Enhanced CO2 separation performance of polymer composite membranes through the synergistic effect of 1,3,5-benzenetricarboxylic acid
作者： Yeji Choi , Young Rae Kim , Yong Soo Kang , Sang Wook Kang
DOI: 10.1016/J.CEJ.2015.05.027
关键词: Chemical engineering 、 Chemistry 、 Barrier effect 、 Selectivity 、 Membrane 、 Benzene 、 Permeance 、 Polymer 、 Polymer composites 、 Solubility 、 Polymer chemistry
摘要: Abstract To achieve enhanced CO2/N2 separation performance, 1,3,5-benzenetricarboxylic acid (H3BTC) was utilized in polymer composite membranes. Since H3BTC has three carboxylic acids on the benzene ring, performance expected to be by synergistic effect of (1) increased solubility CO2 dipole–dipole interactions between and carboxyl groups (2) barrier transport N2. Actually, when incorporated into poly(vinylpyrrolidone) (PVP), selectivity 8.5 with a gas permeance 1.2 GPU, while neat PVP did not show performance. The chemical physical behaviors were further investigated FT-IR TGA analyses.
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