayer membranes with highly improved pervaporation separation of ethanol/water mixtures[J].Journal of Membrane Science,2001(2):221-228. |
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