Preparation and characterization of CMCS/PVA blend membranes and its sorption and pervaporation performance (I)

被引：0
|
作者：
Shen, Jiang-Nan [1 ]
Ruan, Hui-Min [1 ]
Gao, Cong-Jie [2 ]
机构：
[1] College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou 310027, China
[2] National Engineering Research Center for Liquid Separation Membrane, Development Center of Water Treatment Technology, Hangzhou 310012, China
来源：
Journal of Applied Polymer Science | 2009年 / 114卷 / 06期
关键词：
Novel pervaporation (PV) membranes for ethanol dehydration were prepared by blend poly(vinyl alcohol) (PVA) and carboxymethyl chitosan (CMCS); followed by the crosslinking reaction with glutaraldehyde; the structure and miscibility of the blend membranes were characterized by Fourier transform infrared; X-ray diffraction; and differential scanning calorimetry; the results indicated that the blends were miscible. The effect of feed concentration; operation temperature; crosslinking agent content; etc. on sorption performance and PV performance of the blend membrane is investigated. The membrane of CMCS/PVA blend ratio of 8 : 2 exhibited a high separation factor of 2959 with a reasonably high water flux value of 0.14 kg m-2 h-1 at the azeotropic feed composition (95 wt % of ethanol) at a temperature of 45C. © 2009 Wiley Periodicals; Inc. J Appl Polym Sci 114: 3369-3378; 2009;
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页码：3369 / 3378
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