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Gas Permeation Properties of $CO_2$ Through Poly(ethylene Glycol) Diacrylate/Poly(Propylene Glycol) Diacrylate Membrane  

Rhim Ji Won (한남대학교 공과대학 화학공학과)
Nam Sang Yong (경상대학교 공과대학 고분자공학과, 공학연구원)
Lee Sun Yong (한양대학교 화학공학과)
Yun Tae Il (한남대학교 공과대학 화학공학과)
Publication Information
Membrane Journal / v.14, no.3, 2004 , pp. 250-257 More about this Journal
Abstract
PEG(poly(ethylene glycol)) acrylate/PPG(poly(propylene glycol)) acrylate (PEG/PPG) was prepared using UV induced photopolymerization method to investigate gas permeation properties of the membrane. The effect of PPG content on the solubility, diffusivity, and permeability of $CO_2$, $O_2$, and $N_2$ in PEG/PPG membrane is reported at $25^{\circ}C$ and $35^{\circ}C$. PEG/PPG (9:1) membrane exhibits $CO_2$ permeability coefficient of 28.9 barrer and $CO_2$/$N_2$ pure gas selectivity of 57.9 at $25^{\circ}C$. Permeability coefficient of increased with increasing with PPG content in the membrane. PEG/PPG (5:5) membrane shows $CO_2$ permeability coefficient of 78.9 barrer and $CO_2$/$N_2$ pure gas selectivity of 33.2 at $25^{\circ}C$.
Keywords
poly(ethyleneglycol)diacrylate; poly(propylene glycol)diacrylate; gas permeation; Photo polymerization;
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