10.1007/s40097-018-0274-5

Synthesis and characterization of brominated poly(2,6-diphenyl-p-phenylene oxide)/SiO2 nanocomposite membrane for CO2/N2 separation

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  • Hojjat Ghanbarian1,
  • Behrooz Mirza*2,
  1. Department of Science, South Tehran Branch, Islamic Azad University, Tehran, IR
  2. Department of Chemistry, Karaj Branch, Islamic Azad University, Karaj, IR
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Published in Issue 19-08-2018

How to Cite

Ghanbarian, H., & Mirza, B. (2018). Synthesis and characterization of brominated poly(2,6-diphenyl-p-phenylene oxide)/SiO2 nanocomposite membrane for CO2/N2 separation. Journal of Nanostructure in Chemistry, 8(4 (December 2018). https://doi.org/10.1007/s40097-018-0274-5
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Abstract

Abstract Synthesized poly(2,6-diphenyl- p -phenylene oxide) (PPPO dp ) and brominated poly(2,6-diphenyl- p -phenylene oxide) (BPPPO dp ) are identified as new membranes for CO 2 /N 2 separation and characterized by SEM, FTIR, and 1 HNMR. BPPPO dp is known as a flexible membrane with higher permselectivity ( αCO2/N2\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\alpha_{{{\text{CO}}_{ 2} / {\text{N}}_{ 2} }}$$\end{document}  = 30.53) than PPPO dp membranes. BPPPO and SiO 2 nanocomposite membranes display improved CO 2 permeability and CO 2 /N 2 selectivity compared to the pure PPPO dp , and BPPPO dp membranes. The CO 2 /N 2 separation mechanism in the membranes is related to the amount of gas dissolution than the amount of gas diffusion. Graphical abstract

Keywords

  • Poly(2,6-diphenyl-p-phenylene oxide) membrane,
  • Brominated poly(2,6-diphenyl-p-phenylene oxide) membrane,
  • Brominated poly(2,6-diphenyl-p-phenylene oxide)/SiO2 nanocomposite membrane,
  • Gas separation
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