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Permeation Characteristics of Water Vapor Through PVA/PSSA_MA/THS-PSA Membranes  

Rhim, Ji-Won (Department of Chemical Engineering, Hannam University)
Cho, Hyun-Il (AIRRANE Co., Ltd.)
Kim, Dae-Hoon (AIRRANE Co., Ltd.)
Ha, Seong-Yong (AIRRANE Co., Ltd.)
Nam, Sang-Yong (Department of Polymer Science and Engineering, Engineering Research Institute, i-Cube Center, Gyeongsang National University)
Publication Information
Membrane Journal / v.17, no.2, 2007 , pp. 140-145 More about this Journal
Abstract
In this study, 3-(trihydroxysilyl)-1-propanesulfonic acid (THS-PSA) was added to poly(vinyl alcohol) (PVA) membranes crosslinked with poly(styrene sulfonic acid-co-maleic acid) (PSSA_MA) to improve the separation characteristics toward water vapors in the air. The prepared membranes varying both PSSA_MA and THS-PSA amounts were also synthesized at different cross linking temperatures. Then, in order to investigate the separation characteristics of the resulting membranes, the dynamic vapor sorption (DVS) and vapor permeation experiments were carried out. The increase of cross-linking temperature showed longer time to reach the equilibrium sorption state from the dynamic vapor sorption experiments. PVA/PSSA_MA (3%)/THA-PSA(7%) prepared at $120^{\circ}C$ gave the highest permeability of 480 barrer at $35^{\circ}C$.
Keywords
poly(vinyl alcohol); poly(styrene sulfonic acid-eo-maleic acid); 3-(trihydroxysilyl)-1-propanesulfonic acid; dynamic vapor sorption; vapor permeation;
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Times Cited By KSCI : 2  (Citation Analysis)
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